Hi,
Can you please open up a bug in Launchpad please?
thanks
chuck
On Tue, 5 Jun 2012 15:38:11 -0700 (PDT)
David Kang <dk...@isi.edu> wrote:
>
> Hello,
>
> We are using Essex version.
> We are testing volume attachment to an LXC instance.
> >From the code, the volume is mounted by the host machine to the file
> >system of the LXC instance.
>
> # nova/virt/disk/api.py
> utils.execute('mount', '-o', 'bind', src, target,
> run_as_root=True)
>
> >From the host machine, it is visible.
> But, inside of the LXC instance, it is not visible.
> Does this method work?
>
> Before Essex, we used "lxc-attach" command to run "mknod" command
> inside of the LXC instance instead of "mount" it by the host outside
> of the LXC instance. It did work.
>
> Here are the content of the dev directory shown inside of the LXC
> instance, and at the host side. Both are different. And dynamic
> changes done by the host outside of the LXC instance is not shown
> inside of the LXC instance. Is our LXC configuration or our LXC image
> is wrong?
>
> 1. Inside the LXC instance
> $ ls /dev
> console full null nvidia0 nvidia1 nvidia2 nvidia3 nvidiactl
> ptmx pts random tty tty1 urandom zero
>
> 2. At the host
> $ ls /usr/local/nova/instances/instance-0000004f/rootfs/dev/
> block crash full kmsg loop5 mapper nbd13
> nbd7 oldmem ram11 ram5 rtc sg2 shm
> tty0 tty16 tty23 tty30 tty38 tty45 tty52 tty6 ttyS0
> usbmon3 vcs2 vcsa3 zero bsg disk fuse
> kvm loop6 mcelog nbd14 nbd8 port ram12
> ram6 rtc0 sg3 snapshot tty1 tty17 tty24 tty31 tty39
> tty46 tty53 tty60 ttyS1 usbmon4 vcs3 vcsa4 bus
> dm-0 fw0 log loop7 mem nbd15 nbd9
> ppp ram13 ram7 sda sg4 snd tty10 tty18 tty25
> tty32 tty4 tty47 tty54 tty61 ttyS2 usbmon5 vcs4 vcsa5
> char dm-1 hidraw0 loop0 lp0 nbd0 nbd2
> net ptmx ram14 ram8 sda1 sg5 stderr
> tty11 tty19 tty26 tty33 tty40 tty48 tty55 tty62 ttyS3
> usbmon6 vcs5 vcsa6 console dm-2 hidraw1 loop1
> lp1 nbd1 nbd3 network_latency pts ram15 ram9
> sdb sg6 stdin tty12 tty2 tty27 tty34 tty41 tty49 tty56
> tty63 urandom usbmon7 vcs6 vdc core fb
> hugepages loop2 lp2 nbd10 nbd4 network_throughput ram0
> ram2 random sdb1 sg7 stdout tty13 tty20 tty28 tty35
> tty42 tty5 tty57 tty7 usbmon0 usbmon8 vcsa vga_arbiter
> cpu fb0 hvc0 loop3 lp3 nbd11 nbd5
> null ram1 ram3 raw sg0 sg8 systty
> tty14 tty21 tty29 tty36 tty43 tty50 tty58 tty8 usbmon1
> vcs vcsa1 vhost-net cpu_dma_latency fd input loop4
> MAKEDEV nbd12 nbd6 nvram ram10 ram4 root
> sg1 sg9 tty tty15 tty22 tty3 tty37 tty44 tty51 tty59
> tty9 usbmon2 vcs1 vcsa2 VolGroup
>
> Thanks,
> David
>
> ----------------------
> Dr. Dong-In "David" Kang
> Computer Scientist
> USC/ISI
>
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