#ceph IRC Log

Index

IRC Log for 2015-03-03

Timestamps are in GMT/BST.

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[2:16] <joelio> hey, I'm on 0.93 and noticing a few OSDs aren't starting up. Failing with ... os/Transaction.cc: 504: FAILED assert(ops == data.ops)
[2:16] <joelio> in the osd log
[2:16] <joelio> get some journal replay info before that
[2:16] <joelio> os/Transaction.cc: In function 'void ObjectStore::Transaction::_build_actions_from_tbl()' thread 7fc549400900 time 2015-03-02 22:07:39.823554
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[2:17] <joelio> is the journal corrupt or some other error? had a few memory issues before, so might be a side affect unfortunately
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[2:32] <davidz> joelio: My understanding is that per the upgrade instructions you need to "ceph-osd ???flush-journal ???" before upgrading. This is using the 0.92 ceph-osd.
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[2:40] <joelio> davidz: ahh, the beauty of hindsight :)
[2:40] * joelio fears he's pretty stuffed
[2:42] <joelio> this was done via the normal ubuntu packages, perhaps the pre-inst hook should handle that already?
[2:42] <joelio> I think the journal's there, just something a bit whacky (I'm hoping)
[2:43] <davidz> joelio: Worst case is install 0.92 on each machine that needs it. Flush the journal and then upgrade to 0.93 again.
[2:44] <joelio> not following how that would help?
[2:44] <joelio> they're all on 0.93 atm
[2:45] <davidz> joelio: There is an incompatible transaction in the journal which the 0.93 ceph-osd doesn't like. To get rid of it an 0.92 ceph-osd can complete those transactions and basically mark them as done. When the 0.93 osd starts after that it won't even see the transaction.
[2:46] <joelio> right, I get you
[2:46] <joelio> ok, will try thanks
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[2:54] <athrift_> Can anyone point me at the documentation of "filestore apply latency" and "filestore commit latency" ?
[2:54] <athrift_> or give me a brief overview of the differences
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[3:05] <joelio> davidz: legend!
[3:06] <joelio> thanks dude, might be able to fix this after all :)
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[3:09] <davidz> joelio: To be honest this was being worked in #ceph-devel today for someone else who saw this issue too.
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[3:11] <joelio> yea, it's entirely my own fault to be fair.
[3:11] <joelio> I know the risks
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