Messages in this thread |  | | From | "H. Peter Anvin" <> | Subject | Re: Journaling pointless with today's hard disks? | Date | 26 Nov 2001 18:41:35 -0800 |
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Followup to: <0111261800340R.02001@localhost.localdomain> By author: Rob Landley <landley@trommello.org> In newsgroup: linux.dev.kernel > > On Monday 26 November 2001 20:23, Ian Stirling wrote: > > > > Now a cache large enough to hold 2 full tracks could also hold dozens of > > > individual sectors scattered around the disk, which could take a full > > > second to write off and power down. This is a "doctor, it hurts when I > > > do this" question. DON'T DO THAT. > > > > Or, to seek to a journal track, and write the cache to it. > > Except that at most you have one seek to write out all the pending cache data > anyway, so what exactly does seeking to a journal track buy you? >
It limits the amount you need to seek to exactly one seek.
-hpa
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