On Sun, Jul 5, 2009 at 3:54 PM, John Robinson<john.robinson@xxxxxxxxxxxxxxxx> wrote: > On 05/07/2009 18:35, Jon Nelson wrote: >> >> I was trying to use mdadm --wait a bit ago to wait for a recovery >> operation, but mdadm --wait didn't actually wait. >> >> Here is md12 after adding /dev/sdf1 back to it. >> >> md12 : active raid1 sdf1[3] nbd0[2](W)(F) sde[0] >> 72612988 blocks super 1.1 [3/1] [U__] >> [>....................] recovery = 3.0% (2195456/72612988) >> finish=51.4min speed=22805K/sec >> bitmap: 139/139 pages [556KB], 256KB chunk >> >> However, mdadm /dev/md12 --wait (and --wait-clean) did not wait for >> the recovery to be complete. >> >> turnip:~ # mdadm /dev/md12 --wait >> turnip:~ # echo $? >> 0 >> turnip:~ # mdadm --version >> mdadm - v3.0 - 2nd June 2009 >> >> I would --fail and --remove /dev/sdf1 and try again (with --add), and >> I did this several times, and I could not get it to wait until the >> recovery was complete. >> >> Am I doing something wrong? Did I mis-read the documentation? > > Did you try `mdadm --wait /dev/md12`? For me that returns 1 on a fully-up > array (where there's nothing to wait for) while `mdadm /dev/md12 --wait` > returns 0, so they're obviously handled differently. I don't really feel > like degrading an array to test further, I'll leave it to you :-) OK, that's weird. mdadm /dev/md12 --wait doesn't, while mdadm --wait /dev/md12 does. That doesn't seem right to me. -- Jon -- 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
