What is the proper procedure for expanding the “blockSD” volume in our ovirt
4.5.6 cluster? We’ve started getting "No space left on device” errors when
trying to clone a snapshot into a VM for backup purposes.
Here’s the error:
———
VDSM lnxvirt06 command HSMGetAllTasksStatusesVDS failed: value=low level Image
copy failed: ("Command ['/usr/bin/qemu-img', 'convert', '-p', '-t', 'none',
'-T', 'none', '-f', 'qcow2', '-O', 'qcow2', '-o', 'compat=1.1',
'/rhev/data-center/mnt/blockSD/86867486-e14e-4ff4-bf7c-1b0c94816032/images/211e91b0-2c72-45ad-90ca-badc63cb03f3/0a1b650f-8ab5-4eef-bee0-ea557c6eeb9f',
'/rhev/data-center/mnt/blockSD/86867486-e14e-4ff4-bf7c-1b0c94816032/images/a2d4cef1-0342-41c0-85c2-e1b2ba6768b1/017e6d7e-4016-4108-8edc-188d8096a719']
failed with rc=1 out=b'' err=bytearray(b'qemu-img: error while writing at byte
3220937441280: No space left on device\\nqemu-img: Failed to flush the refcount
block cache: No space left on device\\n')",) abortedcode=261
———
And here’s what the host OS shows:
———
[root@lnxvirt06 ~]# df -h |grep rhev
ovirtfs:/mnt/ovirtbackup 75T 36T 40T
47% /rhev/data-center/mnt/ovirtfs:_mnt_ovirtbackup
/dev/mapper/86867486--e14e--4ff4--bf7c--1b0c94816032-master 975M 84K 924M
1% /rhev/data-center/mnt/blockSD/86867486-e14e-4ff4-bf7c-1b0c94816032/master
———
Please let me know if there’s any more information I can provide.
Many thanks,
Devin
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