On 05/24/2016 07:35 PM, Marek Marczykowski-Górecki wrote:
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On Tue, May 24, 2016 at 07:22:06PM -0400, Chris Laprise wrote:
On 05/24/2016 11:26 AM, [email protected] wrote:
On Friday, May 20, 2016 at 3:19:07 PM UTC+2, Chris Laprise wrote:
Then you could copy the encryption method used in the python
scripts for
qvm-backup, using openssl. For transmission, use an appvm assigned to
the task of connecting to the destination: issue qvm-run commands
in the
vm to take care of the particulars, such as running 'scp'. Using
'--pass-io' with qvm-run will allow you to pipe backup data from
dom0 to
your vm commands.
Chris
Yes, exactly my plan, the part about using a dedicated VM and talking to
it with 'qvm-run --pass-io'.
Small correction: Instead of using scp you probably want to pipe into the
ssh command itself, since ideally there will be no backup file on disk in
the backup vm (i.e. you're streaming). So your qvm-run pipe command may
contain a command to pipe over ssh :) or execute a script in the backup vm
to do the job.
I don't know if the qvm-backup methods allow for compression, but you might
consider adding that as well before encryption (xz is a great choice).
Compression is supported, but for now only from command line.
- --
Can I supply an argument? Like:
qvm-backup -Z 'xz -3'
To set the compression level.
Chris
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