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SubjectRe: [PATCH] SMP race in ext2 - metadata corruption.
Date
Alan writes:
> > Actually, the EVMS project does exactly this. All I/O is done on a full
> > disk basis, and essentially does block remapping for each partition. This
> > also solves the problem of cache inconsistency if accessing the parent
> > device vs. accessing the partition.
>
> Interesting. Can EVMS handle the partition labels used by the LVM layer - ie
> could it replace it as well ?

Yes, they already support all current LVM volumes (including snapshots).
However, the user-space tools to set up new LVM volumes and manage existing
ones is not ready yet. The last I talked with the IBM folks (a week ago),
they said they were starting to work on the user-space tools.

Because the whole partition/volume code is modular in EVMS, they will be able
to handle AIX LVM, HP/UX LVM, etc. volumes in addition to the normal DOS or
other partitions.

Cheers, Andreas
--
Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto,
\ would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert
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