March 2008
Intermediate to advanced
326 pages
10h 22m
English
book
SAN Volume Controller: Best Practices and Performance Guidelines
by Jon Tate, Deon George, Thorsten Hoss, Ronda Hruby, Ian MacQuarrie, Barry Mellish, Peter Mescher
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Chapter 13.5.5. HBA replacement
Page 250
250 SAN Volume Controller: Best Practices and Performance Guidelines 3. If there are hosts attached to the switch, gracefully take the paths offline. In SDD, the appropriate command is datapath set adapter X offline where X is the adapter number. While technically this is not necessary, it is nevertheless a good idea. Follow the procedure in 13.5.1, “ Cross- referencing the SDD adapter number with the WWPN” on page 248 for details. 4. Power off the old switch. Note that the SVC will log all sorts of error messages when you power off the old switch. Perform at least a spot- check of your hosts to make sure that your access to disk still works. 5. Remove the old switch, put in the new switch, and power it ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.