The warnings look like this. 6 ops are blocked > 32.768 sec on osd.219 1 osds have slow requests
On Sun, Sep 2, 2018, 8:45 AM Alfredo Deza <ad...@redhat.com> wrote: > On Sat, Sep 1, 2018 at 12:45 PM, Brett Chancellor > <bchancel...@salesforce.com> wrote: > > Hi Cephers, > > I am in the process of upgrading a cluster from Filestore to bluestore, > > but I'm concerned about frequent warnings popping up against the new > > bluestore devices. I'm frequently seeing messages like this, although the > > specific osd changes, it's always one of the few hosts I've converted to > > bluestore. > > > > 6 ops are blocked > 32.768 sec on osd.219 > > 1 osds have slow requests > > > > I'm running 12.2.4, have any of you seen similar issues? It seems as > though > > these messages pop up more frequently when one of the bluestore pgs is > > involved in a scrub. I'll include my bluestore creation process below, > in > > case that might cause an issue. (sdb, sdc, sdd are SATA, sde and sdf are > > SSD) > > Would be useful to include what those warnings say. The ceph-volume > commands look OK to me > > > > > > > ## Process used to create osds > > sudo ceph-disk zap /dev/sdb /dev/sdc /dev/sdd /dev/sdd /dev/sde /dev/sdf > > sudo ceph-volume lvm zap /dev/sdb > > sudo ceph-volume lvm zap /dev/sdc > > sudo ceph-volume lvm zap /dev/sdd > > sudo ceph-volume lvm zap /dev/sde > > sudo ceph-volume lvm zap /dev/sdf > > sudo sgdisk -n 0:2048:+133GiB -t 0:FFFF -c 1:"ceph block.db sdb" /dev/sdf > > sudo sgdisk -n 0:0:+133GiB -t 0:FFFF -c 2:"ceph block.db sdc" /dev/sdf > > sudo sgdisk -n 0:0:+133GiB -t 0:FFFF -c 3:"ceph block.db sdd" /dev/sdf > > sudo sgdisk -n 0:0:+133GiB -t 0:FFFF -c 4:"ceph block.db sde" /dev/sdf > > sudo ceph-volume lvm create --bluestore --crush-device-class hdd --data > > /dev/sdb --block.db /dev/sdf1 > > sudo ceph-volume lvm create --bluestore --crush-device-class hdd --data > > /dev/sdc --block.db /dev/sdf2 > > sudo ceph-volume lvm create --bluestore --crush-device-class hdd --data > > /dev/sdd --block.db /dev/sdf3 > > > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > >
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