On 09/13/2015 11:54 AM, Sorrillo, Lawrence wrote: > I had to use the upstream qemu to get the filesystem passthrough to be enabled. > > I have another question: I would like to always include and automate a standard stanza in newly created libvirt XML domain definition of a VM. > For example, > > <filesystem type='mount' accessmode='passthrough'> > <source dir='/var/tmp/shareme1'/> > <target dir='hostshare1'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> > </filesystem> > > Is there a way, a qemu configuration or a libvirt config, to automate including this stanza in all newly created VMs? > No there isn't any option for that, you'd probably need to come up with your own solution to make it work. - Cole > > -----Original Message----- > From: Cole Robinson [mailto:crobinso@xxxxxxxxxx] > Sent: Thursday, September 03, 2015 1:36 PM > To: Sorrillo, Lawrence; 'virt-tools-list@xxxxxxxxxx' > Subject: Re: "Grey-out" Filesystem add hardware option in virt-manager in RHEL7.1 - kernel 3.10.0-229.11.1.el7.x86_64 > > On 09/02/2015 01:53 PM, Sorrillo, Lawrence wrote: >> Hello, >> >> >> >> I was wondering about virt-manager support for the file-sharing option between >> host and guest in RedHat, CentOS and Fedora. >> >> >> >> This appears to be grey out and a complaint about the inability of the >> installed combination of >> >> libvirt and qemu to support this option is displayed. The link below shows the >> virt-manager screen >> >> WITHOUT the grey-out filesystem option. >> >> >> >> http://www.linux-kvm.org/page/9p_virtio >> >> >> >> For redhat based linuxes though this appears to be always greyed out in stock >> builds(even without 9p >> >> and even when Qemu supports the file sharing option). Why is this? >> >> >> >> [root@xxx tmp]# qemu-kvm --version >> >> *QEMU emulator version 1.5.3 (qemu-kvm-1.5.3-86.el7_1.5), Copyright (c) >> 2003-2008 Fabrice Bellard* >> >> [root@xxx tmp]# qemu-kvm --help | grep fsdev >> >> *-fsdev >> fsdriver,id=id[,path=path,][security_model={mapped-xattr|mapped-file|passthrough|none}]* >> >> [root@xxx tmp]# tmp]# >> >> root@xxx tmp]# >> >> [root@xxx tmp]# rpm -qa | grep libvirt-1.2.8 >> >> *libvirt-1.2.8-16.el7_1.3.x86_64* >> >> [root@xxx tmp]# > > It's likely disabled/greyed-out on RHEL because on RHEL Red Hat explicitly > doesn't support filesystem passthrough for various maintenance and business > reasons. I think even if you attached the XML to your libvirt config, qemu > would fail to start because it's compiled out, but I haven't verified. > > - Cole > > _______________________________________________ virt-tools-list mailing list virt-tools-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/virt-tools-list
