Some controller upgrades result in the Vendor ID in SCSI Inquiry Data changing from
LSI
to
NETAPP
. When the Vendor ID changes from
LSI
to
NETAPP
, additional steps are required on the
Windows, VMware, and AIX operating systems to reclaim devices. Steps for these operating systems
are included in this document.
If you are replacing the controllers to upgrade to a new model, keep in mind that your current storage
array might have premium features installed that the new model cannot support. For example, E2700
controllers do not support the legacy Snapshot premium feature. If you replace E2600 controllers
with E2700 controllers, and your storage array was using the legacy Snapshots feature, you must
disable that feature and delete or convert all volumes (that is, snapshots, repositories) associated with
that feature before you replace the controllers. You can convert legacy Snapshots to Snapshots.
Before you upgrade a controller-drive tray, you should disable any premium features used on your
storage array that are not supported on the new controllers.
If you change your controllers from 5x00 models to 2x00 models, your new storage array
configuration will support lower numbers of some objects (for example, volumes) in the storage
management software than your old configuration. You must make sure that your old configuration
does not exceed the object limits listed below before you replace the controller(s).
•
Maximum number of volumes - 512
•
Maximum number of partitions - 128
•
Maximum number of snapshot volumes - 512
•
Maximum number of member volumes per consistency group - 32
•
Maximum number of consistency groups - 16
•
Maximum number of views - 256
•
Maximum number of legacy RVM mirrors - 16
•
Maximum number of ARVM mirrors - 32
•
Maximum number of ARVM mirrors per mirror group - 32
•
Maximum total number or mirrors (Legacy RVM + ARVM) - 32
•
Maximum number of volume copies - 511
•
Maximum number of thin provisioned volumes - 512
•
Maximum number of drive slots in the storage array (controller-drive tray + all attached drive
trays) - 192
Upgrading or replacing all controller canisters in a controller-drive tray | 5
