Messages in this thread | | | Subject | Re: File system compression, not at the block layer | Date | Fri, 23 Apr 2004 21:18:56 -0400 | From | Horst von Brand <> |
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"Richard B. Johnson" <root@chaos.analogic.com> said:
[...]
> If you want to have fast disks, then you should do what I > suggested to Digital 20 years ago when they had ST-506 > interfaces and SCSI was available only from third-parties. > It was called "striping" (I'm serious!). Not the so-called > RAID crap that took the original idea and destroyed it. > If you have 32-bits, you design an interface board for 32 > disks. The interface board strips each bit to the data that > each disk gets. That makes the whole array 32 times faster > than a single drive and, of course, 32 times larger.
But seeks are just as slow as before... and weigh in more as sectors are shorter (for the same visible sector size, 1/32th). I'm not so sure this is a win overall. -- Dr. Horst H. von Brand User #22616 counter.li.org Departamento de Informatica Fono: +56 32 654431 Universidad Tecnica Federico Santa Maria +56 32 654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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