Re: Q: on ISIDs and TSIDs

2009-01-22 Thread Ulrich Windl

On 21 Jan 2009 at 12:01, Mike Christie wrote:

 
 Ulrich Windl wrote:
  On 20 Jan 2009 at 13:34, Mike Christie wrote:
  
  Ulrich Windl wrote:
  Hi,
 
  there are Initiator Session IDs (ISID) and Target Session IDs (TSID) 
  in the 
  iSCSI specification. iscsiadm -m session -i (from SLES10 SP1) displays:
  Session (sid 6): is that the ISID?
  No. It is just the kernel's identifier for the session.
 
  Host Number: 9 : is that the TSID?
  No. It is the kernel's identifier for the host that the session is on.
 
  If both is true, I'd suggest to adjust the wording to be closer to the 
  specification.
  If I'm wrong, can I display TSIDs and ISIDs?
 
  No. It is not currently displayed. I can add it.
  
  Hi Mike,
  
  so both are a table index, and the table knows the ISID and TSID?
  
 
 I guess sort of table index. The table currently does not know TSID. We 
 do not store this. I would have to add code to parse this out of the 
 login info and store it so it could be printed out. For isid I have this 
 info for software iscsi but for hardware iscsi like qla4xxx I need to 
 add code.

Hi,

just when others are wondering: Occasionally soemeone has to do packet traces 
(or 
end-to-end comparisons) to trace some obscure problems, and being able to have 
those IDs seems like a good idea to me -- pro-active. But if those are  hard 
to 
get: Don't invest too much time.

Regards,
Ulrich


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Re: Q: on ISIDs and TSIDs

2009-01-22 Thread Mike Christie

Ulrich Windl wrote:
 On 21 Jan 2009 at 12:01, Mike Christie wrote:
 
 Ulrich Windl wrote:
 On 20 Jan 2009 at 13:34, Mike Christie wrote:

 Ulrich Windl wrote:
 Hi,

 there are Initiator Session IDs (ISID) and Target Session IDs (TSID) 
 in the 
 iSCSI specification. iscsiadm -m session -i (from SLES10 SP1) displays:
 Session (sid 6): is that the ISID?
 No. It is just the kernel's identifier for the session.

 Host Number: 9 : is that the TSID?
 No. It is the kernel's identifier for the host that the session is on.

 If both is true, I'd suggest to adjust the wording to be closer to the 
 specification.
 If I'm wrong, can I display TSIDs and ISIDs?

 No. It is not currently displayed. I can add it.
 Hi Mike,

 so both are a table index, and the table knows the ISID and TSID?

 I guess sort of table index. The table currently does not know TSID. We 
 do not store this. I would have to add code to parse this out of the 
 login info and store it so it could be printed out. For isid I have this 
 info for software iscsi but for hardware iscsi like qla4xxx I need to 
 add code.
 
 Hi,
 
 just when others are wondering: Occasionally soemeone has to do packet traces 
 (or 
 end-to-end comparisons) to trace some obscure problems, and being able to 
 have 
 those IDs seems like a good idea to me -- pro-active. But if those are  
 hard to 
 get: Don't invest too much time.
 

I was going to add the isisd soon (I goofed on the bit/byte printing in 
my first try and forgot about it). I had not planned on the tsid, but 
will add it when I add isisd.

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Re: Q: on ISIDs and TSIDs

2009-01-21 Thread Ulrich Windl

On 20 Jan 2009 at 13:34, Mike Christie wrote:

 
 Ulrich Windl wrote:
  Hi,
  
  there are Initiator Session IDs (ISID) and Target Session IDs (TSID) in 
  the 
  iSCSI specification. iscsiadm -m session -i (from SLES10 SP1) displays:
  Session (sid 6): is that the ISID?
 
 No. It is just the kernel's identifier for the session.
 
  Host Number: 9 : is that the TSID?
 
 No. It is the kernel's identifier for the host that the session is on.
 
  
  If both is true, I'd suggest to adjust the wording to be closer to the 
  specification.
  If I'm wrong, can I display TSIDs and ISIDs?
  
 
 No. It is not currently displayed. I can add it.

Hi Mike,

so both are a table index, and the table knows the ISID and TSID?

Regards,
Ulrich


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Re: Q: on ISIDs and TSIDs

2009-01-21 Thread Mike Christie

Ulrich Windl wrote:
 On 20 Jan 2009 at 13:34, Mike Christie wrote:
 
 Ulrich Windl wrote:
 Hi,

 there are Initiator Session IDs (ISID) and Target Session IDs (TSID) in 
 the 
 iSCSI specification. iscsiadm -m session -i (from SLES10 SP1) displays:
 Session (sid 6): is that the ISID?
 No. It is just the kernel's identifier for the session.

 Host Number: 9 : is that the TSID?
 No. It is the kernel's identifier for the host that the session is on.

 If both is true, I'd suggest to adjust the wording to be closer to the 
 specification.
 If I'm wrong, can I display TSIDs and ISIDs?

 No. It is not currently displayed. I can add it.
 
 Hi Mike,
 
 so both are a table index, and the table knows the ISID and TSID?
 

I guess sort of table index. The table currently does not know TSID. We 
do not store this. I would have to add code to parse this out of the 
login info and store it so it could be printed out. For isid I have this 
info for software iscsi but for hardware iscsi like qla4xxx I need to 
add code.

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Re: Q: on ISIDs and TSIDs

2009-01-20 Thread Mike Christie

Ulrich Windl wrote:
 Hi,
 
 there are Initiator Session IDs (ISID) and Target Session IDs (TSID) in 
 the 
 iSCSI specification. iscsiadm -m session -i (from SLES10 SP1) displays:
 Session (sid 6): is that the ISID?

No. It is just the kernel's identifier for the session.

 Host Number: 9 : is that the TSID?

No. It is the kernel's identifier for the host that the session is on.

 
 If both is true, I'd suggest to adjust the wording to be closer to the 
 specification.
 If I'm wrong, can I display TSIDs and ISIDs?
 

No. It is not currently displayed. I can add it.

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