HP Surestore 64 HP StorageWorks Director and Edge Switch Release Notes - FW09. - Page 4

Firmware 09.06.02, Supported con, gurations, Cable requirements

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Firmware 09.06.02 Firmware 09.06.02 is the latest firmware released for the HP M-Series Edge Switches and Directors. This firmware is common for all M-Series fabric products, except the McDATA 4Gb SAN Switch for HP p-Class BladeSystem, which has separate firmware. The firmware is available on the following HP website: http://h18006.www1.hp.com/storage/ networking/index.html. Select Retired Products and navigate to your switch model, and then to Download drivers and software. For more information on upgrading firmware versions, see the appropriate Director or Edge Switch service manual. Supported configurations Operating multiple switches in a fabric topology is subject to topology limits. Consider the impact of the following topology limits when planning the fabric: • Fabric elements-Each fabric element is defined by a unique domain ID that ranges from 1 to 31; therefore, the theoretical limit of interconnected Directors in a single fabric is 31. The supported limit of interconnected switches in a single fabric is 24. The supported limit of interconnected switches in a single fabric can be increased to 31, provided that any Edge Switch 2/16, Edge Switch 2/32, or Director 2/64 in the fabric is deployed at the edge of the fabric. However, because this is subject to change, contact your HP-authorized service representative for the current number of interconnected switches supported in a single fabric. • Inhomogeneous fabric-To determine if interoperability is supported for a product, or if restrictions apply, see the product publications or contact your HP-authorized service representative. • Number of interswitch links (ISLs)-The maximum number of ISLs supported is 75% of installed ports for the Director 2/64, and 100% of installed ports for the Director 2/140. The maximum number of ISLs supported for Edge Switches is all available switch ports. For redundancy, at least two ISLs should connect any two Edge Switch or Director-class fabric elements. Because this information is subject to change, contact your HP-authorized service representative for the current number of ISLs supported for each Director or Edge Switch. • Hop count-The hop count is equal to the number of ISL connections traversed in a single path, not the total number of ISL connections between devices. The Fibre Channel theoretical limit of ISL connections traversed (hop count) in a single path through a fabric is seven. The maximum supported hop count in a single path through a fabric is three. Because this information is subject to change, contact your HP-authorized service representative for the current hop count supported by a single fabric path. NOTE: For more information about planning the fabric, see the HP StorageWorks SAN design reference guide, available on the following HP website: http://www.hp.com/go/SANdesignguide. Cable requirements Consider the following switch cable requirements. • For cables measuring up to 500 meters (1 Gb/s) or 300 meters (2 Gb/s), use multimode Fibre Channel cables. For longer cables, use single-mode Fibre Channel cables. • Multimode optical cables are connected to short-wave optical transceiver modules in a switch. Single-mode optical cables are connected to long-wave optical transceiver modules in a switch. Multimode cables should use 50/125 optical fibers, and single-mode cables typically use 9/125 optical fibers for distances up to 10 km. • Verify that connectors interfacing with the Director or Edge Switch products use LC duplex connectors with a PC finish. In addition, the connector at the opposite end of the cable must be of either LC or SC type, depending on the requirements of the connected device. 4

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Firmware 09.06.02
Firmware 09.06.02 is the latest
fi
rmware released for the HP M-Series Edge Switches and Directors. This
fi
rmware is common for all M-Series fabric products, except the McDATA 4Gb SAN Switch for HP
p-Class BladeSystem, which has separate
fi
rmware.
The
fi
rmware is available on the following HP website:
h
t
t
p
:
/
/
h
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6
.
w
w
w
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.
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p
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t
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n
e
t
w
o
r
k
i
n
g
/
i
n
d
e
x
.
h
t
m
l
. Select
Retired Products
and navigate to your switch model, and then to
Download drivers and software
.
For more information on upgrading
fi
rmware versions, see the appropriate Director or Edge Switch
service manual.
Supported con
fi
gurations
Operating multiple switches in a fabric topology is subject to topology limits. Consider the impact of the
following topology limits when planning the fabric:
•
Fabric elements
—Each fabric element is de
fi
ned by a unique domain ID that ranges from 1 to 31;
therefore, the theoretical limit of interconnected Directors in a single fabric is 31. The supported
limit of interconnected switches in a single fabric is 24. The supported limit of interconnected
switches in a single fabric can be increased to 31, provided that any Edge Switch 2/16, Edge
Switch 2/32, or Director 2/64 in the fabric is deployed at the edge of the fabric. However,
because this is subject to change, contact your HP-authorized service representative for the current
number of interconnected switches supported in a single fabric.
•
Inhomogeneous fabric
—To determine if interoperability is supported for a product, or if restrictions
apply, see the product publications or contact your HP-authorized service representative.
•
Number of interswitch links (ISLs)
—The maximum number of ISLs supported is 75% of installed
ports for the Director 2/64, and 100% of installed ports for the Director 2/140. The maximum
number of ISLs supported for Edge Switches is all available switch ports. For redundancy, at
least two ISLs should connect any two Edge Switch or Director-class fabric elements. Because
this information is subject to change, contact your HP-authorized service representative for the
current number of ISLs supported for each Director or Edge Switch.
•
Hop count
—The hop count is equal to the number of ISL connections traversed in a single path,
not the total number of ISL connections between devices. The Fibre Channel theoretical limit of
ISL connections traversed (hop count) in a single path through a fabric is seven. The maximum
supported hop count in a single path through a fabric is three. Because this information is
subject to change, contact your HP-authorized service representative for the current hop count
supported by a single fabric path.
NOTE:
For more information about planning the fabric, see the
HP StorageWorks SAN design reference guide
,
available on the following HP website:
h
t
t
p
:
/
/
w
w
w
.
h
p
.
c
o
m
/
g
o
/
S
A
N
d
e
s
i
g
n
g
u
i
d
e
.
Cable requirements
Consider the following switch cable requirements.
•
For cables measuring up to 500 meters (1 Gb/s) or 300 meters (2 Gb/s), use multimode Fibre
Channel cables. For longer cables, use single-mode Fibre Channel cables.
•
Multimode optical cables are connected to short-wave optical transceiver modules in a switch.
Single-mode optical cables are connected to long-wave optical transceiver modules in a switch.
Multimode cables should use 50/125 optical
fi
bers, and single-mode cables typically use 9/125
optical
fi
bers for distances up to 10 km.
•
Verify that connectors interfacing with the Director or Edge Switch products use LC duplex
connectors with a PC
fi
nish. In addition, the connector at the opposite end of the cable must be of
either LC or SC type, depending on the requirements of the connected device.
4