[HPADM] FW: cpio performance

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To: "'hpux-admin@dutchworks.nl'" <hpux-admin@dutchworks.nl>
Date: Sun, 9 Nov 2003 11:28:16 +1100 

I just checked. Both tape units are the only devices connected to their SCSI
controller. There are no other daisy chained devices.

Still, it was smart thinking Julius...

Cheers

-----Original Message-----
From: Julius Szelagiewicz [mailto:julius@turtle.com]
Sent: Sunday, 9 November 2003 11:21 AM
To: Gary March
Subject: Re: [HPADM] cpio performance

Gary,
        how is the DLT connected to the L box versus the K box? Is DLT the
*only* device on the SCSI chain? I am convinced it is a hardware
issue. julius

On Sun, 9 Nov 2003, Gary March wrote:
> I have a cpio backup performance issue I need help with.
>
> I have 2 HP servers running HPUX 11.0. One of these, a K460, backs up
9.5GB
> of data
> using cpio onto a DLT7000 in less than 2 hours. This is acceptable.
>
> An L3000 backs up 15.6 GB onto a DLT8000 in approx. 9 hours. This is
> excessive.
>
> Both systems have a similar mix of files and file systems - one is
> production
> while other is the test/devel environment for the production server.
>
> Both sets of backup are done overnight when system activity is minimal.
>
> The L3000 is running Veritas Volume manager.
>
> Any ideas or suggestions would be appreciated.

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