Upgrading Single Controller To Dual Controller System; Connection Between Raid And Jbod - Infortrend EonStor DS 4000 Series Hardware Manual

Upgrading Single Controller to Dual Controller System

If the model name of a single controller RAID/JBOD is designated with the letter "S",
it can be upgraded into a dual-controller configuration by adding another controller
module and firmware upgrade (see software manual). If the model name is
designated with a "G", it is not upgradeable to a dual controller configuration.
 ESDS 4016S: Upgradeable
 ESDS 4016G: NOT upgradeable
For details, please contact your vendor for details.

Connection between RAID and JBOD

The following rule applies when connecting RAID and JBOD(s):
 Dual-controller RAID connects to dual-controller JBOD.
 Single-controller RAID connects to single-controller JBOD.
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