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Questions tagged [zfsonlinux]

zfsonlinux provides a native Linux kernel port of the ZFS filesystem so that ZFS may run natively on Linux. It is very different from ZFS-fuse which provides ZFS on top of a userspace-filesystem layer. The ZFS On Linux project is hosted on zfsonlinux.org.

zfsonlinux provides a native Linux kernel port of the ZFS filesystem so that ZFS may run natively on Linux. It is very different from ZFS-fuse which provides ZFS on top of a userspace-filesystem layer.

The ZFS On Linux project is hosted on zfsonlinux.org.

268 questions
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ZFS - zpool replace never finishes

I have a 5 x 3TB raidz1 array on a ubuntu 14.04.1 server. Last month, one of the drives died (audible clicking). I was able to replace the drive with zpool replace RAID . That finished without issue and the pool was online…
KernelSanders
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Inplace migrating ZFS RAIDZ with 3 drives to 4 disks, when pool has more than 1/3 of free space

On creating my RAID-Z pool on ZoL I assumed, I could easily just drop-in additional disks later on. Meanwhile I learned that this is yet not possible. But... I had a similar problem on creating my initial pool. Only 4 free SATA ports, but an old…
bentolor
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Increase space of ZFS pool over iSCSI SAN, online

I have an iSCSI volume of 96GB on SAN, which has ZFS pool implemented on it. i have resized the size of SAN volume from 96 to 120GB, but the zpool list only shows the old space (96GB). how to achieve the space of 120G or resize zfs pool to utilize…
Farhan
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How do I get Ubuntu to forget about a destroyed zfs pool?

I have also asked this question over on Ask Ubuntu but I thought I'd try here as well. The details can be found at: https://askubuntu.com/questions/304822/how-do-i-get-ubuntu-to-forget-all-about-an-old-zpool I just can't get Ubuntu to forget about…
Gareth
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zfs pool with slow speed on SAS drive with high latency

We have 3 servers in a gluster pool. Each computer's spec is (Advance STOR-2 Gen 2 at OVH): AMD Ryzen 7 Pro 3700 - 8c/16t - 3.6 GHz/4.4 GHz 6 x 14 TB disk (WD DC HC 530, using CMR technologies) western Digital Documentation 2 supplemental drives…
Dboy
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Are ZFS snapshots really "free"?

I've heard many times that ZFS snapshots are "free", that because of ZFS' copy-on-write design snapshots do not consume any disk space unless data is changed, and only then the space usage is limited to the blocks which actually changed. Many…
Josh
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ZFS missing filesystem after interrupted backup

I have two filesystems in a pool, backup/nextcloud and backup/vm. Today, after a send/receive transfer was interrupted before it could finish (I was backing stuff up to these filesystems), I no longer see backup/vm, but the space it was taking up is…
levente
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zfs, zpool list no pools avaliable, and zpool import no pools available to import

I have a zpool with four disks: /dev/disk/by-id/ata-SAMSUNG_HD103SJ_S246J9AZB03256 /dev/disk/by-id/ata-SAMSUNG_HD103SJ_S2NWJ50BB01630 /dev/disk/by-id/ata-SAMSUNG_HD103UJ_S13PJ90S328545 /dev/disk/by-id/ata-ST1000DM003-1CH162_Z1D8NBZ6 I tried and…
peregrinus
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Use QLC SSDs as RAIDZ (scientific archive)?

We are building a system for the archival and scientific analysis of some weather data. The setup is redundant, with two HP DL580, Proxmox (ZoL) and some GPUs for analysis. On each server we plan 5 pools of around 50 TB. We use SSDs for density…
Benoit
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Expand existing RAID1 zpool into RAID10 zpool

I'd like to expand/convert my existing RAID1 (2x 3TB mirror) zpool to RAID10 zpool by adding 2 more 3TB HDDs without losing (or moving) data stored on my existing pool. The final result will look like 2x3TB (existing mirror) + 2x3TB (new mirror)…
MrQ
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Replace zfs pool member after reboot reordered disk paths

I created a raidz1-0 pool with three devices. Two where added by their /dev/disk/by-id ID and somehow I decided to use /dev/sdg1 for the third one. After a reboot years later, I can't get all three devices online again. Here's the current status: #…
Fredrik Wendt
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zpool fails to import raidz3 pool despite sufficient replicas available

Some users were having issues connecting to this server's share on the pool, while other's who were already on seemed to be fine. After arranging a reboot the pool failed to import once the system booted. During the reboot I noticed a drive faulted…
Louis Waweru
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Find ZFS metadata from raw disk/partiton

So, I've come across a lone disk with a ZFS partition on it. Clearly this is out of place. How can I pull some metadata off it (like the GUID or what zpool it belongs to), so I can figure out where this thing belongs. Google give me tons of…
nrb
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zpool replace ran successfully, but still recommends zpool replace. What is it telling me?

A drive failed in a raidz3 (pci-0000:03:00.0-scsi-0:0:10:0), and I replaced it with an available spare (wwn-0x5000c500858252ef): pool: darkpool state: DEGRADED status: One or more devices are faulted in response to persistent errors. …
Louis Waweru
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zfs remove device from a raid

I had a raid5 setup of three disks working up until a couple days ago, when a SATA cable acted up and left the pool on a degraded state. The disk is there, it's fine now but the system refuses to use it again. zpool status shows the degraded raid…
RedNano
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