Just to followup here on a bit of digging I've been doing...
The only place in the configfs tree that I can anything that resembles
the value that "scsi_id -g" on the initiator returns is in:
/sys/kernel/config/target/core/*/*/wwn/vpd_assoc_logical_unit, for example:
T10 VPD Identifier Association: addressed logical unit
T10 VPD Identifier Type: NAA
T10 VPD Binary Device Identifier: 360014058da4cbf2d90f3d4404d962ed8
T10 VPD Identifier Association: addressed logical unit
T10 VPD Identifier Type: T10 Vendor ID based
T10 VPD ASCII Device Identifier: LIO-ORG
I'm guessing that I cannot set the contents of this file though, can I? When I try I get:
# cat /sys/kernel/config/target/core/iblock_2/sdc/wwn/vpd_assoc_logical_unit >/tmp/foo
# sed -i -e 's/360014058da4cbf2d90f3d4404d962ed8/wc35_sda/' /tmp/foo
# cat > /sys/kernel/config/target/core/iblock_2/sdc/wwn/vpd_assoc_logical_unit </tmp/foo
cat: write error: Function not implemented
Ultimately I am trying to achieve what the following does with the tgtd
iSCSI target:
<target iqn.2008-09.wc35:server.target1>
<direct-store /dev/sda>
scsi_id wc35_sda
</direct-store>
</target>
When I give that configuration to tgtd on the initiator, scsi_id -g
returns "wc35_sda".
Thanks again,
b.
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