Triple Parity Raid Deferred Update; Dedup Deferred Update - Oracle ZFS Storage Appliance Service Manual

stored with each LUN is severely limited, and may even be zero. Applying this update is
equivalent to upgrading the on-disk ZFS pool to version 16.
Related Topics
Applying Deferred Updates BUI,
■
"Understanding Deferred Updates" on page 352
■

Triple Parity RAID Deferred Update

This update provides the ability to use the triple-parity RAID storage profile, RAID-Z with
three parity sectors per stripe. Triple-parity offers increased protection against drive failures and
additional overall availability.
In order to use this mode, the storage pool must be upgraded. If you choose not to upgrade the
pool and attempt to use this property, you will get an error indicating that the storage pool needs
to be upgraded first. There is no other implication of applying this update, and it can be ignored
if there is no need to use this new setting. Applying this update is equivalent to upgrading the
on-disk ZFS pool to version 17.
Related Topics
Applying Deferred Updates BUI,
■
"Understanding Deferred Updates" on page 352
■

Dedup Deferred Update

This update provides the ability to use data deduplication. In order to use this mode, the storage
pool must be upgraded. If you choose not to upgrade the pool and attempt to use this property,
you will get an error indicating that the storage pool needs to be upgraded first. There is no
other implication of applying this update, and it can be ignored if there is no need to use this
new setting. Applying this update is equivalent to upgrading the on-disk ZFS pool to version
21.
Related Topics
Applying Deferred Updates BUI,
■
"Understanding Deferred Updates" on page 352
■
CLI
CLI
CLI
Triple Parity RAID Deferred Update
Deferred Updates 347