[Users] chkpt/vzmigrate with SSL connections

[Kir Kolyshkin]

Please file a bug to bugzilla.openvz.org
On Oct 1, 2011 2:24 AM, "Dariush Pietrzak" <ml-openvz-eyck at kuszelas.eu>
wrote:
> Hi
> I recently tried migrating live postgresql slave, and it failed, right
> after migration such messages appeared in logfile:
>
>
> 011-10-01 00:04:39 CEST LOG: invalid record length at 0/2B008258
> 2011-10-01 00:04:52 CEST FATAL: no free slots in PMChildFlags array
> 2011-10-01 00:04:52 CEST LOG: process 10745 releasing ProcSignal slot
2056, but it contains 0
> 2011-10-01 00:04:54 CEST LOG: process 10743 releasing ProcSignal slot
2055, but it contains 0
> 2011-10-01 00:05:31 CEST FATAL: could not receive data from WAL stream:
SSL connection has been closed unexpectedly
>
> 2011-10-01 00:05:31 CEST LOG: process 10746 releasing ProcSignal slot
2058, but it contains 0
>
> since it's just hot-standby and there was no reports running on it, it was
safe to restart, so:
>
> 2011-10-01 00:05:39 CEST LOG: database system was interrupted while in
recovery at log time 2011-10-01 00:03:43 CEST
> 2011-10-01 00:05:39 CEST HINT: If this has occurred more than once some
data might be corrupted and you might need to choose an earlier recovery
target.
> 2011-10-01 00:05:39 CEST LOG: incomplete startup packet
> 2011-10-01 00:05:39 CEST LOG: entering standby mode
> 2011-10-01 00:05:39 CEST LOG: consistent recovery state reached at
0/2B008258
> afterwards it started working fine.
>
> Kernel is RHEL6 from 17 sep, machines between which guest was being
migrated
> are identical, I'm not sure if the problem was in SSL contexts becoming
> corrupted, or was it somehow related to postgresql inner workings...
> I do believe I have successfully transfered running postgresqls before,
this
> was my first attempt of moving PG with running replication, so I assume
the
> problem might be related to SSL.
> Anyone else encountered something like this?
>
> (I do know that dhcp3 servers require restart after online migration, this
is first
> time I see applications reporting data corruption in such case)
>
> best regards, Eyck
> --
> Key fingerprint = 40D0 9FFB 9939 7320 8294 05E0 BCC7 02C4 75CC 50D9
> Total Existance Failure
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