Veeam Agent apply on CentOSvm + KVM/QEMU + Ceph block device

[yiw]

Hi Everyone,

I have CentOS vm running on top of KVM/QEMU, it has 3 virtual disks which provide by Ceph block device. Is it suitable for Veeam Linux Agent to back up all 3 disks and restore all together from bare metal?

Here is lsblk, vda/vdb/vdc are all Ceph block device:

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 252:0 0 16G 0 disk
├─vda1 252:1 0 500M 0 part /boot
└─vda2 252:2 0 15.5G 0 part
├─centos-swap 253:0 0 1.6G 0 lvm [SWAP]
└─centos-root 253:1 0 13.9G 0 lvm /
vdb 252:16 0 460G 0 disk
└─DataPool-DataPool 253:3 0 460G 0 lvm /usr/local/lib/DataPool
vdc 252:32 0 550G 0 disk
└─DBArchivePool-DBArchivePool 253:2 0 550G 0 lvm /usr/local/lib/db_archive

I will try to deploy this weekend.

Thank you!

[nielsengelen]

Multiple tests have been done with KVM/Qemu without an issue. I haven't tried it via Ceph block device but I presume it will work (keep in mind this is a beta). Please let us know your feedback! Looking forward to it.

[PTide]

Hi,

What format of virtual disk do you use, is it qcow2 or some other format? Do you map RBD as a block device or just access an image as a virtual block device directly via librbd? Also since ceph block devices are thin provisioned I expect that during restores VAL might attempt to restore the whole provisioned amount of space so it is a subject to test.

Thanks

[yiw]

Hi Pavel,

Virtual disk format is RAW. The VM is not aware of RBD, the hypervisor (KVM/Qemu) access the image via librbd.

I performed entire machine backup to NFS (an ubuntu server) and recovery file from it (Veeam mount it to /tmp/backup) without any issue.

Then I shutdown old VM, start a new one and boot from Veeam recovery iso to test baremetal recovery but got error:


I tried to follow the instruction to mount NFS manually but no luck.


any idea please?

Thank you!

Yi

[PTide]

Hi,

That's a known bug with NFSv3 in Recovery Media, it will be fixed in GA. Please either switch to v4 on the server side or move the backup to some other storage.

[yiw]

Hi,

What format of virtual disk do you use, is it qcow2 or some other format? Do you map RBD as a block device or just access an image as a virtual block device directly via librbd? Also since ceph block devices are thin provisioned I expect that during restores VAL might attempt to restore the whole provisioned amount of space so it is a subject to test.

Thanks

Hi

I switched to a Synology box and performed bare metal restore successfully.

You're right, VAL restore the whole provisioned amount of space.

Thank you!

Yi

[edh]

@yiw , are you doing backup of a Openstack/Promox Envirioment?

[nielsengelen]

Hi @edh,

As this topic is 5 years old and the original post back then was about the beta, things have changed a lot. Could you post your question (either here or in a new topic) so we can assist you?