Qlogic OFED+ Host, Software User'S Manual

Page: 214 / 284

D – Troubleshooting
System Administration Troubleshooting
D-8 IB0054606-02 A
ibsrpdm
Command Hangs when Two Host Channel
Adapters are Installed but Only Unit 1 is Connected
to the Switch
If multiple IB adapters (unit 0 and unit 1) are installed and only unit 1 is connected
to the switch, the
ibsrpdm
command (to set up an SRP target) can hang. If unit 0
is connected and unit 1 is disconnected, the problem does not occur.
When only unit 1 is connected to the switch, use the
-d
option with
ibsrpdm
.
Then, using the output from the
ibsrpdm
command, echo the new target
information into
/sys/class/infiniband_srp/srp-ipath1-1/
add_target
.
For example:
# ibsrpdm -d /dev/infiniband/umad1 -c
# echo \
id_ext=21000001ff040bf6,ioc_guid=21000001ff040bf6,dgid=fe8000
000000000021000001ff040bf6,pkey=ffff,service_id=f60b04ff01000
021 > /sys/class/infiniband_srp/srp-ipath0-1/add_target
Outdated ipath_ether Configuration Setup Generates Error
Ethernet emulation (
ipath_ether
) has been removed in this release, and, as a
result, an error may be seen if the user still has an alias set previously by
modprobe.conf
(for example,
alias eth2 ipath_ether
).
When
ifconfig
or
ifup
are run, the error will look similar to this (assuming
ipath_ether
was used for
eth2
):
eth2: error fetching interface information: Device not found
To prevent the error message, remove the following files (assuming
ipath_ether
was used for
eth2
):
/etc/sysconfig/network-scripts/ifcfg-eth2
(for RHEL)
/etc/sysconfig/network/ifcfg-eth2
(for SLES)
QLogic recommends using the IP over IB protocol (IPoIB-CM), included in the
standard OpenFabrics software releases, as a replacement for
ipath_ether
.
System Administration Troubleshooting
The following sections provide details on locating problems related to system
administration.