>> OTOH, you have access to the source code if you really want >> to try it >> another way. > >So again my first question thats seems to go ignored: does someone have >made a patch? Is there some line to put in raidtab to change raid1 >behavior? There used to be a patch for that, from the readme: > Operation: > In normal raid1 code (raidtools 0.90), reads are distributed > in a very fine grained fashion, new read will get new disk. > Only exception are sequential reads, which are never distributed. > This patch records a logical linear position of head in every > disk in array. Then when read requests is made it tries to > find a disk which head is closest to the requested block and > uses that disk. Initial measurements show performance gain > in reading and in seeking with many readers. > Flames, comments, improvements, benchmarks greatly > appreciated. Send them to miku@iki.fi No idea if this is still applicable to current raid code or still maintained; the old stuff used to be at http://www.icon.fi/~mak8/raid1/ Yours, martin - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
