Hitachi Compute Blade 2000, User Manual

Page: 263 / 1927

212
5
Server B
lad
e S
etup
9 Click Next .
The following screen appears:
10 Specify the RAID level, stripe size, read policy, write policy, and disk array size.
Set the values for each item in the following table.
Item Content Setting value **
RAID Level RAID Level [RAID 10]
Stripe Size *1 Stripe size 2 KB / 4 KB / 8 KB / 16 KB / 32 KB / [64 KB] / 128 KB
Access Policy *1 Access policy [RW (reading and writing)] /
Read Only (reading only) /
Blocked (access denied)
Read Policy Read policy [Normal (no advanced reading)] /
Ahead (always advanced reading) /
Adaptive (advanced reading only in the event of
sequential access)
Write Policy *2 *3 Write policy [Write Through (write cache invalid)] /
Always Write Back (write-cache valid) /
Write Back with BBU (Write cache is valid only when
the battery is installed.)
IO Policy *1 Read-cache operation [Direct (reading from the cache at a cache hit)] /
Cached (always reading from the cache)
Drive Cache *1 Setting the hard disk
cache
[Disable (setting invalid)] / Enable (setting valid) /
No change (depending on the hard disk setting)
Disable BGI *1 *4 Setting the background
initializing
No (background initializing valid) /
[Yes (background initializing invalid)]
Select Size *5 *6 Size of a disk array Entering the maximum capacity value.