Re: Question about mitigating large storage costs in case of ransomware

2017-07-12 Thread Garance AE Drosehn
Here's a strategy I use, although I wasn't thinking of ransomware at the time. I have a script which first does a 'tarsnap --dry-run', and parses the summary output from that. It checks the 'Total Size' and 'Compressed Size' of the new data, and will skip making a real-backup if that size

Re: Question about mitigating large storage costs in case of ransomware

2017-07-12 Thread Graham Percival
On Wed, Jul 12, 2017 at 12:57:07PM -0700, Graham Percival wrote: > This could be wrapped into the "Receiving emails from making backups" tip: > http://www.tarsnap.com/tips.html#receive-mail ... and I just noticed some debug code in that script that I forgot to remove before publishing it. Sorry!

Re: Question about mitigating large storage costs in case of ransomware

2017-07-12 Thread Graham Percival
On Wed, Jul 12, 2017 at 09:36:39AM -0400, Rob Hoelz wrote: > I just started using tarsnap, and I was wondering if there exists an > option (or the potential interest in developing an option) to put a cap > on an archive size. Not exactly what you're looking for, but it would be easy to add a

Re: Question about mitigating large storage costs in case of ransomware

2017-07-12 Thread Colin Percival
On 07/12/17 06:36, Rob Hoelz wrote: > I just started using tarsnap, and I was wondering if there exists an > option (or the potential interest in developing an option) to put a cap > on an archive size. The reason I ask is on the off chance another > tarsnap user or I gets bitten by ransomware

Re: Question about mitigating large storage costs in case of ransomware

2017-07-12 Thread Jamie Landeg-Jones
> I just started using tarsnap, and I was wondering if there exists an > option (or the potential interest in developing an option) to put a cap > on an archive size. [ ... ] > The closest thing I could find is the --maxbw option; is there a > corresponding option for archive size that I'm not

Re: Question about mitigating large storage costs in case of ransomware

2017-07-12 Thread Jamie Landeg-Jones
Actually, re-reading your message, I now think I misunderstood, and you want to limit the size of the individual virtual archive, rather than the literal size of data-transfered? J.

Question about mitigating large storage costs in case of ransomware

2017-07-12 Thread Rob Hoelz
Hello fellow tarsnap users! I just started using tarsnap, and I was wondering if there exists an option (or the potential interest in developing an option) to put a cap on an archive size. The reason I ask is on the off chance another tarsnap user or I gets bitten by ransomware and it encrypts