On 07/21/2015 04:24 PM, Gena Makhomed wrote:
On 22.07.2015 0:11, Kir Kolyshkin wrote:
The biggest problem with simfs appears to be security. We have recently
found a few bugs (not in simfs per se, but in the kernel in general,
i.e. these
are not our bugs for the most part) that can be exploited to escape
the simfs and let container access the host file system. One single bug
like that should have everyone who is at least slightly concerned about
security to move to ploop. And there were a few :(
simfs need for using OpenVZ with ZFS
Other "why not simfs" considerations are listed at
http://openvz.org/Ploop/Why#Before_ploop
there are three levels:
1. before ploop: simfs over ext4
2. with ploop: ext4 over ploop over ext4
3. after ploop: simfs over ZFS
comparing (1) and (2) - ploop win,
but compating (2) with (3) - simfs win!
For one thing, I wonder how you use live migration with zfs,
can you please tell us?
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