Re: Two types of initiator stacks

2020-01-13 Thread Bobby 
Hi Donald,

Thanks a lot ! That was a very nice explanation...Now the concept is clear 
to me :) !

On Friday, January 10, 2020 at 7:40:34 PM UTC+1, Donald Williams wrote:
>
> Hello, 
>  You are very welcome.  
>
> Also, iSCSI offload cards like the Broadcom (Now owned by Qlogic) are 
> typically called "dependent hardware initiators'.  Since it depends on 
> connection to the OS network stack to make it fully functional.  Otherwise, 
> it behaves just like a standard NIC. 
>
> Cards that completely offload the network and iSCSI functions are known as 
> "Independent hardware initiators'.   Since they don't require that OS 
> network connection.  They appear solely as a SCSI adapter to the OS.  All 
> the network configuration is done on the card.  Qlogic used to make the 
> best examples of this.  The Qlogic 4xxx series iSCSI HBAs.   Now you see 
> this in cards that support DCB, they are called "Converged Network 
> Adapters"  CNAs.   Since very few Software Initiators support DCB naively 
> the card has to handle everything.  
>
> Regards, 
> Don 
>
>
>
> On Fri, Jan 10, 2020 at 11:18 AM Bobby > 
> wrote:
>
>> ah OK thanks !
>>
>>
>> On Thursday, January 9, 2020 at 7:35:07 PM UTC+1, Donald Williams wrote:
>>>
>>> Hello, 
>>>  
>>>  It is referring to iSCSI HBA cards like Broadcom BCM58xx/57xxx or just 
>>> using a standard NIC and the Software iSCSI adapter open-iSCSI provides. 
>>>
>>> Regards, 
>>> Don 
>>>
>>>
>>>
>>> On Thu, Jan 9, 2020 at 11:57 AM Bobby  wrote:
>>>
 Under section "How to setup iSCSI interfaces (iface) for binding" of 
 README, there is this paragraph:

 " To manage both types of initiator stacks, iscsiadm uses the interface 
 (iface)
 structure. For each HBA port or for software iscsi for each network
 device (ethX) or NIC, that you wish to bind sessions to you must create
 a iface config /etc/iscsi/ifaces. "



  Here I am confused. Which both types of initiator stacks we mean here?



 Thanks !

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 .

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>>  
>> 
>> .
>>
>

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Re: Two types of initiator stacks

2020-01-10 Thread Donald Williams 
Hello,
 You are very welcome.

Also, iSCSI offload cards like the Broadcom (Now owned by Qlogic) are
typically called "dependent hardware initiators'.  Since it depends on
connection to the OS network stack to make it fully functional.  Otherwise,
it behaves just like a standard NIC.

Cards that completely offload the network and iSCSI functions are known as
"Independent hardware initiators'.   Since they don't require that OS
network connection.  They appear solely as a SCSI adapter to the OS.  All
the network configuration is done on the card.  Qlogic used to make the
best examples of this.  The Qlogic 4xxx series iSCSI HBAs.   Now you see
this in cards that support DCB, they are called "Converged Network
Adapters"  CNAs.   Since very few Software Initiators support DCB naively
the card has to handle everything.

Regards,
Don



On Fri, Jan 10, 2020 at 11:18 AM Bobby  wrote:

> ah OK thanks !
>
>
> On Thursday, January 9, 2020 at 7:35:07 PM UTC+1, Donald Williams wrote:
>>
>> Hello,
>>
>>  It is referring to iSCSI HBA cards like Broadcom BCM58xx/57xxx or just
>> using a standard NIC and the Software iSCSI adapter open-iSCSI provides.
>>
>> Regards,
>> Don
>>
>>
>>
>> On Thu, Jan 9, 2020 at 11:57 AM Bobby  wrote:
>>
>>> Under section "How to setup iSCSI interfaces (iface) for binding" of
>>> README, there is this paragraph:
>>>
>>> " To manage both types of initiator stacks, iscsiadm uses the interface 
>>> (iface)
>>> structure. For each HBA port or for software iscsi for each network
>>> device (ethX) or NIC, that you wish to bind sessions to you must create
>>> a iface config /etc/iscsi/ifaces. "
>>>
>>>
>>>
>>>  Here I am confused. Which both types of initiator stacks we mean here?
>>>
>>>
>>>
>>> Thanks !
>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "open-iscsi" group.
>>> To unsubscribe from this group and stop receiving emails from it, send
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>>> To view this discussion on the web visit
>>> https://groups.google.com/d/msgid/open-iscsi/587116d0-ebce-45b9-b5cf-e6fbc3437b41%40googlegroups.com
>>> 
>>> .
>>>
>> --
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> 
> .
>

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Re: Two types of initiator stacks

2020-01-10 Thread Bobby 
ah OK thanks !


On Thursday, January 9, 2020 at 7:35:07 PM UTC+1, Donald Williams wrote:
>
> Hello, 
>  
>  It is referring to iSCSI HBA cards like Broadcom BCM58xx/57xxx or just 
> using a standard NIC and the Software iSCSI adapter open-iSCSI provides. 
>
> Regards, 
> Don 
>
>
>
> On Thu, Jan 9, 2020 at 11:57 AM Bobby > 
> wrote:
>
>> Under section "How to setup iSCSI interfaces (iface) for binding" of 
>> README, there is this paragraph:
>>
>> " To manage both types of initiator stacks, iscsiadm uses the interface 
>> (iface)
>> structure. For each HBA port or for software iscsi for each network
>> device (ethX) or NIC, that you wish to bind sessions to you must create
>> a iface config /etc/iscsi/ifaces. "
>>
>>
>>
>>  Here I am confused. Which both types of initiator stacks we mean here?
>>
>>
>>
>> Thanks !
>>
>> -- 
>> You received this message because you are subscribed to the Google Groups 
>> "open-iscsi" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to open-...@googlegroups.com .
>> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/open-iscsi/587116d0-ebce-45b9-b5cf-e6fbc3437b41%40googlegroups.com
>>  
>> 
>> .
>>
>

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Re: Two types of initiator stacks

2020-01-09 Thread Donald Williams 
Hello,

 It is referring to iSCSI HBA cards like Broadcom BCM58xx/57xxx or just
using a standard NIC and the Software iSCSI adapter open-iSCSI provides.

Regards,
Don



On Thu, Jan 9, 2020 at 11:57 AM Bobby  wrote:

> Under section "How to setup iSCSI interfaces (iface) for binding" of
> README, there is this paragraph:
>
> " To manage both types of initiator stacks, iscsiadm uses the interface 
> (iface)
> structure. For each HBA port or for software iscsi for each network
> device (ethX) or NIC, that you wish to bind sessions to you must create
> a iface config /etc/iscsi/ifaces. "
>
>
>
>  Here I am confused. Which both types of initiator stacks we mean here?
>
>
>
> Thanks !
>
> --
> You received this message because you are subscribed to the Google Groups
> "open-iscsi" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to open-iscsi+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/open-iscsi/587116d0-ebce-45b9-b5cf-e6fbc3437b41%40googlegroups.com
> 
> .
>

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Two types of initiator stacks

2020-01-09 Thread Bobby 
Under section "How to setup iSCSI interfaces (iface) for binding" of 
README, there is this paragraph:

" To manage both types of initiator stacks, iscsiadm uses the interface (iface)
structure. For each HBA port or for software iscsi for each network
device (ethX) or NIC, that you wish to bind sessions to you must create
a iface config /etc/iscsi/ifaces. "



 Here I am confused. Which both types of initiator stacks we mean here?



Thanks !

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