Questions tagged [zpool]
109 questions
2
votes
1 answer
How to delete the pool with state = Faulted?
I have a pool named test_pool and i can only see it when "zfs import" is run. How can i delete this pool and detach associated device from it ?
# zpool import
pool: test_pool
id: 13538020891587345121
state: FAULTED
…
sherpaurgen
- 616
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- 26
2
votes
1 answer
mdadm reclaimed my zfs storage pool
I recently converted a mirrored mdadm partition on Ubuntu 16.04 to a zfs mirrored pool, or so I thought.
After a few days of using the zfs pool, I rebooted the system and the zfs pool disappeared.
"zpool list" does not list the lost zpool. It only…
user13097
- 221
- 2
- 7
2
votes
1 answer
ZFS disk in two pools after reboot?
I'm pretty new to ZFS, so perhaps I'm reading this wrong.
After rebooting my server I had to reimport my pool, and upon doing some was presented with this state:
# zpool status -v
pool: data
state: DEGRADED
status: One or more devices could not…
Sam Martin
- 2,044
- 2
- 13
- 10
2
votes
1 answer
zfs change block size without going offline
Given a raidz1 vdev on FreeBSD 10 with this config:
root@gw:~ # zpool status
pool: data
state: ONLINE
status: One or more devices are configured to use a non-native block size.
Expect reduced performance.
action: Replace affected devices…
nagylzs
- 759
- 3
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- 23
2
votes
2 answers
ZFS pool members start sectors overwriten, including partition table and L0 L1 labels. Data and L2 L3 labels intact. How to recover?
Have two identical 2Tb disks in mirror ZFS pool. Unfortunately, overwriten start of disks with errorneus attempt to attach them via HP Smartarray P400 RAID controller as separate RAID0 logical volumes who writen it's own metadata there.
Partition…
Koguni
- 41
- 4
2
votes
2 answers
Can I choose a sparse file as vdev for a zfs pool?
man zpool states that a vdev for a zfs pool can be a "regular file". Can I specify a sparse file (the warning about the integrity of the file being determined by the underlying filesystem should apply with the same relevance for a sparse file)?
The…
Kalle Richter
- 268
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- 18
2
votes
1 answer
Why is the size of a zfs filesystem after sending it to a different pool different?
I've move a zfs filesystem from a pool made of a bunch or mirror vdevs to another pool made of two raidz1s with the following command
# zfs send -R pool/project@moving | zfs recv tank/project
As far as I understood the manpage, '-R' moves all the…
Clayton Louden
- 333
- 1
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- 16
2
votes
2 answers
Cannot create zpool, how to get rid of intel raid volume?
This is a FreeBSD 9.1 amd64 computer. It has 5 disks installed. The ada0 and ada1 disks are used with a hw raid to provide the root filesystem:
root@gw:/home/gandalf # ls /dev | grep ada
ada0
ada1
ada2
ada3
ada4
root@gw:/home/gandalf # zpool status
…
nagylzs
- 759
- 3
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- 23
2
votes
1 answer
ZFS root pool free space
I have an openindiana (oi_151a7) box where I used 30GB for the root partition during installation. This has become rpool1. I cannot figure out how to make the remaining 202 GB available. Looking for suggestions. My partition table as…
Jepper
- 366
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- 13
2
votes
1 answer
Disk replace breaks disk naming convention in zpool
After replacing two broken disks in my RAID-Z2 pool, the output of zpool status looks strange. The disks are addressed with their full path and also seem to contain 'slices', which all other disk don't.
I entered these commands to replace the broken…
b2c
- 21
- 3
2
votes
1 answer
Move data from root ZFS into child filesystem
I have a zpool (pool verion 13, FS version 3, called tank0) with about 2.5TB of data in the root of the pool (i.e. directly in /mnt/tank0). OS is FreeBSD, actually FreeNAS version 0.7.2.
I would like to move all of that data to a child filesystem…
tomfanning
- 3,378
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- 34
2
votes
0 answers
Issue with Volume Mounting after Server Restart
Originally on bkp-01 instance. The server and disk have manually been set to a different availability zone. The disk are running zfs for backups/snapshots. It's an old server with a manual Raid system.
Now if we check :
root@bkp-01:~# cat…
santosh baruah
- 39
- 1
- 5
2
votes
2 answers
Does the ZFS scrub support parallelization for increased performance, e.g., with a 64-core AMD Threadripper Pro?
I have a 24 drive zpool comprised of 3 RAIDZ1 vdevs running 8 Seagate Exos X18 16TB drives per vdev. This is on a Supermicro MB with a 64-Core (128 thread) AMD Threadripper Pro and 256GB ECC RAM.
System utilization during scrubs shows at most 2 CPUs…
docBrian
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- 2
2
votes
2 answers
Errors on a zpool filesystem
I'm using ZFS on a Debian 9 machine.
This machine has been working for years without any problem until today.
The zfs pool is mounted on top of a RAID system, controlled by hardware (so only one drive is exposed to Linux as sda). You can see the…
marolafm
- 123
- 3
2
votes
2 answers
ZFS pool corrupted
I am running proxmox (7.1-10) and a number of VMs. I accidentally forced to import from proxmox a ZFS pool that was being used by a VM (truenas 12.0-U7) with:
zpool import -f Pool-1
The command returned blank, and I thought I was ok.
I then rebooted…
rnng
- 31
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