Re: An note on the HP MPX 100

2008-11-19 Thread Bart Van Assche

On Wed, Nov 19, 2008 at 11:03 AM, Ulrich Windl
[EMAIL PROTECTED] wrote:
 maybe some of you like to know what I think to have found out:
 The HP EVA iSCSI connectivity MPX 100 box seems to be an OEM version of the
 Qlogic iSR6140 Universal SAN Connectivity (with different firmware however).

Does this box have an Ethernet network interface ? If so, any idea
whether this is a regular Ethernet network interface or a QLogic iSCSI
HBA ? Looking at the first three bytes of the MAC address might reveal
this (not sure about this).

Bart.

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An note on the HP MPX 100

2008-11-19 Thread Ulrich Windl

Hi,

maybe some of you like to know what I think to have found out:
The HP EVA iSCSI connectivity MPX 100 box seems to be an OEM version of the 
Qlogic iSR6140 Universal SAN Connectivity (with different firmware however).

Unfortunately HP support seems to know a little less about the box than myself 
;-)

Oh man, but they sell it!

Regards,
Ulrich


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Re: A note on the HP MPX 100

2008-11-19 Thread Ulrich Windl

On 19 Nov 2008 at 14:43, Bart Van Assche wrote:

 On Wed, Nov 19, 2008 at 11:03 AM, Ulrich Windl
 [EMAIL PROTECTED] wrote:
  maybe some of you like to know what I think to have found out:
  The HP EVA iSCSI connectivity MPX 100 box seems to be an OEM version of 
  the
  Qlogic iSR6140 Universal SAN Connectivity (with different firmware 
  however).
 
 Does this box have an Ethernet network interface ? If so, any idea
 whether this is a regular Ethernet network interface or a QLogic iSCSI
 HBA ? Looking at the first three bytes of the MAC address might reveal
 this (not sure about this).

Hi Bart,

I assume there are quite a few iSCSI boxes without Ethernet interfaces ;-)
The box has two Gb Ethernet interfaces that, AFAIK, have hardware acceleration 
for 
iSCSI. (If you search the Internet for Qlogic iSR6140 Universal SAN 
Connectivity 
you may find the whitepaper that shows an image of the connectors of the box)

The access to the hardware is resticted, but having the facts that qlogic built 
the hardware for iSCSI, it's quite possible that they use their own hardware-
accelerated iSCSI HBAs. Will the MAC 00:C0:DD:0D:0C:8B uncover the secret?

Regards,
Ulrich


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Re: A note on the HP MPX 100

2008-11-19 Thread Bart Van Assche

On Thu, Nov 20, 2008 at 8:33 AM, Ulrich Windl
[EMAIL PROTECTED] wrote:
 I assume there are quite a few iSCSI boxes without Ethernet interfaces ;-)

iSCSI does not only run over Ethernet but also over e.g. InfiniBand.

 The box has two Gb Ethernet interfaces that, AFAIK, have hardware 
 acceleration for
 iSCSI. (If you search the Internet for Qlogic iSR6140 Universal SAN 
 Connectivity
 you may find the whitepaper that shows an image of the connectors of the box)

 The access to the hardware is resticted, but having the facts that qlogic 
 built
 the hardware for iSCSI, it's quite possible that they use their own hardware-
 accelerated iSCSI HBAs. Will the MAC 00:C0:DD:0D:0C:8B uncover the secret?

From http://standards.ieee.org/regauth/oui/index.shtml:

00-C0-DD   (hex)QLogic Corporation
00C0DD (base 16)QLogic Corporation
6321 Bury Dr.
Eden Prarie MN 55346
UNITED STATES

The above information is consistent with what you reported, namely
that the NIC's have hardware iSCSI acceleration. This information is
relevant because it tells us something about where to look for the
CHAP implementation. Maybe one of the people who reads this mailing
list knows whether CHAP support for QLogic HBA's is implemented in the
QLogic kernel driver or the QLogic HBA BIOS ?

Bart.

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