Re: [lopsa-discuss] async replication

2010-05-18 Thread Doug Hughes
Edward Ned Harvey wrote: >> From: discuss-boun...@lopsa.org [mailto:discuss-boun...@lopsa.org] On >> Behalf Of Yves Dorfsman >> >> For a site I am working at, we're looking at NAS async replication >> across >> continents (latency > 100 ms). We've just started looking at this, and >> are >> right n

Re: [lopsa-discuss] async replication

2010-05-18 Thread Yves Dorfsman
On 10-05-18 06:14 AM, Doug Hughes wrote: > Edward Ned Harvey wrote: >>> From: discuss-boun...@lopsa.org [mailto:discuss-boun...@lopsa.org] On >>> Behalf Of Yves Dorfsman >>> >>> For a site I am working at, we're looking at NAS async replication >>> across >>> continents (latency > 100 ms). We've ju

Re: [lopsa-discuss] async replication

2010-05-18 Thread Yves Dorfsman
On 10-05-17 01:14 PM, John Stoffel wrote: > > Yves> * when a file is open for writing on one node, it is locked and > Yves> becomes read only on the other nodes (locking done by the NAS > Yves> device/filesystem, not the apps). > > Key. Yes. > Yves> * replication is done as the file gets wri

Re: [lopsa-discuss] async replication

2010-05-18 Thread Yves Dorfsman
On 10-05-17 09:58 PM, Edward Ned Harvey wrote: >> From: discuss-boun...@lopsa.org [mailto:discuss-boun...@lopsa.org] On >> Behalf Of Yves Dorfsman >> >> For a site I am working at, we're looking at NAS async replication >> across >> continents (latency> 100 ms). We've just started looking at this,

[lopsa-discuss] SQL Server 2008 education

2010-05-18 Thread Luke Quattrochi
The question: What book should I read to begin SQL Server 2008 administration? I wouldn't mind getting the cert "MCTS: SQL Server 2008, Implementation and Maintenance" out of it. The context: The time has come to add SQL administration to my generalist repertoire. I have enough SQL knowledge to

Re: [lopsa-discuss] async replication

2010-05-18 Thread Doug Hughes
Yves Dorfsman wrote: > Are you sure? Have you used GPFS that way? > > We specifically asked IBM about GPFS (we even run GPFS on a local cluster), > and they said they could not do the async rep. with the automatic locking. I > will go and dig into the manual, but if you could confirm you have don