On 01/12/2015 04:33 PM, Nicholas Lee via smartos-discuss wrote:
[root@node6 /zones/tmp]# time qemu-img convert -f host_device -O raw
/dev/zvol/rdsk/zones/18dc2771-8be1-4f73-b2eb-6f64df4cbb26-disk0 tmp.raw
real 4m16.370s
user 0m11.915s
sys 0m27.237s
[root@node6 /zones/tmp]# qemu-img info -f raw tmp.raw
image: tmp.raw
file format: raw
virtual size: 40G (42949672960 bytes)
disk size: 12G
[root@node6 /zones/tmp]# du -sh tmp.raw
12G tmp.raw
It's a sparse file so use rsync -S to move the file to your linux node.
I recommend using the qcow2 format. It's compatible across SmartOS and
Linux hypervisors and is explicitly compact where the raw file is sparse.
Incidentally, for the people from the "Running Chrome OS on SmartOS"
thread people, I recommend using qemu-img over dd; I'm pretty sure it
will go faster. But if you really want to use dd, at least crank up the
block size to something reasonable (e.g. "bs=128k").
-Nahum
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