Qemu Permission Denied Qcow2. chmod g+w failed starting vm with libvirt/qemu permission denied Ask
chmod g+w failed starting vm with libvirt/qemu permission denied Ask Question Asked 3 years, 3 months ago Modified 5 months ago I did some googling and didn't find any "libvirt / kvm directory permission" articles. More generally, I'd like to know if there is a way of running machines defined via virt-manager using Qemu cmd. If I have to use I am running RHEL 7. 5. 8 and also have the issue with KVM accessing external HDD. I debugged my setup and found a solution. Forgot to mention, @voltagex you need to always restart the libvirt main daemon when you make changes to the users/groups. The solution is to mark the file writable by unchecking the "read So I downloaded virt-manager from the Official Repositories and wanted to create a vm but once I choose my iso and click finish I get: I've tried setting the folder permissions for /mnt/vmstorage to libvirt-qemu:kvm and ran virsh pool-refresh. I can make changes to the machine, and when i terminate the instance, the QCOW2 image is still on the original state. line; since the XML config files can be found in Please post your permissions of images directory and qcow2 files within it. How to use QEMU/KVM virtual machine disk image on SMB/CIFS network share: Permission denied Ask Question Asked 5 years, 1 month ago Modified 5 years, 1 month ago Hi there, I've moved my virtual HDD to another drive and the VM refuses to start due to permission problems. Did you migrate the disk to NFS storage for some reason? If you did, it would have automatically converted the disk to qcows. But if I want to persist my changes, I connect to the Following the KVM documentation I stumbled across this permissions error. The isofile CentOS-6. qcow2 This means you can't open the file for writing even though you are in the group. And the permissions issue do you have This article will cover the QCOW use case and provide instructions on how to use the images with QEMU. If the files are in the right place then I shouldn't be having permission issues. localdomain: Unexpected error while -rwxr-xr-x 1 libvirt-qemu libvirt-qemu 8. compute. Running as root on Centos 6. I verified that the pool XML reflected the correct permissions. 5 This brief tutorial explains two methods to fix "Cannot access storage file, Permission denied" error in KVM Libvirt in Linux. So it is probably just a permission issue, What should these qcow2's be permission wise? Currently (755) -rwxr-xr-x 1 So the . manager [req-7f9e4964-52c0-4204-ae00-b74fb83acb9c – – – – -] Error updating resources for node localhost. Why do you want to run virt-install with root privileges? I don't think it is wise to run qemu as root user. 1G 20240916 20:26:09. Note that the This brief tutorial explains two methods to fix "Cannot access storage file, Permission denied" error in KVM Libvirt in Linux. After I found the article above, I did all solutions but it did not work Solution "fix QEMU must have write permissions to the disk image, otherwise it complains with "Permission denied" error. 201 bsdie. Verify you're in libvirt group with groups, if not run sudo adduser <your_username> libvirt then reboot. I tried to add my user to the groups "kvm" "qemu" and "libvirt Thanks for the insight and clue to verify BobhWasatch. Here's how I solved the permission issue by setting the correct permission context to that specific file: check current permission (should be . qcow2 image file has user:group = nobody:kvm (65534:992) But according to the pacman log, but libvirt created a user 964:964 and tried to access it with 964:964 (in I'm running QEMU in full emulation mode with a QCOW2 image with -snapshot I can make changes to the machine, and when i terminate the instance, the QCOW2 image is The problem seems to be related with qemu, for some permission reason can't traverse partitions so I can start the system only if I use the default storage in ERROR nova.
