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Daniel Valladares
Hello People, please I need your help. Time by time one of my HUR journal keep growing, some time reach PFUL and go back to PAIR other suspend and stay in PSUE and we need to resync.   To identify the guilt We always open a case with Hitachi to found which LDEV's  was responsabily for the high rate of changes in the Journal.   How is the easy… (Show more)
in Performance and Sizing
Joao Serra
Trying to enlighten myself (and the Customer) about the way a Compressed FMD-C pool gets it's physical space consumed, I came across a value that seems to fluctuate across time. Its some Terabytes that sit between what's physically consumed by V-Vols and what the systems actually reports as consumed.   In this case, 7,7TB are difficult to… (Show more)
in Performance and Sizing
Joao Serra
Hi. Can someone share compression ratios seen on systems running FMD DC2 pools, feeding an Oracle 11g (or any other DB) environment? We are getting a 45% saving and can't actually say if its a good or bad number.   Regards. JS
in Performance and Sizing
Jill Ross
Hitachi Infrastructure Analytics Advisor (HIAA) is an advanced IT analytics solution that provides comprehensive storage performance management and diagnostics to optimize business applications.   This video demonstrates how to use Infrastructure Analytics Advisor to quickly identify, isolate and determine the root cause of a performance…
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in Performance and Sizing
Daniel Kleeman
Hi, we are interested in monitoring the performance of a G200 storage device. The performance guide (https://origin-download.hds.com/download/epcra/hm80121.pdf) refers to Hitachi Performance Monitor. This sounds ideal but I cannot locate the software to download. I do not particularly want to use HTnM and we do not have a licence for it. 
in Performance and Sizing
Neil Esposito
Is there any document that discusses best practice for RAID on FMD DC2? I know everyone is saying RAID-5 but I need a document to show a customer why. I also know the MTBF is greater on FMD because of the write algorithms and being solid stare. help!
in Performance and Sizing
Michael Reiber
How do judge how many nodes you need to meet a performance requirement with HCP?
in Performance and Sizing
Greg Crosswhite
Does anyone know if Hitachi plans to start collecting Read/Write response rate for the RAID_PI_PTS agent? I would like to query this information via the REST api.  The columns are there, but are '0' filled.
in Performance and Sizing
Michael Ratner
This how-to guide describes the main steps to obtain, install, configure and run the COSBench performance benchmark tool. It explains basic concepts, provides some recommendations, and gives specific examples of typical HCP workloads for reference.
in Performance and Sizing