Messages in this thread | | | Date | Fri, 31 Oct 2003 00:03:08 -0800 | From | Andrew Morton <> | Subject | Re: READAHEAD |
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Nuno Silva <nuno.silva@vgertech.com> wrote: > > >> Before, i never had to set readahead so high > >> Please could you tell me, what is going on here ? > > > > > > Lots of people have been reporting this. It's rather weird. > > > > I know nothing about this but, FWIW, I think that what changed where the > units. With 2.4 you specify sectors, with 2.6 you specify bytes. > > So, having -a8, in 2.4, is the same as having -a$((8*512)) [it's 4096 > :)], in 2.6. >
No, everything seems OK. Both `hdparm -a' and `blockdev --setra' are operating in units of 512 bytes.
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