On 06/13/13 12:19, chandrashekar shastri wrote: > Hi, > > I have filed a bug "fdisk still shows the "/dev/sdb" partitions even > after the removal of scsi disk" for the upstream kernel. > > Bug link: > https://bugs.launchpad.net/qemu/+bug/1190525 > > RHEL guest shows the partittions even after the removal of scsi disk: > fdisk still shows the "/dev/sdb" partitions even after the removal of > scsi disk. > > Guest details: > ------------------- > Kernel : 2.6.32-358 > > Host Details : > > Upstream Kernel, Qemu, Libvirt and virt-manager > --------------------------------------------------------------------- > > kernel version : 3.9.0+ > qemu version : QEMU emulator version 1.5.0 > libvirt version : 1.0.5 > virt-install : 0.600.3 > > Steps to reproduce the issue: > > I. Add the SCSI disk through the virt-manager. > 2. Create the partition using fdisk (eg: /dev/sbb) > 3. Create a filesystem and format using mkfs.ext3 or mkfs.ext4 > 4. Remove the scsi disk through the virt-manager. > 5. Again run the fdisk /dev/sdb, the guests still shows the partition > even after the removal of the disk. > > This issue is not seen with virt-io disk. > > This issue is also reproducible without even creating the partitions. > > Expected Result: > > The output of fdisk /dev/sd* should not show the enties after the > removal of scsi disks What happens if you run "scsi-rescan --remove" or "scsi-rescan --forcerescan" in the guest? (Paolo had recommended this to me for an independent problem / case.)

Laszlo