[Lustre-devel] Recovering opens by reconstruction

Alex Zhuravlev Alex.Zhuravlev at Sun.COM
Wed Jul 8 10:15:51 PDT 2009

Nicolas Williams wrote:
> Another problem with using locks for open state is that establishing the
> lock atomically with an open w/ create won't be easy.  The MDT would
> have to enqueue a lock for itself atomically with the create, then the
> client would have to enquee its lock, then the MDT would have to drop
> its lock.  Would this not be much more complex that open RPC
> reconstruction?

we already have open locks which are taken in atomical manner with create.

thanks, Alex

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