Duplicity

Which duplicity files to backup before HDD format and 12.04 reinstall

Asked by Efstratios I. Charitos

I have an ubuntu 12.04 box and the update from 11.10 did not go that well, so that I am thinking of formatting and reinstalling.

I use duplicity to backup a directory to an internal HDD and to amazon S3. My question is, which duplicity files should I save before my format so that I will be able to continue using the same backup settings and continue my (until now) incremental backups on S3 and internal HDD?

Is it OK to save the archive files under /.cache/deja-dup/HASH and /.cache/duplicity/HASE and then restore them in their respective location after the format?

Do I need anything else (signatures? settings? config files?)? After the fresh install, will I be able to continue with the incremental backups?

Thanks a lot

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edso (ed.so) said : 		#1

do you use duply? in that case everything you need should be in the profile folder. save that to somewhere safe.

if not. save your private/public key used and/or write down your encryption passphrase.

to be safe you could try the following on another machine first:

1. install the exact same version of duplicity (actually since 0.6 each version should be able to restore each other version, but just to be sure)
2. copy your keys or duply profile over
3. do a duplicity verify run on the hdd backup folder (shared via network or simply temporarily removed from the other box)

if verify runs smoothly everything is fine

..ede/duply.net

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