[LU-2772] Test failure: "No space left on device" on zfs

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: zfs
• Severity: 3
• Assignee: Nathaniel Clark
• Reporter: Maloo

Description

This issue was created by maloo for Nathaniel Clark <[e-mail]>

This issue relates to the following test suite run: https://maloo.whamcloud.com/test_sets/e6069a3e-6feb-11e2-a955-52540035b04c.

Issue Links

• duplicates: LU-2733 lustre-initialization-1: mgs_init0()) MGS: MGS filesystem method init failed: rc = -2
• is related to: LU-2749 Test failure on test suite recovery-small: ost crash after test 29b causes test_53 to timeout

Comments

[Andreas Dilger]

Fixed by http://review.whamcloud.com/5247 in LU-2733.

[Nathaniel Clark]

This is related to but not caused by LU-2749. The cause of this bug seems to be osd-zfs/osd_io.c::osd_oi_create() returning EEXIST to osd-zfs/osd_io.c::osd_find_or_add_seq on the OST, which causes the MDT to assume that the OST is further more insane.