Dell Mellanox Family of Adapters User Manual

Page 74

Remote Boot

Rev 1.1

Mellanox Technologies

Step 2.

Install iSCSI target and additional required software on target server.

Step 3.

Create the IQN in the ietd configuration file.

Step 4.

Edit the /etc/sysconfig/iscsi-target file as follow.

Step 5.

Start the iSCSI target service.

Step 6.

Perform a sanity check by connecting to the iSCSI target from a remote PC on the 10GE
network link.

[root@sqa030 ~]# yum install kernel-devel openssl-devel gcc rpm-build

[root@sqa030 tmp]# tar xzvf iscsitarget-1.4.20.2.tar.gz

[root@sqa030 tmp]# cd iscsitarget-1.4.20.2/

[root@sqa030 iscsitarget-1.4.20.2]# make && make install

Target iqn.2013-10.qalab.com:sqa030.prt9

Lun 0 Path=/dev/cciss/c0d0p9,Type=fileio,IOMode=wb

MaxConnections

# Number of connections/session. We only support 1

InitialR2T

Yes

# Wait first for R2T

ImmediateData

Yes

# Data can accompany command

MaxRecvDataSegmentLength 8192

# Max data per PDU to receive

MaxXmitDataSegmentLength 8192

# Max data per PDU to transmit

MaxBurstLength

262144

# Max data per sequence (R2T)

FirstBurstLength

65536

# Max unsolicited data sequence

DefaultTime2Wait

# Secs wait for ini to log out Not used

DefaultTime2Retain 20

# Secs keep cmnds after log out Not used

MaxOutstandingR2T 1

# Max outstanding R2Ts per cmnd

DataPDUInOrder

Yes

# Data in PDUs is ordered. We only support ordered

DataSequenceInOrder Yes

# PDUs in sequence are ordered. We only support

ordered

ErrorRecoveryLevel 0

# We only support level 0

HeaderDigest

NONE

# PDU header checksum algo list. None or CRC32C

# If only one is set then the initiator must agree

# to it or the connection will fail

DataDigest

NONE

# PDU data checksum algo list Same as above

MaxSessions

# Maximum number of sessions to this target 0 =

unlimited

NOPInterval

# Send a NOP-In ping each after that many seconds

if the

# conn is otherwise idle 0 = off

NOPTimeout

# Wait that many seconds for a response on a

NOP-In ping

# If 0 or > NOPInterval, NOPInterval is used!

# Various target parameters

Wthreads

# Number of IO threads

QueuedCommands

# Number of queued commands

The local Hard Disk partition assigned to the LUN (/dev/cciss/c0d0p9 in the example
above) must not contain any valuable data, as this data will be destroyed by the instal-
lation process taking place later in this procedure

OPTIONS="-c /etc/iet/ietd.conf --address=12.7.6.30"

[root@sqa030 ~]# /etc/init.d/iscsi-target start