
Contents 11
Copy Manager . . . . . . . . . . . . . . . . . . . . . . 159
Copying the Virtual Disk
. . . . . . . . . . . . . . . . . 159
Storage Array Performance During Virtual
Disk Copy
. . . . . . . . . . . . . . . . . . . . . . . . 160
Setting Copy Priority
. . . . . . . . . . . . . . . . . . . 161
Stopping a Virtual Disk Copy . . . . . . . . . . . . . . 161
Recopying a Virtual Disk
. . . . . . . . . . . . . . . . 162
Preparing Host Servers to Recopy
a Virtual Disk
. . . . . . . . . . . . . . . . . . . . 162
Recopying the Virtual Disk . . . . . . . . . . . . . 163
Removing Copy Pairs . . . . . . . . . . . . . . . . . . 164
12 Configuration: Premium Feature—
Upgrading to High-Performance-Tier . . 165
13 Configuration: Device Mapper
Multipath for Linux . . . . . . . . . . . . . . . . 167
Overview. . . . . . . . . . . . . . . . . . . . . . . . . 167
Using DM Multipathing Devices
. . . . . . . . . . . . 168
Prerequisite Steps
. . . . . . . . . . . . . . . . . 168
Device Mapper Configuration Steps
. . . . . . . . 169
Limitations and Known Issues
. . . . . . . . . . . . . . 174
Troubleshooting
. . . . . . . . . . . . . . . . . . . . . 175
book.book Page 11 Monday, June 21, 2010 11:00 AM