Some more info, really we have lvm over lvm here:
lvm-vdo-lvm...
Thank you!
12.08.2020 11:00, Dmitry Melekhov пишет:
Hello!
We are testing gluster 8 on centos 8.2 and we try to use volume
created over vdo.
This is 2 nodes setup.
There is lvm created over vdo, and xfs filesystem.
Test vm runs just fine if we run vm over fuse:
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='directsync'/>
<source file='/root/pool/stewjon.img'/>
<target dev='vda' bus='virtio'/>
/root/pool/ is fuse mount.
but if we try to run:
<disk type='network' device='disk'>
<driver name='qemu' type='raw' cache='directsync'/>
<source protocol='gluster' name='pool/stewjon.img'>
<host name='127.0.0.1'/>
</source>
<target dev='vda' bus='virtio'/>
</disk>
then vm boot dies, qemu says- no bootable device.
It works without cache='directsync' though.
But live migration does not work.
btw, everything work OK if we run VM on gluster volume without vdo...
Any ideas what can cause this and how it can be fixed?
Thank you!
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