Re: [libvirt-users] libvirt equivalent for VMWare for SCSI mode = independent-persistent?
On 05/19/2016 05:18 AM, Juha Anttila wrote:
Hi,
I'm attempting to add virtual SCSI disks to my KVM guests the same way as I did
with VMWare, but I'm having issues.
Without knowing any better, I'm assuming it has something to do with me
attaching the disk incorrectly, and when I'm looking at the VMWare config one
thing I noticed was the SCSI mode "independent-persistent" which I cannot find
in libvirt documentation by quick look. Would anyone know how to achieve this?
In the VMWare VMX file I have:
scsi1:4.present = "TRUE"
scsi1:4.fileName = "SCSI1.vmdk"
scsi1:4.mode = "independent-persistent"
scsi1:4.deviceType = "scsi-hardDisk"
and I attempted the below configuration, but when I tried to use the disk as a
IO Fencing disk for veritas cluster file system, it failed saying that the
device is not SCSI-3 compliant. With VMWare same works fine.
"Feature-wise" - this seems familiar to the usage I've seen for the
"sgio='unfiltered'" setting for a 'lun'. That is the ability to
allow
certain SCSI command through to the disk and in particular I recall it
being used for some sort of fencing operation, but the details escape my
memory right now. In order to use 'sgio' though you have to either have
device='lun' for disk type='block'/'network' or 'volume'
(when using a
storage pool).
John
SCSI Controller:
<controller type='scsi' index='0' model='virtio-scsi'>
<alias name='scsi0'/>
<address type='pci' domain='0x0000' bus='0x00'
slot='0x0e' function='0x0'/>
</controller>
Disk:
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/home/VM/VMImages/IOFencing1.img'/>
<target dev='sda' bus='scsi'/>
<shareable/>
<alias name='scsi0-0-0-0'/>
<address type='drive' controller='0' bus='0'
target='0' unit='0'/>
</disk>
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