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Hi All,
<div class=""><br class="">
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<div class="">Let me try to answer some questions that have been raised by various list members…</div>
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<div class="">1. I am not using nscd.</div>
<div class="">2. getent group with either a GID or a group name resolves GID’s / names that are being printed as GIDs by mmrepquota</div>
<div class="">3. The GID’s in question are all in a normal range … i.e. some group names that are being printed by mmrepquota have GIDs “close” to others that are being printed as GID’s</div>
<div class="">4. strace’ing mmrepquota doesn’t show anything relating to nscd or anything that jumps out at me</div>
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<div class="">Here’s another point … I am 95% sure that I have a client that was running 4.2.1.1 and mmrepquota displayed the group names … I then upgraded GPFS on it … no other changes … and now it’s mostly GID’s. I’m not 100% sure because output scrolled
out of my terminal buffer.</div>
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<div class="">Thanks to all for the suggestions … please feel free to keep them coming. To any of the GPFS team on this mailing list, at least one other person has reported the same behavior … is this a known bug?</div>
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<div class="">Kevin</div>
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<div>
<blockquote type="cite" class="">
<div class="">On Jan 19, 2017, at 3:22 PM, <a href="mailto:Greg.Lehmann@csiro.au" class="">
Greg.Lehmann@csiro.au</a> wrote:</div>
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<p class="">It's not something to do with the value of the GID, like being less or greater than some number?<br class="">
</p>
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<div id="divRplyFwdMsg" dir="ltr" class=""><font style="font-size:11pt" face="Calibri, sans-serif" class=""><b class="">From:</b>
<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" class="">gpfsug-discuss-bounces@spectrumscale.org</a> <<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" class="">gpfsug-discuss-bounces@spectrumscale.org</a>> on behalf of Olaf Weiser <<a href="mailto:olaf.weiser@de.ibm.com" class="">olaf.weiser@de.ibm.com</a>><br class="">
<b class="">Sent:</b> Friday, 20 January 2017 3:16 AM<br class="">
<b class="">To:</b> gpfsug main discussion list<br class="">
<b class="">Subject:</b> Re: [gpfsug-discuss] mmrepquota and group names in GPFS 4.2.2.x</font>
<div class=""> </div>
</div>
<div class="">
<div class=""><font size="2" face="sans-serif" class="">in my eyes.. that's the hint .. not to wait until all 700 clients 'll have been updated .. before open PMR .. ;-) ...</font><br class="">
<br class="">
<br class="">
<br class="">
<font size="1" color="#5f5f5f" face="sans-serif" class="">From: </font><font size="1" face="sans-serif" class="">Lukas Hejtmanek <<a href="mailto:xhejtman@ics.muni.cz" class="">xhejtman@ics.muni.cz</a>></font><br class="">
<font size="1" color="#5f5f5f" face="sans-serif" class="">To: </font><font size="1" face="sans-serif" class="">gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org" class="">gpfsug-discuss@spectrumscale.org</a>></font><br class="">
<font size="1" color="#5f5f5f" face="sans-serif" class="">Date: </font><font size="1" face="sans-serif" class="">01/19/2017 05:37 PM</font><br class="">
<font size="1" color="#5f5f5f" face="sans-serif" class="">Subject: </font><font size="1" face="sans-serif" class="">Re: [gpfsug-discuss] mmrepquota and group names in GPFS 4.2.2.x</font><br class="">
<font size="1" color="#5f5f5f" face="sans-serif" class="">Sent by: </font><font size="1" face="sans-serif" class=""><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" class="">gpfsug-discuss-bounces@spectrumscale.org</a></font><br class="">
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<br class="">
<br class="">
<br class="">
<tt class=""><font size="2" class="">Just leting know, I see the same problem with 4.2.2.1 version. mmrepquota<br class="">
resolves only some of group names.<br class="">
<br class="">
On Thu, Jan 19, 2017 at 04:25:20PM +0000, Buterbaugh, Kevin L wrote:<br class="">
> Hi Olaf,<br class="">
> <br class="">
> We will continue upgrading clients in a rolling fashion, but with ~700 of them, it’ll be a few weeks. And to me that’s good … I don’t consider figuring out why this is happening a waste of time and therefore having systems on both versions is a good thing.<br class="">
> <br class="">
> While I would prefer not to paste actual group names and GIDs into this public forum, I can assure you that on every 4.2.1.1 system that I have tried this on:<br class="">
> <br class="">
> 1. mmrepquota reports mostly GIDs, only a few group names<br class="">
> 2. /etc/nsswitch.conf says to look at files first<br class="">
> 3. the GID is in /etc/group<br class="">
> 4. length of group name doesn’t matter<br class="">
> <br class="">
> I have a support contract with IBM, so I can open a PMR if necessary. I just thought someone on the list might have an idea as to what is happening or be able to point out the obvious explanation that I’m missing. ;-)<br class="">
> <br class="">
> Thanks…<br class="">
> <br class="">
> Kevin<br class="">
> <br class="">
> On Jan 19, 2017, at 10:05 AM, Olaf Weiser <<a href="mailto:olaf.weiser@de.ibm.com" class="">olaf.weiser@de.ibm.com</a><</font></tt><a href="mailto:olaf.weiser@de.ibm.com" class=""><tt class=""><font size="2" class="">mailto:olaf.weiser@de.ibm.com</font></tt></a><tt class=""><font size="2" class="">>>
wrote:<br class="">
> <br class="">
> unfortunately , I don't own a cluster right now, which has 4.2.2 to double check... SpectrumScale should resolve the GID into a name, if it find the name somewhere...<br class="">
> <br class="">
> but in your case.. I would say.. before we waste to much time in a version-mismatch issue.. finish the rolling migration, especially RHEL .. and then we continue<br class="">
> meanwhile -I'll try to find a way for me here to setup up an 4.2.2. cluster<br class="">
> cheers<br class="">
> <br class="">
> <br class="">
> <br class="">
> From: "Buterbaugh, Kevin L" <<a href="mailto:Kevin.Buterbaugh@Vanderbilt.Edu" class="">Kevin.Buterbaugh@Vanderbilt.Edu</a><</font></tt><a href="mailto:Kevin.Buterbaugh@Vanderbilt.Edu" class=""><tt class=""><font size="2" class="">mailto:Kevin.Buterbaugh@Vanderbilt.Edu</font></tt></a><tt class=""><font size="2" class="">>><br class="">
> To: gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org" class="">gpfsug-discuss@spectrumscale.org</a><</font></tt><a href="mailto:gpfsug-discuss@spectrumscale.org" class=""><tt class=""><font size="2" class="">mailto:gpfsug-discuss@spectrumscale.org</font></tt></a><tt class=""><font size="2" class="">>><br class="">
> Date: 01/19/2017 04:48 PM<br class="">
> Subject: Re: [gpfsug-discuss] mmrepquota and group names in GPFS 4.2.2.x<br class="">
> Sent by: <a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" class="">gpfsug-discuss-bounces@spectrumscale.org</a><</font></tt><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" class=""><tt class=""><font size="2" class="">mailto:gpfsug-discuss-bounces@spectrumscale.org</font></tt></a><tt class=""><font size="2" class="">><br class="">
> ________________________________<br class="">
> <br class="">
> <br class="">
> <br class="">
> Hi Olaf,<br class="">
> <br class="">
> The filesystem manager runs on one of our servers, all of which are upgraded to 4.2.2.x.<br class="">
> <br class="">
> Also, I didn’t mention this yesterday but our /etc/nsswitch.conf has “files” listed first for /etc/group.<br class="">
> <br class="">
> In addition to a mixture of GPFS versions, we also have a mixture of OS versions (RHEL 6/7). AFAIK tell with all of my testing / experimenting the only factor that seems to change the behavior of mmrepquota in regards to GIDs versus group names is the GPFS
version.<br class="">
> <br class="">
> Other ideas, anyone? Is anyone else in a similar situation and can test whether they see similar behavior?<br class="">
> <br class="">
> Thanks...<br class="">
> <br class="">
> Kevin<br class="">
> <br class="">
> On Jan 19, 2017, at 2:45 AM, Olaf Weiser <<a href="mailto:olaf.weiser@de.ibm.com" class="">olaf.weiser@de.ibm.com</a><</font></tt><a href="mailto:olaf.weiser@de.ibm.com" class=""><tt class=""><font size="2" class="">mailto:olaf.weiser@de.ibm.com</font></tt></a><tt class=""><font size="2" class="">>>
wrote:<br class="">
> <br class="">
> have you checked, where th fsmgr runs as you have nodes with different code levels<br class="">
> <br class="">
> mmlsmgr<br class="">
> <br class="">
> <br class="">
> <br class="">
> <br class="">
> From: "Buterbaugh, Kevin L" <<a href="mailto:Kevin.Buterbaugh@Vanderbilt.Edu" class="">Kevin.Buterbaugh@Vanderbilt.Edu</a><</font></tt><a href="mailto:Kevin.Buterbaugh@Vanderbilt.Edu" class=""><tt class=""><font size="2" class="">mailto:Kevin.Buterbaugh@Vanderbilt.Edu</font></tt></a><tt class=""><font size="2" class="">>><br class="">
> To: gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org" class="">gpfsug-discuss@spectrumscale.org</a><</font></tt><a href="mailto:gpfsug-discuss@spectrumscale.org" class=""><tt class=""><font size="2" class="">mailto:gpfsug-discuss@spectrumscale.org</font></tt></a><tt class=""><font size="2" class="">>><br class="">
> Date: 01/18/2017 04:57 PM<br class="">
> Subject: [gpfsug-discuss] mmrepquota and group names in GPFS 4.2.2.x<br class="">
> Sent by: <a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" class="">gpfsug-discuss-bounces@spectrumscale.org</a><</font></tt><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" class=""><tt class=""><font size="2" class="">mailto:gpfsug-discuss-bounces@spectrumscale.org</font></tt></a><tt class=""><font size="2" class="">><br class="">
> ________________________________<br class="">
> <br class="">
> <br class="">
> <br class="">
> Hi All,<br class="">
> <br class="">
> We recently upgraded our cluster (well, the servers are all upgraded; the clients are still in progress) from GPFS 4.2.1.1 to GPFS 4.2.2.1 and there appears to be a change in how mmrepquota handles group names in its’ output. I’m trying to get a handle on
it, because it is messing with some of my scripts and - more importantly - because I don’t understand the behavior.<br class="">
> <br class="">
> From one of my clients which is still running GPFS 4.2.1.1 I can run an “mmrepquota -g <fs>” and if the group exists in /etc/group the group name is displayed. Of course, if the group doesn’t exist in /etc/group, the GID is displayed. Makes sense.<br class="">
> <br class="">
> However, on my servers which have been upgraded to GPFS 4.2.2.1 most - but not all - of the time I see GID numbers instead of group names. My question is, what is the criteria GPFS 4.2.2.x is using to decide when to display a GID instead of a group name?
It’s apparently *not* the length of the name of the group, because I have output in front of me where a 13 character long group name is displayed but a 7 character long group name is *not* displayed - its’ GID is instead (and yes, both exist in /etc/group).<br class="">
> <br class="">
> I know that sample output would be useful to illustrate this, but I do not want to post group names or GIDs to a public mailing list … if you want to know what those are, you’ll have to ask Vladimir Putin… ;-)<br class="">
> <br class="">
> I am in the process of updating scripts to use “mmrepquota -gn <fs>” and then looking up the group name myself, but I want to try to understand this. Thanks…<br class="">
> <br class="">
> Kevin<br class="">
> <br class="">
> <br class="">
> —<br class="">
> Kevin Buterbaugh - Senior System Administrator<br class="">
> Vanderbilt University - Advanced Computing Center for Research and Education<br class="">
> <a href="mailto:Kevin.Buterbaugh@vanderbilt.edu" class="">Kevin.Buterbaugh@vanderbilt.edu</a><</font></tt><a href="mailto:Kevin.Buterbaugh@vanderbilt.edu" class=""><tt class=""><font size="2" class="">mailto:Kevin.Buterbaugh@vanderbilt.edu</font></tt></a><tt class=""><font size="2" class="">>-
(615)875-9633<br class="">
> <br class="">
> <br class="">
> _______________________________________________<br class="">
> gpfsug-discuss mailing list<br class="">
> gpfsug-discuss at <a href="http://spectrumscale.org" class="">spectrumscale.org</a><</font></tt><a href="http://spectrumscale.org/" class=""><tt class=""><font size="2" class="">http://spectrumscale.org</font></tt></a><tt class=""><font size="2" class="">><br class="">
> </font></tt><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss" class=""><tt class=""><font size="2" class="">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</font></tt></a><tt class=""><font size="2" class=""><br class="">
> <br class="">
> <br class="">
> <br class="">
> _______________________________________________<br class="">
> gpfsug-discuss mailing list<br class="">
> gpfsug-discuss at <a href="http://spectrumscale.org" class="">spectrumscale.org</a><</font></tt><a href="http://spectrumscale.org/" class=""><tt class=""><font size="2" class="">http://spectrumscale.org</font></tt></a><tt class=""><font size="2" class="">><br class="">
> </font></tt><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss" class=""><tt class=""><font size="2" class="">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</font></tt></a><tt class=""><font size="2" class=""><br class="">
> <br class="">
<br class="">
> _______________________________________________<br class="">
> gpfsug-discuss mailing list<br class="">
> gpfsug-discuss at <a href="http://spectrumscale.org" class="">spectrumscale.org</a><br class="">
> </font></tt><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss" class=""><tt class=""><font size="2" class="">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</font></tt></a><tt class=""><font size="2" class=""><br class="">
<br class="">
<br class="">
-- <br class="">
Lukáš Hejtmánek<br class="">
_______________________________________________<br class="">
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