Step C-2: Set Dual Disk Configuration - NEC Express5800 320Lb User Manual

Step C-2: Set Dual Disk Configuration

If you are performing "Setup Procedure When Powering on the NEC Express5800/ft series for the
First Time", go to "Step C-3: Connect and Configure Options" (4-19).
At the time of shipment of the NEC Express5800/ft series, the following settings have been already
made so that you can use the server immediately after the purchase.
NEC Express5800/ft series secures data by making disks to RAID configuration.
NEC Express 5800/ft series is set up to automatically set dual configuration of the built-in disk for
boot in either status; when you purchased the server, or immediately after Linux for NEC
Express5800/ft series was installed to the server. However, make sure to check the status of dual
disk configuration to prevent unexpected problems. If needed, set dual disk configuration.
IMPORTANT:
Express5800/ft series for the First Time", this step is not needed as the dual disk
configuration has already been configured. Go to "Step C-3: Connect and Configure
Options" (4-19).
TIPS:
To set dual disk configuration, you need to log in as a root user.
IMPORTANT:
Make sure to set RAID not only when installing an operating system but also when
adding disks or reconstructing RAID.
When adding disks or reconstructing RAID, the status of each disk becomes
"RESYNCING" or "RECOVERY". Do not remove disks, turn off the power, or restart
the system during this status. Wait until the status "RESYNCING" or "RECOVERY" is
finished. You can check the status of RAID using ftdiskadm described later.
If you are performing "Setup Procedure When Powering on the NEC
Linux Setup 4-13