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Titanium Performance Update 2. 5/8/09. Dot Hill Confidential. Titanium Performance Update May 2009. Latest Titanium T100 numbers using the production target 6Gb hardware architecture (SAS2008 rev B1). Titanium Sequential Performance.
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TitaniumPerformance Update 2 5/8/09 Dot Hill Confidential
Titanium Performance Update May 2009 Latest Titanium T100 numbers using the production target 6Gb hardware architecture (SAS2008 rev B1). Dot Hill Confidential (Restricted Access)
Titanium Sequential Performance • Titanium is lower than Mercury on small block disk accessed reads (SC processor limited) • Titanium catches up and out-performs Mercury on larger block accesses (64KB request size) • Throughput demanding streaming applications issue larger block requests Dot Hill Confidential (Restricted Access)
Titanium Sequential Performance Titanium Sequence Performance • Titanium has good throughput performance with no command queue (QD = 1) • This dual host access profile has each streaming client issuing different geometry positions for a LUN Dot Hill Confidential (Restricted Access)
Titanium Random Performance • Titanium similar to Mercury on random reads for apples to apples (96 drive) configuration • Titanium significantly out-performs Mercury on deep queued random write performance Dot Hill Confidential (Restricted Access)
Titanium Random Performance • Titanium can deliver the higher random read transaction performance for 144 drives (IOpS 240/drive @ QD 8/drive) • Test case shown is a single dual port host issuing 512 queues per FC port • Titanium has a similar issue as seen in M110R19 with additional drives on deep queued small block writes Dot Hill Confidential (Restricted Access)