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Source code changes of the file "README" between
amanda-tag-community-3.5.2.tar.gz and amanda-tag-community-3.5.3.tar.gz

About: Amanda is a backup system designed to archive many computers on a network to a single large-capacity tape drive.

README  (amanda-tag-community-3.5.2):README  (amanda-tag-community-3.5.3)
Amanda (The Advanced Maryland Automatic Network Disk Archiver) Backup # Amanda
Software ## The Advanced Maryland Automatic Network Disk Archiver
### Backup Software
Copyright (c) 1991-1998 University of Maryland at College Park Copyright (c) 1991-1998 University of Maryland at College Park
Copyright (c) 2007-2012 Zmanda, Inc. All Rights Reserved. Copyright (c) 2007-2012 Zmanda, Inc. All Rights Reserved.
All Rights Reserved. All Rights Reserved.
PLEASE NOTE: THIS SOFTWARE IS BEING MADE AVAILABLE "AS-IS". We make PLEASE NOTE: THIS SOFTWARE IS BEING MADE AVAILABLE "AS-IS". We make
no warranties that it will work for you. As such there is no support no warranties that it will work for you. As such there is no support
available other than users helping each other on the Amanda mailing available other than users helping each other on the Amanda mailing
lists or forums. Formal support may be available through vendors. lists or forums. Formal support may be available through vendors.
WHAT IS AMANDA? ## What is AMANDA?
Amanda is a backup system designed to backup and archive many Amanda is a backup system designed to backup and archive many
computers on a network to disk, tape changer/drive or cloud storage. computers on a network to disk, tape changer/drive or cloud storage.
Here are some features of Amanda: Here are some features of Amanda:
* Written in C and Perl. * Written in C and Perl.
* Freely distributable source and executable. University of Maryland * Freely distributable source and executable. University of Maryland
(BSD style) license and GPL. (BSD style) license and GPL.
* Built on top of standard backup software: Unix dump/restore, GNU * Built on top of standard backup software: Unix dump/restore, GNU
Tar and other archival tools. It is extensible to support new Tar and other archival tools. It is extensible to support new
archival applications. archival applications.
* Open file and tape formats. If necessary, you can use standard * Open file and tape formats. If necessary, you can use standard
tools like mt and GNU Tar to recover data. tools like mt and GNU Tar to recover data.
* Backs up 32 and 64 bit Windows machines. * Backs up 32 and 64 bit Windows machines.
* Will back up multiple machines in parallel to a holding disk. Once * Will back up multiple machines in parallel to a holding disk. Once
a dump is complete, Amanda will copy finished dumps one by one to a dump is complete, Amanda will copy finished dumps one by one to
virtual tape on a disk or tape as fast as it can. For example: virtual tape on a disk or tape as fast as it can. For example:
* A 30 GB backup to virtual tape on disk may take less than 75 * A 30 GB backup to virtual tape on disk may take less than 75
minutes. minutes.
* A 41GB backup to AIT5 (25MB/s transfer) may take 40 minutes of * A 41GB backup to AIT5 (25MB/s transfer) may take 40 minutes of
tape time. tape time.
* Maintains a catalog of files being backed up and their location on * Maintains a catalog of files being backed up and their location on
the media. the media.
* Does tape management: e.g. Amanda will not overwrite the wrong * Does tape management: e.g. Amanda will not overwrite the wrong
tape. tape.
* For a restore, tells you what tapes you need, and finds the proper * For a restore, tells you what tapes you need, and finds the proper
backup image on the tape for you. backup image on the tape for you.
* Supports tape changers via a generic interface. Easily * Supports tape changers via a generic interface. Easily
customizable to any type of tape library, carousel, robot, customizable to any type of tape library, carousel, robot,
stacker, or virtual tape that can be controlled via the unix stacker, or virtual tape that can be controlled via the unix
command line. command line.
* Device API provides a pluggable interface to storage * Device API provides a pluggable interface to storage
devices. Bundled drivers support tapes and virtual tapes on disk, devices. Bundled drivers support tapes and virtual tapes on disk,
DVD-RW, RAIT, and Amazon S3. The bundled amvault can then copy to DVD-RW, RAIT, and Amazon S3. The bundled amvault can then copy to
removable media for off-site (D2D2T) or cloud storage (D2D2C). removable media for off-site (D2D2T) or cloud storage (D2D2C).
* Supports secure communication between server and client using * Supports secure communication between server and client using
OpenSSH, allowing secure backup of machines in a DMZ or out in the OpenSSH, allowing secure backup of machines in a DMZ or out in the
Internet. Internet.
* Can encrypt backup archives on Amanda client or on Amanda server * Can encrypt backup archives on Amanda client or on Amanda server
using GPG or any encryption program. using GPG or any encryption program.
* Can compress backup archives before sending or after sending over * Can compress backup archives before sending or after sending over
the network, with compress, gzip or a custom program. the network, with compress, gzip or a custom program.
* Supports Kerberos 5 security, including encrypted dumps. * Supports Kerberos 5 security, including encrypted dumps.
* Recovers gracefully from errors, including down or hung machines. * Recovers gracefully from errors, including down or hung machines.
* Reports results in detail, including all errors, via email. * Reports results in detail, including all errors, via email.
* Dynamically adjusts the backup schedule to keep within * Dynamically adjusts the backup schedule to keep within
constraints: no more juggling by hand when adding disks and constraints: no more juggling by hand when adding disks and
computers to your network. computers to your network.
* Backup normalization: Amanda schedules full and incremental * Backup normalization: Amanda schedules full and incremental
backups so you don't have to, and so as to spread the load across backups so you don't have to, and so as to spread the load across
the backup cycle. Amanda will intelligently promote a backup level the backup cycle. Amanda will intelligently promote a backup level
in case it is determines that is optimal for resources. in case it is determines that is optimal for resources.
* Includes a pre-run checker program, that conducts sanity checks on * Includes a pre-run checker program, that conducts sanity checks on
both the tape server host and all the client hosts (in parallel), both the tape server host and all the client hosts (in parallel),
and will send an e-mail report of any problems that could cause and will send an e-mail report of any problems that could cause
the backups to fail. the backups to fail.
* IPv6 friendly. * IPv6 friendly.
* Runs transparently from cron as needed. * Runs transparently from cron as needed.
* Span tapes, i.e. if a single backup is too large for one tape, * Span tapes, i.e. if a single backup is too large for one tape,
Amanda will split it and put the pieces on multiple tapes Amanda will split it and put the pieces on multiple tapes
automatically. automatically.
* Application API allows custom backups for applications such as * Application API allows custom backups for applications such as
relational databases, or for special file systems. relational databases, or for special file systems.
* Executes user-provided pre- and post-backup scripts, for, * Executes user-provided pre- and post-backup scripts, for,
e.g. enforcing database referential integrity. e.g. enforcing database referential integrity.
* Award-winning! Including: Linux Journal Readers' Choice Award. * Award-winning! Including: Linux Journal Readers' Choice Award.
* Lots of other options; Amanda is very configurable. * Lots of other options; Amanda is very configurable.
WHAT ARE THE SYSTEM REQUIREMENTS FOR AMANDA? ## What are the system requirements for AMANDA?
Amanda requires a host that has access to disks (local, NAS or SAN) or Amanda requires a host that has access to disks (local, NAS or SAN) or
a large capacity tape drive or library. All modern tape formats, a large capacity tape drive or library. All modern tape formats,
e.g. LTO, EXABYTE, DAT or DLT are supported. This becomes the "backup e.g. LTO, EXABYTE, DAT or DLT are supported. This becomes the "backup
server host". All the computers you are going to backup are the server host". All the computers you are going to backup are the
"backup client hosts". The server host can also be a client host. "backup client hosts". The server host can also be a client host.
Amanda works best with one or more large "holding disk" partitions on Amanda works best with one or more large "holding disk" partitions on
the server host available to it for buffering dumps before writing to the server host available to it for buffering dumps before writing to
tape. The holding disk allows Amanda to run backups in parallel to tape. The holding disk allows Amanda to run backups in parallel to
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the other hand, if those terabyte drives are partitioned into 50 GB the other hand, if those terabyte drives are partitioned into 50 GB
filesystems, they'll probably compress down to 25 GB and you'll only filesystems, they'll probably compress down to 25 GB and you'll only
need that much on your holding disk. Amanda will perform better with need that much on your holding disk. Amanda will perform better with
larger holding disks. larger holding disks.
Actually, Amanda will still work if you have full dumps that are Actually, Amanda will still work if you have full dumps that are
larger than the holding disk: Amanda will send those dumps directly to larger than the holding disk: Amanda will send those dumps directly to
tape one at a time. If you have many such dumps you will be limited tape one at a time. If you have many such dumps you will be limited
by the dump speed of those machines. by the dump speed of those machines.
WHAT SYSTEMS DOES AMANDA RUN ON? ## What systems does Amanda run on?
Amanda should run on any modern Unix system that supports dump or GNU Amanda should run on any modern Unix system that supports dump or GNU
tar, has sockets and inetd (or a replacement such as xinetd), and tar, has sockets and inetd (or a replacement such as xinetd), and
either system V shared memory, or BSD mmap implemented. either system V shared memory, or BSD mmap implemented.
In particular, Amanda has been compiled, and the client side tested on In particular, Amanda has been compiled, and the client side tested on
the following systems: the following systems:
AIX 3.2 and 4.1 AIX 3.2 and 4.1
BSDI BSD/OS 2.1 and 3.1 BSDI BSD/OS 2.1 and 3.1
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Windows: XP Pro (Server pack 2), 2003 server, Vista, 2008 Windows: XP Pro (Server pack 2), 2003 server, Vista, 2008
server R2, Windows 7 (*) server R2, Windows 7 (*)
(*) The Amanda server side is known to run on all of the other (*) The Amanda server side is known to run on all of the other
machines except on those marked with an asterisk. machines except on those marked with an asterisk.
Backup operations can be CPU and Memory intensive (e.g. for Backup operations can be CPU and Memory intensive (e.g. for
compression and encryption operations). It is recommended that you compression and encryption operations). It is recommended that you
have a server class CPU in the backup server. have a server class CPU in the backup server.
WHERE DO I GET AMANDA? ## Where do I get Amanda?
Amanda, including its source tree, is on SourceForge: Until early 2019 Amanda, including its source tree, was on SourceForge:
http://sourceforge.net/projects/amanda http://sourceforge.net/projects/amanda
Or see Since spring 2019 the main development of the community version happens on GitHu
http://www.amanda.org/download.php b:
https://github.com/zmanda/amanda
Or see http://www.amanda.org/download.php
Most Linux distributions include amanda rpms or debian packages Most Linux distributions include amanda rpms or debian packages
pre-built for various architectures. Pre-built binaries are also pre-built for various architectures. Pre-built binaries are also
available at: available at:
http://www.zmanda.com/download-amanda.php http://www.zmanda.com/download-amanda.php
HOW DO I GET AMANDA UP AND RUNNING? ## How do I get Amanda up and running?
Read the file docs/INSTALL. There are a variety of steps, from Read the file docs/INSTALL. There are a variety of steps, from
compiling Amanda to installing it on the backup server host and the compiling Amanda to installing it on the backup server host and the
client machines. client machines.
docs/INSTALL contains general installation instructions. docs/INSTALL contains general installation instructions.
docs/NEWS details new features in each release. docs/NEWS details new features in each release.
You can read Amanda documentation at: You can read Amanda documentation at:
http://www.amanda.org http://www.amanda.org
and at the Amanda wiki: and at the Amanda wiki:
http://wiki.zmanda.com http://wiki.zmanda.com
## Who do I talk to if I have a problem?
* You may file Issues at GitHub:
WHO DO I TALK TO IF I HAVE A PROBLEM? https://github.com/zmanda/amanda/issues
You can get Amanda help and questions answered from the mailing lists and * You can get Amanda help and questions answered from the mailing lists and
Amanda forums: Amanda forums.
==> To join a mailing list, DO NOT, EVER, send mail to that list. Send Check http://www.amanda.org/support/mailinglists.php
mail to <listname>-request@amanda.org, or amanda-lists@amanda.org,
with the following line in the body of the message:
subscribe <listname> <your-email-address>
You will receive an email acknowledging your subscription. Keep for instructions how to subscribe.
it. Should you ever wish to depart our company, it has unsubscribe
and other useful information. You will receive an email acknowledging your subscription. Keep
it. Should you ever wish to depart our company, it has unsubscribe
and other useful information.
* amanda-announce
amanda-announce
The amanda-announce mailing list is for important announcements The amanda-announce mailing list is for important announcements
related to the Amanda Network Backup Manager package, including new related to the Amanda Network Backup Manager package, including new
versions, contributions, and fixes. NOTE: the amanda-users list is versions, contributions, and fixes. NOTE: the amanda-users list is
itself on the amanda-announce distribution, so you only need to itself on the amanda-announce distribution, so you only need to
subscribe to one of the two lists, not both. subscribe to one of the two lists, not both.
To subscribe, send a message to amanda-announce-request@amanda.org. To subscribe, send a message to amanda-announce-request@amanda.org.
amanda-users * amanda-users
The amanda-users mailing list is for questions and general discussion The amanda-users mailing list is for questions and general discussion
about the Amanda Network Backup Manager. NOTE: the amanda-users list about the Amanda Network Backup Manager. NOTE: the amanda-users list
is itself on the amanda-announce distribution, so you only need to is itself on the amanda-announce distribution, so you only need to
subscribe to one of the two lists, not both. subscribe to one of the two lists, not both.
To subscribe, send a message to amanda-users-request@amanda.org. To subscribe, send a message to amanda-users-request@amanda.org.
amanda-hackers * amanda-hackers
The amanda-hackers mailing list is for discussion of the The amanda-hackers mailing list is for discussion of the
technical details of the Amanda package, including extensions, technical details of the Amanda package, including extensions,
ports, bugs, fixes, and alpha testing of new versions. ports, bugs, fixes, and alpha testing of new versions.
To subscribe, send a message to amanda-hackers-request@amanda.org. To subscribe, send a message to amanda-hackers-request@amanda.org.
Amanda forums: http://forums.zmanda.com Amanda forums: http://forums.zmanda.com
Amanda Platform Experts: http://wiki.zmanda.com/index.php/Platform_Experts Amanda Platform Experts: http://wiki.zmanda.com/index.php/Platform_Experts
Backup, Share and Enjoy, Backup, Share and Enjoy,
The Amanda Development Team The Amanda Development Team, 2019
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