Concurrent maintenance on the IBM DS6000
Concurrent maintenance is the capability to complete I/O operations to an IBM DS6000 while simultaneously completing maintenance operations on it.
Target port groups on the IBM DS6000
The IBM DS6000 uses the SCSI Target Port Groups feature to indicate a preferred path for each logical unit (LU).
Quorum disks on IBM DS6000 systems
The Lenovo Storage V7000 can choose managed disks (MDisks) that are presented by a IBM DS6000 system as quorum disks.