Re: Issues going from 1 to 3 mons

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(Re-adding the list for future reference)

Wolfgang, from your log file:

2013-06-25 14:58:39.739392 7fa329698780 -1 common/config.cc: In function 'void md_config_t::set_val_or_die(const char*, const char*)' thread 7fa329698780 time 2013-06-25 14:58:39.738501
common/config.cc: 621: FAILED assert(ret == 0)

 ceph version 0.61.4 (1669132fcfc27d0c0b5e5bb93ade59d147e23404)
 1: /usr/bin/ceph-mon() [0x660736]
 2: /usr/bin/ceph-mon() [0x699d66]
 3: (pick_addresses(CephContext*)+0x93) [0x69a1a3]
 4: (main()+0x1e3f) [0x48256f]
 5: (__libc_start_main()+0xed) [0x7fa3278f576d]
 6: /usr/bin/ceph-mon() [0x4848bd]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

This was initially reported on ticket #5205. Sage fixed it last night, for ticket #5195. Gary reports it fixed using Sage's patch, and said fix was backported to the cuttlefish branch.

It's worth to mention that the cuttlefish branch also contains a couple of commits that should boost monitor performance and avoid leveldb hangups.

Looking into #5195 (http://tracker.ceph.com/issues/5195) for more info is advised. Let us know if you decide to try the cuttlefish branch (on the monitors) and whether it fixes the issue for you.

Thanks!

  -Joao


--
Joao Eduardo Luis
Software Engineer | http://inktank.com | http://ceph.com
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