Re: How many S/W iSCSI Initiators on same machine?

2009-08-06 Thread Rainer Bläs


Tank you, Mike!

 With the current open-iscsi version, you can set a initiator name per
 iface.


Which version (2.0871??) do you mean. On my SLES 10SP2 there is
version 2.0707
and this does not work:

#iscsiadm -m iface -I eth0 -o update -n iface.initiatorname -v iqn.
2009-08.com.test

Still see this iqn.1993-08.de.suse...name.

Rainer

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Re: How many S/W iSCSI Initiators on same machine?

2009-08-06 Thread Mike Christie

On 08/06/2009 08:23 AM, Rainer Bläs wrote:

 Tank you, Mike!
 With the current open-iscsi version, you can set a initiator name per
 iface.


 Which version (2.0871??) do you mean. On my SLES 10SP2 there is
 version 2.0707
 and this does not work:


I think 707 is too old. You need at least open-iscsi-2.0-870.

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Re: How many S/W iSCSI Initiators on same machine?

2009-08-05 Thread Ulrich Windl

On 4 Aug 2009 at 1:16, Rainer Bläs wrote:

 
 Thanks for your answer!
 Yes, by using #iscsiadm -m iface -I ethN, N=1...6 we can have 6
 iSCSI sessions.
 
 But now there is the question HOWTO assign an initiator name for EACH
 session?

I think the concept is that one physical machine has one initiator name, maybe 
because you can access the same LUN via different sessions.
BTW: The documentation for the HP-UX iSCSI Initiator has a nice documentation 
that 
explains the basics of iSCSI. It can be found at http://docs.hp.com
I'm not sue about the exact title, but it's similar to Software Initiator 
Support 
Guide

 For one iSCSI session it can be found in the /etc/iscsi/
 initiatorname.iscsi File:
 
 InitiatorName=iqn.1986-03.com.hp:Ethernet1
 
 Can it be done by adding these 5 entries
 
 InitiatorName=iqn.1986-03.com.hp:Ethernet2
 InitiatorName=iqn.1986-03.com.hp:Ethernet3
 InitiatorName=iqn.1986-03.com.hp:Ethernet4
 InitiatorName=iqn.1986-03.com.hp:Ethernet5
 InitiatorName=iqn.1986-03.com.hp:Ethernet6
 
 or which syntax has to be used?
 
 Rainer
[...]

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Re: How many S/W iSCSI Initiators on same machine?

2009-08-05 Thread Mike Christie

On 08/04/2009 04:05 PM, Donald Williams wrote:
 I don't know if there's a way to set unique initiator names for each NIC.  A

With the current open-iscsi version, you can set a initiator name per 
iface. So if you created a iface per nic then set a different initiator 
name for each iface, I think this gives you want is wanted.

The iface initiatorname field is:

iface.initiatorname


 quick scan of the config file didn't show anything.  I *believe* iscsid has
 the initiator name so it's a global parameter.
   Why do you want unique names for each initiator?   What do you think it
 will gain you?

   -don

 On Tue, Aug 4, 2009 at 4:16 AM, Rainer Bläs
 rainer.bl...@astrium.eads.netwrote:

 Thanks for your answer!
 Yes, by using #iscsiadm -m iface -I ethN, N=1...6 we can have 6
 iSCSI sessions.

 But now there is the question HOWTO assign an initiator name for EACH
 session?
 For one iSCSI session it can be found in the /etc/iscsi/
 initiatorname.iscsi File:

 InitiatorName=iqn.1986-03.com.hp:Ethernet1

 Can it be done by adding these 5 entries

 InitiatorName=iqn.1986-03.com.hp:Ethernet2
 InitiatorName=iqn.1986-03.com.hp:Ethernet3
 InitiatorName=iqn.1986-03.com.hp:Ethernet4
 InitiatorName=iqn.1986-03.com.hp:Ethernet5
 InitiatorName=iqn.1986-03.com.hp:Ethernet6

 or which syntax has to be used?

 Rainer






 On Aug 3, 10:36 pm, Donald Williamsdon.e.willi...@gmail.com  wrote:
 Hello,
 I'm not sure what your question really is.  Yes, you can have 6x GbE
 interfaces on different subnets and run iSCSI over them. What target are
 you
 using?   Typically, your iSCSI SAN is on one subnet.  It avoids the need
 to
 do IP routing.   Which adds latency and can reduce performance.

   -don

 On Fri, Jul 31, 2009 at 6:03 AM, Rainer Bläs
 rainer.bl...@astrium.eads.netwrote:



 Dear all,
 we are running a SLES 10SP2 system with 6 physical Ethernet ports.
 For instance is it possible to have 6 iSCSI initiators onthis system
 when each IP of these six ports are belonging to 6 different (Sub)
 Lans?
 THX, Rainer
 --

 Marie von Ebner-Eschenbach
 http://www.brainyquote.com/quotes/authors/m/marie_von_ebnereschenbac
 - Even a stopped clock is right twice a day.




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Re: How many S/W iSCSI Initiators on same machine?

2009-08-04 Thread Rainer Bläs

Thanks for your answer!
Yes, by using #iscsiadm -m iface -I ethN, N=1...6 we can have 6
iSCSI sessions.

But now there is the question HOWTO assign an initiator name for EACH
session?
For one iSCSI session it can be found in the /etc/iscsi/
initiatorname.iscsi File:

InitiatorName=iqn.1986-03.com.hp:Ethernet1

Can it be done by adding these 5 entries

InitiatorName=iqn.1986-03.com.hp:Ethernet2
InitiatorName=iqn.1986-03.com.hp:Ethernet3
InitiatorName=iqn.1986-03.com.hp:Ethernet4
InitiatorName=iqn.1986-03.com.hp:Ethernet5
InitiatorName=iqn.1986-03.com.hp:Ethernet6

or which syntax has to be used?

Rainer






On Aug 3, 10:36 pm, Donald Williams don.e.willi...@gmail.com wrote:
 Hello,
 I'm not sure what your question really is.  Yes, you can have 6x GbE
 interfaces on different subnets and run iSCSI over them. What target are you
 using?   Typically, your iSCSI SAN is on one subnet.  It avoids the need to
 do IP routing.   Which adds latency and can reduce performance.

  -don

 On Fri, Jul 31, 2009 at 6:03 AM, Rainer Bläs
 rainer.bl...@astrium.eads.netwrote:



  Dear all,

  we are running a SLES 10SP2 system with 6 physical Ethernet ports.
  For instance is it possible to have 6 iSCSI initiators onthis system
  when each IP of these six ports are belonging to 6 different (Sub)
  Lans?

  THX, Rainer

 --

 Marie von 
 Ebner-Eschenbachhttp://www.brainyquote.com/quotes/authors/m/marie_von_ebnereschenbac
 - Even a stopped clock is right twice a day.

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Re: How many S/W iSCSI Initiators on same machine?

2009-08-04 Thread Donald Williams
I don't know if there's a way to set unique initiator names for each NIC.  A
quick scan of the config file didn't show anything.  I *believe* iscsid has
the initiator name so it's a global parameter.
 Why do you want unique names for each initiator?   What do you think it
will gain you?

 -don

On Tue, Aug 4, 2009 at 4:16 AM, Rainer Bläs
rainer.bl...@astrium.eads.netwrote:


 Thanks for your answer!
 Yes, by using #iscsiadm -m iface -I ethN, N=1...6 we can have 6
 iSCSI sessions.

 But now there is the question HOWTO assign an initiator name for EACH
 session?
 For one iSCSI session it can be found in the /etc/iscsi/
 initiatorname.iscsi File:

 InitiatorName=iqn.1986-03.com.hp:Ethernet1

 Can it be done by adding these 5 entries

 InitiatorName=iqn.1986-03.com.hp:Ethernet2
 InitiatorName=iqn.1986-03.com.hp:Ethernet3
 InitiatorName=iqn.1986-03.com.hp:Ethernet4
 InitiatorName=iqn.1986-03.com.hp:Ethernet5
 InitiatorName=iqn.1986-03.com.hp:Ethernet6

 or which syntax has to be used?

 Rainer






 On Aug 3, 10:36 pm, Donald Williams don.e.willi...@gmail.com wrote:
  Hello,
  I'm not sure what your question really is.  Yes, you can have 6x GbE
  interfaces on different subnets and run iSCSI over them. What target are
 you
  using?   Typically, your iSCSI SAN is on one subnet.  It avoids the need
 to
  do IP routing.   Which adds latency and can reduce performance.
 
   -don
 
  On Fri, Jul 31, 2009 at 6:03 AM, Rainer Bläs
  rainer.bl...@astrium.eads.netwrote:
 
 
 
   Dear all,
 
   we are running a SLES 10SP2 system with 6 physical Ethernet ports.
   For instance is it possible to have 6 iSCSI initiators onthis system
   when each IP of these six ports are belonging to 6 different (Sub)
   Lans?
 
   THX, Rainer
 
  --
 
  Marie von Ebner-Eschenbach
 http://www.brainyquote.com/quotes/authors/m/marie_von_ebnereschenbac
  - Even a stopped clock is right twice a day.

 



-- 

Pablo Picassohttp://www.brainyquote.com/quotes/authors/p/pablo_picasso.html
- Computers are useless. They can only give you answers.

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Re: How many S/W iSCSI Initiators on same machine?

2009-08-03 Thread Donald Williams
Hello,
I'm not sure what your question really is.  Yes, you can have 6x GbE
interfaces on different subnets and run iSCSI over them. What target are you
using?   Typically, your iSCSI SAN is on one subnet.  It avoids the need to
do IP routing.   Which adds latency and can reduce performance.

 -don

On Fri, Jul 31, 2009 at 6:03 AM, Rainer Bläs
rainer.bl...@astrium.eads.netwrote:


 Dear all,

 we are running a SLES 10SP2 system with 6 physical Ethernet ports.
 For instance is it possible to have 6 iSCSI initiators onthis system
 when each IP of these six ports are belonging to 6 different (Sub)
 Lans?

 THX, Rainer

 



-- 

Marie von 
Ebner-Eschenbachhttp://www.brainyquote.com/quotes/authors/m/marie_von_ebnereschenbac.html
- Even a stopped clock is right twice a day.

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