Hi all, I have permission-related errors when creating instances.
In Kilo, since my local disk is small, newly attaching a new disk, /data1 as following. root@cn2:/var/lib/nova# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda5 23G 1.7G 20G 8% / ... /dev/mapper/vg_data-lv_data1 356G 703M 338G 1% /data1 and add a setting 'instances_path=/data1/instances' in nova.conf at compute node. root@cn2:/data1# ls -la total 28 drwxr-xr-x 4 nova nova 4096 16:51 . drwxr-xr-x 25 root root 4096 10:07 .. drwxr-xr-x 2 nova nova 4096 16:50 instances drwx------ 2 nova nova 16384 13:51 lost+found root@cn2:/data1# pwd /data1 root@cn2:/data1# ls -la instances/ total 8 drwxr-xr-x 2 nova nova 4096 16:50 . drwxr-xr-x 4 nova nova 4096 16:51 .. root@cn2:/data1# but whenever creating an instance, nova-compute.log shows libvirt error as below: libvirtError: internal error: process exited while connecting to monitor: 2015-10-02T07:02:25.031125Z qemu-system-x86_64: -drive file=/data1/instances/03e58fd3-b555-4aa3-91fa-5e6fcc15978a/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none: could not open disk image /data1/instances/03e58fd3-b555-4aa3-91fa-5e6fcc15978a/disk: Could not open backing file: Could not open '/data1/instances/_base/d7607a887a4e5b41ec4b9ccdbf16d356ca6c9c0f': Permission denied instead of a setting 'instances_path=/data1/instances' in nova.conf at compute node, symbolic link 'ln -s /data1/instances /var/lib/nova/' also shows the same errors. no changes in /etc/libvirt/qemu.conf libvirt-bin.conf ... what's the matter in this situation? plz help me...
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