Re: VM storage and OSD Ceph failures

[Gregory Farnum <greg@xxxxxxxxxxx>]

The VM read will hang until a replica gets promoted and the VM resends the read. In a healthy cluster with default settings this will take about 15 seconds.

-Greg

On Tuesday, September 17, 2013, Gandalf Corvotempesta wrote:

Hi to all.
Let's assume a Ceph cluster used to store VM disk images.
VMs will be booted directly from the RBD.

What will happens in case of OSD failure if the failed OSD is the
primary where VM is reading from ?
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