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 ...

Get SAN Volume Controller: Best Practices and Performance Guidelines now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.