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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thanks Daniel – sorry to be dense, but does this indicate working as intended, or a bug? I assume the former. So, the question still
remains how has this suddenly broken, when:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New",serif;color:#1F497D;mso-fareast-language:EN-US">[root@server ict]# mmgetacl -k nfs4 .snapshots/<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New",serif;color:#1F497D;mso-fareast-language:EN-US">.snapshots/: Operation not permitted<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">…appears to be the correct output and is consistent with someone else’s GPFS cluster where it is working.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Cheers<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Richard<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> gpfsug-discuss-bounces@spectrumscale.org [mailto:gpfsug-discuss-bounces@spectrumscale.org]
<b>On Behalf Of </b>Daniel Kidger<br>
<b>Sent:</b> 06 July 2016 12:51<br>
<b>To:</b> gpfsug-discuss@spectrumscale.org<br>
<b>Cc:</b> gpfsug-discuss@spectrumscale.org<br>
<b>Subject:</b> Re: [gpfsug-discuss] Snapshots / Windows previous versions<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Looking at recent patches to SAMBA I see from December 2015:<br>
<a href="https://download.samba.org/pub/samba/patches/security/samba-4.1.21-security-2015-12-16.patch">https://download.samba.org/pub/samba/patches/security/samba-4.1.21-security-2015-12-16.patch</a>,<br>
(link found at <a href="https://bugzilla.samba.org/show_bug.cgi?id=11658">https://bugzilla.samba.org/show_bug.cgi?id=11658</a> which includes the comment:
<o:p></o:p></span></p>
<pre>Failing that, smbd_check_access_rights should check Unix perms at that point.<o:p></o:p></pre>
<pre>)<o:p></o:p></pre>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Courier New",serif">diff --git a/source3/modules/vfs_shadow_copy2.c b/source3/modules/vfs_shadow_copy2.c<br>
index fca05cf..07e2f8a 100644<br>
--- a/source3/modules/vfs_shadow_copy2.c<br>
+++ b/source3/modules/vfs_shadow_copy2.c<br>
@@ -30,6 +30,7 @@<br>
*/<br>
<br>
#include "includes.h"<br>
+#include "smbd/smbd.h"<br>
#include "system/filesys.h"<br>
#include "include/ntioctl.h"<br>
#include <ccan/hash/hash.h><br>
@@ -1138,6 +1139,42 @@ static char *have_snapdir(struct vfs_handle_struct *handle,<br>
return NULL;<br>
}<br>
<br>
+static bool check_access_snapdir(struct vfs_handle_struct *handle,<br>
+ const char *path)<br>
+{<br>
+ struct smb_filename smb_fname;<br>
+ int ret;<br>
+ NTSTATUS status;<br>
+<br>
+ ZERO_STRUCT(smb_fname);<br>
+ smb_fname.base_name = talloc_asprintf(talloc_tos(),<br>
+ "%s",<br>
+ path);<br>
+ if (smb_fname.base_name == NULL) {<br>
+ return false;<br>
+ }<br>
+<br>
+ ret = SMB_VFS_NEXT_STAT(handle, &smb_fname);<br>
+ if (ret != 0 || !S_ISDIR(smb_fname.st.st_ex_mode)) {<br>
+ TALLOC_FREE(smb_fname.base_name);<br>
+ return false;<br>
+ }<br>
+<br>
+ status = smbd_check_access_rights(handle->conn,<br>
+ &smb_fname,<br>
+ false,<br>
+ SEC_DIR_LIST);<br>
+ if (!NT_STATUS_IS_OK(status)) {<br>
+ <span style="background:yellow"> <strong><span style="font-family:"Courier New",serif"> DEBUG(0,("user does not have list permission "</span></strong></span><b><br>
<strong><span style="font-family:"Courier New",serif;background:yellow">+ "on snapdir %s\n",</span></strong><br>
<strong><span style="font-family:"Courier New",serif;background:yellow">+ smb_fname.base_name));</span></strong></b><br>
+ TALLOC_FREE(smb_fname.base_name);<br>
+ return false;<br>
+ }<br>
+ TALLOC_FREE(smb_fname.base_name);<br>
+ return true;<br>
+}<br>
+</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.5pt;font-family:"Verdana",sans-serif">Daniel</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><strong><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Dr Daniel Kidger</span></strong><br>
<span style="font-size:7.5pt;font-family:"Arial",sans-serif">IBM Technical Sales Specialist<br>
Software Defined Solution Sales<br>
<br>
+</span><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#5F5F5F">44-07818 522 266
</span><br>
<span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#5F5F5F"><a href="mailto:daniel.kidger@uk.ibm.com">daniel.kidger@uk.ibm.com</a></span><o:p></o:p></p>
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<blockquote style="border:none;border-left:solid #AAAAAA 1.5pt;padding:0cm 0cm 0cm 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt">
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">----- Original message -----<br>
From: "Sobey, Richard A" <<a href="mailto:r.sobey@imperial.ac.uk">r.sobey@imperial.ac.uk</a>><br>
Sent by: <a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a><br>
To: gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>><br>
Cc:<br>
Subject: Re: [gpfsug-discuss] Snapshots / Windows previous versions<br>
Date: Wed, Jul 6, 2016 10:55 AM<br>
<o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Sure. It might be easier if I just post the entire smb.conf:</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">[global]</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> netbios name = store</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> workgroup = IC</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> security = ads</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> realm = IC.AC.UK</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> kerberos method = secrets and keytab</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> vfs objects = shadow_copy2 syncops gpfs fileid</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> ea support = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> store dos attributes = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> map readonly = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> map archive = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> map system = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> map hidden = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> unix extensions = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> allocation roundup size = 1048576</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> disable netbios = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> smb ports = 445</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"># server signing = mandatory</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> template shell = /bin/bash</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> interfaces = bond2 lo bond0</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> allow trusted domains = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> printing = bsd</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> printcap name = /dev/null</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> load printers = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> disable spoolss = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> idmap config IC : default = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> idmap config IC : cache time = 180</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> idmap config IC : backend = ad</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> idmap config IC : schema_mode = rfc2307</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> idmap config IC : range = 500 - 2000000</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> idmap config * : range = 3000000 - 3500000</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> idmap config * : backend = tdb2</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind refresh tickets = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind nss info = rfc2307</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind use default domain = true</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind offline logon = true</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind separator = /</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind enum users = true</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind enum groups = true</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind nested groups = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind expand groups = 2</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> winbind max clients = 10000</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> clustering = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> ctdbd socket = /tmp/ctdb.socket</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> gpfs:sharemodes = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> gpfs:winattr = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> gpfs:leases = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> gpfs:dfreequota = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"># nfs4:mode = special</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"># nfs4:chown = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> nfs4:chown = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> nfs4:mode = simple</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">nfs4:acedup = merge</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> fileid:algorithm = fsname</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> force unknown acl user = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> shadow:snapdir = .snapshots</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> shadow:fixinodes = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> shadow:snapdirseverywhere = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> shadow:sort = desc</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> syncops:onclose = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> syncops:onmeta = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> kernel oplocks = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> level2 oplocks = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> oplocks = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> notify:inotify = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> wide links = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> async smb echo handler = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> smbd:backgroundqueue = False</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> use sendfile = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> dmapi support = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> aio write size = 1</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> aio read size = 1</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> enable core files = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">#debug logging</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> log level = 2</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> log file = /var/log/samba.%m</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> max log size = 1024</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> debug timestamp = yes</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">[IC]</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> comment = Unified Group Space Area</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> path = /gpfs/prd/groupspace/ic</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> public = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> read only = no</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> valid users = "@domain users"</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">
<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a> [<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">mailto:gpfsug-discuss-bounces@spectrumscale.org</a>]
<b>On Behalf Of </b>Barry Evans<br>
<b>Sent:</b> 06 July 2016 10:47<br>
<b>To:</b> <a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a><br>
<b>Subject:</b> Re: [gpfsug-discuss] Snapshots / Windows previous versions</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Can you cut/paste your full VFS options for gpfs and shadow copy from smb.conf?<o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">On 06/07/2016 10:37, Sobey, Richard A wrote:<o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Quick followup on this. Doing some more samba debugging (i.e. increasing log levels!) and come up with the following:</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif">[2016/07/06 10:07:35.602080, 3] ../source3/smbd/vfs.c:1322(check_reduced_name)</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif"> check_reduced_name: admin/ict/serviceoperations/slough_project/Slough_Layout reduced to /gpfs/prd/groupspace/ic/admin/ict/serviceoperations/slough_project/Slough_Layout</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif">[2016/07/06 10:07:35.611881, 3] ../source3/smbd/dosmode.c:196(unix_mode)</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif"> unix_mode(admin/ict/serviceoperations/slough_project/Slough_Layout) returning 0644</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif">[2016/07/06 10:07:35.613374, 0] ../source3/modules/vfs_shadow_copy2.c:1211(check_access_snapdir)</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><b><span style="font-size:10.5pt;font-family:"Courier New",serif"> user does not have list permission on snapdir /gpfs/prd/groupspace/ic/admin/ict/.snapshots</span></b><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif">[2016/07/06 10:07:35.613416, 0] ../source3/modules/vfs_shadow_copy2.c:1380(shadow_copy2_get_shadow_copy_data)</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif"> access denied on listing snapdir /gpfs/prd/groupspace/ic/admin/ict/.snapshots</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif">[2016/07/06 10:07:35.613434, 0] ../source3/modules/vfs_default.c:1145(vfswrap_fsctl)</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif"> FSCTL_GET_SHADOW_COPY_DATA: connectpath /gpfs/prd/groupspace/ic, failed - NT_STATUS_ACCESS_DENIED.</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif">[2016/07/06 10:07:47.648557, 3] ../source3/smbd/service.c:1138(close_cnum)</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Courier New",serif"> 155.198.55.14 (ipv4:155.198.55.14:51298) closed connection to service IPC$</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Any takers? I cannot run mmgetacl on the .snapshots folder at all, as root. A snapshot I just created to make sure I had full control on the folder:
(39367 is me, I didn’t run this command on a CTDB node so the UID mapping isn’t working).</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">[root@icgpfs01 .snapshots]# mmgetacl -k nfs4 @GMT-2016.07.06-08.00.06</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">#NFSv4 ACL</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">#owner:root</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">#group:root</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">group:74036:r-x-:allow:FileInherit:DirInherit:Inherited</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">(X)READ/LIST (-)WRITE/CREATE (-)MKDIR (X)SYNCHRONIZE (X)READ_ACL (X)READ_ATTR (X)READ_NAMED</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">(-)DELETE (-)DELETE_CHILD (-)CHOWN (X)EXEC/SEARCH (-)WRITE_ACL (-)WRITE_ATTR (-)WRITE_NAMED</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">user:39367:rwxc:allow:FileInherit:DirInherit:Inherited</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">(X)READ/LIST (X)WRITE/CREATE (X)MKDIR (X)SYNCHRONIZE (X)READ_ACL (X)READ_ATTR (X)READ_NAMED</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">(X)DELETE (X)DELETE_CHILD (X)CHOWN (X)EXEC/SEARCH (X)WRITE_ACL (X)WRITE_ATTR (X)WRITE_NAMED</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">
<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" target="_blank">gpfsug-discuss-bounces@spectrumscale.org</a> [<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" target="_blank">mailto:gpfsug-discuss-bounces@spectrumscale.org</a>]
<b>On Behalf Of </b>Sobey, Richard A<br>
<b>Sent:</b> 20 June 2016 16:03<br>
<b>To:</b> gpfsug main discussion list <a href="mailto:gpfsug-discuss@spectrumscale.org" target="_blank">
<gpfsug-discuss@spectrumscale.org></a><br>
<b>Subject:</b> Re: [gpfsug-discuss] Snapshots / Windows previous versions</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thanks Kevin. We are upgrading to GPFS 4.2 and CES in a few weeks but our customers have come to like previous versions and indeed it is sort of a selling
point for us.</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Samba is the only thing we’ve changed recently after the badlock debacle so I’m tempted to blame that, but who knows.</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">If (when) I find out I’ll let everyone know.</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Richard</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">
<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" target="_blank">gpfsug-discuss-bounces@spectrumscale.org</a> [<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" target="_blank">mailto:gpfsug-discuss-bounces@spectrumscale.org</a>]
<b>On Behalf Of </b>Buterbaugh, Kevin L<br>
<b>Sent:</b> 20 June 2016 15:56<br>
<b>To:</b> gpfsug main discussion list <a href="mailto:gpfsug-discuss@spectrumscale.org" target="_blank">
<gpfsug-discuss@spectrumscale.org></a><br>
<b>Subject:</b> Re: [gpfsug-discuss] Snapshots / Windows previous versions</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Hi Richard, <o:p>
</o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">I can’t answer your question but I can tell you that we have experienced either the exact same thing you are or something very similar. It occurred for us after upgrading from GPFS 3.5 to 4.1.0.8
and it persists even after upgraded to GPFS 4.2.0.3 and the very latest sernet-samba.<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">And to be clear, when we upgraded from GPFS 3.5 to 4.1 we did *not* upgrade SAMBA versions at that time. Therefore, I believe that something changed in GPFS. That doesn’t mean it’s GPFS’ fault,
of course. SAMBA may have been relying on a bug<ctrl-h><ctrl-h><ctrl-h>undocumented feature in GPFS that IBM fixed for all I know, and I’m obviously speculating here.<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">The problem we see is that the .snapshots directory in each folder can be cd’d to but is empty. The snapshots are all there, however, if you:<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> cd /<mount point of fs>/.snapshots/<data and time snapshot was taken>/rest/of/path/to/folder/in/question<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">This obviously prevents users from being able to do their own recovery of files unless you do something like what you describe, which we are unwilling to do for security reasons. We have a ticket
open with DDN…<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Kevin<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">On Jun 20, 2016, at 8:45 AM, Sobey, Richard A <<a href="mailto:r.sobey@imperial.ac.uk" target="_blank">r.sobey@imperial.ac.uk</a>> wrote:<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hi all</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Can someone clarify if the ability for Windows to view snapshots as Previous Versions is exposed by SAMBA or GPFS? Basically, if suddenly my users cannot restore files from snapshots over a
CIFS share, where should I be looking?</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I don’t know when this problem occurred, but within the last few weeks certainly our users with full control over their data now see no previous versions available, but if we export their fileset
and set “force user = root” all the snapshots are available.</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I think the answer is SAMBA, right? We’re running GPFS 3.5 and sernet-samba 4.2.9.</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Many thanks</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Richard</span><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">—<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Kevin Buterbaugh - Senior System Administrator<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Vanderbilt University - Advanced Computing Center for Research and Education<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><a href="mailto:Kevin.Buterbaugh@vanderbilt.edu" target="_blank">Kevin.Buterbaugh@vanderbilt.edu</a> - (615)875-9633<o:p></o:p></span></p>
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<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<br>
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<p style="margin-bottom:12.0pt"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">--<o:p></o:p></span></p>
<p><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Barry Evans<br>
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