ADSM-L

Re: TSM LTO 3580 Performance

2003-06-13 11:51:19
Subject: Re: TSM LTO 3580 Performance
From: Richard Sims <rbs AT BU DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 13 Jun 2003 11:50:55 -0400
>I have sort of the same problem. But my drives are connected through a SAN.
>So small flies in LANFree Backups are an issue. Is there a way to avoid this
>interrupted stream issue? It sounds like a terrible waste to have several
>LTO-1s with fibre attachments and HBAs and what nots to have to always rely
>on disk pools.

I'm afraid this all gets back to initial technology choice decisions based
upon intended uses and inherent capabilities.  There are studies and papers
out there to guide your technology choices, such as:

    "IBM LTO Ultrium Performance Considerations"
        ftp://ftp.software.ibm.com/software/tivoli/whitepapers/wp-tsm-lto.pdf

See particularly the Start/Stop Performance graphs in that paper.

  Richard Sims, BU

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