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5–90 CLI Commands
IMMEDIATE_SHUTDOWN
NOIMMEDIATE_SHUTDOWN (Default)
Instructs the controller whether to flush the write-back cache or not.
CAUTION: The IMMEDIATE_SHUTDOWN switch instructs the controller
to immediately shut down, without regard to any data contained within
write-back cache. See “Fault-Tolerance for Write-Back Caching,” page
1–22, for considerations when implementing write-back cache. Do not
perform any hardware changes until the controller flushes the cache.
Select IMMEDIATE_SHUTDOWN to instruct the controller to run the self-test
program immediately without checking for online devices or without flushing user
data from write-back cache to devices.
Select NOIMMEDIATE_SHUTDOWN to instruct the controller to flush data from
write-back cache before running the self-test program.
Examples
This example shows how to start the self-test program on “this controller”:
SELFTEST THIS_CONTROLLER
This example shows how to run the self-test program on the “other controller,” even if
the “other controller” cannot flush all data from the write-back cache:
SELFTEST OTHER_CONTROLLER IGNORE_ERRORS
See also
RESTART controller
SHUTDOWN controller