Re: [patch] ext2/3: document conditions when reliable operation is possible

[Chris Adams]

Once upon a time, Theodore Tso  <tytso@xxxxxxx> said:
>I'll note, BTW, that AIX uses a journal to protect against these sorts
>of problems with software raid; this also means that with AIX, you
>also don't have to rebuild a RAID 1 device after an unclean shutdown,
>like you have do with Linux MD.  This was on the EVMS's team
>development list to implement for Linux, but it got canned after LVM
>won out, lo those many years ago.

See mdadm(8) and look for "--bitmap".  It has a few issues (can't
reshape an array with a bitmap for example; you have to remove the
bitmap, reshape, and re-add the bitmap), but it is available.
-- 
Chris Adams <cmadams@xxxxxxxxxx>
Systems and Network Administrator - HiWAAY Internet Services
I don't speak for anybody but myself - that's enough trouble.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/