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Full Discussion: Remove faulty disk LV from VG
Operating Systems HP-UX Remove faulty disk LV from VG Post 302628645 by hedkandi on Monday 23rd of April 2012 10:11:35 PM
Old 04-23-2012
This is what I did after mirroring to remove the old disks:

1.unmirror disks
Code:
spthpnXX:/root# lvreduce -m 0 /dev/vgSPAN/lvol1 /dev/dsk/c33t8d2 /dev/dsk/c35t8d3 /dev/dsk/c33t8d4 /dev/dsk/c35t8d5 
Logical volume "/dev/vgSPAN/lvol1" has been successfully reduced.
Volume Group configuration for /dev/vgSPAN has been saved in /etc/lvmconf/vgSPAN.conf

2. remove old LUN from VG

Code:
# vgreduce vgSPAN /dev/dsk/c33t8d2 /dev/dsk/c35t8d3 /dev/dsk/c33t8d4 /dev/dsk/c35t8d5

3. Remove the old entries from /etc/lvmpvg

Code:
PVG     PVG0
/dev/dsk/c33t8d2
/dev/dsk/c35t8d3
/dev/dsk/c33t8d4
/dev/dsk/c35t8d5

4. issue "rmsf /dev/dsk/cXtXdX" on following devices

Code:
rmsf /dev/dsk/c33t8d2
rmsf /dev/dsk/c35t8d3
rmsf /dev/dsk/c33t8d4
rmsf /dev/dsk/c35t8d5

OR

Code:
# rmsf -H <HW PATH>

 

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LEARN ABOUT LINUX

devnm

devnm(1M)                                                 System Administration Commands                                                 devnm(1M)

NAME

       devnm - device name

SYNOPSIS

       /usr/sbin/devnm name [name...]

DESCRIPTION

       The devnm command identifies the special file associated with the mounted file system where the argument name resides. One or more name can
       be specified.

EXAMPLES

       Example 1: Using the devnm Command

       Assuming that /usr is mounted on /dev/dsk/c0t3d0s6, the following command :

       /usr/sbin/devnm /usr

       produces:

       /dev/dsk/c0t3d0s6 /usr

FILES

       /dev/dsk/*

       /etc/mnttab

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       mnttab(4), attributes(5)

SunOS 5.10                                                          14 Sep 1992                                                          devnm(1M)
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