Compaq Infortrend Manuale Utente
Infortrend
10-6
Figure 10 - 3 Grouping Hard Drives
Drive Channel 0
Drive Channel 1
ID 5
ID 0
ID 3
ID 2
ID 6
ID 1
ID 0
ID 14
4
GB
4
GB
2
GB
2
GB
4
GB
4
GB
2
GB
2
GB
RAID 5
8GB
RAID 0
6GB
Logical Drive 1
Logical Drive 0
Local Spare
Drive of LD1
Global
Spare
Drive
!
As diagrammed above, choosing the members of an array can be
flexible. You may divide a logical drive or logical volume into
several partitions as diagrammed below, or use the entire logical
drive as a single partition, with or without the support of one or
several spare drives.
flexible. You may divide a logical drive or logical volume into
several partitions as diagrammed below, or use the entire logical
drive as a single partition, with or without the support of one or
several spare drives.
Figure 10 - 4 Partitioning of Logical Units
RAID 5
8GB
RAID 0
6GB
Logical Drive 1
Logical Drive 0
Partition 0 - 2GB
Partition 1 - 1GB
Partition 2 - 5GB
Partition 0
2.5GB
Partition 1
1.5GB
!
Each logical unit can be associated (mapped) with a host ID
(Primary or Secondary ID) or the LUN numbers under host IDs.
(Primary or Secondary ID) or the LUN numbers under host IDs.
System Drive Mapping:
Primary and Secondary IDs
!
Host Channel:
Keep in mind that when controllers are successfully combined,
host port IDs are available as “Primary” or “Secondary” IDs.
Keep in mind that when controllers are successfully combined,
host port IDs are available as “Primary” or “Secondary” IDs.