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sidnei/lxc-thin-provisioning

Created October 28, 2013 20:41
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lxc-thin-provisioning
$ sudo fallocate -l 6G /tmp/lxc
$ sudo losetup -f /tmp/lxc
$ sudo pvcreate /dev/loop0
$ sudo vgcreate lxc /dev/loop0
$ sudo lvcreate -l 95%FREE --type thin-pool --thinpool lxc lxc
$ sudo lvs
LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert
lxc lxc twi-a-tz- 5.70g 0.00
$ sudo lxc-create -n precise-template -B lvm --fssize 8G -t ubuntu-cloud -- -r precise
$ sudo lvs
LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert
lxc lxc twi-a-tz- 5.70g 17.38
precise-template lxc Vwi-a-tz- 7.81g lxc 12.67
$ time sudo lxc-clone -s precise-template precise-copy
real 0m0.276s
user 0m0.021s
sys 0m0.085s
$ sudo lvs
LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert
lxc lxc twi-a-tz- 5.70g 17.44
precise-copy lxc Vwi-a-tz- 7.81g lxc precise-template 12.71
precise-template lxc Vwi-a-tz- 7.81g lxc 12.67
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