3-93
container Commands
Table 3-5
summarizes the values for the
/write_cache_enable
and
/unprotected
switches:
Examples
Before setting cache parameters for a specific array, use the
container list
command
to obtain information about any
existing arrays.
As the following example shows, there is an array 0 (a volume set)
on this controller with no file system on it (as evidenced by
None
displayed in the
Usage
column):
AAC0>container list
Executing: container list
Num
Total
Oth Stripe
Scsi
Partition
Dr Label Type
Size
Ctr Size
Usage C:ID:L Offset:Size
-- ----- ------ ------ --- ------ ------- ------ -------------
0
Volume 15.0MB
None
0:02:0 64.0KB:
15.0MB
Table 3-5 Switch Values and Results
/write_cache_enable
Switch Setting
/unprotected
Switch Setting
Result
FALSE
FALSE
The
NVRAM write-back cache
setting for the specified array is
disabled.
FALSE
TRUE
Not allowed. An appropriate error
message displays.
TRUE
FALSE
The
NVRAM write-back cache
setting for the specified array is
enabled when protected. This means
the controller enables the array’s
NVRAM write-back cache
only
if a battery is present and its status is
OK.
TRUE
TRUE
The
NVRAM write-back cache
setting for the specified array is
enabled always. This means the
controller forces the enabling of the
array’s
NVRAM write-back
cache
even if write data could be
lost due to no battery or a bad
battery.
Summary of Contents for AAR-2020SA
Page 1: ...R Command Line Interface Reference Guide...
Page 107: ...3 76 container Commands container extend file_system page 3 40 container list page 3 50...
Page 170: ...4 24 controller Commands Related Commands controller commands controller details page 4 2...
Page 220: ...7 4 logfile Commands Related Commands logfile commands logfile end page 7 2...