[stgt] scsi_id not valid in iscsi node

[lingli tang]

if we use the scsi_id, it return the same thing.
scsi_id --export --whitelisted --device=/dev/sdb
  E: ID_SERIAL_RAW=360000000000000000e001000c00000e0
  E: ID_SERIAL=360000000000000000e001000c00000e0
  E: ID_SERIAL_SHORT=60000000000000000e001000c00000e0

Do we need another tool or update iscsiadm/scsi_id/multipath
or return to tgt 1.0.24？

2014-06-03 14:09 GMT+08:00 Apollon Oikonomopoulos <apoikos at debian.org>:
> Hi,
> On 14:43 Mon 02 Jun     , Nicholas A. Bellinger wrote:
>> Forwarding to the correct stgt-devel list..
>>
>> On Fri, 2014-05-30 at 17:38 +0800, lingli tang wrote:
>> > 点击展示：
>> > 1. 点击服务器展示服务器的：cpu（%user,%sys,%iowait,%idle）,memory(Total，used, free,
>> > buffer, cache), IOPS(read request, write request), Througthput(read
>> > kb, write kb)，
>> >
>> > we use tgtd 1.0.47 to export a disk and use iscsiadm to load it.
>> > but the ID_SERIAL of this disk is not the same with scsi_id of export disk.
>> > if we use tgtd 1.0.24 it is the same.
>
>> >
>> > after iscsiadm log in, we check the ID_SERIAL of this disk using
>> > “udevadm info --query=all --path=/block/sdb”：
>> >     E: ID_SERIAL_RAW=360000000000000000e001000c00000e0
>> >     E: ID_SERIAL=360000000000000000e001000c00000e0
>> >     E: ID_SERIAL_SHORT=60000000000000000e001000c00000e0
>> >
>> > but with tgtd 1.0.24, it is correct:
>> >     E: ID_SERIAL_RAW=1test1-iscsi-iser
>> >     E: ID_SERIAL=1test1-iscsi-iser
>> >     E: ID_SERIAL_SHORT=test1-iscsi-iser
>> >
>> > test environment rhel6.2
>
> We were debugging the exact same thing yesterday, after our persistent
> links under /dev stopped working, so here's the short version of the
> story:
>
> Commit 6402eb8 added an NAA local designator (WWN) field to tgt's 0x83
> VPD (the Device Identification page), and commit 8141d67b further added
> an extended WWN. All three identifiers are sent out in tgt's 0x83 VPD,
> but udev's scsi_id helper always picks the binary WWN by preference and
> uses it as ID_SERIAL, i.e. ignores the ASCII T10 (ID_SERIAL) identifier
> present in the VPD. If you use sg_inq from the sg3-utils package you
> will get both.
>
> I'm not sure tgt can do much more than make both NAA identifiers
> optional, the issue seems to lie with udev at this point.
>
> Regards,
> Apollon
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