Buffer Credits For Each Switch Model; Table 79 Buffer Credits - HP SN3000B Administrator's Manual

Buffer credits for each switch model

Table 79
unreserved buffer credits available per port group. The number in the Unreserved buffers column
is the number with QoS enabled. This number is higher if QoS is not enabled.
TABLE 79
Switch/blade model
300
5100
5300
5410
5424
5450
5480
6505
6510
7800
8000
VA-40FC
Brocade Encryption Switch 32
FC8-16
FC8-32
FC8-32E
FC8-48
FC8-48E
FC8-64
FC16-32
FC16-48
FR4-18i
FS8-18
FX8-24
For the FC8-x port blades, the first number in the Unreserved buffers column designates the
number of unreserved buffers per port group without buffer optimized mode; the second number
designates the unreserved buffers with buffer optimized mode enabled on the slot. Use the
bufOpMode command to display or change the buffer optimized mode.
Fabric OS Administrator's Guide
53-1002446-01
shows the total ports in a switch or blade, number of user ports in a port group, and the
Buffer credits
Total FC ports (per switch/blade) User port group size Unreserved buffers (per port group)
24
40
80
12
24
26
24
24
48
16
*** Extended Fabrics is not supported on this switch ***
40
16
32
32
48
48
*** Extended Fabrics is not supported on this blade ***
32
48
16
16
12
Buffer credit management
with QoS enabled
24 484
40 1692
16 292
12 580
24 484
26 468
24 484
24 7424
48 6752
16 408
40 1692
16 1392
16 1292/ 508
16 1292/ 508
16 5188
24 1228/ 716
24 4484
16 5188
24 4484
8 377
8 1604
12 1060
23
461