Re: operate one file in multi clients with libceph

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> The libceph API is not yet very well tested.
> Can you simply mount the filesystem from both hosts using the kernel
> client and have your application open/access the single file with the
> standard system call interface?


Hi Brian,

There are three reasons for using libceph API:
1. My application could use non-posix API, like libceph and librbd,
very conveniently and flexible.
2. If using the kernel client, performance will reduce because of the
VFS layer. I have done some test for a comparison two weeks ago.
3. If error or exception appear int the kernel client, the whole
machine may be not able to work.

Thx!
Simon
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