read the blockdev man page On Thu, 2005-08-04 at 16:06 +0200, djani22@xxxxxxxxxxxxx wrote: > Hi list, Neil! > > I have a little question because I'v got some performance problem... > Is the RAID5 do any type of headahead with the default config? > It is possible to disable the readahead? (if it is.) > Or just the io_sched do that on the disks? > > How can I disable the whole headahead on top of the RAID5 array? > > The RAID5 can do multiple small (<4kb) reads of disks for the multithreaded > read requests? > (chunk size is 32k) > > Thanks for helping! > > Janos > > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Raz Long live the penguin - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html