From: Adams Kevin J (kevin.adams@PHS.COM)
Date: Fri May 02 2003 - 12:46:39 EDT
The 1016 pps limit per volume group can be dealt with in 4.3.3 via the -t
factor of the mkvg or chvg commands, thus allowing for a smaller PP size.
The -t factor ends up reducing the number of PVs allowed for the vg.
Kevin Adams
-----Original Message-----
From: John Jolet [mailto:john.jolet@FXFN.COM]
Sent: Friday, May 02, 2003 9:01 AM
To: aix-l@Princeton.EDU
Subject: Re: [aix-l] Adding Addl Disk to Volume Group
you should allocate as little as possible, since it's tough to shrink the
fileystems. I usually keep mine about 90% full, but i keep a close watch on
them. The pp size is because there's a limit of i think 1016 pps per volume
group...so the pp size has to be big enough to keep it under that limit
(unless 5.x fixes that).
-----Original Message-----
From: Sue Pellerito [mailto:Sue.Pellerito@JACKINTHEBOX.COM]
Sent: Friday, May 02, 2003 10:56 AM
To: aix-l@Princeton.EDU
Subject: Re: Adding Addl Disk to Volume Group
Thanks for the info on adding the disk. Now I am having a problem with
determining how big to increase the filesystem. What is the formula? I
would like to allocate all that is available on the volume group? I checked
the archives but following the formulas presented only increased it by
about 500mb. I'm sure I need to someone account for the 128 PP Size. Below
is the output from lsvg:
$<root>/ < 392 > # lsvg emcdatavg
VOLUME GROUP: emcdatavg VG IDENTIFIER: 0001389f8be75084
VG STATE: active PP SIZE: 128 megabyte(s)
VG PERMISSION: read/write TOTAL PPs: 2652 (339456
megabytes)
MAX LVs: 256 FREE PPs: 1411 (180608
megabytes)
LVs: 2 USED PPs: 1241 (158848
megabytes)
OPEN LVs: 2 QUORUM: 3
TOTAL PVs: 5 VG DESCRIPTORS: 5
STALE PVs: 0 STALE PPs: 0
ACTIVE PVs: 5 AUTO ON: yes
MAX PPs per PV: 1016 MAX PVs: 32
"Patrick B.
O'Brien" To: aix-l@Princeton.EDU
<pobrien@DOIT.NV. cc:
GOV> Subject: Re: Adding Addl
Disk to Volume Group
Sent by: IBM AIX
Discussion List
<aix-l@Princeton.
EDU>
05/01/2003 03:06
PM
Please respond to
IBM AIX
Discussion List
Do an 'extendvg vgname hdiskname'
Increase the FS and the LV will fallow by doing a, 'chfs -a size=new_size
/fs_name'.
-----Original Message-----
From: Sue Pellerito [mailto:Sue.Pellerito@JACKINTHEBOX.COM]
Sent: Thursday, May 01, 2003 2:50 PM
To: aix-l@Princeton.EDU
Subject: Adding Addl Disk to Volume Group
Sorry for newbie question. I am new to AIX and need to increase the size of
a logical volume by adding an additional EMC powerpath disk. I have already
done the work on the SAN but need help with the AIX commands to increase
the filesystem/logical volume/volume group. Can anyone help?
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