The current situation is:
1. Replica:
stopped and started the replica
no activity on replica - iotop and top show nothing
the only messages on replica is incoming connection from master
2. Master:
when I run sync_client -r I still get:
Apr 21 12:38:36 ifs sync_client[29518]: Reprocessing sync log file
/var/lib/imap/sync/log-run
Apr 21 12:43:27 ifs sync_client[29518]: IOERROR: zero length response to
MAILBOXES (idle for too long)
Apr 21 12:43:27 ifs sync_client[29518]: IOERROR: zero length response to
RESTART (idle for too long)
Apr 21 12:43:27 ifs sync_client[29518]: Error in do_sync(): bailing out!
Bad protocol
Apr 21 12:43:27 ifs sync_client[29518]: Processing sync log file
/var/lib/imap/sync/log-run failed: Bad protocol
3. There is 27 GB of about 45 GB replicated and there is no further progress
4. How to find out why the replica doesn't respond?
On 2020-04-21 11:18, Olaf Frączyk wrote:
I also found out that when I see on master:
Apr 21 11:12:38 ifs sync_client[27996]: IOERROR: zero length response
to MAILBOXES (idle for too long)
Apr 21 11:12:38 ifs sync_client[27996]: IOERROR: zero length response
to RESTART (idle for too long)
Apr 21 11:12:38 ifs sync_client[27996]: Error in do_sync(): bailing
out! Bad protocol
Apr 21 11:12:38 ifs sync_client[27996]: Processing sync log file
/var/lib/imap/sync/log-run failed: Bad protocol
I also get on the replica:
Apr 21 11:12:38 skink1 imap[5775]: Connection reset by peer, closing
connection
But I also see, that before it happens, there is no activity both on
the replica and on the master for some time.
So maybe the imap server process is not recovering correctly in the
longlock situation?
On 2020-04-21 11:07, Olaf Frączyk wrote:
Hi,
When I run sync_client -r on the master I see the following on the
replica:
Apr 21 10:56:15 skink1 imap[5775]: mailbox: longlock
navi.pl!user.olaf for 1.7 seconds
Apr 21 10:56:20 skink1 imap[5775]: mailbox: longlock
navi.pl!user.piotr for 2.0 seconds
Apr 21 10:56:23 skink1 imap[5775]: mailbox: longlock
navi.pl!user.olaf for 2.9 seconds
Apr 21 10:56:26 skink1 imap[5775]: mailbox: longlock
navi.pl!user.piotr for 3.0 seconds
The mailboxes have several GB in Inbox folder and several GB in
subfolders. The inbox folders have about 20,000 messages, the
subfolders upto 15,000
Could it cause problems?
Maybe I should move the sync_client from START section to SERVICES,
it seems that it is not automatically restarted
On 2020-04-21 08:47, Michael Menge wrote:
Hi Olaf
Quoting Olaf Frączyk <olaf@xxxxxxx>:
Hi,
I upgraded to 3.0.13 but it didn't help.
This time it copied about 18GB
in the logs I still see:
1 - inefficient replication
2 - IOERROR: zero length response to MAILBOXES (idle for too long)
IOERROR: zero length response to RESTART (idle for too long)
Error in do_sync(): bailing out! Bad protocol
But I have no idea what can I do next and why it fails
Apr 21 02:24:46 ifs sync_client[12656]: IOERROR: zero length
response to MAILBOXES (idle for too long)
Apr 21 02:24:46 ifs sync_client[12656]: IOERROR: zero length
response to RESTART (idle for too long)
Apr 21 02:24:46 ifs sync_client[12656]: Error in do_sync(): bailing
out! Bad protocol
do you see any errors on the syncserver side. The error look like the
sync_client is waiting for a reply of the server.
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