/usr out of disk space need to unmount/ expand volume /mount Post: 302311237

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Operating Systems HP-UX /usr out of disk space need to unmount/ expand volume /mount Post 302311237 by vbe on Tuesday 28th of April 2009 08:35:33 AM

04-28-2009

Moderator

The next will be /var unless it was installed with a FS of 2 GB...

A few things: Is your root VG (vg00) mirrored? Which means whatever space left in the VG is to be divided by 2...

/var will be like /usr: SAM uses it... so unless you have OnlineJFS you are to learn "how to" for a few things without SAM, the easy way round is to have a ignite tape, but I suppose you have no DAT device installed?

So its not complicated:
1 - Bring the Box into single user (or boot into single user...)
2 - lvextend -L SSS /dev/vg00/lvolX (SSS in Megabytes...)
3 - umount /dev/vg00/lvolX
4 - extendfs /dev/vg00/rlvolX (notice the "r" in rlvolX)
5 - mount /dev/vg00/lvolX

If it does not automatically backup lvm structure, ->
vgcfgbackup vg00

You should know where the system saves LVM and Filesystem information:
look at /etc/lvmconf /etc/lvmtab /etc/fstab

The commands you need to know for disks and LVM:
pvcreate
pvdisplay
pvchange
vgcfgbackup
vgcfgrestore
vgcreate
vgextend/vgreduce
vgexport/vgimport
vgremove
vgdisplay
lvdisplay
lvcreate
lvextend
lvremove
newfs
extendfs

Not bad for a start? (Read the man pages and feel welcome to ask here if some of it isnt clear...)

Good luck

vbe

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LEARN ABOUT MOJAVE

vgextend

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

NAME

       vgextend - add physical volumes to a volume group

SYNOPSIS

       vgextend  [-A|--autobackup  y|n]  [-d|--debug]  [-h|-?|--help] [--restoremissing] [-f|--force] [-t|--test] [-v|--verbose] [ PHYSICAL DEVICE
       OPTIONS ] VolumeGroupName PhysicalDevicePath [PhysicalDevicePath...]

DESCRIPTION

       vgextend allows you to add one or more initialized physical volumes ( see pvcreate(8) ) to an existing volume group to extend it  in  size.
       Moreover,  it  allows  you to re-add a physical volume that has gone missing previously, due to a transient device failure, without re-ini-
       tialising it. Use vgextend --restoremissing to that effect.

       If PhysicalDevicePath was not previously configured for LVM with pvcreate (8), the device will be initialized with the same default  values
       used  with  pvcreate.  If non-default pvcreate values are are desired, they may be given on the commandline with the same options as pvcre-
       ate.  See PHYSICAL DEVICE OPTIONS for available options.  Note that the restore-related options such as --restorefile, --uuid, and --physi-
       calvolumesize are not available.  If a restore operation is needed, use pvcreate (8) and vgcfgrestore (8).

OPTIONS

       See lvm for common options.

PHYSICAL DEVICE OPTIONS

       The  following  options  are  available  for initializing physical devices in the volume group.  These options are further described in the
       pvcreate man page.

       -f, --force

       -y, --yes

       -Z, --zero y|n

       --labelsector sector

       --metadatasize size

       [--metadataignorey|n]

       --pvmetadatacopies copies

       --dataalignment alignment

       --dataalignmentoffset alignment_offset

Examples
       "vgextend vg00 /dev/sda4 /dev/sdn1" tries to extend the existing volume group "vg00"  by  the  new  physical  volumes  (see  pvcreate(8)  )
       "/dev/sdn1" and /dev/sda4".

SEE ALSO

       lvm(8), vgcreate(8), vgreduce(8), pvcreate(8)

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