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Bug #8851

l2arc space accounting mismatch

Added by Richard Kojedzinszky over 5 years ago. Updated about 4 years ago.

Status:
Resolved
Priority:
No priority
Assignee:
Xin Li
Category:
-
Target version:
Seen in:
Severity:
New
Reason for Closing:
Reason for Blocked:
Needs QA:
Yes
Needs Doc:
Yes
Needs Merging:
Yes
Needs Automation:
No
Support Suite Ticket:
n/a
Hardware Configuration:
ChangeLog Required:
No

Description

Relating to #6239, I still had a huge l2 cache device:

# zpool iostat -v main
                                           capacity     operations    bandwidth
pool                                    alloc   free   read  write   read  write
--------------------------------------  -----  -----  -----  -----  -----  -----
main                                    5.90T  3.16T    250    170  7.58M  1.77M
  raidz2                                5.90T  3.16T    250    168  7.58M  1.73M
    gptid/2ee8a577-7c97-11e4-9993-0030488a0dbe      -      -     64     27  1.15M   417K
    gptid/95d66e8b-4995-11e4-b711-0030488a0dbe      -      -     71     23  1.16M   353K
    gptid/97193348-4995-11e4-b711-0030488a0dbe      -      -     71     23  1.16M   353K
    gptid/98651d7a-4995-11e4-b711-0030488a0dbe      -      -     73     23  1.16M   353K
    gptid/99c16f24-4995-11e4-b711-0030488a0dbe      -      -     64     24  1.17M   352K
    gptid/9b16af33-4995-11e4-b711-0030488a0dbe      -      -     73     23  1.16M   353K
    gptid/9c5ff5e1-4995-11e4-b711-0030488a0dbe      -      -     54     23  1.18M   353K
    gptid/9da56c9b-4995-11e4-b711-0030488a0dbe      -      -     65     23  1.18M   353K
    gptid/9ef14bea-4995-11e4-b711-0030488a0dbe      -      -     71     23  1.17M   353K
    gptid/a039e32f-4995-11e4-b711-0030488a0dbe      -      -     65     23  1.18M   353K
logs                                        -      -      -      -      -      -
  gptid/72a2586a-9d6d-11e4-9993-0030488a0dbe   636K  3.97G      0      4      0  94.4K
cache                                       -      -      -      -      -      -
  gptid/75850ed2-9d6d-11e4-9993-0030488a0dbe   136G  16.0E     61      3   285K   102K
--------------------------------------  -----  -----  -----  -----  -----  -----

I was reading commits, and I am not sure that f64c1d5ea57d86 is appropriate.


Related issues

Copied from FreeNAS - Bug #6239: l2arc space accounting mismatchResolved2014-10-02

Associated revisions

Revision e006356d (diff)
Added by Xin Li over 5 years ago

Revert r273060 per discussion with avg@ as we need to make L2ARC aware of 4K devices and this one is not the right fix anyway. (cherry picked from commit cbde4886c50a3623cc95cbf607bb45948e91bcb4) Ticket: #8851

Revision e006356d (diff)
Added by Xin Li over 5 years ago

Revert r273060 per discussion with avg@ as we need to make L2ARC aware of 4K devices and this one is not the right fix anyway. (cherry picked from commit cbde4886c50a3623cc95cbf607bb45948e91bcb4) Ticket: #8851

History

#1 Updated by Richard Kojedzinszky over 5 years ago

  • Copied from Bug #6239: l2arc space accounting mismatch added

#2 Updated by Jordan Hubbard over 5 years ago

  • Assignee set to Xin Li
  • Target version set to Unspecified

BRB: Possible regression - Xin to review.

#3 Updated by Xin Li over 5 years ago

  • Status changed from Unscreened to Ready For Release

Please test if this is fixed in a new build.

#4 Updated by Richard Kojedzinszky over 5 years ago

On my test systems it looks good.

#5 Updated by Jordan Hubbard over 5 years ago

  • Status changed from Ready For Release to Resolved

#6 Avatar?id=14398&size=24x24 Updated by Kris Moore about 4 years ago

  • Target version changed from Unspecified to N/A

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