Re: Disks used by LV
From: Kumar, Praveen (cahoot) (Praveen.Kumar_at_CAHOOT.COM)
Date: 07/21/04
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Date: Wed, 21 Jul 2004 16:35:49 +0100 To: aix-l@Princeton.EDU
Christopher,
The current file systems are all mirrored but the worry is that my
vg has 8 disks with 10 fs on it. Out of these fs's, 6 of them are IO
intensive so they are created in such a way that they use individual disk
for each of the 6 fs's. When I am extending the IO intensive FS, none of
these IO intensive FS's should go and occupy the free space on another disk
where we already have an IO intensive FS. In short I want to specify which
disk to be used when I am adding some space to my IO intensive FS.
TIA
Praveen.K
-----Original Message-----
From: cbaker@GOODYEAR.COM [mailto:cbaker@GOODYEAR.COM]
Sent: 21 July 2004 16:27
To: aix-l@Princeton.EDU
Subject: Re: Disks used by LV
Praveen,
If IO speed is a high priority for fs01, have you considered "striping" the
filesystem over more than one drive?
Christopher M. Baker
Senior Technical Support Analyst
DSE/TCO
Goodyear Tire and Rubber Company
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Contains Confidential and/or Proprietary Information.
May not be copied or disseminated without the expressed
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"Kumar, Praveen (cahoot)"
<Praveen.Kumar@CAHOOT.COM>
Sent by: IBM AIX Discussion List
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<aix-l@Princeton.EDU>
aix-l@Princeton.EDU
cc
07/21/04 07:18 AM
Subject
Disks used by
LV
Please respond to
IBM AIX Discussion List
<aix-l@Princeton.EDU>
Hi,
I have a vg called dbvg which is made of 5 disks, where I am going
to create 5 File systems. Out of these 5, three of the fs are IO intensive.
I want to create 5 logical volumes one each for 5 file systems on each
individual disk. Also in future when I extend my one of the IO intensive
file system (say fs01), this should not occupy the disk space on the disk
were I already have another IO intensive fs (fs02), so I think I can choose
the disks where I would want my IO intensive file system(fs01) be spread
when the corresponding disk has no space left on it. Please correct if I am
wrong in saying this.
Say I have created a logical volume with the above preferences, now I would
want to check what are the disks my IO intensive file system is going to
use.
Can some let me know how to check what are the disks a logical volume is
going to use once that specific disk is full.
TIA
Praveen.K
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