On 09/20/2013 06:36 AM, Murali Balcha wrote:
Hi, I have couple of questions on libgfapi. 1.Can two or more clients on either same host or different hosts access single volume thru libgfapi?
Yes, it is possible.
2.How do clients synchronize access to files? I believe both clients have their instance of client side translators loaded, right?
Yes, Both clients will have their own instances of client xlators loaded. GlusterFS/libgfapi has support for advisory posix locking and applications can make use of that if multiple application instances need to synchronize access to files. If a replicated gluster volume is used, the afr translator makes use of a transaction framework to synchronize updates and provide consistency.
3.Does it use lk translator for synchronizing access to files?
Yes, the lk translator loaded on the server stack is used for synchronization.
Regards, Vijay
