On Tue, Feb 16, 2010 at 06:00:32PM +0300, Dmitry Monakhov wrote: > Use-cases: > *Assing maximum disc space consumption for some hierarchy * > > 1) Create chroot environment > # tar xf chroot_env.tar /var/xxx/chroot > 2) Assign some metagroup id to the chroot content (via not yet > existent ./metagroup cmd-tool) > # find /var/xxx/chroot | xargs ./metagroup --set 1000 > > 3) Setup quota limits > # quota-set --type metagroup --blk_soft=1024M blk_hard=1024M /var > > 4) Export this tree (it may be more complex) > # mount /var/xxx/chroot /mnt/chroot -obound > > 5)Now we may use this /mnt/chroot as: > 5A) A regular chroot envirement, user is unable to exceed metagroup > quota, regardless to real available space on /var/ > 5B) As a container's (namespace) root. > 5C) export this /mnt/chroot to nfs server and nfs client can not > overcome given metagroup quota limit. This all seems quota-related ... do you envisage uses that aren't quota-related? -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
