Contents 15
Using DM Multipathing Devices . . . . . . . . . . . . 220
Prerequisites . . . . . . . . . . . . . . . . . . . . 220
Device Mapper Configuration Steps. . . . . . . . 221
Limitations and Known Issues. . . . . . . . . . . . . . 227
Troubleshooting . . . . . . . . . . . . . . . . . . . . . 228
15 Management: Firmware Downloads . . . . . . . . . . . . . . . . . . . . . . 229
Downloading RAID Controller and
NVSRAM Packages . . . . . . . . . . . . . . . . . . . 229
Downloading Both RAID Controller and
NVSRAM Firmware . . . . . . . . . . . . . . . . . . . 230
Downloading Only NVSRAM Firmware. . . . . . . . . 232
Downloading Physical Disk Firmware . . . . . . . . . 235
Downloading MD1200 Series Expansion
Module EMM Firmware . . . . . . . . . . . . . . . . . 237
Self-Monitoring Analysis and
Reporting Technology (SMART). . . . . . . . . . . . . 238
Media Errors and Unreadable Sectors . . . . . . . . . 239
16 Management: Installing Array Components . . . . . . . . . . . . . . . . . . . . . 241
Recommended Tools. . . . . . . . . . . . . . . . . . . 241
Front Bezel (Optional) . . . . . . . . . . . . . . . . . . 242
Removing the Front Bezel . . . . . . . . . . . . . 242
Installing the Front Bezel. . . . . . . . . . . . . . 242
book.book Page 15 Tuesday, June 18, 2013 3:03 PM