Re: Virtual machines using RBD remount read-only on OSD slow requests

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi,

I recently e-mailed ceph-users about a problem with virtual machine RBD
disks remounting read-only because of OSD slow requests[1]. I just
wanted to report that although I'm still seeing OSDs from one particular
machine going down sometimes (probably some hardware problem on that
node), the virtual machines haven't been remounting their disks
read-only. 

I can't be sure of the cause, because I didn't do any controlled tests
(or any tests at all), but one thing I changed was the
osd_recovery_op_priority, from the default 10 to 5. I had seen some
suggestions on this list regarding that parameter and they may well have
been useful in my case.

Cheers,
Paulo

[1]http://lists.ceph.com/pipermail/ceph-users-ceph.com/2014-November/044887.html

_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com




[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux