HP StorageWorks 2/24 FW 07.00.00/HAFM SW 08.06.00 McDATA Products in a SAN Env - Page 299

Fibre Channel Protocol-Related Differences, ddnn+4xx

Page 299 highlights

Firmware Summary Table B-4 E/OS versus E/OSn and E/OSi - System-Related Differences (Continued) Feature Misaligned word generation Flexible partition (FlexPar) feature support Maintenance port access E/OS 7.0 E/OSn 6.0 E/OSi 4.6 Misaligned words not generated. Misaligned word is generated when the port state machine (PSM) transitions from inactive to active state or from active to inactive state. This anomaly has no effect on Fibre Channel device behavior. Misaligned words not generated. Flexpar feature not supported. Up to four FlexPars supported Flexpar feature not supported. for each Intrepid 10000 Director chassis. For directors, one 9-pin, RS-232 serial port shared between two CTP cards. Port-attached device communicates only with the active card. For fabric switches, one 9-pin, RS-232 serial port per switch. Each CTP card has an independent 9-pin, RS-232 serial port that provides access to engineering-level interfaces. Maintenance mode and command line interface (CLI) available through the active CTP card port. One 9-pin, RS-232 serial port per SAN router. Fibre Channel Protocol-Related Differences Table B-5 summarizes Fibre Channel protocol-related differences between the E/OS 7.0, E/OSn 6.0, and E/OSi 4.6 firmware versions. Table B-5 E/OS versus E/OSn and E/OSi - Fibre Channel Protocol-Related Differences Feature E/OS 7.0 E/OSn 6.0 E/OSi 4.6 Node port (N_Port) ID assignment N_Port ID assigned based on port number plus offset of four. Device attached to port nn obtains N_Port ID of dd(nn+4)xx, where dd is the switch domain ID and xx is hexadecimal 13. N_Port ID assigned based on port number. Device attached to Port nn obtains N_Port ID of ddnnxx, where dd is the switch domain ID and xx is hexadecimal 13. N_Port ID assigned based on port number. Device attached to Port nn obtains N_Port ID of ddnnxx, where dd is the switch domain ID (always 01) and xx is hexadecimal 13. Exchange switch support (ESS) sequence transmission ESS not transmitted until fabric shortest path first (FSPF) algorithm obtains best hop to target domain. ESS transmitted at the moment adjacency to the target domain is detected (link at FSPF FULL state). Therefore, ESS always transmitted sooner for an Intrepid 10000 Director. ESS transmitted only in response to an ESS received from another fabric element. Firmware Summary B-3

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Firmware Summary
B-3
Firmware Summary
Fibre Channel Protocol-Related Differences
Table B-5
summarizes Fibre Channel protocol-related differences
between the E/OS 7.0, E/OSn 6.0, and E/OSi 4.6 firmware versions.
Misaligned word
generation
Misaligned words not generated.
Misaligned word is generated
when the port state machine
(PSM) transitions from inactive
to active state or from active to
inactive state. This anomaly has
no effect on Fibre Channel
device behavior.
Misaligned words not generated.
Flexible partition
(FlexPar) feature
support
Flexpar feature not supported.
Up to four FlexPars supported
for each Intrepid 10000 Director
chassis.
Flexpar feature not supported.
Maintenance port
access
For directors, one 9-pin, RS-232
serial port shared between two
CTP cards. Port-attached device
communicates only with the
active card. For fabric switches,
one 9-pin, RS-232 serial port per
switch.
Each CTP card has an
independent 9-pin, RS-232 serial
port that provides access to
engineering-level interfaces.
Maintenance mode and
command line interface (CLI)
available through the active CTP
card port.
One 9-pin, RS-232 serial port
per SAN router.
Table B-4
E/OS versus E/OSn and E/OSi - System-Related Differences (Continued)
Feature
E/OS 7.0
E/OSn 6.0
E/OSi 4.6
Table B-5
E/OS versus E/OSn and E/OSi - Fibre Channel Protocol-Related Differences
Feature
E/OS 7.0
E/OSn 6.0
E/OSi 4.6
Node port (N_Port) ID
assignment
N_Port ID assigned based on
port number plus offset of four.
Device attached to port
nn
obtains N_Port ID of
dd(nn+4)xx
, where
dd
is the
switch domain ID and
xx
is
hexadecimal 13.
N_Port ID assigned based on
port number. Device attached to
Port
nn
obtains N_Port ID of
ddnnxx
, where
dd
is the switch
domain ID and
xx
is
hexadecimal 13.
N_Port ID assigned based on
port number. Device attached to
Port
nn
obtains N_Port ID of
ddnnxx
, where
dd
is the switch
domain ID (always 01) and
xx
is hexadecimal 13.
Exchange switch
support (ESS)
sequence transmission
ESS not transmitted until fabric
shortest path first (FSPF)
algorithm obtains best hop to
target domain.
ESS transmitted at the moment
adjacency to the target domain is
detected (link at FSPF FULL
state). Therefore, ESS always
transmitted sooner for an
Intrepid 10000 Director.
ESS transmitted only in
response to an ESS received
from another fabric element.