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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84
votes
13answers
33k 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 ...
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 ...
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
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 ...
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 ...
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 ...
9
votes
4answers
22k 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
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 ...
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, ...
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 ...
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/, ...
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 ...
25
votes
7answers
5k views

Backing up a 22 GB MySQL database daily

Right now I am able to do the backup using mysqldump. But I have to take down the web server AND it takes around 5 minutes to do the backup. If I don't take down the web server, it takes forever and ...
25
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, ...
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 ...
31
votes
6answers
31k 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 ...
20
votes
9answers
2k views

Best practices for backup checking?

It is a common situation, when administrator makes system for automatic backuping and forgets it. Only after a system fails administrator notices, that backup system has broken before or backups are ...
36
votes
11answers
15k views

Does an unplugged hard drive used for data archival deteriorate?

If I were to archive data on a hard drive, unplug it, and set it on a (not dusty, temperature-controlled) shelf somewhere, would that drive deteriorate much? How does the data retention of an ...
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.
7
votes
6answers
3k views

How to backup a linode 360 VPS?

I have a php/vbulletin/apache server running a 360 instance of linode. I am wondering what is the best way to remote backup the server in another location? I'm guessing I have two options, FTP and ...
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 ...
7
votes
7answers
807 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 ...
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
23k 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 ...
12
votes
10answers
1k views

What good free software is available for backing up a few PCs?

I have a network of about 30 Windows PCs. What good free software is available that will automatically (scheduled) make backups (not whole HDD but only certain folders) for these PCs and save on a ...
3
votes
4answers
31k views

How can I un-mark a partition as active?

Overview: I use a backup storage enclosure with 6 backup drives incrementally backup up and taken off-site. One day I noticed that the backup process was failing. I logged onto the server that is ...
2
votes
1answer
5k 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)
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 ...
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 ...
5
votes
7answers
13k 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
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
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 ...
11
votes
2answers
10k views

How do I create a read only MySQL user for backup purposes with mysqldump?

I'm using the automysqlbackup script to dump my mysql databases, but I want to have a read-only user to do this with so that I'm not storing my root database password in a plaintext file. I've ...
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
6k 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.
2
votes
3answers
7k 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 ...