Re: emperor -> firefly 0.80.7 upgrade problem

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Hi Sam,

> Incomplete usually means the pgs do not have any complete copies.  Did
> you previously have more osds?

No.  But could have OSDs quitting after hitting assert(0 == "we got a bad 
state machine event"), or interacting with kernel 3.14 clients have caused the 
incomplete copies?

How can I probe the fate of one of the incomplete PGs? e.g.
pg 4.152 is incomplete, acting [1,11]

Also, how can I investigate why one osd has a blocked request?  The hardware 
appears normal and the OSD is performing other requests like scrubs without 
problems.  From its log:

2014-11-05 00:57:26.870867 7f7686331700  0 log [WRN] : 1 slow requests, 1 
included below; oldest blocked for > 61440.449534 secs
2014-11-05 00:57:26.870873 7f7686331700  0 log [WRN] : slow request 
61440.449534 seconds old, received at 2014-11-04 07:53:26.421301: 
osd_op(client.11334078.1:592 rb.0.206609.238e1f29.0000000752e8 [read 512~512] 
4.17df39a7 RETRY=1 retry+read e115304) v4 currently reached pg
2014-11-05 00:57:31.816534 7f7665e4a700  0 -- 192.168.164.187:6800/7831 >> 
192.168.164.191:6806/30336 pipe(0x44a98780 sd=89 :6800 s=0 pgs=0 c
s=0 l=0 c=0x42f482c0).accept connect_seq 14 vs existing 13 state standby
2014-11-05 00:59:10.749429 7f7666e5a700  0 -- 192.168.164.187:6800/7831 >> 
192.168.164.191:6800/20375 pipe(0x44a99900 sd=169 :6800 s=2 pgs=44
3 cs=29 l=0 c=0x42528b00).fault with nothing to send, going to standby
2014-11-05 01:02:09.746857 7f7664d39700  0 -- 192.168.164.187:6800/7831 >> 
192.168.164.192:6802/9779 pipe(0x44a98280 sd=63 :6800 s=0 pgs=0 cs
=0 l=0 c=0x42f48c60).accept connect_seq 26 vs existing 25 state standby

Greg, I attempted to copy/paste you 'ceph scrub' output.  Did I get the 
releveant bits?

Thanks,
Chad.
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