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How to Apply Deferred Updates (CLI)
Support for Received Properties Deferred Update
The 2010.Q1 feature that enables administrators to customize properties on replicated shares
relies on a ZFS pool upgrade. This upgrade provides support of persistent local changes
to received properties. Before this upgrade has been applied, the system does not allow
administrators to change properties on replicated shares.
Applying this update is equivalent to upgrading the on-disk ZFS pool to version 22.
Support for Replication Deferred Update
The 2010.Q1 release stores replication configuration differently than 2009.Q3 and earlier
releases. This update migrates existing target, action, and replica configuration created under an
earlier release to the new form used by 2010.Q1 and later.
After upgrading to 2010.Q1 but before this update is applied, incoming replication updates for
existing replicas fail. Replicas received under earlier releases are not manageable via the BUI
or CLI, although they occupy space in the storage pool. Additionally, the system does not send
replication updates for actions configured on earlier releases.
After applying this update, incoming replication updates for replicas originally received on
earlier releases continue normally and without a full resync. The system also sends incremental
replication updates for actions configured under earlier releases.
Support for Dedup Deferred Update
This update provides the ability to use data deduplication.
In order to use this new mode, the storage pool must be upgraded. If you choose not to upgrade
the pool and attempt to use this new 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.
Support for 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.
Maintaining the System
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