Dell PowerVault MD3820f - Manual (Page 7)

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When using out-of-band management with SMcli by
specifying the RAID Controller management port IP
addresses on the MD Storage Array, SMcli commands that
change the attributes of a virtual disk, virtual disk copy, or
snapshot virtual disk, must have management access to
the owning RAID Controller Module. Where applicable, it
is best practice to specify both management port IP
addresses on the SMcli invocation:
SMcli 192.168.128.101 192.168.128.102 –c
  
On Linux systems Device Mapper multipathing drivers are
required for multipath support.
  
Co-existence of several Linux multi-path drivers is not supported.
When using a MD3400 or MD3800 series array with Linux host
servers only the Linux Device Mapper failover driver is
supported.
**
  
Virtual disks on MD Series Storage Arrays cannot be used for
booting.
  
Disk Groups can be migrated between a Dell PowerVault
MD3460/3860i/3860f by following the appropriate Disk Group
migration procedure***
  
Disk pools cannot be migrated.   
Greater than 180 physical disks for Disk Pooling is not currently
supported.
  
Maximum capacity per array for dynamic disk pooling. 1024 TB 1024 TB 1024 TB
All iSCSI Host ports on a controller have to be at the same
port speed
N/A  N/A
iSCSI Host ports will only auto-negotiate to the port speed set in
MDSM
N/A  N/A
Maximum 12Gbps SAS cable length supported is 6m.   