Re: Very slow start of osds after reboot

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Hi, 

I have the same issue with Ceph Jewel (10.2.9), RedHat7 and dmcrypt
Is there any fix or at least a workaround available ?

Regards,
Manuel 


Am Thu, 31 Aug 2017 16:24:10 +0200
schrieb Piotr Dzionek <piotr.dzionek@xxxxxxxx>:

> Hi,
> 
> For a last 3 weeks I have been running latest LTS Luminous Ceph
> release on CentOS7. It started with 4th RC and now I have Stable
> Release. Cluster runs fine, however I noticed that if I do a reboot
> of one the nodes, it takes a really long time for cluster to be in ok
> status. Osds are starting up, but not as soon as the server is up.
> They are up one by one during a period of 5 minutes. I checked the
> logs and all osds have following errors.
> 
> <snip>
> 
> As you can see the xfs volume(the part with meta-data) is not mounted 
> yet. My question here, what mounts it and why it takes so long ?
> Maybe there is a setting that randomizes the start up process of osds
> running on the same node?
> 
> Kind regards,
> Piotr Dzionek
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com



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