How to find a deleted file amongst many archives

2015-11-05 Thread Quinn Comendant
I'm evaluating tarsnap for personal use. I'm curious how I would find a single file amongst many archives. Let's say I have created hourly archives going back 30 days, and I have deleted a file from my local hard drive sometime in the previous 30 days, but do not know when. Is there a way to

Interpreting "dry-run archival without keys"

2015-11-05 Thread Quinn Comendant
I've just completed testing the "deduplication and compression without an account" suggested on the FAQ page (results below). I wanted to test performance and see how deduplication would effect the ultimate amount of data that would be uploaded. The process took about 8 hours, with fairly

Re: Feasability of using tarsnap on crap internet connections

2015-11-05 Thread Colin Percival
On 11/05/15 14:42, Quinn Comendant wrote: > On Thu, 5 Nov 2015 22:25:38 +, Colin Percival wrote: >> I'd go with something like `tarsnap --list-archives | fgrep -v .part >> | sort | >> tail -1` to get your most recent full archive. > > But I didn't mean the "most recent"; I meant "the full

Re: Feasability of using tarsnap on crap internet connections

2015-11-05 Thread Garance AE Drosehn
On Nov 5, 2015, at 5:16 PM, Quinn Comendant wrote: > > Another question has come up while evaluating tarsnap. I'll be uploading from > a MacBook in rural Colombia, with a flapping internet connection. It is a > 3Mbps radio uplink, which is sufficiently fast to upload my

Re: How to find a deleted file amongst many archives

2015-11-05 Thread Colin Percival
On 11/05/15 14:21, Quinn Comendant wrote: > It would be pretty easy to create a local index during the backup process > and save all file paths, upload timestamp, and archive names to a text file > or sqlite db. This would make individual file restorations much quicker. > Perhaps there exists a

Re: How to find a deleted file amongst many archives

2015-11-05 Thread Garance AE Drosehn
On Nov 5, 2015, at 5:21 PM, Quinn Comendant wrote: > On Thu, 5 Nov 2015 13:36:05 -0800, Colin Percival wrote: >> There's no built-in way to do this. Due to tarsnap's encryption, there's no >> way to "index" the archives, so any built-in command would just do what you >>

Re: Feasability of using tarsnap on crap internet connections

2015-11-05 Thread Quinn Comendant
On Thu, 5 Nov 2015 22:25:38 +, Colin Percival wrote: > How long does it drop for? For the most part it drops only momentarily. I only notice because a SSH connection is lost, or my VPN disconnects and immediately re-connects. It's as if a bird flew in front of the antenna's line-of-sight.

Re: How to find a deleted file amongst many archives

2015-11-05 Thread Colin Percival
On 11/05/15 13:19, Quinn Comendant wrote: > On Thu, 5 Nov 2015 13:01:18 -0500, Quinn Comendant wrote: >> Is there a way to search all archives to find "the most recent file that >> exist(s|ed) at the specified path"? > > Just to avoid anyone giving the obvious answer: I suppose I can always wrap

Re: How to find a deleted file amongst many archives

2015-11-05 Thread Quinn Comendant
On Thu, 5 Nov 2015 13:01:18 -0500, Quinn Comendant wrote: > Is there a way to search all archives to find "the most recent file that > exist(s|ed) at the specified path"? Just to avoid anyone giving the obvious answer: I suppose I can always wrap `while` loops around `tarsnap --list-archives`

Re: Feasability of using tarsnap on crap internet connections

2015-11-05 Thread Colin Percival
On 11/05/15 14:16, Quinn Comendant wrote: > Another question has come up while evaluating tarsnap. I'll be uploading > from a MacBook in rural Colombia, with a flapping internet connection. It > is a 3Mbps radio uplink, which is sufficiently fast to upload my 400GB > (pre-de-duplication) data in a