NEC Express 5800/320Lb - Manual (Page 76)

3-2
HARD DISK CONFIGURATIONS THAT CAN BE BUILT
ON THE NEC Express5800/ft series
In the NEC Express5800/ft series, all built-in disks need RAID configuration. Configure RAID 1
using software for the NEC Express5800/ft series.
The hard disks on the same slot location of the PCI module configure RAID. In the following figure,
disks in Slot 1, Slot 2 and Slot 3 of Group 1 are paired with disks in Slot 1, Slot 2 and Slot 3 of
Group 2 respectively to configure RAID.
The following indicates the device names of built-in SCSI disks for each SCSI disk slot. Use these
device names for all operations of each built-in SCSI disk.
Slot No of PCI
module
Device name
Slot 1 for Group 1 sda
Slot 2 for Group 1 sdb
Slot 3 for Group 1 sdc
Slot 1 for Group 2 sdd
Slot 2 for Group 2 sde
Slot 3 for Group 2 sdf
IMPORTANT:
When adding disks or reconfiguring RAID, the status of each disk becomes “RESYNCING” or
“RECOVERY”. Do not insert/remove disks, turn off the power, or restart the system during this
status. Wait until the status of “RESYNCING” or “RECOVERY” is finished. You can check the
status of RAID using ftdiskadm described later. For details, see the separate volume of User’s
Guide (Setup).
The SD device, described previously is used to configure RAID 1.
IMPORTANT: Two hard disk drives which configure RAID 1 must have the same disk
capacity. Also, two hard disk drives must have the same logical structure.
Group 1
Group 2
Slot 2 Slot 3 Slot 1
Slots used for mirroring process