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From: tvmyers@koicds01.icdc.delcoelect.com (Thomas V. Myers)
Subject: Re: 3rd Party Jukebox
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Date: Tue, 13 Dec 1994 03:46:16 GMT
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Michael E Willett (mew@world.std.com) wrote:
> rtms@ins.infonet.net writes:

> >We are looking at adding a hp jukebox to an IBM rs/6000 220...
> >Any information would be beneficial.

> With the dropping prices of magnetic drives and their increasing 
> capacity, e.g. 9 GB Seagate Barracudas, jukeboxes are becoming
> obsoleted by high performance disk arrays.  We're talking something
> like 70 cents/MB in large RAID configurations.

> There was a recent study performed for the US Coast Guard which indicated 
> it no longer makes sense from a price/performance point of view to
> put in a jukebox.

> Jukeboxes are notoriously slow versus even the slow RAID 3/5 
> architectures from the mid-80s.  With our built-in CPU, real time
> operating system with memory management, and per-disk read caching, plus 
> central caching, we achieve very major improvements over the earlier 
> RAIDs, which are in turn faster than jukeboxes.  Our clustered, SCSI-based
> RAID 7 configurations can hold more than 1,000 GB of storage, a terabyte.

> Mike Willett
> Storage Computer Corp.
> 11 Riverside Street
> Nashua, NH 03062
> Tel 603-880-3005
> Fax 603-889-7232

Thanks *SO* much for that *ENTIRELY* unsolicited advertisement and completely
unsubstantiated comparisons of storage technologies.  BTW, magneto-optical
storage is currently below 10 cents/MB.

					*Slightly* annoyed, Tom
--
Tom Myers : tvmyers@icdc.delcoelect.com
