[Lustre-devel] some thoughts on COS

Nikita Danilov Nikita.Danilov at Sun.COM
Mon Jun 30 03:11:05 PDT 2008

Alex Zhuravlev writes:
 > Hi,
 > all access to an object can be broken into 3 phases:
 > 1) lock is acquired and used to modify data, no concurrent
 >     access as data is inconsistent
 > 2) data is consistent, but uncommitted; thus same client can
 >     access data, others can not

Other clients cannot read uncommitted data, but they can safely
overwrite them. Do we care about such use cases?

 > 3) all clients can access data


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