Re: Upgrading from 0.61.5 to 0.61.6 ended in disaster

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Am 25.07.2013 01:19, schrieb Sage Weil:
> On Wed, 24 Jul 2013, Stefan Priebe - Profihost AG wrote:
>> 2013-07-24 08:41:56.097385 7fae6384a780 -1 mon/OSDMonitor.cc: In
>> function 'virtual void OSDMonitor::update_from_paxos(bool*)' thread
>> 7fae6384a780 time 2013-07-24 08:41:56.096683
>> mon/OSDMonitor.cc: 156: FAILED assert(latest_full > 0)
>>
>>  ceph version 0.61.6-15-g85db066 (85db0667307ac803c753d16fa374dd2fc29d76f3)
>>  1: (OSDMonitor::update_from_paxos(bool*)+0x2413) [0x50f5a3]
>>  2: (PaxosService::refresh(bool*)+0xe6) [0x4f2c66]
>>  3: (Monitor::refresh_from_paxos(bool*)+0x57) [0x48f7b7]
>>  4: (Monitor::init_paxos()+0xe5) [0x48f955]
>>  5: (Monitor::preinit()+0x679) [0x4bba79]
>>  6: (main()+0x36b0) [0x484bb0]
>>  7: (__libc_start_main()+0xfd) [0x7fae619a6c8d]
>>  8: /usr/bin/ceph-mon() [0x4801e9]
>>  NOTE: a copy of the executable, or `objdump -rdS <executable>` is
>> needed to interpret this.
> 
> This is fixed in the cuttlefish branch as of earlier this afternoon.  I've 
> spent most of the day expanding the automated test suite to include 
> upgrade combinations to trigger this and *finally* figured out that this 
> particular problem seems to surface on clusters that upgraded from bobtail 
> -> cuttlefish but not clusters created on cuttlefish.

Thanks!


> If you've run into this issue, please use the cuttlefish branch build for 
> now.  We will have a release out in the next day or so that includes this 
> and a few other pending fixes.
> 
> I'm sorry we missed this one!  The upgrade test matrix I've been working 
> on today should catch this type of issue in the future.

Thanks!

Stefan
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