ZFS RAID 10 on Ubuntu 24.04: Issues with /dev/disk/by-id/
I'm having a small issue with a Github Repository that I created. The intent of the Repository was to automatically install Ubuntu 24.04 on a ZFS RAID 10. I chose ZFS RAID 10 as this is meant to...
View ArticleHow to replicate ZFS-based PVCs created by OpenEBS LocalPV CSI across nodes...
I have a multi-region, bare-metal Kubernetes cluster that uses Tailscale and flannel for cross-node networking. For storage, I’m using the OpenEBS LocalPV ZFS CSI driver on two specific worker nodes,...
View ArticleZFS Rollback not including all files
I messed up and accidentally deleted a everything in a dataset of many subdirectories. Luckily I have daily snapshots and nothing had changed so I did a rollback to the most recent snapshot. After the...
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Rollback to a previous proxmox snapshot without losing the current zfs snapshot?
Using proxmox with ZFS storage pools, is it possible to restore an LXC container or QEMU Virtual Machine to an earlier snapshot (not the most recent snapshot) without losing or destroying any...
View ArticleWhy does calling chown and chmod that does not change anything create...
On our server we have got a cron job that regularly calls chown and chmod for a directory in a ZFS file system. Usually that does not change the user and the rights because the directory already has...
View ArticleMounting ZFS drive with Proxmox
I am being challenged with an encrypted hard drive that is not mounting on Proxmox. The drive is LUKS encrypted and it is a ZFS file system. The name of the drive in question is /dev/sdc It is worth...
View ArticleZFS - enable or disable disk cache?
I'm setting up ZFS (through FreeNAS) with RAIDZ1 on a server with 4 x WD Red SATA HDDs (connected through a PERC H330 in HBA mode).The server is hooked to a UPS.For ZFS and in this setup, does it make...
View ArticleShould datasets be mounted inside directories in ZFS for Linux?
On my recently set up machine I use ZFS under Linux Mint (LMDE 6) for creating storage pools and using the ZFS filesystem.The specific storage setup is four 1 TB HDD arranged in RAID-Z2 topology.The OS...
View Articlezfs recv keeps trying to make another subpool with the same name on...
I'm having a weird issue with zfs incremental snapshots. Let's say I have the following volumes. kirssy is the backup for abby:NAME USED AVAIL REFER MOUNTPOINTabby 8.20T 4.40T 192K /mnt/abbyabby/main...
View ArticleDocker stuck on zfs clone
I have a /var/lib/docker on zfs dataset, and docker create many legacy datasets.Now when I try to start any app in docker it stuck on zfs clone.on iostat disk don't have any load (other dataset on same...
View ArticleHow to backup Truenas Core (ZFS) snapshots to S3
I am happy I just setup a cloud sync task on my Truenas Core to S3. All seems good. However, I understand this is merely a filecopy/sync task and doesn't it make more sense to use the ZFS superpowers...
View ArticleZFS Pool FAULTED - The pool cannot be imported due to damaged devices or data
Ive been recently testing/running zfs with no issues until today when carrying out some scheduled server maintenance (reboot) to find the pool has faulted upon reboot.Ive tried to force import but i...
View ArticleZFS very slow write speed [closed]
I've set up ZFS on OpenSUSE Tumbleweed, on my T430 server using 8x SAS ST6000NM0034 6TB 7.2K RPM drives. The ZFS pool is setup as RAIDZ-2 and the dataset has encryption.I'm getting very slow writes to...
View ArticleUpgrade ZFS from 0.8 to 2.3.0 version
I'm going to upgrade an old server from ZFS 0.8 to version 2.3.0 and want to clarify a few key points before proceeding.If anyone has experience upgrading from 0.8 to 2.3.0, I’d greatly appreciate your...
View ArticleZFS Recover from Faulted Pool State
I have a six disk ZFS raidz1 pool and had a recent failure requiring a disk replacement. No problem normally, but this time my server hardware died before I could do the replacement (but after and...
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ZFS array experiencing errors after hardware upgrade
I upgraded the system board, CPU, and RAM of our main server. The server does weekly scrubs and twice weekly backups to the backup server. I created a fresh snapshot and pushed it to the backup server...
View ArticlePooled storage with varying redundancy per file system
I have some files that I want stored mirrored. I have some files that I only need single copies (i.e. scratch data, easily regenerated data, etc). And I have some files that are so critical, I want it...
View ArticleImport ZFS with faulted device, missing ZLog and corrupted data on a foreign...
I have an Ubuntu 24.04 Server with 4x4TB SSD in a Raid5, an additional NVME as ZIL. Now, for unclear reasons, the server became unbootable and I plugged all disks into another Server. I still cannot...
View Articleupgrading zfs-linux with active zpool and /home mounted to it
I am running zfs-linux on a Linux Mint (LMDE 6) machine for maintaining a RAID-Z2 storage.The home directory is its own dataset with mountpoint=/home.zpool/home cannot be unmounted by non-root user....
View Articlezfs/zpool - how to remove hole in vdev_tree?
I have a zpool in use with a single mirror vdev. I needed more space, so I hooked up some more disks and added a second mirror vdev. Easy enough, now I have a zpool with mirror-0 and mirror-1 vdevs.But...
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