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<p class="MsoNormal">Moving data between filesets is like moving files between file systems. Normally when you move files between directories, it’s simple metadata, but with filesets (dependent or independent) is a full copy and delete of the old data.<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt">Bob Oesterlin<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Sr Principal Storage Engineer, Nuance<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black"><gpfsug-discuss-bounces@spectrumscale.org> on behalf of "J. Eric Wonderley" <eric.wonderley@vt.edu><br>
<b>Reply-To: </b>gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Date: </b>Thursday, April 16, 2020 at 11:32 AM<br>
<b>To: </b>gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Subject: </b>[EXTERNAL] [gpfsug-discuss] gpfs filesets question<o:p></o:p></span></p>
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<p class="MsoNormal">I have filesets setup in a filesystem...looks like: <o:p></o:p></p>
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<p class="MsoNormal">[root@cl005 ~]# mmlsfileset home -L<br>
Filesets in file system 'home':<br>
Name Id RootInode ParentId Created InodeSpace MaxInodes AllocInodes Comment<br>
root 0 3 -- Tue Jun 30 07:54:09 2015 0 402653184 320946176 root fileset<br>
hess 1 543733376 0 Tue Jun 13 14:56:13 2017 0 0 0
<br>
predictHPC 2 1171116 0 Thu Jan 5 15:16:56 2017 0 0 0
<br>
HYCCSIM 3 544258049 0 Wed Jun 14 10:00:41 2017 0 0 0
<br>
socialdet 4 544258050 0 Wed Jun 14 10:01:02 2017 0 0 0
<br>
arc 5 1171073 0 Thu Jan 5 15:07:09 2017 0 0 0
<br>
arcadm 6 1171074 0 Thu Jan 5 15:07:10 2017 0 0 0 <o:p></o:p></p>
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<p class="MsoNormal">I beleive these are dependent filesets. Dependent on the root fileset. Anyhow a user wants to move a large amount of data from one fileset to another. Would this be a metadata only operation? He has attempted to small amount of data
and has noticed some thrasing.<o:p></o:p></p>
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