[[zfs_swap]]
-.SWAP on ZFS
+SWAP on ZFS
+~~~~~~~~~~~
Swap-space created on a zvol may generate some troubles, like blocking the
server or generating a high IO load, often seen when starting a Backup
|===========================================================
[[zfs_encryption]]
-.Encrypted ZFS Datasets
+Encrypted ZFS Datasets
+~~~~~~~~~~~~~~~~~~~~~~
ZFS on Linux version 0.8.0 introduced support for native encryption of
datasets. After an upgrade from previous ZFS on Linux versions, the encryption
-feature needs to be enabled per pool:
+feature can be enabled per pool:
----
# zpool get feature@encryption tank
It is also possible to use a (random) keyfile instead of prompting for a
passphrase by setting the `keylocation` and `keyformat` properties, either at
-creation time or with `zfs change-key`:
+creation time or with `zfs change-key` on existing datasets:
----
# dd if=/dev/urandom of=/path/to/keyfile bs=32 count=1