On Mon, 16 Feb 2015 14:42:20 +0800 gary <gary.mdjiang@xxxxxxxxx> wrote: > Hi Neil, > > Please check the followings. > > What kernel are you running? > linux48:~ # uname -r > 3.12.32-33-default Does this have any patches on top of 3.12.32 that touch md.c ? > > And 3.12.28-4-default kernel is ok. There are no differences between 3.12.28 and 3.12.32 that could affect this. > ioctl(3, RAID_VERSION, 0x7fff2e10c060) = 0 > ioctl(3, GET_BITMAP_FILE, 0x7fff2e10c1f0) = 0 > ioctl(3, GET_ARRAY_INFO, 0x7fff2e10c1a0) = 0 > ioctl(3, SET_ARRAY_INFO, 0x7fff2e10c1a0) = -1 EINVAL (Invalid argument) > write(2, "mdadm: failed to remove internal"..., 41mdadm: failed to > remove internal bitmap. EINVAL from SET_ARRAY_INFO almost certainly comes from update_array_info(). It can happen if: - more than 1 thing needs to be updated - seems unlikely - pers->quiesce is NULL - not possible for raid1. - mddev->bitmap->storage.file is not NULL. Seems unlikely. I suggest you look at the code you are actually running, and possible add some printks to tell you where it is failing. NeilBrown
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