ADSM-L

Re: individual file size > 2 GB - voulme groups

2000-12-20 21:29:14
Subject: Re: individual file size > 2 GB - voulme groups
From: sekar n <nsekar99 AT YAHOO DOT COM>
Date: Wed, 20 Dec 2000 18:29:47 -0800
Hi KD ,
thanks. It now looks that the maximum file size which
tsm can could handle would be limited only by the
individual volume size! . I believe it could be
endlessly increased if the volume happens to be a disk
under volume management of AIX or any such product.

sekar narasimhan

--- Keith Davey <kdavey AT GUS33.HOMEIP DOT NET> wrote:
> To the best of my knowlege TSM does not have a 2GB
> To the best of my knowlege TSM does not have a 2GB
> file size limit for
> storing the file.  The problem comes in at the OS
> filesystemlevel.
> Solaris UFS filesystems have this limitation, as did
> AIX 4.1.  4.2 could
> be set up to support large file sizes in SMIT, and I
> beleve 4.3 supports
> it nativly.  Linux also has this problem.
>
> If the individual file exceeds the MAX file size
> that can be sent to a
> storage pool, it is automaticly sent directly to its
> next storage pool
> (usualy tape).  If a client is backing up directly
> to tape, and the end of
> file mark is reached prior to the end of the
> agragate transfer, then that
> agragate is expired, and a new tape is mounted.  AKA
> an Agragate can not
> be split between two volumes.
>
> Keith Davey
> Tivoli Systems
>
>
> On Wed, 20 Dec 2000, sekar n wrote:
>
> > Hi all,
> > Iam aware of some limitations on AIX/solaris for
> > individual filesize > 2 GB. What about TSM. Also
> what
> > happens when an individual file size exceeds the
> > physcial limit of pool volume. Does any
> fragmentation
> > take place !!
> >
> > sekar narasimhan
> > Chennai, India
> > mail: nsekar99 AT yahoo DOT com
> >
> > __________________________________________________
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