Re: Disks used by LV

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Date:         Wed, 21 Jul 2004 11:26:52 -0400
To: aix-l@Princeton.EDU

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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             "Kumar, Praveen (cahoot)"
             <Praveen.Kumar@CAHOOT.COM>
             Sent by: IBM AIX Discussion List To
             <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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