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тАО04-17-2003 05:36 AM
тАО04-17-2003 05:36 AM
Currently we have our Oracle data on 1 controller and the indexes on another controller. The log files are primarily on the controller the Oracle data resides.
Does anyone have any suggestions on arrange the logs in the array to get the best performance?
Solved! Go to Solution.
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тАО04-18-2003 06:33 AM
тАО04-18-2003 06:33 AM
SolutionBut first, the basics; Firmware must be HP18. Normal resiliency, Prefetch enabled, Optimize Enabled. Use the armdsp ???a to verify the current settings. Use armmgr to change. Contact HP for the firmware upgrade.
Write again when the array is in this configuration if you still have a problem. Include the output from armdsp -a.
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тАО04-18-2003 07:44 AM
тАО04-18-2003 07:44 AM
Re: Oracle Logs
Think about this configuration:
Creating two seperate luns on each redundancy group, RG1 and RG2, then create two seperate PV's and add them to one VG and stripe your LV's across each PV using pvlinks. Make sure you have the primary LVM PV-Link going to its own controller and RG and you'll get the best performance.
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тАО04-18-2003 07:57 AM
тАО04-18-2003 07:57 AM
Re: Oracle Logs
Read
http://otn.oracle.com/deploy/availability/pdf/SAME_HP_WP_112002.pdf
NUTSHELL:
Alternate striping across all the controllers for all of the data; stripe all of the data across all of the LUNs.
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тАО04-18-2003 09:18 AM
тАО04-18-2003 09:18 AM
Re: Oracle Logs
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тАО04-18-2003 11:10 AM
тАО04-18-2003 11:10 AM
Re: Oracle Logs
Which you have from your attachement:
Product Revision:_____________________HP18
Simplified Resiliency Setting:________Normal Performance (Default)
Enable Prefetch:______________________True
Enable Optimize Policy:_______________True
Trust me when I say "..better to have one big LUN in vg than many little LUNs...."
Try this link:
http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0x141c31ec5e34d711abdc0090277a778c,00.html
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тАО04-18-2003 12:43 PM
тАО04-18-2003 12:43 PM
Re: Oracle Logs
Thanks a lot everyone. Especially Roger.