Non-Raid Drive Detection Scheme - Compaq dc5850 - Microtower PC Use Manual

Non-RAID Drive Detection Scheme

Operation
Add blank HDD (hard disk
drive)
Add HDD with MBR and
MDD
Add HDD with MBR and no
MDD
Add HDD with MDD and no
MBR (once as a LD but has
been deleted)
Add HDD with MDD and no
MBR
*You can "clean" a HDD by selecting Secure Erase in SB700 Option ROM to make sure no MBR or MDD data is left on the
HDD before testing.
** Spare Drive can be configured from RAIDXpert. It will write a flag into MDD for driver and Option ROM to recognize it as
Spare Drive.
MBR = Master Book Record
MDD = Meta Data, i.e. previous RAID configuration information
JBOD = Just a bunch of drives
LD = Logical Drive
RAID 1 or 0 Working
Add HDD as RAID Ready
Add HDD as whatever RAID
mode defined in the MDD of
the HDD
Add HDD as JBOD
Add HDD as RAID Ready*
Add HDD as Spare Drive**
System Condition
RAID 1 Degraded
Add HDD as Raid Ready*
(RAID 1 auto-rebuild when
hotplug blank HDD only)
Add HDD as whatever RAID
mode defined in the MDD of
the HDD
Add HDD as JBOD
Add HDD as RAID Ready*
(RAID1 auto-rebuild when
hotplug blank HDD only)
Auto-rebuild (RAID1 auto-
rebuild can directly work with
Spare Drive)
No RAID Configured
Add HDD as RAID Ready
Add HDD as whatever RAID
mode defined in the MDD of
the HDD
Add HDD as JBOD
Add HDD as RAID Ready*
Add HDD as Spare Drive**
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