2017-04-13 17:37 GMT+08:00 Roman Mamedov <rm@xxxxxxxxxxx>: > 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 hi: thanks for the hint. I will try to report RHEL to see what happened. I didn't notice these in previous versions. Regards, tbskyd -- 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