HP Surestore Disk Array 12h - And FC60 Service Manual page 78

Maximum Capacity
This configuration is not recommended for environments where high
Note
availability is critical. To achieve high availability each disk in a volume group
should be in a different disk enclosure. This configuration does not achieve that
level of protection.
•
Hardware Configuration
– Two disk array controllers connected directly to host Fibre Channel adapters
– Two disk enclosures with ten 73 GByte disks each (20 disks total)
– Disk enclosures configured for split-bus mode (two SCSI channels per enclosure)
•
Volume Group Configuration
– Five RAID 5 volume groups, each comprising four disks (3 data + 1 parity)
– Each disk in a volume group is on a separate SCSI bus.
•
High Availability
– Handles the failure of a single disk, single controller, or a single channel
– Does not handle a disk enclosure failure, consequently this configuration is NOT
recommended for critical high availability installations.
– Expansion requires powering down the disk array, removing terminators and/or
cables from the enclosures, and cabling additional disk enclosures.
•
Disk Capacity
– Maximum capacity 1460 GBytes
– Usable capacity 1095 GBytes
Recommended Disk Array Configurations
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