Hi,
I think throughput, in general , is a question of many
factors. To quote live example, Iam getting around
3MB/s for various backup/archieve which runs over
fairly long period of 30 minutes. I have had 1 GB
backedup and restored in less than 8 minutes when the
restore was for a single file ( we do have many of
them hitting the ceiling of even excess of 20 GB, I
havent tried them yet!!). The environment on swithced
ethernet LAN of 100 Mbs, AIX /IBM 43P server and
clients on various platforms, backuppool of just 500
MB and migration /spillover pool on IBM 7331-305 with
Mammoth 20 GB exabyte catridge.
( incidentally can any one answer on shelf life of
Mammoth 20 GB catridges.. The predecessor 5/7 GB
exabyte where very poor on long time retention, i have
read like something less than 3 years)

hope info is useful

sekar narasimhan
ONGC, Chennai, India
mail - nsekar99 AT yahoo DOT com


--- Louis Wiesemann <ljwies01 AT LOUISVILLE DOT EDU> wrote:
> I'm just looking for any guesstimates anyone might
> I'm just looking for any guesstimates anyone might
> have for the throughput we might "expect" to see
> restoring a Netware 3.1.08 client with a TSM 3.7.3.0
> OS/390 server.  This is over a 100M ethernet with
> 3490 tape robot on the server.  We have split the
> restore up over 4 sessions and have disabled any
> other TSM processing while we run the restore.
>
> We are seeing about 1.2G an hour actual data being
> restored.  Can anyone say whether this is about what
> we should expect?  I have been in contact with
> Tivoli and tuned the client and server options per
> their instructions.  I was wondering if anyone had
> any idea if this seems a reasonable rate.
>
> Thanks for any input.
>
>
----------------------------------------------------------------------------------------------------------------
>
>
> Louis J. Wiesemann
>           502-852-8952
>
>
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