Veritas Volume Manager 5.1 SP1 Administrator"s Guide (5900-1506, April 2011)

Displaying information about controllers ................................. 166
Displaying information about enclosures .................................. 167
Displaying information about array ports ................................. 168
Displaying extended device attributes ..................................... 168
Suppressing or including devices for VxVM or DMP control ......... 170
Gathering and displaying I/O statistics ..................................... 171
Setting the attributes of the paths to an enclosure ...................... 177
Displaying the redundancy level of a device or enclosure ............. 178
Specifying the minimum number of active paths ........................ 179
Displaying the I/O policy ....................................................... 180
Specifying the I/O policy ........................................................ 180
Disabling I/O for paths, controllers or array ports ...................... 187
Enabling I/O for paths, controllers or array ports ....................... 188
Renaming an enclosure ......................................................... 189
Configuring the response to I/O failures ................................... 189
Configuring the I/O throttling mechanism ................................ 191
Configuring Subpaths Failover Groups (SFG) ............................. 192
Configuring Low Impact Path Probing ...................................... 192
Displaying recovery option values ........................................... 192
Configuring DMP path restoration policies ................................ 194
Stopping the DMP path restoration thread ................................ 195
Displaying the status of the DMP path restoration thread ............ 196
Displaying information about the DMP error-handling
thread .......................................................................... 196
Configuring array policy modules ............................................ 196
Chapter 5 Online dynamic reconfiguration ..................................... 199
About online dynamic reconfiguration ........................................... 199
Reconfiguring a LUN online that is under DMP control ...................... 199
Removing LUNs dynamically from an existing target ID .............. 200
Adding new LUNs dynamically to a new target ID ....................... 202
About detecting target ID reuse if the operating system device
tree is not cleaned up ...................................................... 203
Scanning an operating system device tree after adding or
removing LUNs .............................................................. 203
Cleaning up the operating system device tree after removing
LUNs ............................................................................ 203
Upgrading the array controller firmware online ............................... 204
Replacing a host bus adapter ........................................................ 205
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