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Re: Dropped Frames with Vtrak Promise RAID

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Re: Dropped Frames with Vtrak Promise RAID
by Casey McGee on Jul 25, 2008 at 6:30:37 pm

Just wanted to report that the dropped frames issue has been solved for the time being.

I contacted Promise Support and in viewing the logs discovered we had a faulty drive, even though we had a backup drive tasked to the array where the bad drive wasm we had PDM enabled on each array so the Promise Tech guy said that would lead to performance issues.

So even though the SAN would work, if you put a lot of stress on it, it would fail. So here's what we did:

1. Initialized the fauly drive and tasked it as the spare to the new Metadata LUN
2. Disabled PDM on each array
3. Hook up fiber connectivity between previously empty ports on our Promise Box to our fiber switch.

I have been capturing 2 streams of HD Pro Res 422 HQ for the past 30 minutes on both systems with no issues,

I really want to put the system through the wringer and make sure our current setup can handle some demanding stresses. Is there a good test that anyone can recommend? We only have 2 clients on our SAN.



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