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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.

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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
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Remove Missing Drives from ZFS Pool

After an embarrassing session trying to replace a disk in my ZFS pool, I have a bunch of entries representing disks that are no longer present in the system: NAME STATE READ WRITE CKSUM data …
Danny Roberts
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Multipass mount folder on zfs file system - Source path does not exist

I am trying to add storage to an existing Multipass VM. I created a new ZFS filesystem, mounted locally at /zfs/morespace. Then tried to mount it with multipass mount /zfs/morespace existingvm:/mnt/morespace I received the error: Source path…
wanderingcode
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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
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Is there an advantage to using discreet ZFS datasets/filesystems in a single zpool?

I have a Centos server utilizing ZFS on Linux. The disks are in a single zpool. When you type in zfs list it shows a single filesystem(?)(dataset?), tank1. NAME USED AVAIL REFER MOUNTPOINT tank1 18.4T 25.1T 18.4T …
DrKumar
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ZFS Pool Disk faulted. Offlined and replaced and now I am stuck

Original fault: pool: datastore7 state: DEGRADED status: One or more devices could not be used because the label is missing or invalid. Sufficient replicas exist for the pool to continue functioning in a degraded state. action: Replace the device…
Ashley Hill
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ZFS Transfer extremely bursty

I am testing a new ZFS configuration with z-std for log storage and storage of highly compressible files. The Array is tested on a 5 drive raidz-1 in a virtual machine on my PC which has direct access to the whole HDDs. ZFS 2.0.2 is running in a…
user3829915
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ZFS 2.0: How can I lower CPU-load on write with very slow disks and weak CPU?

I have a small 32bit-ARM-based board with three disk attached via USB 2.0. This has been running fine with ZFS 0.7.1 and 0.6.x for a long time, and I do not mind the reduced disk performance. (I am using ZFS elsewhere, I like to have this…
Martin
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ZFS entering D-State at random

I am running ZFS on Ubuntu 20.04 LTS ontop of hyper-v. At random, currently every 2-3 days, ZFS gets stuck. Samba is non-responsive, File I/O via smb to the ZFS volume ceases and actions on the shell on the volume makes the shell freeze. Ubuntu is…
user3829915
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Linux does STDOUT | STDIN piping write data to disk?

I was planning on passing encryption keys to zfs load-key pool/set through stdin. The keys passed are generated by another program in HEX format and dataset is configured to have keylocation=prompt, keyformat=hex so the key can be passed through…
The amateur programmer
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Remove a ZFS attribute instead of setting its value to default?

I added a ZFS property which was not included by default. Instead of setting it back to true (default value), is there a way to "remove" the attribute I created? root@library:~# zfs get all | grep false library/secure com.sun:auto-snapshot …
ensnare
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With a ZFS root install, which partitions need to be `canmount=noauto` and why?

With a ZFS root install, which partitions need to be canmount=noauto and why? I am looking at a fresh installation of Ubuntu 20.04 with ZFS on root. I am using these instructions on the openzfs site, but there is one thing that I don't get which is…
Stonecraft
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Daily rsync instead of RAID 1?

I'm building a small home server, and in looking at software and/or hardware RAID1 and RAID5 and ZFS and whatever, I thought, "what if I just rsync daily between the two internal drives?". What are the cost/benefits of this? I like the idea of…
Eric Wolf
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