HP XP Racks - Manual (Page 11)

2 Business Copy system requirements and planning
This chapter describes system requirements and planning tasks for BC storage systems.
Business Copy system requirements
The following table shows minimum requirements for BC.
Requirement Item
Based on purchased capacity. BC license capacity
For more information about license capacity requirements, see “BC licensed capacity and
licensed capacity requirements” (page 12) .
Must be installed. License key
RAID 1, RAID 5, RAID 6 RAID level
Required. RWC
Required if you are running commands through an in-band connection. Otherwise, RAID
Manager is not required. RAID Manager
For more information about RAID Manager and running commands through an in-band
connection, see the HP XP7 RAID Manager User Guide.
The pair volumes. Pair volumes
Values:
• Number of P-VOLs per S-VOL: One
•
Number of S-VOLs per P-VOL:
(For L1 pairs) Maximum: three
(For L2 pairs) Maximum: two
For more information about cascading pairs, see “Cascaded pairs” (page 7) .
•
Volume Capacity: The P-VOL and S-VOLs must have the same capacity.
• Supported volume types:
◦
Internal volumes.
◦
External volumes.
Note: External Storage license is required.
◦
Custom-sized volumes.
Note: VLL is required. Pair volumes must have the same capacity and emulation
type.
• Mirror Unit number (MU number):
Values:
◦
(For L1 pairs) 0, 1, or 2
◦
(For L2 pairs) 1 or 2
You can share volumes with other software applications.
For more information about sharing volumes, see “Sharing Business Copy volumes”
(page 23) .
You cannot use the following volumes as pair volumes:
•
Cnt Ac-J journal volumes
• Virtual volumes (except Thin Provisioning (THP) volumes)
Business Copy system requirements 11