Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [backup]

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

3959 questions
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Backing up data stored on Amazon S3

I have an EC2 instance running a web server that stores users' uploaded files to S3. The files are written once and never change, but are retrieved occasionally by the users. We will likely accumulate somewhere around 200-500GB of data per year. We…
Fiver
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btrfs-enabled backup solution

With btrfs hitting production in Oracle EL 14th this month (together with working fsck and scrubbing from Linux 3.2) I was thinking of redesigning my current backup solution to utilise it. Note that I'm thinking about doing it for small amounts of…
Hubert Kario
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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, that kind of thing. Should this database be…
Daniel Beardsley
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Long-term storage of Business Critical data

This is a really tricky one, and to some extent it's not a technical problem, and might not belong here, but Server Fault is for system administrators ... who manage or maintain computers in a professional capacity And I do.. and this is…
Tom O'Connor
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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 if I will be able to restore those files in case…
Geo
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Cost effective, long term archival of video and image data? ~50 TB

My lab is in the process of setting up a small server that holds data (mostly video and image data, plus a few documents) for the project our group is working on at a moment in time. Historically, after a research project ends, the data haphazardly…
hpy
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recommendations for efficient offsite remote backup solution of vm's

I am looking for recommendations for backing up my current 6 vm's(and soon to grow to up to 20). Currently I am running a two node proxmox cluster(which is a debian base using kvm for virtualization with a custom web front end to administer). I…
senorsmile
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How does RSYNC do incremental Backups

How does rsync know which files are changed and which are not? Does it log its data anywhere in the file? Because I want to do incremental backups, but first it will transfer all files. So my main question is: if I upload the initial files via FTP…
John
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Which is best for backups rsync vs rdiff vs rsnapshot

I am using rsync for backups from remote FTP to local computer. I read on internet that rsnapshot is better. Just want to know which is used in production environment
John
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Best method(s) to backup VMs running on HyperV?

We're in the middle of P2V'ing most of the network, so the current backup method is likely the worst - the backup agent is still installed on the guest OSs, and the backup device is dutifully pulling them onto tape, one file at a time. I suspect…
Kara Marfia
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Why do companies still use tape drives?

I found this, but it doesn't really answer my question. Disks even in the 1-2 TB range are much cheaper than tapes, yet I saw that Google uses tape drives for backup. What is their (disks) primary disadvantage? I can imagine some sort of disk…
ember arlynx
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What backup solution you use for linux servers

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 products you do not recommend? Are there any common…
Juha Syrjälä
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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 mirror server will take its place, manage the new…
VanHackman
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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 what equipment I'll be using. There are only three…
Citizen Chin
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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 created a user like so: grant select, lock tables on *.*…
stickmangumby
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