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Operating System - Tru64 Unix
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Managing Hard Disk Crash

Alice Daniel
Frequent Advisor

Managing Hard Disk Crash

What is the best way to recover from a hard disk drive crash? Should I have a separate disk for multiple systems on multiple models of the alpha servers (ds20e, es40s and es45)? Would cloning work and if so, do I still need a separate disk per system?
3 REPLIES
Ivan Ferreira
Honored Contributor

Re: Managing Hard Disk Crash

>>> What is the best way to recover from a hard disk drive crash?

Backup/Restore of course, but, is your question oriented to recover the operating system? If so, again "backup/restore". You can use vdump/vrestore or btcreate.

You can use LSM Mirroring.
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
Rob Leadbeater
Honored Contributor

Re: Managing Hard Disk Crash

Hi Alice,

Personally, I would ensure that all of the disks in the servers are connected to a RAID controller of some form, preferably a KZPDC (SmartArray) controller.

Then if you have a disk failure, you won't get any problems at the OS level.

Of course, if you are backing things up properly with vdump, then restoring is straightforward...

Cheers,

Rob
Kapil Jha
Honored Contributor

Re: Managing Hard Disk Crash

to recover.
1.LSM Mirroring.
2.LSM evacuation mechanism.(you will have to have some spare disks)
3.periodic tape backup is the best way.
4.periodically see the counters of the error for a disk(hwmgr -get attrib -id HWID),and change the disk beofore it crashed.
Kapil

I am in this small bowl, I wane see the real world......