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Operating Systems AIX VIOS: Extend virtual disk assigned to running lpar? Post 302913695 by j_aix on Tuesday 19th of August 2014 12:13:17 PM
Old 08-19-2014
VIOS: Extend virtual disk assigned to running lpar?

Hello,

VIOS 2.2.1.4 using IVM.

I'm trying to extend a virtual disk assigned to a running lpar so that I can expand the lpar's datavg and grow some filesystems for the user.

Storage admin expanded the lun and new size was reflected in VIO right away. I then needed the storage pool to reflect the new size which I accomplished using:
Code:
chvg -chksize vgname

With storage pool showing new free space, I was looking for a command to extend the virtual disk assigned to the storage pool, which I had no luck. Instead I tried using IVM to extend the virtual disk, however I got a warning about the virtual disk assigned to a running partition.

You will either need to restart the partition after extending the size, or reconfigure the device using the partition's operating system. If you would like to proceed anyway, select the checkbox below, and select OK again. Force extend on running partition.

I'd like to attempt this without shutting down the lpar, however I can't risk a production outage either. Does anyone know the implications of using the "Force extend" option?
 

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virt-list-filesystems(1)				      Virtualization Support					  virt-list-filesystems(1)

NAME
virt-list-filesystems - List filesystems in a virtual machine or disk image SYNOPSIS
virt-list-filesystems [--options] domname virt-list-filesystems [--options] disk.img [disk.img ...] OBSOLETE
This tool is obsolete. Use virt-filesystems(1) as a more flexible replacement. DESCRIPTION
"virt-list-filesystems" is a command line tool to list the filesystems that are contained in a virtual machine or disk image. "virt-list-filesystems" is just a simple wrapper around libguestfs(3) functionality. For more complex cases you should look at the guestfish(1) tool. OPTIONS
--help Display brief help. --version Display version number and exit. -c URI --connect URI If using libvirt, connect to the given URI. If omitted, then we connect to the default libvirt hypervisor. If you specify guest block devices directly, then libvirt is not used at all. --format raw Specify the format of disk images given on the command line. If this is omitted then the format is autodetected from the content of the disk image. If disk images are requested from libvirt, then this program asks libvirt for this information. In this case, the value of the format parameter is ignored. If working with untrusted raw-format guest disk images, you should ensure the format is always specified. -l --long With this option, "virt-list-filesystems" displays the type of each filesystem too (where "type" means "ext3", "xfs" etc.) -a --all Normally we only show mountable filesystems. If this option is given then swap devices are shown too. SHELL QUOTING
Libvirt guest names can contain arbitrary characters, some of which have meaning to the shell such as "#" and space. You may need to quote or escape these characters on the command line. See the shell manual page sh(1) for details. SEE ALSO
guestfs(3), guestfish(1), virt-cat(1), virt-tar(1), virt-filesystems(1), virt-list-partitions(1), Sys::Guestfs(3), Sys::Guestfs::Lib(3), Sys::Virt(3), <http://libguestfs.org/>. AUTHOR
Richard W.M. Jones <http://people.redhat.com/~rjones/> COPYRIGHT
Copyright (C) 2009 Red Hat Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. libguestfs-1.18.1 2013-12-07 virt-list-filesystems(1)
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