Xen users - Jan 2006 - AW: AW: Fibre Channel Problem MORE INFO!!!!!!

In /sys/class/scsi_host/ I just have host1 and host2.
What does this mean?!?!
Is this equal to 
[root@ingcsmdb02 ~]# hp_rescan -l
 /proc/scsi/qla2xxx/0
 /proc/scsi/qla2xxx/1

What do you mean with "make sure that you are running the -xen version of
the kernel, not the -dom0!??!"
I''m doing my mkinitrd command with th 2.6.12.6-xen0 Kernel.
Ant an uname -a is listing that thois kernel is running:
Linux ingcsmdb01.eu.boehringer.com 2.6.12.6-xen0 #14 Tue Jan 10 14:40:40 CET
2006 i686 i686 i386 GNU/Linux

Thomas Diederich

**************************************************
*  Boehringer Ingelheim Pharma GmbH & Co.KG
*  A Informationsverarbeitung / Diplomant Systemtechnik
*
*  Mail: diederit@ing.boehringer-Ingelheim.com
*  Phone: +49 (0)6132/77-98151	


-----Ursprüngliche Nachricht-----
Von: xen-users-bounces@lists.xensource.com
[mailto:xen-users-bounces@lists.xensource.com] 
Gesendet: Dienstag, 10. Januar 2006 15:13
An: fraser@georgetown.wehave.net; xen-users@lists.xensource.com
Betreff: AW: AW: [Xen-users] Fibre Channel Problem


Linux ingcsmdb01.eu.boehringer.com 2.6.12.6-xen0 #14 Tue Jan 10 14:40:40 CET
2006 i686 i686 i386 GNU/Linux

Thomas Diederich

**************************************************
*  Boehringer Ingelheim Pharma GmbH & Co.KG
*  A Informationsverarbeitung / Diplomant Systemtechnik
*
*  Mail: diederit@ing.boehringer-Ingelheim.com
*  Phone: +49 (0)6132/77-98151	


-----Ursprüngliche Nachricht-----
Von: xen-users-bounces@lists.xensource.com
[mailto:xen-users-bounces@lists.xensource.com] 
Gesendet: Dienstag, 10. Januar 2006 14:53
An: xen-users@lists.xensource.com
Betreff: Re: AW: [Xen-users] Fibre Channel Problem


DIEDERIT@ing.boehringer-ingelheim.com wrote:
> When I start the redhat system, not the xen kernel , the output looks 
> like this:
> 
> [root@ingcsmdb02 ~]# hp_rescan -l
> /proc/scsi/qla2xxx/0
> /proc/scsi/qla2xxx/1
> [root@ingcsmdb02 ~]#
On the 2.6.12.6 kernel (which you are probably running for Xen) those 
files will not be there.  You will find some information under in sysfs 
(/sys), see my other email.

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DIEDERIT@ing.boehringer-ingelheim.com wrote:
> In /sys/class/scsi_host/ I just have host1 and host2.
> What does this mean?!?!
It means you have 2 scsi hosts.
> Is this equal to 
> [root@ingcsmdb02 ~]# hp_rescan -l
>  /proc/scsi/qla2xxx/0
>  /proc/scsi/qla2xxx/1
Yes, I believe it is.  Your RHEL kernel is an older release than your 
Xen kernel.  Older kernels showed information for QLA cards in the 
/proc/scsi/qla2xxx/ directory (cat the files in there for details). 
Newer kernels do not appear to present QLogic information via 
/proc/scsi/qla2xxx ... instead "cat /sys/class/scsi_host/*/isp_name",
if
you see ISP2312 then those are your QLogic cards and they are there and 
working.  You can also do what John Little suggested to see if your QLA 
cards are functional (see his email).

There is a good chance that the hp/qlogic utilities you are using will 
not work with the newer kernel ... they probably expect 
/proc/scsi/qla2xxx/* to be present and as far as I can tell it is not.
> What do you mean with "make sure that you are running the -xen version
of
> the kernel, not the -dom0!??!"
My Xen build process created 3 kernels:

   /boot/vmlinuz-2.6.12.6-xen
   /boot/vmlinuz-2.6.12.6-xen0
   /boot/vmlinuz-2.6.12.6-xenU

I use vmlinuz-2.6.12.6-xen not vmlinuz-2.6.12.6-xen0 to boot dom0, -xen 
seems to include many more drivers.  It doesn''t sound like this is your
issue though, it sounds more like your QLogic drivers are actually built 
in already (compiled in, not modular).

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