On Thu, 13 Apr 2017 16:13:41 +0800 d tbsky <tbskyd@xxxxxxxxx> wrote: > in past the disk initialize > speed will down to slow speed when there are other disk IO, but it > seems not the case in rhel 7.3. It was changed some time ago with: "md: allow resync to go faster when there is competing IO" https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ac8fa4196d205ac8fff3f8932bddbad4f16e4110 and a problem like you describe has been reported: https://www.spinics.net/lists/raid/msg51363.html Some patches have been discussed, but apparently there is no fix for it up to this day, as the current code in question looks the same as in the above patch. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/md/md.c#n8138 -- With respect, Roman -- 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
