ZFS pool disk failure but disk looks fine

ZFS pool disk failure but disk looks fine : r/zfs - Reddit

I have a ZFS pool with 4 disks on Ubuntu (zfsonlinx). All the disks are connected via SATA cables on a secondary controller that I bought. It now hosts Plex ...

ZFS pool disk failure but disk looks fine - Stack Overflow

I have a ZFS pool with 4 disks on Ubuntu (zfsonlinx). All the disks are connected via SATA cables on a secondary controller that I bought. It now hosts Plex ...

What does a hard disk failure in a ZFS pool look like, and what do ...

FreeNAS as of version 9.2.1.8 DOESNOT support "hot spare". Spares configured in a zpool can be manually pushed to replace a failed drive but ...

[SOLVED] - ZFS Pool lost after disk failure - Proxmox Support Forum

Good news then - did you try zpool import -f and then zpool export ZFSDrives ? If the drive has logged errors due to a bad cable - usually CRC ...

ZFS pool faulted after single disk failure | The FreeBSD Forums

Either the drive has an intermittent fault, or the hanging was due to some other problem, such as the ZFS information on the disk being corrupt.

ZFS device fault for pool, but drive seems fine. | TrueNAS Community

Try swapping drives and see if the problem follows the cable or the drive.

Understanding and Resolving ZFS Disk Failure

ZFS will know when a drive hits a limit on a number of errors and will automatically take it out of the pool. This can happen for any type of ...

How to tell which physical drives are failing in a degraded Proxmox ...

Firstly, view the status of your zfs pool with the “zpool status -v” command. Here's what my output looked like. I know, not good! (note: if you ...

Pool degraded, but disk is ok, what is the problem? - TrueNAS

Then it failed with "wrong disk id" or something. I think it has to do something with the disk, which is the same as before and not a new one ...

Help with diagnosis: zfs read/write errors, but drives seem okay

A zpool clear restores the pool to a working state, and it's usually not the same drives that have this issue again a few minutes later. All ...

Checking for a failed drive in a ZFS pool

Everything is working fine. To simulate a disk failure, I've ... failed or been removed, but ZFS doesn't seem any the wiser. Can ...

How zfs helped me to survive 4 hard disk crashes in a row

So, starting in January I got a SMART error for one of the HDD disks. I was like uh-oh, but so far the zpool status was looking fine and no ...

How to Replace a Failed Disk in a ZFS Pool on Proxmox - YouTube

I walk through the process of replacing a failed disk in a ZFS pool on a Proxmox server. This is something you might face if you're running ...

ZFS Disk Failure and Recovery - YouTube

My journey over the past few weeks dealing with and attempting to recover a 'failed' hard drive in my 3-year-old ZFS pool using 4x ...

Resolving ZFS Storage Device Problems

If a device cannot be opened, it displays the UNAVAIL state in the zpool status output. This state means that ZFS was unable to open the device when the pool ...

ZFS pool faulted "too many errors", but no errors?

Seems very odd, almost like something was done to clear the error states. Take a backup of it right away (just to be safe). Then do a zpool ...

RAIDZ1: unable to replace a drive with itself · Issue #2076 · openzfs/zfs

You didn't corrupt the disk enough. The dd left the 3rd and 4th copies of the labels intact so it's still being recognized as a part of the pool ...

My first disk failure w/ ZFS using RAIDZ1! Panic! | JonKensy.com

The volume StoragePool (ZFS) state is DEGRADED: One or more devices could not be opened. Sufficient replicas exist for the pool to continue ...

Mounting a damaged #ZFS Pool disk to recover data

Unplugging the data drive from the machine and rebooting it, the node came up just fine. I plugged the drive into my laptop and ran zpool import ...

ZFS on USB drives (I know it's a bad idea, but how bad is it really?)

More recently the drive intermittently throws IO errors and zfs suspends the pool. I'll reboot and scrub and typically it's fine, sometimes it's ...