Thanks everyone, the env like this :
Linux 3.0.97-1.el6.elrepo.x86_64 CentOS 6.4
ceph version 0.61.7 (8f010aff684e820ecc837c25ac77c7a05d7191ff)
/dev/sdd1 on /var/lib/ceph/osd/ceph-2 type xfs (rw)
/dev/sdb1 on /var/lib/ceph/osd/ceph-3 type xfs (rw)
/dev/sdc1 on /var/lib/ceph/osd/ceph-4 type xfs (rw)
meta-data=/dev/sdb1 isize=2048 agcount=4, agsize=8895321 blks
= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=35581281, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal bsize=4096 blocks=17373, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
/usr/libexec/qemu-kvm -name centos6-clone2 -S -machine rhel6.4.0,accel=kvm
-m 1000 -smp 2,sockets=2,cores=1,threads=1 -uuid
dd1a7093-bdea-4816-8a62-df61cb0c9bfa -nodefconfig -nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/centos6-clone2.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive
file=rbd:rbd/centos6-clone2:auth_supported=none:mon_host=agent21.kisops.org\:6789,if=none,id=drive-virtio-disk0
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-netdev tap,fd=22,id=hostnet0,vhost=on,vhostfd=23 -device
virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:5c:71:f1,bus=pci.0,addr=0x3
-vnc 0.0.0.0:0 -vga cirrus -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5
Use `umount -l` to force umount.
Anything else ?
2013/10/8 Mark Nelson <mark.nel...@inktank.com>
> Also, mkfs, mount, and kvm disk options?
>
> Mark
>
>
> On 10/07/2013 03:15 PM, Samuel Just wrote:
>
>> Sounds like it's probably an issue with the fs on the rbd disk? What
>> fs was the vm using on the rbd?
>> -Sam
>>
>> On Mon, Oct 7, 2013 at 8:11 AM, higkoohk <higko...@gmail.com> wrote:
>>
>>> We use ceph as the storage of kvm .
>>>
>>> I found the VMs errors when force umount the ceph disk.
>>>
>>> Is it just right ? How to repair it ?
>>>
>>> Many thanks .
>>>
>>> --higkoo
>>
>>
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