Category Archives: raid

StorMan Adaptec Controller Cheatsheet

Posted on May 21, 2009 by Matthew Yonkovit

Not really a MySQL related topic, but so I do not forget later on and for those who end up working with the StorMan CLI to manage their controller cards I thought I would publish my quick down and dirty … Continue reading →

Posted in hardware, linux, performance, raid | Comments Off

Tease me, SUN SSD Benchmarks

Posted on April 12, 2009 by Matthew Yonkovit

Only a little over a week before the User conference and I am still burning the midnight oil to get as much information for my presentations as possible. I thought I would tease you a bit here. What do you … Continue reading →

Posted in hardware, linux, Matt, mysql, performance, raid, Uncategorized | 5 Comments

Testing Performance on a Texas Memory System RAMSAN-500 pt3

Posted on March 8, 2009 by Matthew Yonkovit

This is part 3 in my RAMSan Series. While I am confident the read-only test was a reasonably good test ( I just needed to push more ), my mixed load test was marred by issues.  It was really a … Continue reading →

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Testing Performance on a Texas Memory System RAMSAN-500 pt2

Posted on March 7, 2009 by Matthew Yonkovit

This is part 2 of My RAMSan Series. In my normal suite of benchmarks I typically run dbt2 & sysbench oltp benchmarks next…  and I did run then, but to be honest they just weren’t that interesting.  They showed an … Continue reading →

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Testing Performance on a Texas Memory System RAMSAN-500

Posted on March 6, 2009 by Matthew Yonkovit

Well its about time I posted this:)  This is part 1 of 3 in my Ramsan series. For those who have paid attention to my blog, know I love talking  IO!  I also love performance.  Absolutely love it.  Love disk, … Continue reading →

Posted in hardware, linux, mysql, performance, raid | 7 Comments

Intel x-25m80GB in the house…. woot!

Posted on October 31, 2008 by Matthew Yonkovit

Seeing my recent love affair with solid state drives I thought I would test drive one of the latest greatest drives out their the 80GB intel x-25m80GB.  Like a child on Christmas morning, I felt true excitement as the generic … Continue reading →

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Dell/LSI Mega raid CLI command cheatsheet

Posted on July 2, 2008 by Matthew Yonkovit

Wanted to remember these for later: DELL PERC 6i & LSI RAID CHEAT SHEET: To add a RAID 10: ./MegaCli64 -CfgSpanAdd -R10 -Array0[17:0,17:1] -Array1[17:2,17:3] -Array2[17:4,17:5] -Array3[17:6,17:7] -Array4[17:8,17:9] WB NORA  -strpsz64 -a0 (WB is write back, WT is write through) (NORA … Continue reading →

Posted in hardware, linux, raid | 1 Comment

Sysbench weirdness on SLES 10

Posted on June 20, 2008 by Matthew Yonkovit

Wanted to note some weirdness in using sysbench’s rnrd tests on SLES 10.  Running some bencharks for a client on their new SAN this week and ran into an interesting issue.  Whenever I run sysbench with the following: time sysbench … Continue reading →

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SSD and MySQL Tests… The logic behind the tests & wondering did I break it?

Posted on February 16, 2008 by Matthew Yonkovit

Over the last several weeks I have been testing out the 2 mtron drives that easy computing company provided me. In fact I have been testing like a madman. Nightly I would kick off a batch of DBT2 tests, sysbench … Continue reading →

Posted in hardware, linux, mysql, performance, raid | 4 Comments

XFS & Centos 5 & MySQL Performance

Posted on February 9, 2008 by Matthew Yonkovit

OK, Sometimes you stumble onto things that are just not right. On my own personal set of hardware (independent from the Server with the IBM Raid card) I am still running Tests with the Mtron flash drives. I noticed a … Continue reading →

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