ADSM-L

Re: Creating DB file on new server

2005-04-09 05:05:57
Subject: Re: Creating DB file on new server
From: William <weiduo.deng AT GMAIL DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Sat, 9 Apr 2005 00:50:18 -0400
If it is JFS, the max file size is 64GB. If it is JFS2, should not be a problem

On Apr 7, 2005 12:22 PM, Stapleton, Mark <mark.stapleton AT berbee DOT com> 
wrote:
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On
> Behalf Of Jones, Eric J
> >I have a new server running TSM 5.2.2 server with AIX 5.2.
> >I went to create the data base file which I'm planning 130GB.
> >The logical volume was created for 130GB and was called
> >/dbaa1vpth0 and large files are turned on.
> >The command I initially issued was
> >dsmfmt -m -db /dbaa1vpth0/db 130000
> >It returned an error that said that the file could not exceed
> >68234123 or something close to that.
> >What finally worked as I went down in size to 65001
> >dsmfmt -m -db /dbaa1vpth0/db 65001 which is 1/2 of the size I
> >was expecting.
> >I've read the dsmfmt command(Administrator's reference) and I
> >did not see a limit.
> >Is 65001 a limit or when I do the dsmserv command does it
> >double in size for some reason?
> >I'm sure it's an obvious question but I'm a little lost of this one.
>
> You're dealing with OS limitations, methinks. There is no limit as far
> as dsmfmt is concerned.
>
> However, I would most definitely *not* make my database one logical
> volume. You should spread it out among multiple spindles to increase
> throughput (the "not all of my eggs in one basket" philosophy).
>
> --
> Mark Stapleton (stapleton AT berbee DOT com)
> IBM Certified Advanced Deployment Professional
> Tivoli Storage Management Solutions 2005
> Office 262.521.5627
>

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