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Old 03-24-2002, 10:37 AM   #1
Registered: Nov 2001
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RAID Stuff

I asked this before. Currently using RAID 1 mirroring between two 9.1 GB on Compaq Proliant using hardware raid. If i were to add another 9.1GB harddisk to upsize the /home.

Is it possible ? Any suggestion ?

Hear from all guru...
Old 03-24-2002, 11:14 AM   #2
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You would need to add another 2 drives and rebuild the array. - take a full backup, install the drives, configure raid and restore the data. this is not really anything to do with linux.
Old 03-24-2002, 12:53 PM   #3
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I've been reading up on the Proliant RAID hardware and it seems that you can add the new drive and migrate from a RAID1 to a RAID5 array - BUT you can only do this in Netware or WinNT as those are the only platforms supported by the software.

You can check out ORCA (Option ROM Configuration for Arrays) which (if you have it) is available when you start your serverAs per the manual for the 5300 Samrt array controller
When a computer system is powered on, part of the start-up sequence is the Power-On Self-Test (POST). Any array controllers in the system will be initialized while POST is running. If the array controller supports ORCA, POST will temporarily halt and an ORCA prompt will be displayed for about 5 seconds. If ORCA is not supported, the prompt will not be displayed and the system will continue with POST. While the prompt is displayed, you can press F8 to start the ORCA utility or press the ESC key to bypass ORCA immediately. Compaq Smart Array 5300 Controller Press <F8> to run the Option ROM Configuration for Arrays utility Press <Esc> to skip configuration and continue Figure 7-1. POST prompt message for ORCA After F8 has been pressed, you will see the main ORCA menu. This will allow you to select the boot controller for the system, or create, view, or delete a logical drive.
Judging by the very brief mention of it in the manual it would appear that there is not much you can do with it, but you may want to check and see for yourself.

Also - in order to migrate to RAID5 from a two-platter RAID1 you only need to add one more drive. The total storage in your RAID1 is only 9.1GB so you can easily add anywhere from 1 to twelve more 9.1GB drives.


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