Support Matrix

Dell EMC PowerVault ME4 Series storage
system rules
This section contains both general and model-specific connectivity and consideration rules for Dell EMC PowerVault ME4
storage systems. The rules that are listed in the following table apply to all Dell EMC PowerVault models. For rules applying
to specific Dell EMC PowerVault ME4 models, see Dell EMC PowerVault ME4 Series Storage System Rules for Non-dense,
2U Models Only (Dell EMC PowerVault ME4012 and ME4024) and Dell EMC PowerVault ME4 Series Storage System rules for
dense, 5U models only (Dell EMC PowerVault ME4084).
NOTE: The Dell EMC PowerVault ME4084 platform is supported in dual-controller module configurations only.
Table 2. Dell EMC PowerVault ME4 Series Storage System Rules for All Models
Rule SAS 10GBase-T
iSCSI
CNC
Maximum number of host servers a single storage system can connect to with one
RAID controller module installed
4 256 256
Maximum number of host servers a single storage system can connect to with two
RAID controller modules installed
8 (4, if
using high
availability
or
redundancy
)
256 256
Maximum number of Dell 12 Gbps SAS HBA cards supported in a single host server
attached to single system (Dell recommends that you use two Dell 12 Gb SAS HBA
cards for all redundant cabling configurations)
2 (each
card has
two ports)
N/A N/A
Unused ports on a Dell EMC 12 Gbps SAS HBA card already connected to a Dell EMC
PowerVault ME4 SAS storage system cannot connect to another device (such as a
tape drive or other model storage system)
N/A N/A
Maximum number of Dell EMC PowerVault ME4 Series storage system a host server
may connect to
2 (HA) 4 4
A hot-spare for a disk group must be a physical disk drive of equal or greater size than
any of the member disks
On Linux systems, Device Mapper multipath is required for multipath support
Coexistence of several Linux multi-path drivers is not supported. When using a Dell
EMC PowerVault ME4 series storage system with Linux host servers, only the Linux
Device Mapper failover driver is supported
Virtual disks on Dell EMC PowerVault ME4 Series storage system cannot be used for
booting
Disk Groups can be migrated between a Dell EMC PowerVault ME4 Series storage
systems by following the appropriate disk pool migration procedure
Maximum SSD cache size allowed is two SSDs
All iSCSI host ports on a controller must have the same port speed N/A
Maximum 12 Gbps SAS cable length supported is 4 m
3
6 Dell EMC PowerVault ME4 Series storage system rules