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тАО08-16-2009 03:41 AM
тАО08-16-2009 03:41 AM
This is a rephrased question. With RHEL 5 U2 should I install the HP drivers for the HBAs or should I try to live with the drivers that come with the distro?
These servers would be using device-mapper multipathing instead of the 3rd party multipathing software. What approach do you folks recommend?.
We are into HP blades and some bricks.
Ps: When I get the lspci output. How can I know which hHP driver would suite the HBA being used.
Thanks in advance.
Solved! Go to Solution.
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тАО08-16-2009 09:19 AM
тАО08-16-2009 09:19 AM
SolutionWith RHEL 5, update 2, I had to install the HBA drivers that shipped with PSP 8.25 in order to get normal multipathing functionality.
Before installation, my systems could not see the SAN, in spite of using qlogic HBA cards that worked out of the box with RHEL 4.x
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тАО08-16-2009 07:50 PM
тАО08-16-2009 07:50 PM
Re: RHEL 5 U 2 and above
What RPMs do you folks recommend to have with respect to SAN.
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тАО08-17-2009 04:53 AM
тАО08-17-2009 04:53 AM
Re: RHEL 5 U 2 and above
You can look at this, it gives you the hp_rescan utility which comes in handy.
Linux Inbox Driver kits
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&swItem=co-69719-1&jumpid=reg_R1002_USEN
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тАО08-17-2009 11:57 AM
тАО08-17-2009 11:57 AM
Re: RHEL 5 U 2 and above
After installing that RHEL 5 U2 storage detection and reporting goes back to /proc/scsi, which i read was outdated as of the RHEL 5 release.
When i install the inbox driver which U have given does it also refer to the /proc/scsi FSs or does stay with the /sys/class
What is the best aproach when using device-mapper ?.
Please folks..
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тАО08-17-2009 01:37 PM
тАО08-17-2009 01:37 PM
Re: RHEL 5 U 2 and above
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тАО08-17-2009 01:38 PM
тАО08-17-2009 01:38 PM
Re: RHEL 5 U 2 and above
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тАО08-17-2009 01:52 PM
тАО08-17-2009 01:52 PM
Re: RHEL 5 U 2 and above
Folks, any special configuration needed for the HDS USP V and USP 1100 arrays. We might use command devices for replication as well.
Thanks for all the sup/
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тАО08-18-2009 09:37 PM
тАО08-18-2009 09:37 PM
Re: RHEL 5 U 2 and above
I'm still in search to know how to map the lspci output to the card actually installed.,
cheers
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тАО08-19-2009 04:31 AM
тАО08-19-2009 04:31 AM
Re: RHEL 5 U 2 and above
06:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)
06:00.1 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)
The output of hp_rescan -l displays this
QLogic adapters:
/sys/class/scsi_host/2
/sys/class/scsi_host/3
Emulex adapters:
--------------
One can then figure that
06:00.0 = /sys/class/scsi_host/2
06:00.1 = /sys/class/scsi_host/3