Rasmus,

I had 4 volumes:-

Found 4 LU(s)

              GUID                    DATA SIZE           SOURCE
--------------------------------  -------------------  ----------------
600144f0b003090000004afb990f0004      1099511562240    
/dev/zvol/rdsk/infobrick/iscsi/prmel1vspcor-jhgtier2-03
600144f0b003090000004afb990e0003      1099511562240    
/dev/zvol/rdsk/infobrick/iscsi/prmel1vspcor-jhgtier2-02
600144f0b003090000004afb990d0002      2196875706368    
/dev/zvol/rdsk/infobrick/iscsi/prmel1vspcor-jhgtier2-01
600144f0b003090000004afb990c0001      2196875706368    
/dev/zvol/rdsk/infobrick/iscsi/prmel1vspcor-jhgtier2-00

I've reallocated these same LUN's to a Windows server (a VM with MS iSCSI 
initiator) and this works fine.

One your posting below I've created a new 1024GB LUN and tried allocated this 
and only this LUN to vSphere, but I'm getting the same issue.  Here are the new 
details:-

              GUID                    DATA SIZE           SOURCE
--------------------------------  -------------------  ----------------
600144f0b003090000004afbac8a0007      1099511562240    
/dev/zvol/rdsk/infobrick/iscsi/prmel1vspcor-jhgtier2-04

# stmfadm list-view -l 600144f0b003090000004afbac8a0007
View Entry: 0
    Host group   : prmel1vspcor
    Target group : All
    LUN          : 0

# stmfadm list-hg -v
Host Group: prmel1vspcor
        Member: iqn.1998-01.com.vmware:prmel1vspcor02-74207c44

Unfortunately there is no change to the behaviour - same errors in the 
/var/log/vmkernel:-

Nov 12 17:29:35 PRMEL1VSPCOR02 vmkernel: 0:01:15:02.440 cpu6:4252)ScsiScan: 
839: Path 'vmhba34:C0:T0:L0': Vendor: 'SUN     '  Model: 'COMSTAR          '  
Rev: '1.0 ' 
Nov 12 17:29:35 PRMEL1VSPCOR02 vmkernel: 0:01:15:02.440 cpu6:4252)ScsiScan: 
842: Path 'vmhba34:C0:T0:L0': Type: 0x1f, ANSI rev: 5, TPGS: 0 (none) 
Nov 12 17:29:35 PRMEL1VSPCOR02 vmkernel: 0:01:15:02.440 cpu6:4252)ScsiScan: 
105: Path 'vmhba34:C0:T0:L0': Peripheral qualifier 0x1 not supported 
...
Nov 12 17:35:05 PRMEL1VSPCOR02 vmkernel: 0:00:02:30.505 cpu1:4241)WARNING: 
iscsi_vmk: iscsivmk_ConnReceiveAtomic: vmhba34:CH:2 T:0 CN:0: Failed to receive 
data: Connection closed by peer 
Nov 12 17:35:05 PRMEL1VSPCOR02 vmkernel: 0:00:02:30.505 cpu1:4241)WARNING: 
iscsi_vmk: iscsivmk_ConnReceiveAtomic: Sess [ISID: 00023d000003 TARGET: 
iqn.1986-03.com.sun:02:dd37a032-4edf-cdb5-a1aa-81726262d094 TPGT: 2 TSIH: 0] 
Nov 12 17:35:05 PRMEL1VSPCOR02 vmkernel: 0:00:02:30.505 cpu1:4241)WARNING: 
iscsi_vmk: iscsivmk_ConnReceiveAtomic: Conn [CID: 0 L: 172.22.205.39:52606 R: 
172.22.205.27:3260] 
Nov 12 17:35:05 PRMEL1VSPCOR02 vmkernel: 0:00:02:30.505 cpu1:4241)iscsi_vmk: 
iscsivmk_ConnRxNotifyFailure: vmhba34:CH:2 T:0 CN:0: Connection rx notifying 
failure: Failed to Receive. State=Online 
Nov 12 17:35:05 PRMEL1VSPCOR02 vmkernel: 0:00:02:30.505 cpu1:4241)iscsi_vmk: 
iscsivmk_ConnRxNotifyFailure: Sess [ISID: 00023d000003 TARGET: 
iqn.1986-03.com.sun:02:dd37a032-4edf-cdb5-a1aa-81726262d094 TPGT: 2 TSIH: 0] 
Nov 12 17:35:05 PRMEL1VSPCOR02 vmkernel: 0:00:02:30.505 cpu1:4241)iscsi_vmk: 
iscsivmk_ConnRxNotifyFailure: Conn [CID: 0 L: 172.22.205.39:52606 R: 
172.22.205.27:3260] 
Nov 12 17:35:05 PRMEL1VSPCOR02 vmkernel: 0:00:02:30.505 cpu1:4241)WARNING: 
iscsi_vmk: iscsivmk_StopConnection: vmhba34:CH:2 T:0 CN:0: Processing CLEANUP 
event 
Nov 12 17:35:05 PRMEL1VSPCOR02 vmkernel: 0:00:02:30.505 cpu1:4241)WARNING: 
iscsi_vmk: iscsivmk_StopConnection: Sess [ISID: 00023d000003 TARGET: 
iqn.1986-03.com.sun:02:dd37a032-4edf-cdb5-a1aa-81726262d094 TPGT: 2 TSIH: 0] 
...

I've even tried a reboot of my vSphere server just to be sure that nothing was 
invalid there (btw, CHAP is currently disabled as well), but no good.
-- 
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