[Lustre-discuss] possibly corrupt stat() returns

[David Singleton]

On 06/01/2011 08:25 AM, John White wrote:
> Hello Folks,
> 	We've got this perl script that performs our purges based on the atime returned from a stat() call.  Over the weekend, it would appear, our script got back millions of corrupted or misreported atimes and, lucky for us, unlinked a whole bunch of files (on the order of 45TB).  The only indication anything might have happened was the following sitting in the dmesg of the lustre client that houses the purge script:
> *snip*
> LustreError: 27061:0:(file.c:3312:ll_inode_revalidate_fini()) failure -2 inode 181017071
> LustreError: 27061:0:(file.c:3312:ll_inode_revalidate_fini()) Skipped 19 previous similar messages
> LustreError: 13381:0:(file.c:3312:ll_inode_revalidate_fini()) failure -2 inode 161973341
> LustreError: 13381:0:(file.c:3312:ll_inode_revalidate_fini()) Skipped 25 previous similar messages
> LustreError: 27061:0:(file.c:3312:ll_inode_revalidate_fini()) failure -2 inode 162433196
> LustreError: 27061:0:(file.c:3312:ll_inode_revalidate_fini()) Skipped 32 previous similar messages
> LustreError: 27061:0:(file.c:3312:ll_inode_revalidate_fini()) failure -2 inode 174530765
> LustreError: 27061:0:(file.c:3312:ll_inode_revalidate_fini()) Skipped 33 previous similar messages
> *snip*
>
> Any ideas or experience with poorly reported atimes under lustre?
>

https://bugzilla.lustre.org/show_bug.cgi?id=23766 ?

Slightly different maybe?

David