Verifying The Data Host Connection; Stortools Connectivity Tests; Primary Path Verification By The Host - Sun Microsystems StorEdge T3 Service Manual

7. Data channel as described in Section 3.9, "Identifying Data Channel Failures" on
page 3-23.
3.4

Verifying the Data Host Connection

To verify the physical connection between the host and the array, use a utility such
as the format command in the Solaris environment. The output of the command
confirms whether a volume is on the array. For example:
On the application host, enter format at the supervisor prompt.
# format
Searching for disks...done
c1t1d0: configured with capacity of 133.38GB
AVAILABLE DISK SELECTIONS:
Specify disk (enter its number):
In this example, device number 2 is a volume on the array, as identified by the
SUN-T3-0100 label.
3.5

StorTools Connectivity Tests

Use StorTools to verify the physical connection between the host and the array and
to determine the primary and alternate paths.
3.5.1

Primary Path Verification by the Host

To determine a Sun StorEdge T3 array's primary and alternate paths, from the host
console, do the following:
3-8 Sun StorEdge T3 and T3+ Array Field Service Manual • September 2001
0. c0t2d0 <drive type unknown>
/sbus@1f,0/SUNW,fas@e,8800000/sd@2,0
1. c0t3d0 <SUN2.1G cyl 2733 alt 2 hd 19 sec 80>
/sbus@1f,0/SUNW,fas@e,8800000/sd@3,0
2. c1t1d0 <SUN-T3-0100 cyl 34145 alt 2 hd 64 sec 128>
/sbus@1f,0/SUNW,socal@1,0/sf@0,0/ssd@w50020f2300000121,0