HP P3410A - NetRAID 1M RAID Controller User Manual page 65

Hp netraid series user guide
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Chapter 3
Logical Drive Settings
Auto Configuration uses the following defaults to configure your drives:
Table 3-1. HP NetRAID Config Automatic Settings for Logical Drives
Parameter
Stripe size
Write Policy
Read Policy
Cache Policy
Spanning
NOTE
Write-Back means that data is written to disk only when it is
forced out of the cache. Write-Back is efficient because an
entry may be written many times in the cache without a disk
access. While this setting increases performance, data can be
lost if power fails.
Write-Back is NOT recommended unless one of the following
is true:
Write-Back is not certified for any logical drive used as a
Novell NetWare volume.
Setting
64 KB
Write-Back in HP NetRAID-3Si and integrated
HP NetRAID in HP NetServer LH 3000/3000r,
LH 6000/6000r, and LT 6000r (See note below
table.)
Write-Through in HP NetRAID-1Si and integrated
HP NetRAID in HP NetServer LH 3/3r and LH 4/4r
Adaptive
Cached I/O
NoSpan
The HP NetRAID adapter is an HP NetRAID-3Si, which
has a Battery Backup Unit.
Your system is equipped with a UPS (uninterruptible
power supply).
Your system is an HP NetServer LH 3000/3000r,
LH 6000/6000r, or LT 6000r that is equipped with a
charged accessory Battery Backup Module.
HP NetRAID Config
59

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