9.04, ext4 and the open-write-close-rename debacle
macoafi at gmail.com
Wed May 6 16:28:19 UTC 2009
On Miércoles 06 Mayo 2009 12:14:47 PM Patrick Goetz wrote:
> In his blog, Ted Ts'o comments that the 2.6.30 patch for this has been
> backported by Canonical to 9.04 (I think somewhere in the comments to
> this entry)
> Can anyone confirm that if I start formatting file servers with
> 9.04-based ext4 partitions users won't be faced with losing dozens of
> recently saved files if the server happens to crash?
Are you looking for a guarantee that no data loss will happen with ext4? It's
still a new filesystem, and no filesystem is 100% safe to begin with...
If you're just looking for "yes that patch is applied so the common case is
fixed" ...then yeah, you're relatively safe.
What I did on my laptop is I put / as ext4 for the fast boot and /home is
still ext3 (1. didn't want to go through migration 2. it *is* a new filesystem
after all...). The user's data is just as safe or unsafe as before because
user's data is still on ext3. A bug *may* crop up that harms the system
itself, but a reinstall is nothing compared to user-data-loss.
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