Re: 0.9.11 released

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On Sat, Nov 28, 2009 at 11:28 AM, Mark Harvey <markh794@xxxxxxxxx> wrote:
> Bingo..
>
> Found the problem.
>
> tgtd: tgt_mgmt(336) 184 0 2 5 1 0 4 targetOps
> mode_page=0x1d:0:0x12:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0, 2491
>
> This page is the 'Element Address Assignment' page and should be filled in:
>
> byte 1: Parameter Len 0x12
> byte 2-3: Medium Transport Element Address
> byte 4-5: Number of medium transport elements
> byte 6-7: First Storage Element
> byte 8-9: Number of Storage Elements
> bytes 10-11: First Import/Export element address
> bytes 12-13: Number Import/Export elements
> bytes 14-15: First data transfer element address
> bytes 16-17: Number of data transfer elements
> bytes 18-19: Reserved (0)
>

So, when the MODE PAGE 0x1d "tgtd: tgt_mgmt(336) 184 0 2 5 1 0 4 targetOps
mode_page=0x1d:0:0x12:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0, 2491" is
sent AFTER the setup sequence of:

tgtadm --lld iscsi --op update --mode logicalunit --tid 1 --lun=4
--params "element_type=4,start_address=500,quantity=3,media_home=/root/btapes"
tgtadm --lld iscsi --op update --mode logicalunit --tid 1 --lun=4
--params "element_type=4,address=500,tid=1,lun=1"
tgtadm --lld iscsi --op update --mode logicalunit --tid 1 --lun=4
--params "element_type=4,address=500,tid=1,lun=2"
tgtadm --lld iscsi --op update --mode logicalunit --tid 1 --lun=4
--params "element_type=4,address=500,tid=1,lun=3"

All the values are 'reset' to 0..

I'll add a check for null values and throw a warning (Tomo, should I
call assert() ??) if it occurs.

Cheers
Mark
>
> On Sat, Nov 28, 2009 at 11:03 AM, FUJITA Tomonori
> <fujita.tomonori@xxxxxxxxxxxxx> wrote:
>> On Fri, 27 Nov 2009 21:08:26 +0100
>> Albert Pauw <albert.pauw@xxxxxxxxx> wrote:
>>
>>> On 11/27/2009 10:49 AM, Tomasz Chmielewski wrote:
>>> > Albert Pauw wrote:
>>> >
>>> >> The most obvious difference is that the mode_pages are set up before
>>> >> defining the element types in my script, while the
>>> >> targets.conf version does it the other way round. The other thing is
>>> >> that the script defines one separate media_home, while
>>> >> the targets.conf version defines the same media_home for every
>>> >> element_type.
>>> >
>>> > Could you check what makes a difference here?
>>> >
>>> > 1. In the output generated by tgt-admin, set mode_page before defining
>>> > element types
>>> Bingo, moved the following before the mode page in my manual script,
>>> just like tgt-admin does:
>>
>> Your targets.conf defines 'mode_page' before 'params'. So if tgt-admin
>> calls 'update' in the order of definitions, then it should be fine.
>>
>> Tomasz, is it possible to change tgt-admin in that way?
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