You'll get same results as from editing the same file from two different
processes without any lxc involved: anything can happen to a file, but
the filesystem must be totally OK with it.
--
With Best Regards,
Marat Khalili
On 21/04/17 13:09, Werner Hack wrote:
Maybe I have not expressed myself clearly.
I want to add the same data directory to multiple containers (bind mount).
The data is stored in a zfs pool if this is relevant to my question.
Now, we presume there are two independant users (or services) working
on two different containers.
They are editing the same file on the common data storage at the same
time.
Can this corrupt my filesystem or is this managed by the host (or
kernel or whatever) correctly?
Could this be a problem and I damage my filesystem this way?
Thanks in advance
Werner Hack
On 04/20/2017 03:37 PM, T.C 吳天健 wrote:
I think lxc just do bind mount for you. It will or not damage file
depends on the device file nature. For example, block device allows
multiple process read-write. Some other drive file might not allow
multiple entry.
2017年4月20日 下午9:21，"Werner Hack" <[email protected]
<mailto:[email protected]>>寫道：
Hi all,
I want to mount (lxc device add) the same path on multiple
containers.
Is this possible or will I damage my filesystem this way?
How is concurrent (write) access to the same directory from
multiple containers handled?
Is this managed with lxd daemon or the kernel and I have not to
worry about it?
Or have I to use a cluster filesystem in this case?
Thanks in advance
Werner Hack
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