> Recently spoke to a knowledgeable Tech at IBM support
> and was told that ADSM uses a FIFO approach to satisfying
> multiple, concurrent requests for file I/O. Furthermore,
> it has additional optimizations to reduce the number
> of mount points required to service queued requests by
> ordering the requests in a SSTR (Shortest Seek Time To Read)
> fashion...
>
> If anybody has additonal information on this topic, please
> give it up, so I can capitalize on this information for the
> design of a large and important system.
>
> System Profile:
> Here's what we've got driving our Magstar 3494...
> AIX 4.3.2 running on a RS-6000 model H50
> dual 366MHZ CPU, 2(usable) x 9.1GB Disk (18GB Total usable),
> 2GB RAM
> ADSM version 2.4 the 3494 has an OS/2 box for the library mgr
> and it is a Cryrix 166 MHZ CPU with 64 MB RAM
>
> Our current storage requirements: I am projecting 1.2 - 3.6
> million individual files and a total storage of 4.3TB
>
>
> Also need good link(s) on performance benchmarks or results
> if anybody knows of them.
>
> Thanks in advance!
> Chris