[LU-13589] PFL "lfs setstripe -E 1M -S 65536" incorrectly parses stripe_size units

• Status: Resolved
• Project: Lustre
• Affects Version/s: Lustre 2.12.4, Lustre 2.12.5
• Fix Version/s: Lustre 2.12.5
• Type: Bug
• Priority: Minor
• Reporter: Andreas Dilger
• Assignee: Andreas Dilger
• Resolution: Fixed
• Severity: 3

Description

Creating a PFL file with "lfs setstripe -E 1M -S 65536 ..." incorrectly transfers the component-end 'M' unit to the stripe_size argument, which results in "65536" being parsed as 65GiB. If the component end is specified as "-E 1G" then the "-S 65536" argument is parsed as 64TiB.

Issue Links

• is related to: LU-13168 Client panic "Freechain corrupt"/"Red...
• is related to: LU-10070 PFL self-extending file layout

Comments

[Andreas Dilger]

This was seen in the test case for LU-13168 when it was backported to b2_12. It was not seen when the patch was landed on master.

[Andreas Dilger]

It looks like parsing of "size_units" was reset to 1 for every setstripe argument as part of patch https://review.whamcloud.com/34909 "LU-10070 utils: SEL: lfs find & getstripe support", but it wasn't explicitly called out in the commit message.

[Gerrit Updater]

Andreas Dilger ([e-mail]) uploaded a new patch: https://review.whamcloud.com/38680
Subject: LU-13589 utils: fix lfs setstripe unit parsing
Project: fs/lustre-release
Branch: b2_12
Current Patch Set: 1
Commit: f6cfe15d9f287ebb6581f84ac135477c30fd5354

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/38680/
Subject: LU-13589 utils: fix lfs setstripe unit parsing
Project: fs/lustre-release
Branch: b2_12
Current Patch Set:
Commit: 4e7fd8821da4da2148c5044f416e390c42faf3b8

[Peter Jones]

Landed for 2.12.5