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Workload Analysis considering Cache as I migrate to G400

Question asked by Anthony Reaves on Feb 17, 2017
Latest reply on Feb 23, 2017 by Hyunpyo Jeon

I have an application that is bursty, but generally 100% writes and it is 24x7.  It overwrites old data every week.  Normally I would take the peak, multiply by 1.10, and that would be my target//normally I wouldn't try to calculate write cache impacts to the workload.  However, because this is bursty, and I will be migrating a dozen machines with workloads just like this example to my new G400s, it suddenly becomes a sizable workload.  I don't want to waste too many spindles.

 

Any thoughts as far as how you would curve the peaks of burst based on 32GB of G400 write cache if it was yours? 

 

Thanks!

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