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On Mon, Apr 22, 2013 at 10:59:25AM +0100, Gary Lloyd wrote: > I was wondering if anyone could help me with an issue with KVM and ISCSI. > > If we restart a controller on our EqualLogic SAN or there are any > network interruptions on the storage network, KVM guests throw a > wobbler and their files systems go into read only(centos 5.9 guest > with virtio driver). > > I

I've been trying to follow the information found here [1] in order to provide an alias for RBD disks I'm defining, however it does not appear to be working and I wanted to see if I was doing something wrong. I define the alias like so (using 'virsh edit'): <disk type='file' device='disk'> <driver name='qemu' type='qcow2'

Hi, I am working on oVirt, and I am trying to run a VM with a network disk with ISCSI protocol ( the storage is on a Cinder server). Here is the disk XML I use: <disk device="disk" snapshot="no" type="network"> <address bus="0" controller="0" target="0" type="drive" unit="0" />

Hi, I'm running into problems with blockcommit and gluster network disks - wanted to check how to pass path for network disks. How's the protocol and host parameters specified? For a backing volume chain as below, executing virsh blockcommit fioo5 vmstore/912d9062-3881-479b-a6e5-7b074a252cb6/images/27b0cbcb-4dfd-4eeb-8ab0-8fda54a6d8a4/027a3b37-77d4-4fa9-8173-b1fedba1176c --base

hi,all a qemu-kvm process and its disk(image file) have the same MCS(s0:c111,c555). it express this process have access to this image. i do not know the power to access its image file is the max or min? if any other power this process(domain) has?how much? i want to know the exact power a qemu-kvm process has besides access its image file ,other kinds of files,dirs etc. my test case:

Hello everyone, Current host build is RHEL 6.2, soon to be upgrading. I'm in the process of mapping out a KVM/RHEV topology. I have questions about the landscape of storage pools and the instantiation of specific scsi_host IDs using virsh nodedev-create and some magic XML definitions. I'm grouping these questions together because the answer to one may impact the other. High-level

On Wed, Aug 02, 2017 at 05:47:31PM +0300, Fred Rolland wrote: >Hi, > >I am working on oVirt, and I am trying to run a VM with a network disk with >ISCSI protocol ( the storage is on a Cinder server). > >Here is the disk XML I use: > > <disk device="disk" snapshot="no" type="network"> > <address bus="0"

Hello, what happens when an instance writes data with 0% available physical disk space, on QCOW2 images for instance, apart from destruction and unpredictability? I'm aware that monitoring is mandatory in production environments, but are there other known industry tricks to deal with this? Soft/hard limit settings, autopause/stop, or does KVM react in doing force shut down the VM in

Hello, I find "discard":"unmap" is defaultly enabled in qemu cmdline(libvirt v6.6, qemu v5.1): XML: <disk type="file" device="disk"> <driver name="qemu" type="qcow2"/> <source file="/var/lib/libvirt/images/new.qcow2" index="2"/> <backingStore/> <target