Details
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Bug
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Resolution: Fixed
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Critical
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Lustre 2.10.0, Lustre 2.11.0, Lustre 2.12.0, Lustre 2.13.0
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3
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9223372036854775807
Description
In 2011y, Johann was introduce a wire protocol changes.
commit f90abfdc961debae069804307dcbc883b50c137c Author: Johann Lombardi <johann@whamcloud.com> Date: Thu Dec 15 01:00:00 2011 +0100 LU-169 lov: add generation number to LOV EA
This commit replace an unused field 'stripe_offset' in server reply with layout generation.
so same offset in this structure have a different purpose.
But, author forget about replay case. in this case, LOV EA directly copied from Server reply into client source buffer. Before this change it was LOV_DEFAULT_OFFSET aka -1, but after this change it's replaced with zero for new allocated file.
PFL landing have improve a layout checks for 'SETSTRIPE' requests, so it verified against a pool indexes now.
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That's all.
Client create a file in directory with pool assigned, but server failed. Client tries a resend open+create call but it have silence failed on replay with EINVAL in lod_verify_v1v3 as '0' isn't part of lod pool indexes.
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