Help!! Failing HP-UX 11 system disk Post: 302371038

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Top Forums UNIX for Dummies Questions & Answers Help!! Failing HP-UX 11 system disk Post 302371038 by rees_a on Friday 13th of November 2009 07:39:05 AM

11-13-2009

Registered User

Help!! Failing HP-UX 11 system disk

Firstly, system setup -

HP900 K460, 3 internal hard drives that make up the system volume group(vg00) no software mirroring

HP-ux version 11.00

2 Nike 20 raid arrays attached, fully populated with 40 4gb hot swap drives(All used in production environment)

I have 3 disks that make up my root volume group(VG00). 1 of them is making a very load noise so I think its going to fail sometime soon. (Not sure which one)

I also have a number of other volume groups/disks running on 2 nike 20 disk arrays

The questions I have are -

I would like to know if its possible to clone or copy the failing disk onto another drive whilst it is still running then boot from the cloned disk.(I have no spare drive so will need to add one?

I have a make_tape_recovery backup, if I have to restore from that tape(Not sure how I do that) will I also need to restore all the other volume groups even though they are on separate disks or will they continue to function once the system has been restored from the tape.

I vaguely remember doing a recovery about 8 years ago using the make_tape_recovery which worked fine and the other disks carried on working

I'm a bit of a Unix novice so step by step instructions would be great

Just to be doubly sure, can you confirm the make_tape_Recovery options I should use to ensure I can restore my system disks should the noisy disk fail.

Hi there, sorry for long post, I've just checked the drives in SAM and 1 of them is a 4gb Swap disk(Lvol9) if that is the failing disk, is it possible to remove the swap disk, replace with new disk and add swap to that disk(If this makes sense). I'm assuming in this instance I can just delete the swap
would this be right?

Last edited by rees_a; 11-13-2009 at 08:52 AM..

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LEARN ABOUT OSF1

lvremove

LVREMOVE(8)						      System Manager's Manual						       LVREMOVE(8)

NAME

       lvremove - remove a logical volume

SYNOPSIS

       lvremove  [-A|--autobackup  {y|n}]  [-d|--debug] [-h|--help] [-t|--test] [-v|--verbose] [--version] [-f|--force] [--noudevsync] LogicalVol-
       ume{Name|Path} [LogicalVolume{Name|Path}...]

DESCRIPTION

       lvremove removes one or more logical volumes.  Confirmation will be requested before  deactivating  any	active	logical  volume  prior	to
       removal.   Logical  volumes  cannot be deactivated or removed while they are open (e.g. if they contain a mounted filesystem).  Removing an
       origin logical volume will also remove all dependent snapshots.

       If the logical volume is clustered then it must be deactivated on all nodes in the cluster before it can be removed. A single lvchange com-
       mand issued from one node can do this.

OPTIONS

       See lvm(8) for common options.

       -f, --force
	      Remove active logical volumes without confirmation.

       --noudevsync
	      Disable  udev  synchronisation. The process will not wait for notification from udev.  It will continue irrespective of any possible
	      udev processing in the background.  You should only use this if udev is not running or has rules that ignore the devices	LVM2  cre-
	      ates.

EXAMPLES

       Remove the active logical volume lvol1 in volume group vg00 without asking for confirmation:

       lvremove -f vg00/lvol1

       Remove all logical volumes in volume group vg00:

       lvremove vg00

SEE ALSO

       lvcreate(8), lvdisplay(8), lvchange(8), lvm(8), lvs(8), lvscan(8), vgremove(8)

Sistina Software UK					 LVM TOOLS 2.02.95(2) (2012-03-06)					       LVREMOVE(8)

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