RAID Array 410 to 450 Upgrade
2–18
EK–SM410–UP. A01
2.9.5 Recreate Units
Recreate the units recorded earlier in the Logical Unit Table (Table 2–1). The existing
chunksize will be maintained in the new controller. The chunksize cannot be changed
because you cannot use the “initialize” command.
HSZ> add unit [
LUN] [uses]
Use the
add unit
command once for each [
LUN
] entry in the table.
2.9.6 Enable Previous Options
View the units just created.
HSZ> show unit full
Compare all the parameters in this listing with the Logical Unit Table (Table 2–1).
Change the unit settings to be the same as those listed in the table using the
set
command where necessary.
The format of the
set
command for each item in the Logical Unit Table (Table 2–1) is
shown below for easy reference. Use only the entries that pertain your configuration.
RUN
HSZ> set [
LUN] run
HSZ> set [
LUN] norun
WRITE_PROTECT
HSZ> set [
LUN] write_protect
HSZ> set [
LUN] nowrite_protect
WRITEBACK_CACHE
HSZ> set [
LUN] writeback_cache
HSZ> set [
LUN] nowriteback_cache
READ_CACHE
HSZ> set [
LUN] read_cache
HSZ> set [
LUN] noread_cache
MAXIMUM_CACHED_TRANSFER_SIZE
HSZ> set [
LUN] maximum_cached_transfer_size=[number]
where [
number
] is 1 through 1024.
