Dell PowerVault MD3220 - Manual (Page 12)

12 Contents
Recopying a Virtual Disk . . . . . . . . . . . . . . . . 174
Preparing Host Servers to
Recopy a Virtual Disk . . . . . . . . . . . . . . . 174
Re-Copying a Virtual Disk . . . . . . . . . . . . . 175
Removing Copy Pairs . . . . . . . . . . . . . . . . . . 176
12 Configuration: Premium Feature—
Upgrading to High-
Performance-Tier
. . . . . . . . . . . . . . . . .
177
13 Configuration: Device Mapper
Multipath for Linux
. . . . . . . . . . . . . . . .
179
Overview . . . . . . . . . . . . . . . . . . . . . . . . 179
Using DM Multipathing Devices . . . . . . . . . . . . 180
Prerequisite Steps . . . . . . . . . . . . . . . . 180
Device Mapper Configuration Steps . . . . . . . 181
Limitations and Known Issues . . . . . . . . . . . . . 187
Troubleshooting . . . . . . . . . . . . . . . . . . . . 188
14 Management: Firmware
Downloads
. . . . . . . . . . . . . . . . . . . . . . .
189
Downloading RAID Controller and
NVSRAM Packages
. . . . . . . . . . . . . . . . . . 189
Downloading Both RAID Controller and
NVSRAM Firmware
. . . . . . . . . . . . . . . . . . 190
Downloading Only NVSRAM Firmware
. . . . . . . .
192
book.book Page 12 Tuesday, June 18, 2013 2:53 PM