Chelsio Communications Terminator 6, Installation And User Manual, Page: 194 / 432

Chapter XI. iSCSI PDU Offload Initiator
Chelsio Unified Wire for Linux 194
Example :
[root@host~]# iscsiadm -m node -T iqn.2004-05.com.chelsio.target1 -p
102.2.2.155:3260,1 -I cxgb4i.00:07:43:04:5b:da -l
If the login fails with an error message in the format of ERR! MaxRecvSegmentLength <X> too
big. Need to be <= <Y> . in dmesg, edit the iscsi/iscsid.conf file and change the setting
for
MaxRecvDataSegmentLength
:
node.conn[0].iscsi.MaxRecvDataSegmentLength = 8192
iv. Logging out from an iSCSI Target
Log out from an iSCSI Target by executing a command in the following format:
[root@host~]# iscsiadm -m node -T <iqn name of target> -p <target ip
address>:<target port no> -I <cxgb4i iface file name> -u
Example :
[root@host~]# iscsiadm -m node -T iqn.2004-05.com.chelsio.target1 -p
102.2.2.155:3260,1 -I cxgb4i.00:07:43:04:5b:da -u
4.2. HMA
To use HMA, please ensure that Unified Wire is installed using the Unified Wire (Default)
configuration tuning option.
Currently 256 IPv4/128 IPv6 iSCSI PDU Offload Initiator connections are supported on T6225-
SO-CR adapter. The following image shows the HMA reserved memory.
Other options can be found by typing iscsiadm --help
Note
Always take a backup of
iscsid.conf
file before installing Chelsio Unified
Wire Package. Although the file is saved to iscsid.rpmsave after uninstalling
the package using RPM, you are still advised to take a backup.
Important