Messages in this thread | | | Subject | Re: File system compression, not at the block layer | Date | Fri, 23 Apr 2004 21:28:53 -0400 | From | Horst von Brand <> |
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Timothy Miller <miller@techsource.com> said:
[...]
> In a drive with multiple platters and therefore multiple heads, you > could read/write from all heads simultaneously. Or is that how they > already do it?
No. Current disks have bad blocks (way too small on disk to be able to ensure 100% OK), and they are remapped by the drive firmware to spare cilinders. To have the exact same blocks broken on each surface would be a real lottery. -- 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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