Jetstress: You may receive ESE event ID 215.

This is a known issue in Jetstress. This is so benign that it never affects your testing in terms of correctness, performance, and security. Please, train yourself to ignore this benign error until I can make the fix available in a later web release: Event Type:            ErrorEvent Source:        ESEEvent Category:    Logging/Recovery Event ID:                  215        Date:                         3/28/2007Time:                        10:47:26 PMUser:                        …

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Jetstress: Unevenly distributing users across storage groups.

Question: I have uneven distribution of users across storage groups. Storage group 1 has 700 GB with 739 users and storage group 2 has 350 GB with 261 users. Can I run multiple instances of JetstressWin.exe or JetstressCmd.exe (one instance per storage group) for database files of different sizes that I have manually prepared? Answer:…

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Q&A: What do capacity percentage and throughput percentage do?

— Excerpted from Jetstress CHM help documentation —                             There are options to size the test databases using the percentage of the maximum storage capacity, and target I/O throughput (IOPS) by the percentage of the maximum throughput capacity of the disk subsystem.   Jetstress reserves 25% of the initial database file size for its future…

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Use AdPlus to troubleshoot process hangs

AdPlus hang-mode creates a directory in the current directory (or the output directory if specified) called Hang_Mode__Date_mm-dd-yyyy__Time_HH-MM-SS. This means you can continue to run the same ADPlus command line repeatedly without losing your data. 1. Install Debugging Tools for Windows 64-bit Version — Download 6.6.7.6 , or    Install Debugging Tools for Windows 32-bit Version — Download 6.6.7.6…

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How to pester Error Reporting immediately

1. Jetstress or Load Generator would send ‘offline’ Watson reports to the admin queue — which is located at “%SystemRoot%\PCHEALTH\ERRORREP\QSignoff”— you can send them through a file transfer service on your own. 2. The customer uses eventvwr.msc to see the application event generated. 3. The customer makes a note on the bucketing parameters — P7…

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Exchange Server Jetstress (08.01.0075)

Exchange Server Jetstress (08.01.0075) March 7, 2007. Verify the performance and stability of the disk subsystem before putting the Exchange server into a production environment. • 64-bit download • 32-bit download Here is a list of issues that are all fixed in this March release.

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Jetstress: How to include your counters in performance log.

Months ago, I got a storage vender’s feedback that his job will become a lot easier if he can define additional performance counters for his storage hardware to the performance log. I decided to provide him with a convenient way to add new performance counters (but, no way to suppress existing performance counters). When you…

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