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Oct
2
Sat
Posted By Ritesh Chhajer on Saturday, October 02, 2010
8140 Views | 1 Comments

EMC Powerpath basically provides multipathing and improves I/O over SAN. When dealing with CLARiiON array, database backup would be taken at LUN level using Navisphere CLI(naviseccli) snapview that would allow to create a copy of LUN using snapshots. That's why it becomes highly imperative to have mapping of LUN to physical device and ASM diskgroup. I'll be covering on the script to have that kind of mapping using powerpath management utility and also a little bit on I/O.

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Jul
30
Fri
Posted By Ritesh Chhajer on Friday, July 30, 2010
15043 Views | 15 Comments

For last few months, I've been busy like hell dealing with umpteen number of Oracle 11gR2 RAC installations and upgrades and it's been a roller coaster ride discovering a new feature or bug every day. So I reckon it's high time to consolidate and put together a summarized checklist for fellow DBAs. Obviously, I won't be able to cover all the 11gR2 features but nevertheless would like to share my learnings and discoveries.

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RAC



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