Bringing this up again, now that I have upgraded to 2.12.1 on the MN.

We've hit this off and on ever since, but with 2.12 it seems to occur
whenever there's a removal from kvm_nodedata cache of a node def and try to
rpower on:

# rpower w30234 on
w30234: Error: internal error Only 1 ide controller is supported

We would get this error if we had more than one hard disk, virtio or scsi,
defined on a client node profile.  There was a hint in RH bug
https://bugzilla.redhat.com/show_bug.cgi?id=1136182
Using that idediscussion as a basis, I removed the creation of virtual
cdrom from /opt/xcat/lib/perl/xCAT_plugin/kvm.pm :
    #} else { #give the VM an empty optical drive, to allow chvm live
attach/remove
    #    my $cdhash;
    #    $cdhash->{device} = 'cdrom';
    #    $cdhash->{type}   = 'file';
    #    $cdhash->{readonly};
    #    $cdhash->{target}->{dev} = $cdprefix . $suffixes[$suffidx];
    #    push @returns, $cdhash;

And restarted xCAT.  We no longer get the ide error, but is defintiely a
hack we can't maintain easily.   We don't normally need the cdrom so not
having it is not harmful to us, but kvm.pm will be clobbered on next
upgrade.

MN x86_64 SLES11 xCAT 2.12.1
Hypervisor x86_64 SLES11

_________________________________
Douglas Myers,
IBM Special Events - Smart Cloud BMS Lead
_________________________________
"It's not an opportunity if it doesn't scare you a little bit"





From:   Douglas Myers/Schaumburg/IBM
To:     "xCAT Users Mailing list" <xcat-user@lists.sourceforge.net>
Date:   08/19/2015 08:32 AM
Subject:        Fw: [xcat-user] KVM storage question


Anything further on this?

_________________________________
Douglas Myers,
IBM Special Events - Smart Cloud BMS Lead
_________________________________
"It's not an opportunity if it doesn't scare you a little bit"


----- Forwarded by Douglas Myers/Schaumburg/IBM on 08/19/2015 08:31 AM
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  |Douglas Myers/Schaumburg/IBM                                                 
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  |08/12/2015 03:23 PM                                                          
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  |Re: [xcat-user] KVM storage question                                         
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Ah, that's was my confusion then, because kvm_nodedata has nothing for
z10071 node, unless I only specify one disk, e.g. I get the rootvg image in
vmstorage, system will power on with rpower, but when I add in second disk,
I clear the cahced profile in kvm_nodedata ( chtab -d node=z10071
kvm_nodedata before power on) or it won't assign the second image as second
disk, but if I clear the cache I get the IDE error and nothing gets added
to the table.  So I have nothing to compare a manual creation on the
hypervisor to...

_________________________________
Douglas Myers,
IBM Special Events - Smart Cloud BMS Lead
_________________________________
"It's not an opportunity if it doesn't scare you a little bit"





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  |Xiao Peng Wang <w...@cn.ibm.com>                                             
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  |08/11/2015 11:10 PM                                                          
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  |Re: [xcat-user] KVM storage question                                         
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I did get your point. But I have not your exactly images to create the
problem and fix it. Since you already verified the configure in libvirt
manually, if you can share me what the xml looks like and the different
between it with the one created by xCAT, it will be helpful for me to fix
it.

Thanks
Best Regards
----------------------------------------------------------------------
Wang Xiaopeng (王晓朋)
IBM China System Technology Laboratory
Tel: 86-10-82453455
Email: w...@cn.ibm.com
Address: 28,ZhongGuanCun Software Park,No.8 Dong Bei Wang West Road,
Haidian District Beijing P.R.China 100193

Inactive hide details for Douglas Myers ---2015/08/12 01:20:09---I'm
wondering if we have a communications problem on this threDouglas Myers
---2015/08/12 01:20:09---I'm wondering if we have a communications problem
on this thread... I know how to make the image fil

From: Douglas Myers <dgmy...@us.ibm.com>
To: xCAT Users Mailing list <xcat-user@lists.sourceforge.net>
Date: 2015/08/12 01:20
Subject: Re: [xcat-user] KVM storage question



I'm wondering if we have a communications problem on this thread...

I know how to make the image files work within libvirtd and I can
create/modify using cli tools and/or gui within libvirtd.  The actual
actual of havign a second disk is not the problem.  What is my issue is
having xCAT create teh profile when we rpower on the VM from MN and have it
do it ephemerally instead of xCAT managing an existing profile on a
hypervisor.  In other words, w/o xCAT and it's dynamic VM profiles, this
works fine, it's only when I use xCAT that it ahs a problem, and I'm pretty
sure it comes down to the entry for vmstorage field, what I'm looking for
is if there is an accepted syntax for that field.

To restate, this is not a libvirtd issue, it's not KVM, it's getting xCAT's
dynamic xml creation to function with two image files that are not viritio.
If not possible, ok, then I'll go form there, but if it is possible, I jsut
need assistance with getting the syntax right on the xCAT definition of VM.

_________________________________
Douglas Myers,
IBM Special Events - Smart Cloud BMS Lead
_________________________________
"It's not an opportunity if it doesn't scare you a little bit"



Inactive hide details for Xiao Peng Wang ---08/10/2015 06:31:20 AM---If the
manually change through virsh can make it change, yXiao Peng Wang
---08/10/2015 06:31:20 AM---If the manually change through virsh can make
it change, you can dump out the xml file of the dom and diff it with the
xml whic
                                                                           
                                                                           
       From:        Xiao Peng Wang <w...@cn.ibm.com>                        
                                                                           
                                                                           
       To:          xCAT Users Mailing list                                
                    <xcat-user@lists.sourceforge.net>                      
                                                                           
                                                                           
       Date:        08/10/2015 06:31 AM                                    
                                                                           
                                                                           
       Subject:     Re: [xcat-user] KVM storage question                   
                                                                           




If the manually change through virsh can make it change, you can dump out
the xml file of the dom and diff it with the xml which generated by xcat
(use tabdump kvm_nodedata command)

Thanks
Best Regards
----------------------------------------------------------------------
Wang Xiaopeng (王晓朋)
IBM China System Technology Laboratory
Tel: 86-10-82453455
Email: w...@cn.ibm.com
Address: 28,ZhongGuanCun Software Park,No.8 Dong Bei Wang West Road,
Haidian District Beijing P.R.China 100193

Inactive hide details for Douglas Myers ---2015/08/09 01:37:12---libvirtd
is happy enough to run the second and/or third disk iDouglas Myers
---2015/08/09 01:37:12---libvirtd is happy enough to run the second and/or
third disk if I manually insert via virt-manager o

From: Douglas Myers <dgmy...@us.ibm.com>
To: xCAT Users Mailing list <xcat-user@lists.sourceforge.net>
Date: 2015/08/09 01:37
Subject: Re: [xcat-user] KVM storage question



libvirtd is happy enough to run the second and/or third disk if I manually
insert via virt-manager or cli and VM sees the disk fine, so this issue is
how to get xcat to start an ephmeral VM that doesn't have a a porfile saved
on a hypervisor?

I can do this with lvm  using vmstorage=phy:/path/tol/v1|phy:/path/to/lv2
on a node yealds to compalints from xcat, all I'm looking for is the
equivalent for a file based disk image

_________________________________
Douglas Myers,
IBM Special Events - Smart Cloud BMS Lead
_________________________________
"It's not an opportunity if it doesn't scare you a little bit"



Inactive hide details for Xiao Peng Wang ---08/06/2015 03:41:19 AM---I
think you first need to figure out what libvirt can do fXiao Peng Wang
---08/06/2015 03:41:19 AM---I think you first need to figure out what
libvirt can do for you since xcat totally following it's functionalities.
                                                                           
                                                                           
       From:        Xiao Peng Wang <w...@cn.ibm.com>                        
                                                                           
                                                                           
       To:          xCAT Users Mailing list                                
                    <xcat-user@lists.sourceforge.net>                      
                                                                           
                                                                           
       Date:        08/06/2015 03:41 AM                                    
                                                                           
                                                                           
       Subject:     Re: [xcat-user] KVM storage question                   
                                                                           




I think you first need to figure out what libvirt can do for you since xcat
totally following it's functionalities.

Thanks
Best Regards
----------------------------------------------------------------------
Wang Xiaopeng (王晓朋)
IBM China System Technology Laboratory
Tel: 86-10-82453455
Email: w...@cn.ibm.com
Address: 28,ZhongGuanCun Software Park,No.8 Dong Bei Wang West Road,
Haidian District Beijing P.R.China 100193

Inactive hide details for Douglas Myers ---2015/08/06 12:45:05---SLES 11 MN
and VM  xCAT-2.9.1  x86_64 KVM I am in the process Douglas Myers
---2015/08/06 12:45:05---SLES 11 MN and VM  xCAT-2.9.1  x86_64 KVM I am in
the process of converting from a LVM backed storag

From: Douglas Myers <dgmy...@us.ibm.com>
To: "xCAT Users Mailing list" <xcat-user@lists.sourceforge.net>
Date: 2015/08/06 12:45
Subject: [xcat-user] KVM storage question



SLES 11 MN and VM  xCAT-2.9.1  x86_64 KVM


I am in the process of converting from a LVM backed storage solution for
VMs to a raw file for disk housed in a GPFS cell.  The design has the
hypervisors seeing gpfs as local storage, and when I add a single raw image
file and start the VM with it, everythign works fine.  The problem is,
several of these VMs have two or three logical volumes presented as disks,
sd[abc].  When I attempt to convert the second lv to a file, the conversion
works fine, but I'm missing the proper syntax to add it to the vmstorage
object:

vmstorage=/gpfs/root/z10071_rootvg.img|r/gpfs/app/z10071_appvg.img

When attempting to power up, I receive this message:

z10000:~ # rpower z10071 on
z10071: Error: internal error Only 1 ide controller is supported

If I try to set the vmstoragemodel to scsi, xCAT will boot the VM but the
VM cannot find it's root disk.  If I revert to a single disk and remove
vmstoragemodel I can successfully power on and boot into OS.  So how to I
add more than one image file as a disk?

(Yes, I know, should be using virtio disks, these are legacy machines,
newer VMs will hopefully be using it)

_________________________________
Douglas Myers,
IBM Special Events - Smart Cloud BMS Lead
_________________________________
"It's not an opportunity if it doesn't scare you a little bit"
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