Network-based Encrypted Backup in 15 Minutes 25
Amanda writes "Many of us plan for mundane (but important) tasks like setting up backup during long weekends. Much of it is because of complexity and cumbersome nature of the tasks involved. This article shows how to quickly and securely set up a network-based backup, all using freely downloadable software tools like Amanda, Samba and Tar."
15 Minutes for a Pizza? (Score:5, Funny)
Secure Network Backups in a Heterogeneous Environment in the Time it Takes to Have Pizza Delivered
That's some crazy Sh!t
Re:15 Minutes for a Pizza? (Score:1)
To what, run a backup, or have a pizza delivered? Be more specific, man!
Re:15 Minutes for a Pizza? (Score:2)
Re:15 Minutes for a Pizza? (Score:3, Funny)
Re:15 Minutes for a Pizza? (Score:3, Funny)
Hi, Senator Stevens! (Score:2, Interesting)
You're goddamn right we do, Senator Stevens, and services like this are why you're wrong on Network Neutrality. It's got nothing to do with video on demand, and everything to do with your campaign
Re:Hi, Senator Stevens! (Score:2)
It only takes 15 minutes... (Score:3)
The article is nothing but a stunt.
15 minutes?!? There's a catch. (Score:4, Insightful)
I suspect it will be a long time before I have a fast enough network connection to back up my (90% full) 950Gb RAID over a network in 15 minutes. And then there's the issue of the CPU horsepower required to encrypt all those hundreds of gigs of data. And come to think of it, this system doesn't really have any way to test if the backup actually WORKS, other than by restoring it to the primary system and wiping out the original data. And you know what will happen if you restore a hosed backup over your live production system.
Re:15 minutes?!? There's a catch. (Score:2)
http://www.amanda.org/docs/amrecover.8.html [amanda.org]
Re:15 minutes?!? There's a catch. (Score:2)
Re:15 minutes?!? There's a catch. (Score:4, Interesting)
Alternatively, try Mozy [mozy.com] for 2 gig of free online encrypted backups with individual file restores. (yes, someone hosts it and they expect you to pay for more storage space, but its useful for your important stuff at least)
Re:15 minutes?!? There's a catch. (Score:2)
Re:15 minutes?!? There's a catch. (Score:1)
15 minutes ? (Score:5, Interesting)
Far too long. I just use rdiff-backup [nongnu.org] for easy incremental remote backups (Including ACL and extended attributes).
I still don't know why it is so unknown...
Re:15 minutes ? (Score:1)
I think this is dangerous advice.... (Score:5, Insightful)
a) Make sure your backup is readable
b) Make sure your backup decrypts and is equal to the original data
Especially b) is often not the case due to RAM errors and other problems. With encryption a single bit-error after encryption can make your whole file permanently unreadable. a) can be violated by a number of things, but when you need that backup, it is too late to find out.
Never, ever do backup without full compare afterwards! From time to time do a full restoration to other hardware to be sure you know how to do it and that it works!
Seems to me this is really worth only the 15 minutes you need to put into it. But it can give you a dangerou, false sense of having understood how to do good backups.
Re:Don't trust the compare (Score:2)
In fact non of the tapes from the last 12 months would restore!
After the drive was repaired things were checked a couple of times, then the compare function was relied upon again.
I left a while later and AFAIK a restore has still not been tried.
Re:Don't trust the compare (Score:2)
That points to broken software. The ''compare'' might not even be a compare! It might be a checksum testing or the like. That is basically worthless.
Personally I use GNU tar for backups and the compare has allways been reliable. However I do test restores every few months, just to be sure. I
rdiff-backup for the win! (Score:2, Informative)
All traffic is sent over ssh...
It took 2 days to do first backup of my music collection...but subsequent runs only take 3-4 mins now (we are talking over 100 gigs)
Another nice feature of rdiff-backup is that it uses diff's to store changes to files...so you have a current 'mirrored' copy of data...and then you can pull up old versions using its diff features....
Of course it's a single command line tool...p
DIsk-based backups (Score:2, Informative)
So I wrote dbackup (shameless plug for an open-source system here) to be an extremely simple way to backup multiple filesystems on multiple servers to a central archive (in my case on a NetApp filer
Re:DIsk-based backups (Score:1)
To everyone talking about incremental backups... (Score:2)
Incremental backups are not full backups.
There, that wasn't so difficult, was it?
Saying that you can finish your backups in 15 minutes because you're doing incrementals is almost entirely false. You can finish your incremental backups in 15 minutes. You can backup the delta of your data in 15 minutes, but not the data itself.
Where's the difference? Trying to restore to yesterday with a two year old full and a series of differentials will take ages and increase yo
You *can* have your cake and eat it (Score:2)
There. Every backup is a full one, only changed data take space on the disk, and it's encrypted to boot. A simple croned script can do the job for you and also purge old backups after a set time and/or pattern and notify you if your disk is filling up.
Honestly. Use Bacula (Score:2)
http://www.bacula.org/ [bacula.org]
It can also do bare metal restores for some platforms.