On Mon, Sep 10, 2007 at 12:59:25PM -0400, tom wrote: > I turned down the max rebuild speed quite a bit and it generates a raid-6 > array without killing the machine (and in shorter time than when the limit > is set at the default). > > It seems like the resync process is so greedy for bandwidth that it > actually hurts itself if the CPU power is not there to support the > bandwidth - this is what is surprising to me - that it can effectively lock > out other tasks and still take longer to complete. > > When I turned the rebuild maxx speed down to 35000, the raid6 rebuild > finished in 150 minutes. > When left at the default, it finished in 350 minutes... > > Seems like the scheduler or the resync should be smarter about something..?
Yeah it probably should be. You could always file a bug report with the linux kernel and see if someone has an opinion on the behaviour. -- Len Sorensen -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]