Justin Piszcz schrieb:
According to the fine manual, BITMAP CHANGES belong to the grow mode.
So, let's try to do what the manual says - try to add a bitmap to the
active array:
# mdadm --grow /dev/md0 --bitmap=internal
mdadm: failed to set internal bitmap.
# dmesg
md: couldn't update array info. -16
So, either I don't understand the manual, or there are more caveats in
it.
(...)
Check: http://lkml.org/lkml/2007/6/17/235
It's an external bitmap; I'd prefer an internal one, as my root
filesystem is on a flash-IDE disk.
However, let's try the external bitmap:
# mdadm --grow /dev/md0 --bitmap=/bitmapfile
mdadm: Cannot set bitmap file for /dev/md0: Device or resource busy
So, it also fails. Perhaps because the array still rebuilds?
A 95644 byte /bitmapfile was created.
I'll try again when the array is done with rebuilding. According to
/proc/mdstat, it would be 6 more hours.
--
Tomasz Chmielewski
http://wpkg.org
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