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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6
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5answers
4k views

Automated snapshots of EBS-backed EC2 instance running Ubuntu

I'm running an EBS-backed instance which acts as a software development team's build server (running Jenkins and host of other services). The server is running Linux (latest Ubuntu from the official ...
6
votes
2answers
1k views

Do I need to run a verfication on LTO tape backups even though the drives themselves perform verification as they write?

We have an LTO-3 Tape drive in a Dell media library that we use for our tape backups. The article about LTO on Wikipedia states that: LTO uses an automatic verify-after-write technology to ...
6
votes
2answers
148 views

Encrypted offsite backup using GPG with private key never on backup server?

I have a backup server, that creates xz compressed tar archives of directory trees to be backed up. These tar archives can get huge (multiple TBs), are split into pieces (2.5TB), and each piece is ...
6
votes
3answers
807 views

Backup with Mercurial and Robocopy?

The Problem We would like to backup our critical files from several network shares to a removable hard drive. We want to automate the backup so we don't have to remember to run it. It needs to ...
6
votes
7answers
7k views

How to backup millions of small files?

What is the best way to backup millions of small files in a very small time period? We have less than 5 hours to backup a file system which contains around 60 million files which are mostly small ...
6
votes
2answers
688 views

How can I validate a ZFS snapshot image residing on a backup system?

I'm running a FreeBSD host with ZFS. Let's pretend that I am storing a series of incremental ZFS snapshot images on a remote host using zfs send: zfs send -i zpool/data/foo@04hoursago zpool/data/...
6
votes
3answers
2k views

Backing up Xen domains

I'm currently developing a Xen backup system, however I have met the following problem: I have two methods of backing up: doing dd from the LVM snapshot, and tarring it., and rsync it remotely ...
6
votes
6answers
3k views

How can I backup an SQL server (2000 and 2005) database?

Currently we backup our MSSQL 2000 and 2005 databases using software to copy files to tape nightly. Database sizes are 14-16Gb and 500Mb. As SQL server can backup a database to a file would we be ...
6
votes
2answers
972 views

Best practice for IIS 6.0 (Windows Server 2003) backups?

What is the best backup strategy for saving IIS 6.0 data: web metadata, files, logs etc. for disaster recovery?
6
votes
4answers
379 views

What should I watch out for in building low-budget storage servers?

I'm looking to replace our current storage. The existing system is just a 450GB file share on our 7yr old domain controller, plus another 150GB from another server. We map these to drives on the ...
6
votes
4answers
4k views

What's the easiest way to auto-backup an EC2 instance? [duplicate]

Possible Duplicate: What’s the easiest way to back up EC2 instances automatically? I have an EBS-backed Amazon EC2 instance. I would like to create a daily backup schedule, and keep, say, a ...
6
votes
3answers
8k views

Rsync fails to backup some files, giving error 22

I'm trying to backup my whole server using a simple rsync on a NFS mounted volume on '/nas' Here's my rsync command rsync -sav -S --stats -H --numeric-ids --delete -D --exclude-from="/usr/local/...
6
votes
1answer
4k views

Does SQL server log shipping require a 2nd SQL license [duplicate]

Possible Duplicate: Can you help me with my software licensing question? I'm currently working on a high availability solution for SQL Server 2008. I have 2 servers with 1 license of standard ...
6
votes
2answers
1k views

Large number of snapshots on a ZFS system

Here's my scenario: I have two servers (well many more, but two for this scenario), one is a Solaris backup server, the second is a CentOS Linux Server. Every night the CentOS server runs a cron job ...
6
votes
5answers
627 views

Does Amazon S3 make any sort of guarantees on your data?

I've read over the agreements several times, and I can't find anything that guarantees Amazon will not lose or corrupt your data. Do they make any such guarantees? Can I trust S3 as my long term ...
6
votes
4answers
1k views

How many bad tapes are “normal”? [closed]

I use Quantum DLT-S4 tapes (800/1600GB) in my library, which has two Quantum tape heads in it. I have had quite a few bad tapes i.e. tapes that come up "CRC error" or "cannot read tape" etc and the ...
6
votes
3answers
2k views

Using Windows Azure storage for backup

I am currently looking at Windows Azure blobs as an option for backing up archive data. I want to be able to upload files from an external windows machine via the internet but I don't know enough ...
6
votes
2answers
950 views

Active Directory Disaster Recovery in a Small Business

This is hypothetical question, but one I’m sure that someone must have encountered and/or given some thought to before. Situation: Consider this, a small business is running an Active Directory ...
6
votes
2answers
549 views

rsync for backup considered dangerous?

In our research group, we have the need to backup data acquired on the MRI scanner in a way that will preserve any scan ever acquired (even though data might be deleted from the scanner due to space ...
6
votes
1answer
132 views

Off site Secure Tape storage [closed]

I was wondering who uses off site tape storage for their backups and their Positives and Negatives with each system. My basic requirements are secure storage, HIPPA certified, or SAS certified would ...
6
votes
2answers
9k views

.pgpass with postgreSQL not working

I have put a .pgpass file in /folder/.pgpass and it looks like this *:*:*:postgres:password_for_postgres I have a bash script where I backup the database from postgreSQL: #!/bin/bash export ...
6
votes
2answers
3k views

AWS S3 Backup Strategies - How should I approach backing up S3 buckets?

I am in the process of building a web-app with potential for a massive amount of storage requirements which can be satisfied by amazon S3. My main concern is the usage of API keys on the server, and ...
6
votes
5answers
6k views

Any open source backup software with NDMP support? [closed]

Is there any open source backup software with NDMP support? I'm looking for open source software (or free software) for backing up a large NAS file server, which supports the NDMP protocol and uses ...
6
votes
1answer
683 views

MongoDB Disaster Prep on AWS

I'm looking for best practice advice covering MongoDB disaster recovery within an AWS hosted environment. Our setup is fairly standard at this point, replica set of 3 servers (1 primary, 1 secondary, ...
6
votes
3answers
2k views

Creating a *Consistent* *Online* MySQL Backup with InnoDB AND MyISAM tables

I just spent hours building a new database server to replace 2 failed servers from a mysqldump file created a month ago, then used my server's bin-logs to bring that mysqldump up to date. Now that I ...
6
votes
3answers
2k views

Replicate a big, dense Windows volume over a WAN — too big for DFS-R

I've got a server with a LOT of small files -- many millions files, and over 1.5 TB of data. I need a decent backup strategy. Any filesystem-based backup takes too long -- just enumerating which ...
6
votes
7answers
4k views

rsyncing a bootable backup

jwz mentions PSA: Backups a backup system that's fairly clever. Your backup method is to essentially restore to the replacement drive. This seems to work simply on OSX. What all do I need to do to ...
6
votes
2answers
3k views

Backup ZFS snapshots to tape (both full and diff)

What would be the best way to implement an LTO tape-based backup system on a ZFS fileserver? I've got about 6TB that need to be backed up on a daily basis, along with an existing HP 1840 LTO4 tape ...
6
votes
2answers
429 views

Backing up oracle to TAPE

our Oracle database has grown very large as of late ~= 400 - 500 GB and saving to filesystem is not scalable anymore to us. We are looking at using RMAN to backup to tape (directly, not to fs then ...
6
votes
2answers
243 views

Is continuous backup workable for shared flat-file databases?

I'm talking about a dataset containing hundreds of DBF-format data files in a shared location, some or all of which may be open or locked by multiple network users, and Microsoft's Data Protection ...
6
votes
3answers
1k views

Backing up Hyper-V Server?

I've got a Hyper-V Server 2008 (i.e. Core) box running the following: A Windows 2008 domain controller and fileserver. A backup domain controller (also Windows 2008). An Ubuntu server web server. ...
6
votes
1answer
2k views

Duplicity: recommended value for --volsize?

I am backing up ~800GB from a server to a NAS via Gigabit (destination is a share mounted on the server I need to backup). What value would you recommend for volsize? Thanks
6
votes
1answer
908 views

What is the most efficient way to backup a directory full of large database backup files?

We use NetBackup here at Stack Exchange, and I'm working on revamping our backup policy to be more efficient. Currently, we use SQL 2008 R2 and have the SQL run maintenance plans to backup the data ...
6
votes
3answers
622 views

Best way to deal with DC600A tapes with deteriorating tension bands?

I have probably ~200 DC600A quarter-inch cartridge backup tapes from the late 80s and early-mid 90s. I have 2 drives that are capable of reading DC600A tapes, but the drives were destroying tapes. ...
6
votes
2answers
529 views

What is a safe way to back up a sparsebundle that is exported via afpd?

I work with a number of OSX client machines that back up via TimeMachine to AFP shares on an Ubuntu Linux file server, exported by netatalk/afpd. These clients back up at arbitrary times of the day, ...
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 ...
5
votes
2answers
252 views

Full backups all of the time?

The only con I can think of when doing full backups all of the time is the speed to recovery when one needs to do a full+incremental+incremental+etc. to get a certain state back. Why might anyone ...
5
votes
6answers
1k views

Write-only remote backup solutions to prevent backup deletion by hackers

Consider this scenario: I have linux server which is automatically backed up daily to some remote location via rsync or something like this. Everything is fine until some bad guy gains access to ...
5
votes
7answers
2k views

Open source file backup tool for linux

We are looking for a open source backup tool which supports incremental file backup for linux (like time machine ion mac). We want to backup a file share on our server. The tool should be as simple as ...
5
votes
4answers
4k views

SQL transaction log backups conflicting with full backups?

On our SQL servers (2000, 2005, and 2008), we run full backups once a day in the evening, and transaction log backups every 2 hrs. We haven't really worried about these two processes conflicting, but ...
5
votes
4answers
2k views

Lock Windows Disk for Backup (EC2 Snapshots)

I'm looking for a way to flush all pending writes to disk in Windows, then buffer all future writes until a command gives the go-ahead. I'd like to flush SQL Server writes and Windows system writes, ...
5
votes
3answers
852 views

Copying files between linux machines with strong authentication without encryption

I'm looking for a suitable program to copy files from one linux machine to another one. The program should be able to do authentication but it should not do encryption. The reason behind the latter is ...
5
votes
4answers
299 views

Virtualization for hardware resiliency?

Can anyone tell me if it is possible to pool several physical servers to run a resilient virtualization environment. Our servers are getting more and more critical to our clients and we want to do ...
5
votes
2answers
868 views

How often should tape backups be verified?

I have an application running on a server that's being backed up by tape. The application handles large amounts of business critical information on a daily basis. In this case how often should I be ...
5
votes
4answers
5k views

rsync to NAS copies everything every time

I run Ubuntu Linux and use backup script that copies things over using rsync: rsync -rc /home/user/source /media/nas/destination or rsync -r /home/user/source /media/nas/destination However - it ...
5
votes
7answers
1k views

What is the best way to keep data synchronized between two locations?

For example, I would like to keep a lot of music files synchronized on two different hard drives. What is the most efficient way to do this? The more automated the method, the better!
5
votes
5answers
329 views

Backup solution (includes tape backup)

What would be the best Linux based solution for backup (later maybe tape backup too). There are Bacula, Amanda, and others. Any suggestions which to learn ? (Now I use compressed tarballs simply)
5
votes
2answers
389 views

tar file modified bit (am I being BS'd to?)

I'm working on a project where I'll be using tar to incrementally backup data on a server to a number of tapes. According to a senior co-worker of mine, tar will "set special flags on files so that ...
5
votes
3answers
2k views

Where to put my backup.sh?

I'm writing a shell script that will make backups of my system ( like this: https://help.ubuntu.com/8.04/serverguide/C/backup-shellscripts.html ). What is the best location in my system, to store ...
5
votes
12answers
734 views

Best method to backup executives' Windows computers

An executive asked me to do some research on backup solutions for him and some other executives. Currently they have been using Norton Ghost to image their computers to an external HD, which is a ...