Re: [MooseFS-Users] Master IP in v4

[Piotr R. K. <pio...@mo...>]

> On 30 May 2018, at 7:54 PM, Gandalf Corvotempesta <gan...@gm...> wrote:
> 
> I've attached an image.
> Pretty strange, metadata version mismatch, but "metadata id" are identical
> and follower is in "DESYNC" state.
> Il giorno mer 30 mag 2018 alle ore 18:48 Gandalf Corvotempesta <
> gan...@gm...> ha scritto:
> 
>> Il giorno mer 30 mag 2018 alle ore 18:45 Gandalf Corvotempesta <
>> gan...@gm...> ha scritto:
>>> So, the only configuration is to create a DNS record pointing to all
>> master
>>> IPs, then set "MASTER_HOST" on all services pointing to this DNS record.
> 
>> Another issue: after rebooting one of the follower server, the master
>> process is now respawning and stuck at "FOLLOWER (DESYNC)"
>> Should I manually run something after the reboot ? Is possible to automate
>> the resync ?
> <screen.jpg>

What Leader and Follower say in /var/log/syslog or /var/log/messages? Is /etc/mfs/mfsmaster.cfg consistent on all the servers? Are all of them able to resolve MASTER_HOST properly to 3 addresses? Are ports 9419-9422 open between them?

Please let me know. You can also try to stop Followers and start them with "-e" parameter:

mfsmaster -e

in order to start "empty" Masters and let them download metadata from Leader.

Best regards,
Peter

-- 
Piotr Robert Konopelko | mobile: +48 601 476 440
MooseFS Client Support Team | moosefs.com