HP A7533A HP StorageWorks Fabric OS 6.1.1 administrator guide (5697-0235, Dece - Page 362
Displaying the remaining buffers in a port group
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676 = a static number retrieved from Table 76. If you allocate the entire 484 + 8 reserved buffers = 492 buffers to a single port, that port can support 486 km at 2 G, which is the reserved buffer for distance. How many 50 km ports you can configure? If you have a distance of 50 km at 8 Gbps then 484 / (206 - 8) = 2 ports. If you have a distance of 50 km at 1 Gbps then 484 / (31 - 8) = 21 ports. NOTE: The 10 Gbps FC10-6 blade has two port groups of three ports each. For extended ISLs, all buffers available to a group are used to support one port at up to 120 km. Displaying the remaining buffers in a port group Issue the portbuffershow command to display all of the long distance buffer information for all the port groups of the switch. Use the following syntax: portbuffershow [[slotnumber/]portnumber] where: • slotnumber specifies, for bladed systems only, the slot number of the port group to display, followed by a slash (/) • portnumber specifies the number of a port associated with the port group, relative to its slot for bladed systems. Use switchShow for a list of valid ports. 1. Connect to the switch and log in as admin. 2. Issue the portbuffershow command. switch:admin> portbuffershow 1 User Port Lx Max/Resv Port Type Mode Buffers ---- ---- ---- ------- 0 U - 8 1 U - 8 2 U - 8 3 U - 8 4 U - 8 5 U - 8 6 U - 8 7 U - 8 8 U - 8 9 U - 8 10 U - 8 11 U - 8 12 - 8 13 - 8 14 - 8 15 - 8 16 U - 8 17 U - 8 18 U - 8 19 - 8 20 U - 8 21 U - 8 22 U - 8 23 U - 8 switch:admin> Buffer Needed Usage Buffers 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - Link Remaining Distance Buffers - - - - - - - - - - - - - - - - - - - - - - - - 484 362 Administering extended fabrics
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