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Figure 12. Dual expansion cabling diagram
Expanding With Previously Configured PowerVault MD1200 Series Expansion
Enclosures
Use this procedure if your expansion enclosure is directly attached and configured with a Dell PowerEdge
RAID Controller (PERC) H800 adapter. Data from virtual disks created on a PERC H800 adapter cannot be
directly migrated to a storage array or an expansion enclosure connected to a storage array.
CAUTION: If a PowerVault MD1200 series expansion enclosure that was previously attached to
PERC H800 adapter is used as an expansion enclosure to a PowerVault MD34xx/MD38xx series
storage array, the physical disks of the expansion enclosure are reinitialized and data is lost. You
must back up all data on the expansion enclosure before attempting the expansion.
1.
Back up all data on the expansion enclosures.
2.
Upgrade the expansion enclosure firmware to the latest version available at Dell.com/support while
the enclosure is still attached to the PERC H800 RAID controller.
Windows systems users can reference the DUP.exe package and Linux kernel users can reference
the DUP.bin package.
3.
Ensure that the storage array software is installed and up to date before adding the expansion
enclosures. For more information, see the Dell PowerVault MD34xx/MD38xx Support Matrix at
Dell.com/support/manuals.
a. Install the software and driver package included on the PowerVault MD series resource media. For
information about installing the software, see the topic "Installing PowerVault MD Storage
Software".
b. Update the storage array RAID controller module firmware and NVSRAM to the latest versions
available at Dell.com/support.
c. Using MDSM, click Tools → Upgrade RAID Controller Module Firmware → Enterprise
Management Window (EMW).
4.
Stop all I/O and turn off the system and attached units.
a. Stop all I/O to the storage array and turn off the host systems attached to the storage array.
b. Turn off the storage array.
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