Questions tagged [openzfs]
21 questions
0
votes
0 answers
Persistent ZFS pool errors on Ubuntu, even after repeated scrubs
My 3-disk ZFS pool has been scrubbed several times after replacing failing disks.
"zpool status -v" provided a list of files which were deleted and removed a good number of errors.
Despite running a couple of "zpool scrub" processes to completion, I…
Paul Leyland
- 1
- 1
0
votes
0 answers
automatic mounting of encrypted zfs dataset
As a newbie to zfs, I am having trouble getting an encrypted dataset mounted during boot.
The dataset is protected with a raw key and not a passphrase.
This is how I created the zpool and the dataset:
# zpool list
no pools available
# zpool create…
th0masrad
- 43
- 4
0
votes
0 answers
ZoL+FIO Randwrite nvme bs=8k@32io = 148MiB/s?
Sorry for the title, but it's very short summary of BS that I'm looking into. Situation
I'm using ZoL 2.1.5 (from jonathonf's ppa) on Ubuntu (tried 20.04&22.04)
I have following NVMe disk
Kingston KC2500 1TB (/dev/nvme0n1) formatted as 512 (with…
Vladislav Losev
- 1
- 2
0
votes
1 answer
How can I list what zfs compression algorithms are available?
I have a zfs pool on a production system and I would like to see if it's possible to use zstd compression instead of the current gzip setting.
Is there any way to list available compression options?
yes
- 31
- 1
- 6
0
votes
1 answer
Zpool permanent error for raidz2
Problem: Zpool shows "errors: Permanent errors have been detected in the following files: tank/vms/fileserver:<0x0>
Server has six 12Tb drives in a raidz2. These are spinning drives.
Zpool shows all drives are ONLINE. There are no read, write, or…
pender
- 1
0
votes
1 answer
Does zfs zfs recv validate checksums?
It seems that zfs send includes a checksum for all included data (stated for instance here). Is this checksum automatically verified by zfs recv? I would assume it is, but I cannot find any confirmation of this. I'm planning to use zfs send/recv to…
joaerl
- 397
- 1
- 3
- 11