[lustre-discuss] resize2fs to get more inodes on MDT
bevans at cray.com
Tue Jun 16 11:46:20 PDT 2015
I've seen this happen once in production (with something like 2B files).
If you can do the resize2fs, and expand, I think that will work (others should chime in here), but I'd definitely do a backup first, as well as doing an fsck.
Finally, create some sort of sensor that keeps track of inodes on both the MDT and the OSTs. Running out is a bad thing.
From: lustre-discuss [mailto:lustre-discuss-bounces at lists.lustre.org] On Behalf Of John White
Sent: Tuesday, June 16, 2015 2:33 PM
To: lustre-discuss at lists.lustre.org
Subject: [lustre-discuss] resize2fs to get more inodes on MDT
We mis-sized out MDT and ran out of inodes. What is the sanctioned method of getting more inodes? Would a resize2fs suffice (we have plenty of extents left in the VG hosting the MDT) or would we need to backup and migrate to a new MDT with more inodes right off the bat?
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