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Date:      Wed,  8 Jul 2009 20:39:13 +0200
From:      "Len Conrad" <lconrad@Go2France.com>
To:        <freebsd-questions@freebsd.org>
Subject:   FreeBSD/iSCSI intiator into EMC Clarion target
Message-ID:  <200907082039.AA266142360@mail.Go2France.com>

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uname -a

FreeBSD xxx 7.1-RELEASE FreeBSD 7.1-RELEASE #0

kldstat

Id Refs Address    Size     Name
 1    5 0xc0400000 97f830   kernel
 2    1 0xc0d80000 ff18     iscsi_initiator.ko
 3    1 0xc0d90000 6a2c4    acpi.ko


iscontrol doesn't have -V version and strings doesn't find anything that looks like a version.


iscontrol -d -v -t 192.168.78.5 
                    port = 3260
                    tags = 0
                 maxluns = 0
                     iqn = iqn.2005-01.il.ac.huji.cs:
          maxConnections = 1
maxRecvDataSegmentLength = 65536
maxXmitDataSegmentLength = 65536
          maxBurstLength = 131072
        firstBurstLength = 65536
        defaultTime2Wait = 0
      defaultTime2Retain = 0
       maxOutstandingR2T = 1
      errorRecoveryLevel = 0
    targetPortalGroupTag = 0
            headerDigest = None,CRC32C
              dataDigest = None,CRC32C
              initialR2T = 1
           immediateData = 1
          dataPDUInOrder = 1
     dataSequenceInOrder = 1
             sessionType = Normal
           targetAddress = (null)
             targetAlias = (null)
              targetName = (null)
           initiatorName = (null)
          initiatorAlias = (null)
              authMethod = None
              chapSecret = (null)
               chapIName = (null)
             tgtChapName = (null)
           tgtChapSecret = (null)
      tgttgtChallengeLen = 0
I-: cmd=0x3 len=301
        SessionType=Discovery
        InitiatorName=iqn.2005-01.il.ac.huji.cs::mr1.xxxx.net
        MaxBurstLength=131072
        HeaderDigest=None,CRC32C
        DataDigest=None,CRC32C
        MaxRecvDataSegmentLength=65536
        ErrorRecoveryLevel=0
        DefaultTime2Wait=0
        DefaultTime2Retain=0
        DataPDUInOrder=Yes
        DataSequenceInOrder=Yes
        MaxOutstandingR2T=1
T-: cmd=0x23 len=281
        TargetPortalGroupTag=0
        TargetAlias=1576.b3
        HeaderDigest=None
        DataDigest=None
        MaxRecvDataSegmentLength=65536
        MaxBurstLength=Irrelevant
        DefaultTime2Wait=0
        DefaultTime2Retain=0
        MaxOutstandingR2T=Irrelevant
        DataPDUInOrder=Irrelevant
        DataSequenceInOrder=Irrelevant
        ErrorRecoveryLevel=0
I-: cmd=0x4 len=16
        SendTargets=All
recvpdu: Socket is not connected
recvpdu failed
I-: cmd=0x6 len=0
recvpdu: Socket is not connected
recvpdu failed

==========

iniatator does work into a FreeBSD/iscsi-target:


# iscontrol -c /etc/iscsi.conf -n target0

iscontrol[817]: running
iscontrol[817]: (pass3:iscsi0:0:0:0):  tagged openings now 0
iscontrol[817]: cam_open_btl: no passthrough device found at 2:0:1
iscontrol[817]: cam_open_btl: no passthrough device found at 2:0:2
iscontrol[817]: cam_open_btl: no passthrough device found at 2:0:3
iscontrol: supervise starting main loop

#ll /dev/is*
crw-------  1 root  wheel    0,  27 Jul  8 13:29 /dev/iscsi
crw-------  1 root  wheel    0, 103 Jul  8 13:29 /dev/iscsi0

#ll /dev/da*
crw-r-----  1 root  operator    0,  90 Jul  8 13:29 /dev/da0
crw-r-----  1 root  operator    0,  91 Jul  8 13:29 /dev/da0s1
crw-r-----  1 root  operator    0,  92 Jul  8 08:30 /dev/da0s1a
crw-r-----  1 root  operator    0,  93 Jul  8 13:30 /dev/da0s1b
crw-r-----  1 root  operator    0,  94 Jul  8 13:29 /dev/da0s1c
crw-r-----  1 root  operator    0,  95 Jul  8 08:29 /dev/da0s1d
crw-r-----  1 root  operator    0,  96 Jul  8 08:29 /dev/da0s1e
crw-r-----  1 root  operator    0, 105 Jul  8 13:29 /dev/da1
crw-r-----  1 root  operator    0, 106 Jul  8 13:29 /dev/da1s1
crw-r-----  1 root  operator    0, 107 Jul  8 13:29 /dev/da1s1c
crw-r-----  1 root  operator    0, 108 Jul  8 13:29 /dev/da1s1d

#mount /dev/da1s1 /iscsitest/

#df
Filesystem  1K-blocks    Used    Avail Capacity  Mounted on
/dev/da0s1a  10154158  141662  9200164     2%    /
devfs               1       1        0   100%    /dev
/dev/da0s1d  20308398 1393604 17290124     7%    /usr
/dev/da0s1e  40622090  292054 37080270     1%    /var
/dev/da1s1    9907690 2990276  6124800    33%    /iscsitest

=========

Red Hat Enterprise iscsi initiator connects to EMC SAN target reliably.
If we can't get the FreeBSD iniatator working, we'll have to convert several machines from FreeBSD to Linux.

Len





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