Making copies of data so that the copies may be used to restore the original after a data loss event, or for historical retention.

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85
votes
13answers
34k views

Why is RAID not a backup?

When someone mentions RAID in a conversation about backups, invariably someone declares that "RAID is not a backup." Sure, for striping, that's true. But what's the difference between redundancy and ...
4
votes
5answers
1k views

What's needed for a complete backup system?

For my new server, I want to setup a proper backup solution. I've found a great setup that will do twice-daily incremental backups via Dropbox. I plan on backing up my various databases, the webroot ...
4
votes
7answers
1k views

Recommended Backup Media for Circa 2009?

Tape has been the chosen form of backup media for decades, but with newer technologies, this is changing. Now other contenders are creeping up on this venerable format. What is the current sweet ...
10
votes
7answers
11k views

Best way to do Subversion backups?

What is the best way to do Subversion backups (on a Debian based server). Is it to use svnadmin? svnadmin dump /path/to/reponame > reponame.dump Or maybe just to tar the dir where the ...
18
votes
3answers
9k views

Are RDX removable disks a good replacement for LTO tape?

Over a period of three weeks, I experienced six complete failures of LTO-1 and LTO-2 tape drives at client sites. Some had failed mechanisms. Others lost the ability to write reliably. These were HP ...
13
votes
7answers
22k views

What ways there are to backup repositories for Windows VisualSVN?

At this moment we are using Visual SVN and we are backing up the entire repositories directory for visual svn. This backs up the entire data for each repository inside our svn engine. I am curious ...
40
votes
19answers
5k views

Best practices to keep your computer(s) backed up efficiently?

I'm looking for a cheap and efficient strategy to keep my personal computers and laptops backed up. For example, currently I take a snapshot of my desktop once a week with Ghost and place the image ...
16
votes
9answers
20k views

LVM snapshots as a backup strategy

How viable as a backup strategy would be periodical LVM snapshots of xen domU's? Pros, cons, any gotchas? To me it seems like the perfect solution for a fast, brainless restore. Any investigation ...
13
votes
2answers
9k views

Docker volume backup and restore

I'm using Docker to deploy some services on a CentOS 6.4 server, and I'm trying to figure out how to properly backup data they generate. For example, one of the services is a web application where ...
13
votes
7answers
2k views

Backup MySQL Server

What's the best way to back up a MySQL server? I would like a method that doesn't require bringing down the server. Is something like InnoDB hot backup necessary, or can I just use the backup tools ...
10
votes
7answers
25k views

How to use a Volume Shadow Copy to make backups

The plan is to create a shadow copy of a quite large, I/O-heavy volume. It's 350GB, containing a filesystem-based fulltext index organized in hundreds of folders and hundred-thousands of tiny files ...
9
votes
4answers
23k views

How to build a high availability Postfix system?

I'm needing to set up a remote mirror for a postfix server (where the content of both mail servers should be the same at any time). The idea is that if the main server comes down at some point the ...
9
votes
3answers
2k views

What's the easiest way to back up EC2 instances automatically?

I'm worried I might log in one day and my fully configured instance has been removed. I would like to be able to back it up daily to S3 but frustratingly this is not a simple setting in the console. ...
4
votes
5answers
5k views

How can I back up and replicate a large MySQL database?

How can I backup a large database in mysql? And what is the best way to replicate the database? what i'm looking for is backing up large database with large amount of data in a small time limit ...
8
votes
3answers
7k views

Why don't people just use rsync to back up vmware guests?

If I am running a modern vmware ESXi system, I can drop in a statically linked rsync binary and rsync files to any destination over SSH. I'm trying to understand why most (all ?) backup of vmware ...
26
votes
3answers
20k views

How does dropbox version/upload large files? [closed]

I have a free dropbox account (2GB), and I was wondering how the versioning of large files works. I have a full backup of all my webfiles that sites @ just over 1GB. After the initial upload of 1GB, ...
15
votes
14answers
4k views

What backup solution you use for linux servers [closed]

What backup solutions you use for linux server in production environment? Do you prefer open source or commercial products? What you consider to be essential features in backup software? Which ...
75
votes
8answers
12k views

How to backup 20+TB of data?

We have a NAS server at the company I work for that is being used for storing photography sessions. Each session is approximately 100gb. Over the last couple of years this server has accumulated 10+ ...
8
votes
9answers
3k views

How do you usually back up your database?

I am using mysql How often do you back up your database? How do you normally backup your database? Export all data into sql or cvs format and keep it in a folder??
18
votes
13answers
11k views

Complete restore of linux system

I am familiar with using rsync to back up various files from my system but what is the best way to completely restore a machine. What I have tried in the past is: Do a basic format/reinstall from ...
17
votes
7answers
10k views

Is there a working Linux backup solution that uses inotify?

It takes forever to back up. Before we can trust btrfs or ZFS to backup incremental snapshots, wouldn't it be nice if there was a daemon that used inotify to keep track of which files had actually ...
32
votes
6answers
32k views

protocol version mismatch — is your shell clean?

When following the instructions to do rsync backups given here: http://troy.jdmz.net/rsync/index.html I get the error "protocol version mismatch -- is your shell clean?" I read somewhere that I ...
11
votes
4answers
5k views

Should I backup and restore the `mysql` database?

In the process of creating an automated solution for backing up and restoring an entire MySQL server, I've come across the mysql database which seems to contain user accounts, permissions, metadata, ...
8
votes
1answer
10k views

Command line backup of running Hyper-V images using Volume Shadow Copies (VSS) and Diskshadow.exe

I need to backup running Hyper-V virtual machines with minimal downtime via a command prompt. Backups should be stored on another local disk or remote share.
6
votes
4answers
8k views

SQL Server Backups using Volume Shadow Copy

Many well-known backup utilities for Windows use the Volume Shadow Copy Service built in to newer versions of windows to create a point-in-time snapshot of the disk in order to safely back up open ...
14
votes
11answers
3k views

How do you do the offsite hard drive backups?

I have been doing hard drive backups for a while, which I believe a lot of you guys do as well, but am having trouble figuring out a better way storing them offsite. I am wondering how you guys out ...
13
votes
7answers
3k views

Setting up a new backup scheme

I'm in the process of designing my first ever backup scheme. I'm completely new to managing data backup, and there are some concepts that I don't totally understand. Here's what I've got so far, and ...
7
votes
7answers
814 views

How to provide proper backups for multiple Linux based servers? [closed]

There have been several questions related to providing backups, but most of them were either too specific, intended for home usage or Windows-based. What I'd like to hear: How do you ensure that ...
12
votes
4answers
705 views

Sharepoint 2007 Backup Solutions? [closed]

SharePoint 2007 comes in with a built-in backup facility, but I've heard bad things about it. Namely, you can backup but not restore the configuration database, and generally that restoring is always ...
9
votes
2answers
11k views

How to keep: daily backups for a week, weekly for a month, monthly for a year, and yearly after that

I need to backup data and config files on this server, daily. I need to keep: daily backups for a week weekly backups for a month monthly backups for a year yearly backups after that All of this ...
9
votes
6answers
1k views

How do you handle data archiving? [closed]

Backups are one thing, but long term archival is another. For example, you might be required to store emails for 7 years, or keep all project data indefinitely. I used to save archives to tape, but ...
8
votes
2answers
2k views

Prevent the possiblity of writing data to an unmounted mount point directory [duplicate]

I have an Ubuntu server where I'm automounting an external hard drive each boot. To do this, I've created an empty folder on the root partition, and the drive gets mounted "inside" this folder. ...
5
votes
3answers
380 views

Good/free tool or way to backup drivers

What is good free tool to backup all currently installed hardware drivers, or is there manual way to do it too? Also, simple way to restore backed up collection of drivers to fresh reinstalled system, ...
4
votes
12answers
1k views

How do you do your backup?

I´m looking over my backup strategy, that I installed a couple of years ago...and I´m wondering, how do other perform their backups? Can I do different/better/safer/more economic? Edit The main ...
12
votes
6answers
24k views

How do you limit the bandwidth for a file copy?

I've got an old windows 2000 box in a remote location with a T1 connection and a vpn to my location. I normally use smb mounts to transfer files but now it's time to decommission the server and copy ...
2
votes
1answer
6k views

Incremental Backups of SVN Repository daily ? (OS = UNIX)

the first part of question how i can make Incremental Backups of SVN Repository ? what is the command do this ....... and how i can do this automatically (OS + UNIX)
21
votes
7answers
1k views

Backup strategy for developer-focused Apple environments?

It's interesting to see the technological split between structured corporate environments and more developer-driven/startup environments. Some of the Microsoft technologies I take for granted (VSS, ...
8
votes
5answers
12k views

How does RSYNC does incremental Backups

How does RSYNC knows which files are chnages and which are not. Does it logs its data anywhere in the file. Because I want to do incrrmental backups but first it will transfer all files. So my main ...
8
votes
6answers
4k views

Optimal way to make MySQL backups for fairly large databases (MyISAM / InnoDB)

Currently we have one beefy MySQL database that runs a couple of high traffic Django based websites as well as some e-commerce websites of decent size. As a result we have a fair amount of large ...
5
votes
7answers
14k views

Speeding up rsync over smb

I'm backing up a Linux box over SMB to a NAS. I mount the NAS locally and then I rsync a lot of data (100GB or so). I believe it's taking an awfully long time to do it: more than 12 hours. I would ...
4
votes
5answers
2k views

Backup linux to ftp server

What do you use for backups to ftp server? I've tried the setup with Amanda and virtual tapes on the ftp server mounted with Curlftpfs and I'm not satisfied with it. I just don't feel confident about ...
4
votes
4answers
4k views

How to backup big MySQL database on Linux

I want to backup MySQL database which is around 200GB. How should I do it? Using mysqldump - I feel backing up 200GB database on which there are continuous writes are going on. Is it a good idea? I ...
4
votes
8answers
2k views

debian mysql auto daily backuping

I need to backup my Mysql database daily under a Debian server. I know there are plenty of scripts out there but my need is backing up daily as a sql file and putting each backup seperately(maybe the ...
3
votes
1answer
7k views

Restore windows server image backup from one server to another

Can I restore and Windows Server 2008 built in image backup from one server to a different hardware? Is that possible? I have a PowerEdge T710 and I want to restore to T300.
3
votes
2answers
1k views

Git-style incremental backup with rsync

I'm trying to setup a backup script on Ubuntu. Every day I want to copy my local source directory to a backup directory on a remote server uniquely named with the date. (e.g., backup-jan1/, backup-...
3
votes
1answer
1k views

MySQL: How to backup and restore using different schema name using xtrabackup

I very often need to create a backup of a database and import it using a different schema name. These schema's are pretty large (3-5GB) and mysqldump is a pain. xtrabackup seems promising but I cannot ...
2
votes
1answer
5k views

IIS 7 Backup Strategy

I'm looking for a backup strategy for a Windows 2008 Webserver. What folders/files need to be backed up to easily restore all IIS 7 settings?
2
votes
3answers
8k views

“tar cfz” versus “tar cf - | gzip”: are they different? (or how to improve a backup)

I want to speed up my backup done with tar cfz, the common way to do it. But day by day my backed up files grow so it becomes slower. I was thinking to take advantage of the several cores available ...
1
vote
4answers
1k views

CentOS Hot Backup

We have dedicated CentOS machine running a customer management service, in a few days development will cease and we would like to take a complete backup of the hard-disks. The server has 2 500GB hard-...
1
vote
7answers
1k views

Is our planned backup strategy adequate for my new server insfrastructure?

We're in the process of setting up a new server for migrating the old ones. Basically we'll have a Windows Server (2003 or 2008) running 6+ virtual box servers (Windows and Linux development, ...