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RAID 5 Configuration for new disks

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by imranhabeeb

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Hi, I have to replace the 2 failure disks with the new disks of the "Digital Storage Works RA3000" external storage for COMPAQ ALPHA SERVER ES40. The operating system is Compaq TRU 64 unix. Hard disks are configured with Raid 5. There are 5 disks of 18.2 G.

My question is do i need to configure these two new disks for Raid 5 configuration. If yes what is the method, and commands. Or just I have to hot plug them without configuring them.

thanks,

3 replies

by taegil

if 2 failure disks, I think raid5 is consisted 4 disks and 1 hot spare.

anyway you need to connect to ra3000 controller
to use serial or scsi.

1. remove one of failure disks
2. to make clear fail disk on the ra3000 graphic console.
3 insert new disk and wait 1 min.
4. you can see a new disk on the ra3000 console.
5. run reconstruct option on raid5 volume.

6. when the raid5 reconstruction was finished . run between 1~4 step.
and then to make hot spare.

by imranhabeeb

Hi, thanks for your kind help. Iam having the following doubts based on your guidance:

1)How to logon or get the ra3000 graphic console.

2)When and where i should give reconstruct option.

Regards,

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