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Support for 3ware 9690SA [message #29692]

Mon, 21 April 2008 16:14

uhhosting
Messages: 5
Registered: March 2008

Junior Member

Hi,

I want to run a box with the 3ware 9690SA SAS RAID controller. However, the kernel Virtuozzo uses doesn't officially support this device.

3ware themselves do make available a driver for the kernel, which can be compiled in manually. For this I'll need the kernel source Virtuozzo uses.

The latest kernel Virtuozzo uses for CentOS 5.1 is: 2.6.18-028stab053.10

Am I right in thinking this is the same one provided by OpenVZ: http://wiki.openvz.org/Download/kernel/rhel5/028stab053.10 ?

Could I download the source, compile in the 3ware driver for the controller without all hell breaking loose and Virtuozzo dying?

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Re: Support for 3ware 9690SA [message #29693 is a reply to message #29692]

Mon, 21 April 2008 16:43

khorenko
Messages: 533
Registered: January 2006
Location: Moscow, Russia

Senior Member

Hi,

well, your idea looks correct - OpenVZ and Virtuozzo kernels are almost the same and your trick might bring you to a working system, but...
why don't you try to ask Virtuozzo support? You have a problem, great. Just try to ask - may be they already have a solution?

--
Konstantin

If your problem is solved - please, report it!
It's even more important than reporting the problem itself...

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Re: Support for 3ware 9690SA [message #29697 is a reply to message #29693]

Mon, 21 April 2008 18:31

uhhosting
Messages: 5
Registered: March 2008

Junior Member

I have asked Parallels, but they are awfully slow, even their sales staff work at a glacial pace and we need to order the correct parts for this new server this week.

Hell, I'll be surprised if Parallels even bother sending us the correct license this time without having to rant and scream.

OpenVZ is supported by Parallels, it makes sense to me to get a broad scatter of views.

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Re: Support for 3ware 9690SA [message #29798 is a reply to message #29692]

Thu, 24 April 2008 22:30

uhhosting
Messages: 5
Registered: March 2008

Junior Member

To add an update on this - I've been able to install the driver with the kernel CentOS 5.1 uses, 2.6.18-53.1.14.el5.

But when I try the same method with the kernel Virtuozzo installs (2.6.18-028stab053.4) I receive the following error at boot:

3w_9xxx: disagrees about version of symbol struct_module
insmod: error inserting '/lib/3w-9xxx.ko': -1 Invalid module format

Then after a few more seconds and loading of other modules, it kernel panics, presumably because it cannot mount the file system.

The error, I believe, is because the kernel module was originally designed for an EL5 kernel and has been compiled on this basis. The Virtuozzo kernel differs slightly to the EL5 kernel and so is producing this error.

I have the src of the 3ware driver, but I'm stuck on what to do next. I've submitted a support ticket to 3ware / AMCC (makers of the card) who may be able to assist.

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Re: Support for 3ware 9690SA [message #29800 is a reply to message #29692]

Fri, 25 April 2008 00:29

uhhosting
Messages: 5
Registered: March 2008

Junior Member

Bingo.

With assistance from 3ware:

# rpm -ivh ovzkernel-2.6.18-53.1.4.el5.028stab053.4.x86_64.rpm
# rpm -ivh ovzkernel-devel-2.6.18-53.1.4.el5.028stab053.4.x86_64.rpm

(downloadable here: http://wiki.openvz.org/Download/kernel/rhel5/028stab053.4)

# cd /usr/src ; ln -s /usr/src/kernels/2.6.18-53.1.4.el5.028stab053.4.x86_64 linux

Install GCC:

# yum install gcc

Download 3ware source (available on the full ISO, use packages/drivers/linux/src/2.6/kernels/new_distributions/3w- 9xxx.tgz

# tar zxvf 3w* ; cd driver
# make -f Makefile

Update the ramdisk

# cp 3w-9xxx.ko /lib/module/2.6.18-028stab053.4/kernel/drivers/scsi

# mkinitrd -v -f /boot/initrd-2.6.18-028stab053.4.img 2.6.18-028stab053.4

Modify grub.conf and remove the OpenVZ kernel, as a Virtuozzo user I don't want this kernel booting, I want the Virtuozzo kernel:

# nano -w /boot/grub/grub.conf

Reboot.

[Updated on: Fri, 25 April 2008 00:30]

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Re: Support for 3ware 9690SA [message #29816 is a reply to message #29692]

Fri, 25 April 2008 10:00

uhhosting
Messages: 5
Registered: March 2008

Junior Member

I made a slight mistake with the ramdisk step:

# cp 3w-9xxx.ko /lib/modules/2.6.18-028stab053.4/kernel/drivers/scsi

Should be "modules" and not what I said above, "module".

Also, you'll need to repeat the process when updating Virtuozzo to 2.6.18-028stab053.10. When compiled against 2.6.18-028stab053.4 the 3ware driver doesn't work with 2.6.18-028stab053.10 unless recompiled.

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