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scst iser setting
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gistfile1.md

Reference.

HowTo Configure SCST Block Storage Target Enabled with ISER HowTo Configure TGT enabled with iSER Transport for RHEL

environment

  • OS: CentOS7
  • Infiniband: Inbox drivers
  • scst: scst-3.0.x-iser branch
  • target ipoib ip: 192.168.11.24
  • initiator ipoib ip: 192.168.11.21

initiator setting

cat /etc/rdma/rdma.conf

ISER_LOAD=yes

install iscsi-initiator-utils

yum install iscsi-initiator-utils

scst.conf

make scst
make scst_install
make scstadm
make scstadm_install
make iscsi
make iscsi_install

HANDLER vdisk_blockio { DEVICE disk01 { filename /dev/mapper/centos_monkey-test } }

TARGET_DRIVER iscsi {
        enabled 1

        TARGET iqn.2006-10.tgt {
                allowed_portal 192.168.11.21
                QueuedCommands 128
                LUN 0 disk_null
                LUN 1 disk01
                enabled 1
        }

}

initiator side

iscsiadm --op=new --op=delete -m discovery -t st -p 192.168.11.24:3260 -I iser
iscsiadm: No portals found

log

Oct  9 10:42:35 monkey kernel: iscsi-scst: Releasing allocated resources
Oct  9 10:42:35 monkey kernel: iser portal cm_id:ffff8807e2dca000 releasing
Oct  9 10:42:35 monkey kernel: iser portal cm_id:ffff8807e2dcd800 releasing
Oct  9 10:42:35 monkey kernel: scst: Target iqn.2006-10.tgt for template iscsi unregistered successfully
Oct  9 10:42:36 monkey kernel: iscsi-scst: Unregistered iSCSI transport: iSER

Oct  9 10:42:36 monkey kernel: iscsi-scst: Read thread for PID 4586 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Read thread for PID 4587 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Read thread for PID 4588 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Read thread for PID 4589 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Read thread for PID 4590 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Read thread for PID 4591 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Read thread for PID 4592 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Read thread for PID 4593 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Write thread PID 4594 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Write thread PID 4595 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Write thread PID 4596 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Write thread PID 4597 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Write thread PID 4598 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Write thread PID 4599 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Write thread PID 4600 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: iscsi-scst: Write thread PID 4601 for pool ffff8807f0cc5480 finished
Oct  9 10:42:36 monkey kernel: scst: Target template iscsi unregistered successfully
Oct  9 10:42:36 monkey kernel: iscsi-scst: Unregistered iSCSI transport: iSCSI-TCP

Oct  9 10:42:36 monkey kernel: dev_vdisk: Detached virtual device disk01 ("/dev/mapper/centos_monkey-test")
Oct  9 10:42:36 monkey kernel: scst: Detached from virtual device disk01 (id 1)
Oct  9 10:42:36 monkey kernel: dev_vdisk: Virtual device disk01 unregistered
Oct  9 10:42:36 monkey kernel: dev_vdisk: Detached virtual device disk_null ("none")
Oct  9 10:42:36 monkey kernel: scst: Detached from virtual device disk_null (id 2)
Oct  9 10:42:36 monkey kernel: dev_vdisk: Virtual device disk_null unregistered
Oct  9 10:42:36 monkey kernel: scst: Device handler "vdisk_nullio" unloaded
Oct  9 10:42:36 monkey kernel: scst: Device handler "vdisk_blockio" unloaded
Oct  9 10:42:36 monkey kernel: scst: Device handler "vdisk_fileio" unloaded
Oct  9 10:42:36 monkey kernel: scst: Device handler "vcdrom" unloaded
Oct  9 10:42:36 monkey kernel: scst: Task management thread PID 4582 finished
Oct  9 10:42:36 monkey kernel: scst: Management thread PID 4583 finished
Oct  9 10:42:36 monkey kernel: scst: Init thread PID 4581 finished
Oct  9 10:42:36 monkey kernel: scst: Detached from scsi0, channel 2, id 0, lun 0, type 0
Oct  9 10:42:36 monkey kernel: scst: Exiting SCST sysfs hierarchy...
Oct  9 10:42:39 monkey kernel: scst: User interface thread PID 4572 finished
Oct  9 10:42:39 monkey kernel: scst: Exiting SCST sysfs hierarchy done
Oct  9 10:42:39 monkey kernel: scst: SCST unloaded
Oct  9 10:42:39 monkey kernel: scst: User interface thread started, PID 4725
Oct  9 10:42:39 monkey kernel: scst: Attached to scsi0, channel 2, id 0, lun 0, type 0
Oct  9 10:42:39 monkey kernel: scst: Init thread started, PID 4734
Oct  9 10:42:39 monkey kernel: scst: Task management thread started, PID 4735
Oct  9 10:42:39 monkey kernel: scst: SCST version 3.0.0 loaded successfully (max mem for commands 7993MB, per device 3197MB)
Oct  9 10:42:39 monkey kernel: scst: Management thread started, PID 4736
Oct  9 10:42:39 monkey kernel: scst: Enabled features: TRACING
Oct  9 10:42:39 monkey kernel: scst: Virtual device handler vdisk_fileio for type 0 registered successfully
Oct  9 10:42:39 monkey kernel: scst: Virtual device handler vdisk_blockio for type 0 registered successfully
Oct  9 10:42:39 monkey kernel: scst: Virtual device handler vdisk_nullio for type 0 registered successfully
Oct  9 10:42:39 monkey kernel: scst: Virtual device handler vcdrom for type 5 registered successfully
Oct  9 10:42:39 monkey kernel: iscsi-scst: iSCSI SCST Target - version 3.0.0
Oct  9 10:42:39 monkey kernel: iscsi-scst: Registered iSCSI transport: iSCSI-TCP

Oct  9 10:42:39 monkey kernel: scst: Target template iscsi registered successfully
Oct  9 10:42:39 monkey kernel: iscsi-scst: Read thread for pool ffff8807f0c8ce00 started, PID 4739
Oct  9 10:42:39 monkey kernel: iscsi-scst: Read thread for pool ffff8807f0c8ce00 started, PID 4740
Oct  9 10:42:39 monkey kernel: iscsi-scst: Read thread for pool ffff8807f0c8ce00 started, PID 4741
Oct  9 10:42:39 monkey kernel: iscsi-scst: Read thread for pool ffff8807f0c8ce00 started, PID 4742
Oct  9 10:42:39 monkey kernel: iscsi-scst: Read thread for pool ffff8807f0c8ce00 started, PID 4743
Oct  9 10:42:39 monkey kernel: iscsi-scst: Read thread for pool ffff8807f0c8ce00 started, PID 4744
Oct  9 10:42:39 monkey kernel: iscsi-scst: Read thread for pool ffff8807f0c8ce00 started, PID 4745
Oct  9 10:42:39 monkey kernel: iscsi-scst: Read thread for pool ffff8807f0c8ce00 started, PID 4746
Oct  9 10:42:39 monkey kernel: iscsi-scst: Write thread for pool ffff8807f0c8ce00 started, PID 4747
Oct  9 10:42:39 monkey kernel: iscsi-scst: Write thread for pool ffff8807f0c8ce00 started, PID 4748
Oct  9 10:42:39 monkey kernel: iscsi-scst: Write thread for pool ffff8807f0c8ce00 started, PID 4749
Oct  9 10:42:39 monkey kernel: iscsi-scst: Write thread for pool ffff8807f0c8ce00 started, PID 4750
Oct  9 10:42:39 monkey kernel: iscsi-scst: Write thread for pool ffff8807f0c8ce00 started, PID 4751
Oct  9 10:42:39 monkey kernel: iscsi-scst: Write thread for pool ffff8807f0c8ce00 started, PID 4752
Oct  9 10:42:39 monkey kernel: iscsi-scst: Write thread for pool ffff8807f0c8ce00 started, PID 4753
Oct  9 10:42:39 monkey kernel: iscsi-scst: Write thread for pool ffff8807f0c8ce00 started, PID 4754
Oct  9 10:42:39 monkey kernel: iscsi-scst: Registered iSCSI transport: iSER

Oct  9 10:42:39 monkey kernel: Created iser portal cm_id:ffff8807f3252c00
Oct  9 10:42:39 monkey kernel: iser portal cm_id:ffff8807f3252c00 listens on: 0.0.0.0:3260
Oct  9 10:42:39 monkey kernel: Created iser portal cm_id:ffff8807f3251400
Oct  9 10:42:39 monkey kernel: iser portal cm_id:ffff8807f3251400 listens on: 0000:0000:0000:0000:0000:0000:0000:0000 3260
Oct  9 10:42:39 monkey kernel: dev_vdisk: Registering virtual vdisk_blockio device disk01 (BLOCKIO, ROTATIONAL)
Oct  9 10:42:39 monkey kernel: dev_vdisk: Attached SCSI target virtual disk disk01 (file="/dev/mapper/centos_monkey-test", fs=10240MB, bs=512, nblocks=20971520, cyln=10240)
Oct  9 10:42:39 monkey kernel: scst: Attached to virtual device disk01 (id 1)
Oct  9 10:42:39 monkey kernel: dev_vdisk: Registering virtual vdisk_nullio device disk_null (NULLIO, ROTATIONAL)
Oct  9 10:42:39 monkey kernel: dev_vdisk: Attached SCSI target virtual disk disk_null (file="none", fs=2621440MB, bs=512, nblocks=5368709120, cyln=2621440)
Oct  9 10:42:39 monkey kernel: scst: Attached to virtual device disk_null (id 2)
Oct  9 10:42:39 monkey kernel: scst: Target iqn.2006-10.tgt for template iscsi registered successfully
Oct  9 10:42:39 monkey kernel: scst: Added device disk_null to group iqn.2006-10.tgt (LUN 0, rd_only 0) to target iqn.2006-10.tgt
Oct  9 10:42:39 monkey kernel: scst: Added device disk01 to group iqn.2006-10.tgt (LUN 1, rd_only 0) to target iqn.2006-10.tgt
Oct  9 10:42:39 monkey kernel: scst: Using autogenerated relative target id 1 for target iqn.2006-10.tgt
Oct  9 10:43:18 monkey kernel: isert_cm_evt:CONNECT_REQUEST(4) status:0 portal:ffff8807e11f8e40 cm_id:ffff8807f3252800
Oct  9 10:43:18 monkey kernel: iser created device:ffff8807f1de1600
Oct  9 10:43:18 monkey kernel: iser created cm_id:ffff8807f3252800 qp:0x140406
Oct  9 10:43:18 monkey iscsi-scstd: iSER Connect to 192.168.11.24:3260
Oct  9 10:43:18 monkey kernel: iser accepted connection cm_id:ffff8807f3252800 192.168.11.21->192.168.11.24
Oct  9 10:43:18 monkey kernel: isert_cm_evt:ESTABLISHED(9) status:0 portal:ffff8807e11f8e40 cm_id:ffff8807f3252800
Oct  9 10:43:19 monkey kernel: isert_cm_evt:DISCONNECTED(10) status:0 portal:ffff8807e11f8e40 cm_id:ffff8807f3252800
Oct  9 10:43:22 monkey kernel: isert_cm_evt:TIMEWAIT_EXIT(15) status:0 portal:ffff8807e11f8e40 cm_id:ffff8807f3252800
Oct  9 10:43:22 monkey kernel: isert_conn_free conn:ffff8807e1000000
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