09-08-2007
Using USB Memory Sticks to backup
I'm trying to set up a RELIABLE backup routine using several USB memory sticks on a SCO 6 Server.
Does anybody have any experience of how to do this? I presume I have to mount the memory stick, copy the files to it & then unmount the stick so that another memory stick could be used for the next backup. Or is there an easy routine to set up to do incremental backups to the same memory stick?
I've had a go at doing this but my server seems to 'freeze' for a long time while copying the files - I would have expected this routine to be very quick because it has no 'mechanical access' at all and just relies on the 'electronics'.
Another problem I've had is that if the memory sticks are not mounted and unmounted correctly the copied file structure becomes corrupt with 'phantom' directories of files etc. and access problems to the memory stick - anybody else any experience of this and how to overcome it?
If anybody has written a routine from the # prompt and is willing to share I would gratefully receive!
Thanks in anticipation!
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LEARN ABOUT DEBIAN
svn-fast-backup
svn-fast-backup(1) General Commands Manual svn-fast-backup(1)
NAME
svn-fast-backup - very fast backup for Subversion fsfs repositories.
SYNOPSIS
svn-fast-backup [-q] [-k{N|all}] [-f] [-t] [-s] repos_path backup_dir
DESCRIPTION
svn-fast-backup uses rsync snapshots for very fast backup of a Subversion fsfs repository at repos_path to backup_dir/repos-rev, the latest
revision number in the repository. Multiple fsfs backups share data via hardlinks, so old backups are almost free, since a newer revision
of a repository is almost a complete superset of an older revision.
This is good for replacing incremental log-dump+restore-style backups because it is just as space-conserving and even faster; there is no
inter-backup state (old backups are essentially caches); each backup directory is self-contained. It has the same command-line interface
as svn-hot-backup(1) (if you use --force), but only works for fsfs repositories.
svn-fast-backup keeps 64 backups by default and deletes backups older than these; this can be adjusted with the -k option.
OPTIONS
-h, --help
Shows some brief help text.
-q, --quiet
Quieter-than-usual operation.
-k, --keep=N
Keep a specified number of backups; the default is to keep 64.
-k, --keep=all
Do not delete any old backups at all.
-f, --force
Make a new backup even if one with the current revision exists.
-t, --trace
Show actions.
-s, --simulate
Don't perform actions.
AUTHOR
Voluntary contributions made by many individuals. Copyright (C) 2006 CollabNet.
2006-11-09 svn-fast-backup(1)