Daniel Lezcano wrote:
> Serge E. Hallyn wrote:
>> Quoting Daniel Lezcano ([email protected]):
>>
>>> Dietmar Maurer wrote:
>>>
>>>> Hi Daniel,
>>>>
>>>> I think we should have several options for the root storage:
>>>>
>>>> 1.) simply use the host filesystem (like Openvz)
>>>>
>>>> - special quota support is needed (simfs?)
>>>>
>>>> - quota support depends on ext3 fs, so this only works for
>>>> local attached storage (does not work on NFS)
>>>>
>>>> - LVM snapshots are slow, because the snapshot includes all
>>>> container
>>>> on that filesystem.
>>>>
>> I'm looking forward to the btrfs, tux3, and nilfs snapshotting
>> capabilities.
>>
> Interesting, especially the nilfs.
> The COW file systems is missing in the linux kernel. Do you think the
> btrfs has a chance to go to mainline ?
We've been using NILFS (v1) for 2 years already with Zap, and it works
quite well. We had to make slight (trivial) changes to be able to
control it nicely for c/r purposes.
See our DejaView paper at
http://www.ncl.cs.columbia.edu/publications/sosp2007_dejaview.pdf
Oren.
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