How do I delete a ZFS dataset?

How do I delete a ZFS dataset?

To destroy a ZFS file system, use the zfs destroy command. By default, all of the snapshots for the dataset will be destroyed. The destroyed file system is automatically unmounted and unshared. For more information about automatically managed mounts or automatically managed shares, see Automatic Mount Points.

How do I delete ZFS pool proxmox?

How to: Easily Delete/Remove ZFS pool (and disk from ZFS) on Proxmox VE (PVE) Make it available for other uses

1. Login to Proxmox web gui.
2. Find the pool name we want to delete, here we use “test” as pool, “/dev/sdd” as the disk for example.
3. Launch Shell from web gui for the Proxmox host/cluster or via SSH.

How do you clean ZFS?

How To Delete Files on a ZFS Filesystem that is 100% Full

1. increase the quota if there is space in the zpool left.
2. Shrink the size of a zvol.
3. temporarily destroy a dump device (if the rpool is affected)
4. delete unused snapshots.
5. increase the space in the zpool by enlarging a vdev or adding a vdev.

What is pool in ZFS?

Instead of forcing you to create virtualized volumes, ZFS aggregates devices into a storage pool. The storage pool describes the physical characteristics of the storage (device layout, data redundancy, and so on) and acts as an arbitrary data store from which file systems can be created.

How do I delete all ZFS snapshots?

To find the used snapshot space, run:

1. zfs list -o space. To delete all ZFS snapshots, run:
2. zfs list -H -o name -t snapshot | xargs -n1 zfs destroy. Failed to delete dataset: cannot destroy snapshot dataset is busy.
3. zfs holds raid/[email protected]”
4. zfs release -r freenas:repl raid/[email protected].

How do you delete a snapshot on ZFS?

Note: To create a recursive snapshot, use zfs “snapshot -r” and the snapshot name (for example, zfs snapshot -r datapool/home@now). To destroy a ZFS snapshot, use the zfs destroy command followed by the snapshot name. In the example below, you are destroying the snapshot named datapool/home/user@friday.

How do I unmount in ZFS?

You can unmount ZFS file systems by using the zfs unmount subcommand. The unmount command can take either the mount point or the file system name as an argument. The unmount command fails if the file system is busy. To forcibly unmount a file system, you can use the -f option.

How do I delete storage on proxmox?

How to: Delete mounted or unmount directory/folder from Proxmox (PVE) (and make it ready for other uses)

1. Login to Proxmox host via web Shell or SSH.
2. Navigate to Datacenter -> Storage, delete the directory first.

How do I rollback a ZFS snapshot?

To roll back to an earlier snapshot, all intermediate snapshots must be destroyed. You can destroy earlier snapshots by specifying the -r option. If clones of any intermediate snapshots exist, the -R option must be specified to destroy the clones as well.

How do I access ZFS snapshots?

Snapshots of file systems are accessible in the . zfs/snapshot directory within the root of the file system. For example, if tank/home/ahrens is mounted on /home/ahrens , then the tank/home/ahrens@thursday snapshot data is accessible in the /home/ahrens/. zfs/snapshot/thursday directory.

How do I list ZFS snapshots?

To list the snapshots created for a specific file system, enter zfs list -r -t snapshot followed by the file system name. In the example above, the snapshots created for the file system rpool/export/home are listed. This information is displayed by using the name and creation properties.

How do I mount a ZFS file system?

File systems are mounted under /path , where path is the name of the file system. You can override the default mount point by using the zfs set command to set the mountpoint property to a specific path. ZFS automatically creates the specified mount point, if needed, and automatically mounts the associated file system.