-
Bug
-
Resolution: Done
-
Undefined
-
rhel-9.4
-
None
-
None
-
TestOnly
-
rhel-sst-virtualization-storage
-
ssg_virtualization
-
5
-
False
-
-
None
-
None
-
None
-
RegressionOnly
-
None
What were you trying to do that didn't work?
I tried to change the block size of usb disk, but it doesn't take effect.
Actually I'm not sure whether this is supported. If it is not supported, I think it's better to forbid such configuration.
Please provide the package NVR for which bug is seen:
libvirt-10.0.0-1.el9.x86_64
kernel-5.14.0-408.el9.x86_64
qemu-kvm-8.2.0-2.el9.x86_64
How reproducible:
100%
Steps to reproduce
- Define a guest with usb disk and configure the block size:
# cat vm.xml ... <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/var/lib/libvirt/images/usb.img' index='1'/> <backingStore/> <blockio logical_block_size='1024' physical_block_size='1024' discard_granularity='1024'/> <target dev='hda' bus='usb'/> <alias name='usb-disk0'/> <address type='usb' bus='0' port='1'/> </disk> <controller type='usb' index='0' model='qemu-xhci'> <alias name='usb'/> <address type='pci' domain='0x0000' bus='0x07' slot='0x00' function='0x0'/> </controller> ... # virsh define vm.xml
- Start vm: virsh start avocado-vt-vm1
- Login vm, check usb disk
[root@localhost ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS sda 8:0 0 300M 0 disk vda 252:0 0 10G 0 disk ├─vda1 252:1 0 600M 0 part /boot/efi ├─vda2 252:2 0 1G 0 part /boot └─vda3 252:3 0 8.4G 0 part ├─rhel-root 253:0 0 7.4G 0 lvm / └─rhel-swap 253:1 0 1G 0 lvm [SWAP] [root@localhost ~]# blockdev --getss /dev/sda 512 [root@localhost ~]# blockdev --getpbsz /dev/sda 512
Expected results
The block size of usb disk is same as what's configured in vm xml
Actual results
The block size of usb disk is not same as what's configured in vm xml
Additional info
qemu command line:
-blockdev {"driver":"file","filename":"/var/lib/libvirt/images/usb.img","node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"} -blockdev {"node-name":"libvirt-1-format","read-only":false,"driver":"raw","file":"libvirt-1-storage"} -device {"driver":"usb-storage","bus":"usb.0","port":"1","drive":"libvirt-1-format","id":"usb-disk0","logical_block_size":1024,"physical_block_size":1024,"discard_granularity":1024,"removable":false}
- is blocked by
-
RHEL-28073 Rebase qemu-kvm to QEMU 9.0.0 for RHEL 9.5
-
- Closed
-
