software: Reminder: You might need
to upgrade Volume SnapMirror destination
software: filers associated with this filer. Volume SnapMirror can
not mirror
software: if the version of ONTAP on the source filer is newer than
that on
software: the destination filer.
Mon Oct 2 13:26:17 PDT [filer: download.request:notice]
Complete the installation by downloading to HA pairs or single systems.
Updated NDU requirements
Modified requirements apply for nondisruptive upgrades to Data ONTAP
8.0.3 and later 8.0.x releases.
You should avoid exceeding maximum values for the following system
elements (per storage controller) on all platforms:
Element Value
FlexVol volumes 500
The limit for N3400 storage system is 200
FlexVol volumes.
FlexVol volumes enabled for
deduplication
300
Snapshot copies Major NDU:
v 5,000, when upgrading from 7.3.2 and
earlier releases
v 12,000, when upgrading from 7.3.3 and
later releases on systems with FC or SAS
drives
v 4,000, when upgrading from 7.3.3 and later
releases on systems with SATA drives
Minor NDU:
v 20,000, when upgrading from any 8.0.x
release, regardless of drive type
The only exception is upgrades from
systems earlier than 8.0.1 with SATA drives,
where the limit is 4,000 Snapshot copies.
CPU utilization No greater than 50%
Disk utilization No greater than 50%
Additional preparation for nondisruptive upgrades
The procedures in "Preparing for nondisruptive upgrades" have been
supplemented with four new steps.
118 IBM System Storage N series: Data ONTAP 8.0.4 7-Mode Release Notes
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