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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> gpfsug-discuss-bounces@spectrumscale.org <gpfsug-discuss-bounces@spectrumscale.org> on behalf of Buterbaugh, Kevin L <Kevin.Buterbaugh@Vanderbilt.Edu><br>
<b>Sent:</b> Wednesday, March 27, 2019 10:59:17 AM<br>
<b>To:</b> gpfsug main discussion list<br>
<b>Subject:</b> [EXT] [gpfsug-discuss] Adding to an existing GPFS ACL</font>
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Hi All,
<div class=""><br class="">
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<div class="">First off, I have very limited experience with GPFS ACL’s, so please forgive me if I’m missing something obvious here. AFAIK, this is the first time we’ve hit something like this…</div>
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<div class="">We have a fileset where all the files / directories have GPFS NFSv4 ACL’s set on them. However, unlike most of our filesets where the same ACL is applied to every file / directory in the share, this one has different ACL’s on different files
/ directories. Now we have the need to add to the existing ACL’s … another group needs access. Unlike regular Unix / Linux ACL’s where setfacl can be used to just add to an ACL (i.e. setfacl -R g:group_name:rwx), I’m not seeing where GPFS has a similar command
… i.e. mmputacl seems to expect the _entire_ new ACL to be supplied via either manual entry or an input file. That’s obviously problematic in this scenario.</div>
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<div class="">So am I missing something? Is there an easier solution than writing a script which recurses over the fileset, gets the existing ACL with mmgetacl and outputs that to a file, edits that file to add in the new group, and passes that as input to
mmputacl? That seems very cumbersome and error prone, especially if I’m the one writing the script!</div>
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<div class="">Thanks…</div>
<div class=""><br class="">
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<div class="">Kevin</div>
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<div class="">—</div>
<div class="">Kevin Buterbaugh - Senior System Administrator</div>
<div class="">Vanderbilt University - Advanced Computing Center for Research and Education</div>
<div class=""><a href="mailto:Kevin.Buterbaugh@vanderbilt.edu" class="">Kevin.Buterbaugh@vanderbilt.edu</a> - (615)875-9633</div>
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