HP StorageWorks Fabric OS 5.2.x administrator guide (5697-0014, November 2009)

Fabric OS 5.2.x administrator guide 327
Table 68 lists the extended ISL modes for the 4/16 SAN Switch and 4/8 SAN Switch.
Table 69 lists the extended ISL modes for switches that have a Condor ASIC.
Table 68 4/16 SAN Switch and 4/8 SAN Switch extended ISL modes (Goldeneye ASIC)
Mode
1
Buffer allocation Distance @
1 Gbit/sec
Distance
@ 2
Gbit/sec
Distance
@ 4
Gbit/sec
Earliest Fabric
OS release
Extended
Fabrics
license
required?
1 Gbit/sec 2 Gbit/sec 4
Gbit/sec
L0 3(17)
a
3(17) 3(17) 6 km 3 km 1.5 km All No
LE 11 16 26 10 km 10 km 10 km v3.x, v4.x No
L0.5 18 31 56 25 km 25 km 25 km 5.1.x Yes
L1 31 56 106 50 km 50 km 50 km 5.1.x Yes
L2 56 106 n/a 100 km 100 km n/a 5.1.x Yes
LD Auto
2
Auto Auto Auto Auto Auto 5.1.x Yes
LS
3
Based on a
user
specified
distance
Based on a
user
specified
distance
Based on
a
user-speci
fied
distance
Based on a
user-specifi
ed
distance
Maximum
is 293 km.
Based on
a
user-specifi
ed
distance
Maximum
is 146 km.
Based on
a
user-specifi
ed
distance
Maximum
is 73 km.
5.1.x Yes
1. For each data channel (in this case there are 4) there are 3 credits, plus 5 extra credits.
2. The dynamic long-distance mode (LD) automatically configures the number of buffer credits required, based on the actual link distance.
3. The static long-distance mode (LS) allocates the number of buffer credits based on the user-specified distance.
Table 69 Extended ISL Modes: switches with Condor ASIC
Mode Buffer allocation Distance @
1 Gbit/sec
Distance
@ 2
Gbit/sec
Distance
@ 4
Gbit/sec
Earliest Fabric
OS release
Extended
Fabrics
license
required?
1
Gbit/sec
2
Gbit/sec
4
Gbit/sec
L0 5 (26)
1
5 (26) 5 (26) 10 km 5 km 2 km All No
LE 11 16 26 10 km 10 km 10 km v3.x, v4.x No
L0.5 18 31 56 25 km 25 km 25 km v3.1.0, v4.1.0,
v4.x, 5.x
Yes
L1 31 56 106 50 km 50 km 50 km All Yes
L2 56 106 206 100 km 100 km 100 km All Yes
LD
2
Auto Auto Auto Auto
(Maximum
is 500km)
Auto
(Maximum
is 250km)
Auto
(Maximum
is 100km)
v3.1.0, v4.1.0,
v4.4.0, 5.x
(depending on
the model)
Yes
LS
3
Based on
user-speci
fied
distance
Based on
user-speci
fied
distance
Based on
user-speci
fied
distance
Based on
user-specifie
d distance
(maximum
is 500 km)
Based on
user-specifi
ed
distance
(maximum
is 250 km)
Based on
user-specifi
ed
distance
(maximum
is 100 km)
5.1.x Yes
1. For each data channel (in this case, there are 4) there are 5 credits, plus 6 extra credits.
2. The dynamic long-distance mode (LD) automatically configures the number of buffer credits required, based on the actual link distance.
3. The static long-distance mode (LS) allocates the number of buffer credits based on the user-specified distance.