Firstly, I can't stress enough how much of a newb I am to AIX or Linux in general so please be very patient. I am strictly a MS man, however I now need to administer an IBM power series blade server which sits on top of an AIX VIOS. The VIOS version I am running is 2.1.2.0 and it is mirrored on two physical disks.
I am currently trying to install the latest version of the VIOS but when I attempt to run the command updateios it complains that there is not enough space in the /usr filesystem.
I then attempted to extend the /usr filesytem using extendlv but I get the error "0516-404 allocp: This system cannot fulfill the allocation request.There are not enough free partitions or not enough physical volumes to keep strictness and satisfy allocation requests. The command should be retried with different allocation characteristics."
In troubleshooting this error on google I think the problem lies in the allocation of my free PPs over the two mirrored disks. Here is the output of lsvg -pv rootvg.
Code:
$ lsvg -pv rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk0 active 546 0 00..00..00..00..00
hdisk1 active 546 301 83..00..00..109..109
I think what I need to do is move some of the 301 free PPs from hdisk1 over to hdisk0 but I haven't a clue where to even start. Can anyone help? Again, go easy I'm extremely new to this and barely know the connection between LVs, PVs, PPs and LPs.
Moderator's Comments:
Please use [code] and [/code] tags when posting code, data or logs etc. to preserve formatting and enhance readability, thanks.
Last edited by zaxxon; 03-16-2011 at 04:36 AM..
Reason: code tags
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LEARN ABOUT CENTOS
lvextend
LVEXTEND(8) System Manager's Manual LVEXTEND(8)NAME
lvextend - extend the size of a logical volume
SYNOPSIS
lvextend [--alloc AllocationPolicy] [-A|--autobackup {y|n}] [-d|--debug] [-h|-?|--help] [-f|--force] [-i|--stripes Stripes [-I|--stripesize
StripeSize]] {-l|--extents [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}] | -L|--size [+]LogicalVolumeSize[bBsSkKmMgGtTpPeE]} [-n|--nof-
sck] [--noudevsync] [-r|--resizefs] [--use-policies] [-t|--test] [-v|--verbose] LogicalVolumePath [PhysicalVolumePath[:PE[-PE]]...]
DESCRIPTION
lvextend allows you to extend the size of a logical volume. Extension of snapshot logical volumes (see lvcreate(8) for information to cre-
ate snapshots) is supported as well. But to change the number of copies in a mirrored logical volume use lvconvert(8).
OPTIONS
See lvm(8) for common options.
-f, --force
Proceed with size extension without prompting.
-l, --extents [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE|ORIGIN}]
Extend or set the logical volume size in units of logical extents. With the '+' sign the value is added to the actual size of the
logical volume and without it, the value is taken as an absolute one. The total number of physical extents allocated will be
greater than this, for example, if the volume is mirrored. The number can also be expressed as a percentage of the total space in
the Volume Group with the suffix %VG, relative to the existing size of the Logical Volume with the suffix %LV, of the remaining free
space for the specified PhysicalVolume(s) with the suffix %PVS, as a percentage of the remaining free space in the Volume Group with
the suffix %FREE, or (for a snapshot) as a percentage of the total space in the Origin Logical Volume with the suffix %ORIGIN. The
resulting value is rounded upward. N.B. In a future release, when expressed as a percentage with PVS, VG or FREE, the number will
be treated as an approximate upper limit for the total number of physical extents to be allocated (including extents used by any
mirrors, for example). The code may currently allocate more space than you might otherwise expect.
-L, --size [+]LogicalVolumeSize[bBsSkKmMgGtTpPeE]
Extend or set the logical volume size in units of megabytes. A size suffix of M for megabytes, G for gigabytes, T for terabytes, P
for petabytes or E for exabytes is optional. With the + sign the value is added to the actual size of the logical volume and with-
out it, the value is taken as an absolute one.
-i, --stripes Stripes
Gives the number of stripes for the extension. Not applicable to LVs using the original metadata LVM format, which must use a sin-
gle value throughout.
-I, --stripesize StripeSize
Gives the number of kilobytes for the granularity of the stripes. Not applicable to LVs using the original metadata LVM format,
which must use a single value throughout.
StripeSize must be 2^n (n = 2 to 9)
-n, --nofsck
Do not perform fsck before extending filesystem when filesystem requires it. You may need to use --force to proceed with this
option.
--noudevsync
Disable udev synchronisation. The process will not wait for notification from udev. It will continue irrespective of any possible
udev processing in the background. You should only use this if udev is not running or has rules that ignore the devices LVM2 cre-
ates.
-r, --resizefs
Resize underlying filesystem together with the logical volume using fsadm(8).
--use-policies
Resizes the logical volume according to configured policy. See lvm.conf(5) for some details.
Examples
Extends the size of the logical volume "vg01/lvol10" by 54MiB on physical volume /dev/sdk3. This is only possible if /dev/sdk3 is a member
of volume group vg01 and there are enough free physical extents in it:
lvextend -L +54 /dev/vg01/lvol10 /dev/sdk3
Extends the size of logical volume "vg01/lvol01" by the amount of free space on physical volume /dev/sdk3. This is equivalent to specifying
"-l +100%PVS" on the command line:
lvextend /dev/vg01/lvol01 /dev/sdk3
Extends a logical volume "vg01/lvol01" by 16MiB using physical extents /dev/sda:8-9 and /dev/sdb:8-9 for allocation of extents:
lvextend -L+16M vg01/lvol01 /dev/sda:8-9 /dev/sdb:8-9
SEE ALSO fsadm(8), lvm(8), lvm.conf(5), lvcreate(8), lvconvert(8), lvreduce(8), lvresize(8), lvchange(8)Sistina Software UK LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26) LVEXTEND(8)
03-16-2011
