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11
iSCSI Extensions for RDMA
This chapter provides procedures for configuring iSCSI Extensions for RDMA
(iSER) for Linux (RHEL and SLES), including:
Before You Begin
As you prepare to configure iSER, consider the following:
iSER is supported only in inbox OFED for following operating systems:
RHEL 7.1, 7.2
SLES 12, 12 SP1
After logging into the targets or while running I/O traffic, unloading the Linux
RoCE qedr driver may crash the system.
While running I/O, performing interface down/up tests or performing cable
pull-tests can cause driver or iSER module errors that may crash the
system. If this happens, reboot the system.
Configuring iSER for RHEL
To configure iSER for RHEL:
1.
Install inbox OFED as described in
“RoCE Configuration for RHEL” on
. Out-of-box OFEDs are not supported for iSER because the ib_isert
module is not available in the out-of-box OFED-3.18/3.81-1 GA versions.
The inbox ib_isert module does not work with any out-of-box OFED
versions.
2.
Unload any existing FastLinQ drivers as described in
3.
Install the latest FastLinQ driver and libqedr packages as described in