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SSSU Command Reference
45
Command View EVA Storage System Scripting Utility Reference Guide
NOMIRRORED_WRITEBACK
No writes are stored in mirrored caches. After the data is stored in one cache, the
write is complete. The write is complete even if a mirror copy of the cache is not
available.
write is complete. The write is complete even if a mirror copy of the cache is not
available.
OS_UNIT_ID=
The ID that is presented to the host operating system. If set to zero, no ID is
presented to the host.
presented to the host.
PREFERRED_PATH=
The preferred controller path that is specified to handle all I/O for the virtual
disks. If a controller fails, the path always reverts to the working controller.
disks. If a controller fails, the path always reverts to the working controller.
■
PATH_A_BOTH—Controller path A fails over to controller B. When
controller A restarts, the virtual disks fail back to controller A. This is
failover/failback mode.
controller A restarts, the virtual disks fail back to controller A. This is
failover/failback mode.
■
PATH_A_FAILOVER—Controller path A fails over to controller B. When
controller A restarts, the virtual disks do not fail back over to controller A.
This is failover-only mode.
controller A restarts, the virtual disks do not fail back over to controller A.
This is failover-only mode.
■
PATH_B_BOTH—Controller path B fails over to controller A. When
controller B restarts, the virtual disks fail back to controller B. This is
failover/failback mode.
controller B restarts, the virtual disks fail back to controller B. This is
failover/failback mode.
■
PATH_B_FAILOVER—Controller path B fails over to controller A. When
controller B restarts, the virtual disks do not fail back over to controller B.
This is failover-only mode.
controller B restarts, the virtual disks do not fail back over to controller B.
This is failover-only mode.
NOPREFERRED_PATH
Allows the I/O to be handled by either controller.
READ_CACHE
Reads are satisfied from the controller’s cache.
NOREAD_CACHE
Reads are always satisfied from the physical disks, not the controller’s cache.
REDUNDANCY=
The amount of data protection set when creating the virtual disk. If not specified,
the default is Vraid0.
the default is Vraid0.