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-Amanda, The Advanced Maryland Automatic Network Disk Archiver
-Copyright (c) 1991-1998 University of Maryland at College Park
-All Rights Reserved.
-
-See the files COPYRIGHT, COPYRIGHT-REGEX and COPYRIGHT-APACHE for
-distribution conditions and official warranty disclaimer.
-
-PLEASE NOTE: THIS SOFTWARE IS BEING MADE AVAILABLE ``AS-IS''. UMD is making
-this work available so that other people can use it. This software is in
-production use at our home site - the UMCP Department of Computer Science -
-but we make no warranties that it will work for you. Amanda development is
-unfunded - the development team maintains the code in their spare time. As a
-result, there is no support available other than users helping each other on
-the Amanda mailing lists. See below for information on the mailing lists.
-
-
-WHAT IS AMANDA?
----------------
-
This is a release of Amanda, the Advanced Maryland Automatic
-Network Disk Archiver. Amanda is a backup system designed to archive many
-computers on a network to a single large-capacity tape drive.
-
-Here are some features of Amanda:
-
- * written in C, freely distributable.
- * built on top of standard backup software: Unix dump/restore, GNU Tar
- and others.
- * will back up multiple machines in parallel to a holding disk, blasting
- finished dumps one by one to tape as fast as we can write files to
- tape. For example, a ~2 Gb 8mm tape on a ~240K/s interface to a host
- with a large holding disk can be filled by Amanda in under 4 hours.
- * does simple tape management: will not overwrite the wrong tape.
- * supports tape changers via a generic interface. Easily customizable to
- any type of tape carousel, robot, or stacker that can be controlled via
- the unix command line.
- * supports Kerberos 4 security, including encrypted dumps. The Kerberos
- support is available as a separate add-on package, see the file
- KERBEROS.HOW-TO-GET on the ftp site, and the file docs/KERBEROS in this
- package, for more details.
- * for a restore, tells you what tapes you need, and finds the proper
- backup image on the tape for you.
- * recovers gracefully from errors, including down or hung machines.
- * reports results, including all errors in detail, in email.
- * will dynamically adjust backup schedule to keep within constraints: no
- more juggling by hand when adding disks and computers to network.
- * includes a pre-run checker program, that conducts sanity checks on 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 the backups to
- fail.
- * can compress dumps before sending or after sending over the net, with
- either compress or gzip.
- * can optionally synchronize with external backups, for those large
- timesharing computers where you want to do full dumps when the system
- is down in single-user mode (since BSD dump is not reliable on active
- filesystems): Amanda will still do your daily dumps.
- * lots of other options; Amanda is very configurable.
-
-
-WHAT ARE THE SYSTEM REQUIREMENTS FOR AMANDA?
---------------------------------------------
-
-Amanda requires a host that is mostly idle during the time backups are
-done, with a large capacity tape drive (e.g. an EXABYTE, DAT or DLT tape).
-This becomes the "tape server host". All the computers you are going to dump
-are the "backup client hosts". The server host can also be a client host.
-
-Amanda works best with one or more large "holding disk" partitions on the
-server host available to it for buffering dumps before writing to tape.
-The holding disk allows Amanda to run backups in parallel to the disk, only
-writing them to tape when the backup is finished. Note that the holding
-disk is not required: without it Amanda will run backups sequentially to
-the tape drive. Running it this way kills the great performance, but still
-allows you to take advantage of Amanda's other features.
-
-As a rule of thumb, for best performance the holding disk should be larger
-than the dump output from your largest disk partitions. For example, if
-you are backing up some full gigabyte disks that compress down to 500 MB,
-then you'll want 500 MB on your holding disk. On the other hand, if those
-gigabyte drives are partitioned into 500 MB filesystems, they'll probably
-compress down to 250 MB and you'll only need that much on your holding
-disk. Amanda will perform better with larger holding disks.
-
-Actually, Amanda will still work if you have full dumps that are 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 by the dump speed
-of those machines.
-
-Amanda does not yet support single backup images larger than a tape.
-
-
-WHAT SYSTEMS DOES AMANDA RUN ON?
---------------------------------
-
-Amanda should run on any modern Unix system that supports dump or GNU
-tar, has sockets and inetd, and either system V shared memory, or BSD
-mmap implemented.
-
-In particular, Amanda 2.4.1p1 has been compiled, and the client side tested
-on the following systems:
- AIX 3.2 and 4.1
- BSDI BSD/OS 2.1 and 3.1
- DEC OSF/1 3.2 and 4.0
- FreeBSD 2.2.5
- IRIX 5.2 and 6.3
- GNU/Linux on x86, alpha, sparc, arm and powerpc
- NetBSD 1.0
- Nextstep 3 (*)
- OpenBSD 2.5 x86, sparc, etc (ports available)
- SunOS 4.1.x (x >= 1) and 5.[567]
- Ultrix 4.2
- HP-UX 9.x and 10.x (x >= 01)
-
-The Amanda 2.4.1p1 server side is known to run on all of the other
-machines except on those marked with an asterisk.
-
-If you know of any system that is not listed here on which amanda
-builds successfully, either client&server or client-only, please
-report to amanda-hackers@amanda.org.
-
-
-WHERE DO I GET AMANDA?
-----------------------
-
-There are several versions of Amanda. The latest version at the time
-of this writing is available at:
-
- ftp://ftp.amanda.org/pub/amanda
-
-
-HOW DO I GET AMANDA UP AND RUNNING?
------------------------------------
-
-Read the file docs/INSTALL. There are a variety of steps, from compiling
-Amanda to installing it on the tape server host and the client machines.
- docs/INSTALL contains general installation instructions.
- docs/SYSTEM.NOTES contains system-specific information.
- docs/FAQ contains answers to frequently asked questions.
- docs/KERBEROS explains installation under Kerberos 4.
- docs/TAPE.CHANGERS explains how to customize the changer interface.
- docs/WHATS.NEW details new features.
-
-
-WHO DO I TALK TO IF I HAVE A PROBLEM?
--------------------------------------
-
-Amanda is completely unsupported and made available as-is. However,
-you may be able to get useful information in the Amanda mailing lists:
-
-==> To join a mailing list, DO NOT, EVER, send mail to that list. Send
- 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>
-
-
- amanda-announce
- The amanda-announce mailing list is for important announcements
- related to the Amanda Network Backup Manager package, including new
- versions, contributions, and fixes. NOTE: the amanda-users list is
- itself on the amanda-announce distribution, so you only need to
- subscribe to one of the two lists, not both.
- To subscribe, send a message to amanda-announce-request@amanda.org.
-
- amanda-users
- The amanda-users mailing list is for questions and general discussion
- about the Amanda Network Backup Manager. This package and related
- files are available via anonymous FTP from ftp.amanda.org in the
- pub/amanda directory. NOTE: the amanda-users list is itself on the
- amanda-announce distribution, so you only need to subscribe to one of
- the two lists, not both.
- To subscribe, send a message to amanda-users-request@amanda.org.
-
- amanda-hackers
- The amanda-hackers mailing list is for discussion of the
- technical details of the Amanda package, including extensions,
- ports, bugs, fixes, and alpha testing of new versions.
- To subscribe, send a message to amanda-hackers-request@amanda.org.
-
-
-Share and Enjoy,
-The Amanda Development Team
+Network Disk Archiver. Amanda is a backup system designed to
+archive many computers on a network to a single large-capacity
+tape drive.