On 09/30/2010 09:50 PM, Andy Billington wrote: > On 30/09/2010 20:21, C Anthony Risinger wrote: > >> On Thu, Sep 30, 2010 at 8:05 AM, Gordon Henderson<gor...@drogon.net> wrote: >> >> >>> On Thu, 30 Sep 2010, Daniel Lezcano wrote: >>> >>> >>> >>>> On 09/30/2010 11:04 AM, Gordon Henderson wrote: >>>> >>>> >>>>> Looking to put "hard" limits on a containers filesystem size by creating a >>>>> fixed-length file, putting a filesystem in it, loopback mounting it, then >>>>> using that as the containers root ... >>>>> >>>>> I've not tried it yet, but wondering if anyone has done anything like >>>>> this? Any pitfalls? (Other than maybe performance) >>>>> >>>>> >>>> Yep, I tried, no problem. >>>> >>>> >>> Great. >>> >>> >>> >>>> In a near future, we will be able to specify directly the image in >>>> lxc.rootfs. The code doing that is ready but there are some problems with >>>> the >>>> consoles I have to fix before. >>>> >>>> >>> Sounds good, thanks! >>> >>> >> in the past i used a btrfs filesystem, and put each system in a >> subvolume; this let me create templates that were instantly cloneable, >> and able to run within seconds. >> >> IIRC, you can't do this right now, but soon you will be able to place >> quotas on the subvolumes. also, you can snapshot them the make a >> backup instantly. just a suggestion, it worked extremely well. >> >> C Anthony >> >> >> > I've been experimenting with btrfs and cloning this afternoon; once I'd > got over an unrecoverable btrfs error and loss of all test data, it > worked fairly smoothly. I wasn't using subvolumes or playing with quotas > though, so not sure that helps this discussion :) With a few bits of > easy scripting, creating new systems and starting them up was taking > tens of seconds; backups quicker - on a desktop PC, with the LXC host > running inside a VMware virtual machine. The experience of losing an > entire filesystem due to a btrfs fault though means I don't think it's a > sensible route to take at this point ....... >
Yeah, btrfs is still experimental. In the past, I did the same as Anthony without visible problems but when I tried recently I crashed my filesystem too. I am very impatient to see btrfs more mature because it looks very promising. ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
