Figure 44 Sample symrdf list Output from R2 Side
4.Match the logical device numbers in the symrdf listings with the
Use the Symmetrix ID to determine which Symmetrix array is connected to the node. Then use the Symmetrix device number to determine which devices are in the same logical device seen by each node that is connected to the same Symmetrix unit. Record the
Table 22 shows a partial mapping for a 4 node cluster connected to two Symmetrix arrays (95 and 50). There may be many R1 and R2 devices and many gatekeepers for each package, so this table will be much larger for most clusters. Also, with M by N configurations, the number of devices increases according to the number of Symmetrix frames.
Table 22 Mapping for a 4 Node Cluster connected to 2 Symmetrix Arrays
Symmetrix ID, | Node 1 /dev/rdsk | Node 2 /dev/rdsk | Node 3 /dev/rdsk | Nodes 4 /dev/rdsk | |
device #, and type | device file name | device file name | device file name | device file name | |
|
|
|
|
|
|
ID | 95 | c0t4d0 |
|
|
|
Dev# | 005 |
| c6t0d0 |
|
|
Type | R1 |
|
|
|
|
|
|
|
|
|
|
ID | 50 |
|
| c4t0d0 |
|
Dev# | 014 |
|
|
| c0t4d0 |
Type | R2 |
|
|
|
|
|
|
|
|
|
|
ID | 95 | c0t2d2 |
|
|
|
Dev# | 00A |
| c0t4d2 |
|
|
Type | R2 |
|
|
|
|
|
|
|
|
|
|
ID | 50 |
|
| c3t0d2 |
|
Dev# | 012 |
|
|
| c4t3d2 |
Type | R1 |
|
|
|
|
|
|
|
|
|
|
ID | 95 | c0t15d0 |
|
|
|
Dev# | 040 |
| c0t15d0 |
|
|
Type | GK |
|
|
|
|
|
|
|
|
|
|
ID | 50 |
|
| c3t15d1 |
|
Dev# | 041 |
|
|
| c5t15d1 |
Type | GK |
|
|
|
|
|
|
|
|
|
|
Preparing the Cluster for Data Replication 261