День добрий! Wed, Feb 03, 2021 at 09:29:52AM +0000, Magnus.Hagdorn wrote: > if a OSD becomes unavailble (broken disk, rebooting server) then all > I/O to the PGs stored on that OSD will block until replication level of > 2 is reached again. So, for a highly available cluster you need a > replication level of 3 AFAIK, with min_size 1 it is possible to write even to only active OSD serving PG. > On Wed, 2021-02-03 at 10:24 +0100, Mario Giammarco wrote: > > Hello, > > Imagine this situation: > > - 3 servers with ceph > > - a pool with size 2 min 1 > > > > I know perfectly the size 3 and min 2 is better. > > I would like to know what is the worst thing that can happen: > > > > - a disk breaks and another disk breaks before ceph has reconstructed > > second replica, ok I lose data > > > > - if network goes down and so monitors lose quorum do ceph still > > write on > > disks? > > > > What else? _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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