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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 MOJAVE

vgcfgbackup

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

NAME

       vgcfgbackup - backup volume group descriptor area

SYNOPSIS

       vgcfgbackup [-d|--debug] [-f|--file filename] [-h|--help] [--ignorelockingfailure] [-P|--partial] [-v|--verbose] [VolumeGroupName...]

DESCRIPTION

       vgcfgbackup  allows you to backup the metadata of your volume groups.  If you don't name any volume groups on the command line, all of them
       will be backed up.

       In a default installation, each volume group gets backed up into a separate file bearing the name of the  volume  group  in  the  directory
       /etc/lvm/backup.   You can write the backup to an alternative file using -f.  In this case if you are backing up more than one volume group
       the filename is treated as a template, and %s gets replaced by the volume group name.

       NB. This DOESN'T backup user/system data in logical volume(s)!  Backup /etc/lvm regularly too.

OPTIONS

       See lvm for common options.

SEE ALSO

       lvm(8), vgcfgrestore(8)

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