[sheepdog-users] Testing snapshot-object-reclaim

[Hitoshi Mitake]

At Tue, 25 Mar 2014 10:30:49 +0100,
Valerio Pachera wrote:
> 
> 2014-03-24 16:01 GMT+01:00 Hitoshi Mitake <mitake.hitoshi at gmail.com>:
> > I have new requests for testing:
> > 1. Could you reproduce the problem on a single host with local driver?
> 
> Sheepdog daemon version 0.8.0_138_g29bf1f0
> 
> sheep -n  /var/sheep,/mnt/sheep/dsk01 \
> -c local \
> -l level=debug
> 
> 
> dog cluster format -c 2
> Number of copies (2) is larger than number of nodes (1).
> Are you sure you want to continue? [yes/no]: yes
> using backend plain store
> 
> qemu-img convert -f qcow2 /mnt/dati/test.qcow2 sheepdog:test
> 
> dog vdi list
>   Name Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag
>   test  0   10 GB  2.3 GB  0.0 MB 2014-03-25 09:49   7c2b25      2
> 
> dog node info
> Id      Size    Used    Avail   Use%
>  0      500 GB  2.3 GB  497 GB    0%
> Total   500 GB  2.3 GB  497 GB    0%
> Total virtual image size 10 GB
> 
> qemu-system-x86_64 -enable-kvm -m 1024 -smp 2 -vnc :1 -k it -drive
> file=sheepdog:test,if=virtio -boot order=c -daemonize
> 
> dog vdi snapshot test
> dog vdi snapshot test
> dog vdi snapshot test
> dog vdi snapshot test
> dog vdi snapshot test
> 
> dog vdi list
>   Name Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag
> s test  1   10 GB  2.3 GB  0.0 MB 2014-03-25 09:49   7c2b25      2
> s test  2   10 GB  5.9 GB  344 MB 2014-03-25 09:54   7c2b26      2
> s test  3   10 GB  4.0 MB  6.2 GB 2014-03-25 09:57   7c2b27      2
> s test  4   10 GB  5.9 GB  340 MB 2014-03-25 09:58   7c2b28      2
> s test  5   10 GB   28 MB  6.2 GB 2014-03-25 09:59   7c2b29      2
>   test  0   10 GB   68 MB  6.2 GB 2014-03-25 09:59   7c2b2a      2
> 
> dog node info
> Id      Size    Used    Avail   Use%
>  0      500 GB  14 GB   485 GB    2%
> Total   500 GB  14 GB   485 GB    2%
> Total virtual image size 10 GB
> 
> for n in $(seq 1 5); do dog vdi delete -s $n test; done
> 
> dog vdi list
>   Name Id    Size    Used  Shared    Creation time   VDI id  Copies  Tag
>   test  0   10 GB   68 MB  6.2 GB 2014-03-25 09:59   7c2b2a      2
> 
> dog node info
> Id      Size    Used    Avail   Use%
>  0      500 GB  6.3 GB  493 GB    1%
> Total   500 GB  6.3 GB  493 GB    1%
> Total virtual image size 10 GB
> 
> dog vdi delete test
> 
> dog node info
> Id      Size    Used    Avail   Use%
>  0      500 GB  260 MB  499 GB    0%
> Total   500 GB  260 MB  499 GB    0%
> Total virtual image size 0.0 MB

I'm tryint to reproduce this problem but I can't still do it. Could
you provide your qcow2 image (e.g. via dropbox, via your web server,
etc)?

Thanks,
Hitoshi