Raidz Mirror Deferred Update; Optional Child Dir Deferred Update; Multiple Initiator Groups Per Lun Deferred Update - Oracle ZFS Storage Appliance Service Manual

RAIDZ Mirror Deferred Update

applied, the system is unable to import pools with missing log devices and does not correctly
handle replacement of resilvering devices (see CR 6782540). Applying this update is equivalent
to upgrading the on-disk ZFS pool to version 28.
Related Topics
Applying Deferred Updates BUI,
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"Understanding Deferred Updates" on page 352
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RAIDZ Mirror Deferred Update
This deferred update improves both latency and throughput on several important workloads.
Applying this update is equivalent to upgrading the on-disk ZFS pool to version 29.
Related Topics
Applying Deferred Updates BUI,
■
"Understanding Deferred Updates" on page 352
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Optional Child Dir Deferred Update

This deferred update improves list retrieval performance and replication deletion performance
by improving dataset rename speed. Before this update has been applied, the system is able to
retrieve lists and delete replications, but does so using the old, much slower, recursive rename
code. Applying this update is equivalent to upgrading the on-disk ZFS pool to version 31.
Related Topics
Applying Deferred Updates BUI,
■
"Understanding Deferred Updates" on page 352
■

Multiple Initiator Groups per LUN Deferred Update

This deferred update allows a LUN to be associated with more than one initiator group at a
time. If replicating LUNs with this update applied, also apply the update to the replication target
system(s).
Related Topics
350 Oracle ZFS Storage Appliance Customer Service Manual • July 2016
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