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Filesystems, Disks and Memory

HP-UX Disk crash?

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Special Forums Hardware Filesystems, Disks and Memory HP-UX Disk crash?
# 8  
Old 09-07-2007
Quote:
Originally Posted by Perderabo
This command:
dd if=/dev/rdsk/c5t6d0 bs=4096 of=/dev/null
tries to read the entire disk and copy it to /dev/null. It may do nothing for the broken disk. But if it works, it usually causes some activity indication such as the green light flashing. You should draw a little picture of your JBOD cabinet and run the command for each disk to map them out. If you ID all of the good disks, the one that is left must be the bad disk. Once you ID a disk, use your interrupt character, usually cntl-c to kill the dd.
Thx for your help. This probably was the best solution.

Regards,
Christian
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LEARN ABOUT HPUX

pvremove

pvremove(1M)															      pvremove(1M)

NAME

       pvremove - remove LVM data structure from a physical volume

SYNOPSIS

DESCRIPTION

       The  command  clears  the LVM data structure on a disk, so that it is no longer an LVM physical volume.	The device may then be used by the
       file system or by other volume managers.

       The operation is denied if pv_path is assigned to a volume group.  The command only clears the LVM data structure on a  disk  if  the  disk
       does not belong to a volume group.  This avoids accidentally removing a valid physical volume under a volume group.  If the physical volume
       to be removed belongs to a volume group, use the command to first remove the volume group associated with the physical volume.

   Arguments
       recognizes the following arguments:

	      pv_path	The character (raw) device path name of a physical volume.

EXTERNAL INFLUENCES

   Environment Variables
       determines the language in which messages are displayed.

       If is not specified or is null, it defaults to "C" (see lang(5)).

       If any internationalization variable contains an invalid setting, all internationalization variables default to "C" (see environ(5)).

EXAMPLES

       Remove LVM data structure on the physical volume

SEE ALSO

       lvremove(1M), vgremove(1M), intro(7), lvm(7).

																      pvremove(1M)