ADSM-L

Re: Disk volumes greater than 2Gb?

1997-04-29 12:03:42
Subject: Re: Disk volumes greater than 2Gb?
From: Matt Anglin <anglin AT US.IBM DOT COM>
Date: Tue, 29 Apr 1997 12:03:42 -0400
Classification:

On AIX, PTF 13 will allow RLVs greater than 2GB on AIX 4.1 and 4.2, and it will
allow JFS files greater than 2GB on AIX 4.2 (and above).

Matt Anglin
ADSM Development



        owner-adsm-l @ VM.MARIST.EDU
        04-29-97 07:03 AM
Please respond to ADSM-L AT VM.MARIST DOT EDU@internet


To: ADSM-L @ VM.MARIST.EDU@internet
cc:
Subject: Re: Disk volumes greater than 2Gb?

If you are using AIX (v4.1 or lower) the 2GB filesystem is an AIX Limit.

I haven't tried it on v4.2 yet so don't hold me to it.


>
> Hi (again)
>
> For DISK based volumes ADSM seems to be limited to 2Gb files, e.g.,
>
>         ./dsmfmt -m -data /disk3/adsm/backup01.dsm 4000
>
> gives me
>
>         File size for /disk3/adsm/backup03.dsm must be less than 2 GB
>
> And trying to use a raw partition > 2Gb gives just "volume not available".
>
> Does anyone know if this limit is to be raised?  Is it only present on
> Solaris?  Is it only me?
>
> It would be nice to be able to use 4Gb disks.  Using 2 x 2Gb files on
> the same disk seems to be a *bad* idea --- ADSM wants to use them both
> at the same time and so throughput drops.
>
> Russell
>


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