Backing up is the process of making copies (a backup) of data which may be used to restore the original after a data loss event.

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Got fatal error during xfer (Child exited prematurely)

I have a backup server which takes backup of other servers and in few days back the backup server started experiencing error and the not able to take back. I think the error log bellow could describe ...
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What does 'mount point' mean in a Linux installer?

While installing Linux, it asks for a 'mount point' selection. I gave it /, but I don't know the exact meaning and aim of this. Also, now I want to create one more mount point, /home in my machine ...
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24 views

How to omit directory from backup

I am trying to edit a backup script so it will work for me. My issue is that if I set the directory path I wish to backup, then it would also backup the directory containing the backups :) The ...
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Restoring a big partition to a smaller partition with Clonezilla

Some time ago I created a backup of an EXT4 partition with Clonezilla. Now the HDD crashed and I lost some important data. The size of the image of the partition is 50GB. I tried to restore this ...
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How to clone btrfs filesystem into different medium preserving snapshots' sharing data

I have decided to give btrfs raid capabilities a try. I set up a btrfs with sudo mkfs.btrfs -m raid10 -d raid10 /dev/sda9 /dev/sdb9 /dev/sdc9 /dev/sdd9 Now I want to clone my existing btrfs ...
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Backing up/restoring a full VPS, can't boot from live media

(My question here is specifically about Ubuntu, but I'm posting it on Unix & Linux because I think the answer will apply to Linux in general. I'm more than happy to reformat the question or move ...
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2answers
30 views

What is an adequate backup strategy for Debian system with a simple database? [on hold]

I would like to know a suitable backup strategy for a small business running a simple database. The whole system operates from a single local computer with one internal hard disk. I have already ...
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2answers
52 views

Can a linux filesystem be backed up by copying the file structure tree only?

This might be considered to be more of an academic question but here goes. Returning to Linux after some years away, I installed Ubuntu 15.04 Desktop on a small PC. Looking around the file system ...
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make_tape_recovery: is possible to do the same on linux?

On hpux,i use a fantastic tool from ignite-ux make_tape_recovery -x inc_entire=vg00 -A -v -m pax -E With this i make and image on tape,and even if VG00 is corrupted and or unavaliable,or something ...
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1answer
25 views

configuring rsync for incremental backup and recovery

The setup is a NAS box on a lan mounted as NFS and the source is a laptop running an old kubuntu 10.4. Rsync has to be run as a local file copy, NAS box doesn't support an rsync daemon. How do I ...
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33 views

Deleting partitions without losing data

Case 1: Let's say I mount /dev/sda3 /var and this entry is not in /etc/fstab. After unmounting /var, if /dev/sda3 is an unused partition (no entries in the fstab), if I delete it I will not lose any ...
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Difference between fsarchiver and dump

What is the difference between dump and fsarchiver? Are there features in dump which are not covered by fsarchiver? Can both backup to tape storage for example?
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46 views

Schedule backup with notification?

To avoid editing files at the same time of backup scheduled by cron, I figure out a way: Before backup, send a desktop notification such as notify-send -t 0 "Ready for backup", to let me prepare ...
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37 views

editing files at the same time when cron automatically runs backup

I heard that it is a good idea to schedule backup in crontab file. I also head that it is bad to edit files while they are backed up. It may happen that cron stats to backup a directory while I am ...
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1answer
474 views

Rsnapshot destination full - how to safely rerun?

I ran my Rsnapshot backup today but my external drive became full half-way through the incremental backup (I have about 20 incremental backups now). rsync: write failed on "<path>": No space ...
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Clear unused space with zeros (btrfs)

How to clear unused space with zeros ? (I am asking for tool for btrfs filesystem) I'm looking for something smarter than cat /dev/zero > /mnt/X/big_zero ; sync; rm /mnt/X/big_zero Like ...
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What can I do with btrfs “profiles”?

Reading through the btrfs (sub) command documentation, it can "balance only block groups with the given replication profiles", and "convert selected blocks to a given profile", and apparently it ...
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Automatic sync/backup that adds files to hard disk and keeps when removed

I know there are a few sync tools available in linux (I use openSuse OS btw), but I think they all do a pure "sync" and I am looking more for a backup function which is not synced (I could be ...
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1answer
49 views

How to split file and save parts to multiple locations?

How do I split a large file into multiple smaller chunks and write each part of it into separate locations? split command seems to only output all the files into one location. The context I need to ...
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sync two zip archives (with minimal I/O)?

zip itself can freshen an archive to reflect the current filesystem (e.g. -FS). It only updates zip entries with outdated timestamps. Is there a tool that updates a 2.zip file so that it becomes ...
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7answers
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Recovering accidentally deleted files

I accidentally deleted a file from my laptop. I'm using Fedora. Is it possible to recover the file?
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Formatting btrfs for robust metadata

If I make three partitions on a HDD, it appears that the default (which is -m raid1) will only store two copies of each metadata block. Is there a way to store multiple copies, e.g. one on each ...
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sync source A into destination B

I want to create a perfect copy of A in B. I'm using this command, but is working good only on same existing folders rsync -h --progress --stats -r -tgo -p -l -D --delete /A /B if folder x exists ...
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Verify par2 on different media?

Is there an easy way to point to a par2 index file in one place and have it use a different base directory for the files to verify? Here's what I'm up to: I copy a bunch of stuff to backup media. ...
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How to Free Up Space in a Dynamically Growing qcow2 VM image?

This has happened to one of my VM's that's running CentOS under Proxmox. I copied about 40 GB of data into a VM. I then deleted that 40 GB data a day later. Now taking a backup of the same VM takes ...
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44 views

Backup of home folder store network and printer settings?

Does restoring my home folder, restore network and printer settings on elementary os?
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53 views

How to move mysql database and mysql server to another machine

I am having Ubuntu 14.04 desktop in which i develop software. Due to some reasons my hard disk has developed many bad sectors. I want to move my mysql server software and all the databases to a new ...
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1answer
72 views

Interacting with Tape Library on CentOS 7 via mtx

I have a Quantum SuperLoader 3 plugged in via SAS to a CentOS 7 system. It shows in dmesg and lsscsi and is handled by the ch driver. $ lsscsi [0:2:0:0] disk LSI MR9271-8i 3.24 ...
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2answers
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Backup of a NAS

I have a NAS that is used to store data from our LAN. For many years I've relied on tar or cpio to back up selected directories to tape. When I backup complete partitions or disks on the various ...
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63 views

Backup And Restore Shell Script

I have been trying to create a script that backups up a certain directory and then restores the directory. The backup works as it should but when I try run the restore function I get the following ...
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2answers
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How to keep a history of backups?

My intention is to create a "snapshot" of a certain hard drive on a server every day. How can I automatically make sure that the snapshot of today, three days ago, five days ago, 10 days ago (and so ...
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What is advantage of backing up a filesystem by version control software?

Version control software seems to be used for backing up project mostly in plain text files. For backing up a file system, with large amount of files or large size, regular file copying/transferring ...
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vim: how to trace back all changes done to file during the day

Does anybody know how to setup vim (the text editor) in such a way to make it possible to trace back all the changes done to a file within a day? I need it for the cases when I have accidentially ...
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backup without closing programs that are opening files for editing, and detect unsaved open files?

Is it possible to do backup without closing programs that are opening files for editing? I would like to do backup without closing programs that are opening files that I am reading or writing. I ...
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rsync question about a directory

I went ahead and used rsync to back up a root directory called /files my exact commands werersync -avzh /files willc66@server.com:/backup, inside my /files directory I had 2 sub directories home and ...
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1answer
112 views

ideal btrfs storage scheme to incorporate external USB HDD as backup media

Is there a way to leverage btrfs's advanced features (COW, snapshots, etc.) to continuously backup/mirror my main storage volume to an external USB HDD?
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Is btrfs suitable as backup filesystem?

Right now I have a pretty traditional backup filesystem structure on top of ext4. Every time a backup is made, a new folder backup-DATE is created to which files are rsync'ed (with hardlinks made ...
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1answer
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force rsync to overwrite files at destination even if they're newer

I have an rsync backup script I run, which also restores files back where they came from when I ask. But if the files at the destination are newer than those in the backup when I try to restore, it ...
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Moving Application Configurations to Separate Partition

So by default, most services install their configuration files to /etc/<application>. On my physical systems, I'm using LVM for volume management, and specifically so I can rollback snapshots ...
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Help checking the integrity of TAR files for backup

I want make a backup of my Home directory and I've read a good method is to use the tar tool, and I think it suits me well since all I need to do is create a .tar of every folder in the Home directory ...
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3answers
146 views

Taking complete backup of System and then restoring?

I am using kubuntu 10.04 and now I want to install Mac on my PC. I have my data scattered in over 200 Gb and I want take a backup such that with one command all my data is saved into a single file. ...
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An incremental or another full backup? [closed]

After using rsync to backup a file system, if there has been dramatic change in the file system since the last backup, is it still good to do an incremental backup? Is there a rule of thumb about how ...
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1answer
24 views

Standards for dealing with older/previous “.bak” backup of config file before new edit

Assume I have a config file "foo.conf." This file is rarely edited. At some point in the BeforeTime(tm) it was edited and "foo.conf.bak" was created to save the previous state. Now, I want to make ...
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Cleanup of temporary file ~/.cache/duplicity/temp failed

Often when I run Duplicity I see an error message like this at the end of the run: Cleanup of temporary file ...
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1answer
28 views

Storing documents and backups on several different drives

Currently I have Ubuntu installed on a 120GB SSD. However I also have 3 more hard drives installed on the computer, 2 x 640GB in aRAID array and a 60GB SSD. What I am trying to achieve is to use the ...
4
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1answer
364 views

easy rsync solution with file manager (thunar or nautilus or…)

A common tasks I teach new users in UNIX is how to make backups. Since most are not comfortable with the command line (CLI) and I want to have them make backups (more than forcing them to use the ...
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33 views

rsync: delete some files in destination not in source but not delete others

Given two directories /.../src and /.../des, they share some subdirectories share1 and share2 des also has a subdirectory named des1 which doesn't exist in src. How can I perform file transfer ...
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Software to do a 3 way backup

I am currently doing a backup of my system on an external hard disk using rdiff-backup. This kind of backup is good when the disk dies. However, I was also wondering if I can extend this method to do ...
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Rsync filter: copying one pattern only

I am trying to create a directory that will house all and only my PDFs compiled from LaTeX. I like keeping each project in a separate folder, all housed in a big folder called LaTeX. So I tried ...
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2answers
48 views

Rsync: Verify size of incremental backup of a file

I need to test the incremental backup of a file using rsync i.e. whether rsync transfers entire file or just the changes made to it, when an incremental backup is fired. Just for a test, I've created ...