<div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:12pt" ><div dir="ltr" >Yes</div>
<div dir="ltr" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt" ><div dir="ltr" ><br><font size="2" face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif" ><span style="font-size:1.143em;" >Fred<br>_______________________________________________________<br>Fred Stock | Spectrum Scale Development Advocacy | 720-430-8821<br>stockf@us.ibm.com</span></font></div></div></div></div>
<div dir="ltr" > </div>
<div dir="ltr" > </div>
<blockquote data-history-content-modified="1" dir="ltr" style="border-left:solid #aaaaaa 2px; margin-left:5px; padding-left:5px; direction:ltr; margin-right:0px" >----- Original message -----<br>From: "Dorigo Alvise (PSI)" <alvise.dorigo@psi.ch><br>Sent by: gpfsug-discuss-bounces@spectrumscale.org<br>To: "gpfsug main discussion list" <gpfsug-discuss@spectrumscale.org><br>Cc:<br>Subject: [EXTERNAL] [gpfsug-discuss] R: Question on changing mode on many files<br>Date: Tue, Dec 7, 2021 9:10 AM<br> <br><!--Notes ACF
<meta http-equiv="Content-Type" content="text/html; charset=utf8" >--> <!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit" >
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
<div><p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" >I have 5.0.4 for the moment (planned to be updated next year) and what I see is:<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" ><o:p> </o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" >[root@sf-dss-1 tmp]# locate mmfind<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" >/usr/lpp/mmfs/samples/ilm/mmfind<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" >/usr/lpp/mmfs/samples/ilm/mmfind.README<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" >/usr/lpp/mmfs/samples/ilm/mmfindUtil_processOutputFile.c<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" >/usr/lpp/mmfs/samples/ilm/mmfindUtil_processOutputFile.sampleMakefile<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" ><o:p> </o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" >Is that what you are talking about ?<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" ><o:p> </o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" >Thanks,<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" ><o:p> </o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" > Alvise<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" lang="EN-US" ><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm" ><p style="margin: 0px;" ><b>Da:</b> gpfsug-discuss-bounces@spectrumscale.org <gpfsug-discuss-bounces@spectrumscale.org> <b>Per conto di </b>Frederick Stock<br><b>Inviato:</b> martedì 7 dicembre 2021 15:02<br><b>A:</b> gpfsug-discuss@spectrumscale.org<br><b>Cc:</b> gpfsug-discuss@spectrumscale.org<br><b>Oggetto:</b> Re: [gpfsug-discuss] Question on changing mode on many files<o:p></o:p></p></div>
<p style="margin: 0px;" ><o:p> </o:p></p>
<div><div><p style="margin: 0px;" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" >If you are running on a more recent version of Scale you might want to look at the mmfind command. It provides a find-like wrapper around the execution of policy rules.<o:p></o:p></span></p></div>
<div><div><div><div><p style="margin: 0px;" ><br><span style="font-size:11.5pt;font-family:"Verdana",sans-serif" >Fred<br>_______________________________________________________<br>Fred Stock | Spectrum Scale Development Advocacy | 720-430-8821<br><a href="mailto:stockf@us.ibm.com" target="_blank">stockf@us.ibm.com</a></span><span style="font-size:10.5pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p></div></div></div></div>
<div><p style="margin: 0px;" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" > <o:p></o:p></span></p></div>
<div><p style="margin: 0px;" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" > <o:p></o:p></span></p></div>
<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 style="margin: 0px;" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" >----- Original message -----<br>From: "Dorigo Alvise (PSI)" <<a href="mailto:alvise.dorigo@psi.ch" target="_blank">alvise.dorigo@psi.ch</a>><br>Sent by: <a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" target="_blank">gpfsug-discuss-bounces@spectrumscale.org</a><br>To: "'gpfsug main discussion list'" <<a href="mailto:gpfsug-discuss@spectrumscale.org" target="_blank">gpfsug-discuss@spectrumscale.org</a>><br>Cc:<br>Subject: [EXTERNAL] [gpfsug-discuss] Question on changing mode on many files<br>Date: Tue, Dec 7, 2021 8:53 AM<br> <o:p></o:p></span></p>
<div><p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" >Dear users/developers/support,<o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" >I’d like to ask if there is a fast way to manipulate the permission mask of many files (millions).</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" > </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" >I tried on 900k files and a recursive chmod (chmod 0### -R path) takes about 1000s, with about 50% usage of mmfsd daemon.</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" >I tried with the perl’s internal function chmod that can operate on an array of files, and it takes about 1/3 of the previous method. Which is already a good result.</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" > </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" >I’ve seen the possibility to run a policy to execute commands, but I would avoid to execute external commands through mmxargs, 1M of times; would you ?</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" > </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" >Does anybody have any suggestion to do this operation with minimum disruption on the system ?</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" > </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" >Thank you,</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" > </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p>
<p style="margin:0cm" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" lang="EN-US" > Alvise</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p></div>
<div><p style="margin: 0px;" ><span style="font-size:10.0pt;font-family:"Courier New"" >_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss" target="_blank">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a> </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif" ><o:p></o:p></span></p></div></blockquote>
<div><p style="margin: 0px;" ><span style="font-size:12.0pt;font-family:"Arial",sans-serif" > <o:p></o:p></span></p></div></div>
<p style="margin: 0px;" ><o:p> </o:p></p></div>
<div><font size="2" face="Default Monospace,Courier New,Courier,monospace" >_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss" target="_blank">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a> </font></div></blockquote>
<div dir="ltr" > </div></div><BR>
<BR>