[Lxc-users] [LXC] loop module in ubuntu template

[Sujay M]

Hi Tamas,

Thanks a lot for the help. You've almost solved my problem, The previous
loop error is not there but I'm getting write-protected error when trying
to mount

root at vm0:/srv# ls -l swift-disk
-rw-r--r-- 1 ubuntu ubuntu 1000000000 Jan 10 18:01 swift-disk

root at vm0:/srv# mount /mnt/sdb1
mount: block device /srv/swift-disk is write-protected, mounting read-only
mount: cannot mount block device /dev/loop1 read-only


root at vm0:/srv# chmod 777 swift-disk

root at vm0:/srv# ls -l swift-disk
-rwxrwxrwx 1 ubuntu ubuntu 1000000000 Jan 10 18:01 swift-disk

root at vm0:/srv# mount /mnt/sdb1
mount: block device /srv/swift-disk is write-protected, mounting read-only
mount: cannot mount block device /dev/loop1 read-only

/etc/fstab
# UNCONFIGURED FSTAB FOR BASE SYSTEM
/srv/swift-disk /mnt/sdb1 xfs loop,noatime,nodiratime,nobarrier,logbufs=8 0
0

Please help. Thanks in advance.



On 10 January 2013 23:03, Michael H. Warfield <mhw at wittsend.com> wrote:

> On Thu, 2013-01-10 at 17:46 +0100, Papp Tamas wrote:
> > On 01/10/2013 05:36 PM, Sujay M wrote:
> > > Hi all,
> > >
> > > I have created a container vm0 using the ubuntu template. I want to
> use /mnt/sdb1/ as loopback
> > > storage. so if i try to mount it i'm getting
> > >
> > > root at vm0:~# mount /mnt/sdb1/
> > > mount: Could not find any loop device. Maybe this kernel does not know
> > >         about the loop device? (If so, recompile or `modprobe loop'.)
> > >
> > > root at vm0:~# modprobe loop
> > > FATAL: Could not load /lib/modules/3.2.0-23-generic/modules.dep: No
> such file or directory
> > >
> > > How can i overcome this problem? Please help. Thanks in advance.
> >
> >
> > Please do not crosspost.
>
> Now now...  Not so fast.  Not so general.
>
> There are times when cross posting can be appropriate (not saying this
> one was and not saying this one was not).  Not all of the developers
> monitor the users list (and the -users list was created at my suggestion
> to Daniel a long time ago when we only HAD the -devel list and we needed
> a place for users to correspond without distracting the devs too much).
> I do participate in both and I've seen a couple of times when someone
> has posted here and they don't get an answer but the same question
> posted later on the -devel list gets prompt replies because Serge or
> Daniel or someone else over there had more information and they hadn't
> been paying (as much) attention to the -users list.
>
> Not too long ago, I posted a message that had to go to three different
> major mailing lists (lxc-devel, systemd, and fedora) but I needed input
> from that union of subscribers to getting systemd working on fedora
> under lxc.  We now have the systemd issues (largely) resolved (we're
> discussion some patches I've created for 0.9.0 over on the -devel list
> now) as a result of that.  There are times when it is appropriate but
> you need to do so with caution and understanding.
>
> Templates are of appropriate interest to the general user population but
> this problem could require some input from the devs, especially if it
> means something needs to be changed.  There was a recent one asking
> about what was and appropriate kernel level and that got no responses
> here but some good comments from Serge over on the -devel list.  Not
> every message should be cross posted but a blanked prohibition on cross
> posting is equally not advisable.
>
> Regards,
> Mike
> --
> Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
>    /\/\|=mhw=|\/\/          | (678) 463-0932 |
> http://www.wittsend.com/mhw/
>    NIC whois: MHW9          | An optimist believes we live in the best of
> all
>  PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!
>
>
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-- 
Best Regards,

Sujay M
Final year B.Tech
Computer Engineering
NITK Surathkal

contact: +918971897571
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