[Veritas-bu] Performance test of tape drives

[MacKinnon, G. R. (Gregory)]

ida3248b at post.cybercity.dk wrote:

>Hello All
>
>I need to test our tape drives outside NBU to se what max throughput is.
>
>I thought there was a thread about this but I can't find it.
>
>I want to eliminate network/disk.
>
>We have a mix of Solaris, AIX, HP and Windows media servers, and we are 
>getting Linux media servers before long.
>
>Ideas/suggestions/howtos will be greatly appreciated.
>
>Regards
>Michael
>
>--
>Cybercity Webhosting (http://www.cybercity.dk)
>
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>  
>

For the *nix machines you can use the time and dd commands. Like so:

time dd if=/dev/zero of=/dev/rmt/2 bs=256k count=4000

Then multiply # of blocks (4000) by block size (256) which is 1,024,000
and divide by # of seconds.

Can't help much with the Wintel box.

Gregg



 
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