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November 8th, 2007 11:00

help to interpret information from symdev show

Given a segment of
symdev show , say "05D3"

Disk [Director, Interface, TID] : [11B, D, 4]
Disk Director Volume Number : 276 (0x113)

question:
1. what is the meaning of the field of TID = 4 ?
2. what is meaning of "Director volume Number" = 240 ?

is this the same as the LUN number for "05D3" got
when it assigned to FA port , say FA:P="13C:1"?

Thanks.
jasonj

2.8K Posts

November 9th, 2007 05:00

Dsk [Director, Interface, TID] : [11B, D, 4]

The hyper is on a disk that have a Target Identifier (TID) set to 4 (it depends on the location of the drive in the backend .. Given the full address - 11B:D04 in this case, you can open your box and find the HDA that hosts your data)

Disk Director Volume Number : 276 (0x113)

The hyper is the 276th handled from your processor 11B .. that's all ;-)

is this the same as the LUN number for "05D3" got
when it assigned to FA port , say FA:P="13C:1"?

Since both values refers to the backend, they do not change if your volume is mapped or not ;-)

14 Posts

January 8th, 2013 20:00

Hi Stefano,

I would like to understand the following line more accurately:

Disk [Director, Interface, TID] : [11B, D, 4]

So, 11 is DA Slot number.

B (of 11B) is the processor/port number of DA 11.

Now what are the 'interface' and 'tid'? How do I relate it to the position of the disk?

3 Posts

January 9th, 2013 00:00

Interface is nothing but the port number.

TID is referring to the disk slot on the Enclosure. In one DAE, We can have a maximum of 15 disks [0-E], 4 refers the 5th slot on that particular enclosure.

[1-16] 11 - Director

[A,B,C,D] B  - Controller

[C,D] C- port

[0-E] 4 - disk slot

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