On 6/12/14 3:44 PM, Vijay Bellur wrote:
I thought this indeed, since the volume was fine after that and I could access it.On 06/11/2014 11:25 PM, Ivano Talamo wrote:Hello, I recently update 2 servers (Scientific Linux 6) with a replicate volume from gluster 3.4 to 3.5.0-2. The volume was previously used to host qemu/kvm VM images accessed via a fuse-mounted mount-point. Now I would like to use the libgfapi but I'm seeing this error: [root@cmsrm-service02 ~]# qemu-img info gluster://cmsrm-service02/vol1/vms/disks/cmsrm-ui01.raw2 [2014-06-11 17:47:22.084842] E [afr-common.c:3959:afr_notify] 0-vol1-replicate-0: All subvolumes are down. Going offline until atleast one of them comes back up. image: gluster://cmsrm-service03/vol1/vms/disks/cmsrm-ui01.raw2 file format: raw virtual size: 20G (21474836480 bytes) disk size: 4.7G [2014-06-11 17:47:22.318034] E [afr-common.c:3959:afr_notify] 0-vol1-replicate-0: All subvolumes are down. Going offline until atleast one of them comes back up.This is a benign error message. qemu-img initializes a glusterfs graph through libgfapi, performs the operation and then cleans up the graph. afr translator in glusterfs displays this log message as part of a graph cleanup operation. IIRC, qemu displays all log messages on stderr by default and hence this message is seen.
The error message does not appear if I access the file via the mount-point.There should be no functional problem even if this message is seen.
Btw, I have problems starting the VM. the "virsh start <vm-name>" command remains waiting forever on a futex call.
The xml relevant section is:
<disk type='network' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source protocol='gluster' name='vol1/vms/disks/cmsrm-ui01.qcow2'>
<host name='141.108.36.19' port='24007'/>
</source>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05'
function='0x0'/>
</disk>
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