Re: [Libguestfs] About Guest running Tiny Core Linux

On Mon, Mar 24, 2014 at 08:22:46AM -0400, Arup Raton Roy wrote: > Hi Richard, > > Thanks a lot for your prompt response. I am enumerating the steps that I > followed during the provisioning, if it helps. Thanks ... > 1. These are the commands that I used to create the disk image. > > qemu-img create -f qcow2 base_VM.qcow2 512M > kvm -m 512 -cdrom Core-current.iso -hda base_VM.qcow2 -boot d -net > nic,macaddr=00:00:00:00:cc:10 -net > tap,script=/etc/ovs-ifup0,downscript=/etc/ovs-ifdown0 > > 2. a) The output of qemu-img > qemu-img info base_VM.qcow2 > image: images/base_VM.qcow2 > file format: qcow2 > virtual size: 512M (536870912 bytes) > disk size: 46M > cluster_size: 65536 > 2. b) virt-filesystems --all --long -h -a base_VM.qcow2 > Name Type VFS Label MBR Size Parent > /dev/sda1 filesystem ext4 - - 512M - > /dev/sda1 partition - - 83 512M /dev/sda > /dev/sda device - - - 512M - In my previous analysis I didn't see that TCL actually installs itself to a persistent disk. As shown above and in your trace, it's creating an ext4 partition on the persistent disk. I installed TCL to a disk to see what happens. $ guestfish --ro -a tcl.qcow2 Welcome to guestfish, the guest filesystem shell for editing virtual machine filesystems and disk images. Type: 'help' for help on commands 'man' to read the manual 'quit' to quit the shell ><fs> run ><fs> list-filesystems /dev/sda1: ext4 ><fs> mount /dev/sda1 / ><fs> ll / total 28 drwxr-xr-x 4 root root 4096 Mar 24 12:56 . drwxr-xr-x 19 root root 4096 Mar 24 12:57 .. drwx------ 2 root root 16384 Mar 24 12:56 lost+found drwxr-xr-x 4 1001 ftp 4096 Mar 24 12:56 tce ><fs> ll /tce/ total 20 drwxr-xr-x 4 1001 ftp 4096 Mar 24 12:56 . drwxr-xr-x 4 root root 4096 Mar 24 12:56 .. drwxr-xr-x 3 1001 ftp 4096 Mar 24 12:56 boot -rw-r--r-- 1 root root 0 Mar 24 12:56 mydata.tgz -rw-r--r-- 1 1001 ftp 449 Mar 24 12:56 onboot.lst drwxr-xr-x 2 1001 ftp 4096 Mar 24 12:56 optional It's still using an initramfs, so it's unlikely we can make inspection show the real TCL filesystem. But we should certainly be able to improve on current behaviour (ie fix RHBZ#1079734). Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://people.redhat.com/~rjones/virt-top