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тАО12-28-2004 08:21 PM
тАО12-28-2004 08:21 PM
Move disk to another Tru64 system
I have 2 ES40 machine, one is production and one is standby. Two months ago, I had done a migration that need a large disk space, so I took out the 2 disks from standby machine to production. After that, I finished the migration and get 2 disks back to standby machine. I tried rebuild the RAID 1 in these 2 disk. It seems to be fine. I try to remove the domain and fileset and create the new one. It didn't success. Did I make anything wrong? Can anyone have any hints to move the disk in this case? Many thanks.
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тАО12-28-2004 08:35 PM
тАО12-28-2004 08:35 PM
Re: Move disk to another Tru64 system
When you say you rebuild RAID1, was that:
- between the two disks you moved?
- on a backplane RAID controller?
- using LSM?
Please try to be more precise and we will help...
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тАО12-28-2004 08:49 PM
тАО12-28-2004 08:49 PM
Re: Move disk to another Tru64 system
RAID rebuild is done on a backplane RAID controller.
After I put the 2 disks back to the standby machine. The backplane RAID controller doesn't read 2 disks. So I rebuilded The RAID on these 2 disks. It is fine.
Then, I reboot the system.
I tried to create the domain and fileset. I type the command
> mkfdmn /dev/ri5c usr_backup_domain
The error message come out
==============================
The disklabel for /dev/rri5c cannot be updated.
Quitting ...
mkfdmn: can't create new domain 'usr_backup_domain'
Any comment?
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тАО12-28-2004 10:07 PM
тАО12-28-2004 10:07 PM
Re: Move disk to another Tru64 system
What version of Tru64 UNIX are you using?
Looks like there is a problem with the disklabel. I would try to recreate it using something like "disklabel -wr -t advfs re5".
However looking at the error message, it could be that there is still an issue with the disk. Perhaps you need to make the LUN available again to the host or write enable it (from the RAID controller)...
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тАО12-29-2004 12:28 PM
тАО12-29-2004 12:28 PM
Re: Move disk to another Tru64 system
The RAID controller is KZPCC controller. I am using Tru64 4.0G.
I tried to run the disklabel command
that you give me.
>disklabel -wr -t advfs rz5
The message come out
disklabel: rz5: No such device or address
It seems to be the disk doesn't exit.
Do I need to do the anything to the disk
using KZPCC console?
How can I make the LUN available again to the host or write enable it (from the RAID controller)?
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тАО12-29-2004 06:02 PM
тАО12-29-2004 06:02 PM
Re: Move disk to another Tru64 system
If you could look in the boot log (for instance from /var/adm/messages or from uerf) then you should be able to find the device. Another way of finding the device would be to give a "file /dev/rre*a" command as root. It should show up there together with the other LUN's presented by the same RAID controller".
If the device doesn't show up in the log, then you probably need to do something in the RAID controller to make it available. Haven't got the documentation at hand, so I can't tell you what the commands are.
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тАО12-29-2004 06:22 PM
тАО12-29-2004 06:22 PM
Re: Move disk to another Tru64 system
I think I have to do something in the RAID controller to let the disk show up.
I run the RAID controller using command "run bios pza0". Do you have any idea to use this console? Or do you have documentation that you can show me? Many thanks
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тАО12-29-2004 10:18 PM
тАО12-29-2004 10:18 PM
Re: Move disk to another Tru64 system
You need to find the RCU utility if you want to this offline. Depending whether you have a graphics adapter or not, you have to find the RA200RCU.EXE or RA200SRL.EXE utility on the RCU floppy. I think you probably know which one, since you said in this topic that you already built a RAID 1 out of the two drives. This is where you created the "drive group", I believe.
When you are in the RCU, you should define the "logical drive" for the "drive group". Don't forget to save the configuration when you're done.
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тАО12-29-2004 10:22 PM
тАО12-29-2004 10:22 PM
Re: Move disk to another Tru64 system
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тАО01-03-2005 08:33 AM
тАО01-03-2005 08:33 AM
Re: Move disk to another Tru64 system
Han, I had once a kzpcc, not a kzpac running under 4.0f. The device name is ri indeed. If
disklabel -wr -t advfs rz5
does not work you can try to
run bios controller name
from the console prompt.
The controller name you get with
show dev
from the console prompt.
greetings,
Michael