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List: gentoo-dev
Subject: [gentoo-dev] Backing up your Linux Machines
From: "Lonney Harper [IS/NHL]" <lonneyh () nhl ! co ! nz>
Date: 2002-02-27 1:13:12
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Hi,
I actually solved my problem seconds before I was about to send this email,
I used winzip to untar the backup script files into a samba share on the
Linux server and got the errors below, I then used tar on the Linux box to
untar and the scripts worked.
We will only backup /home /root /var/www and /etc. We have a policy of
rebuilding machines from scratch and restoring the 'userdata' from tape if
a system has a total disk fail.... I will continue to experiment with
different options and have a go at restoring a complete system from tape
with star on the test box... but need to learn more about restoring grub n
stuff... actually that's a hole gray area not covered, not to worry I enjoy
a Linux challenge as you learn better that way :)
I didn't find Linux Tape Cert very useful, for DLT drives I couldn't find
anything on block size, Quantum suggest 128k or at least 64k
There is at least one error, page 20 - A simple verify: # star -tv -f
bs=[blocksize] /dev/nst0 should read # star -tv bs=[blocksize] -f /dev/nst0
( -f is in the wrong place :)
Apart from that I found your Article extremely practical, in the past we
just used dump as that's what we use on our DEC Alpha's (vdump) we will most
likely make the change to Star for our production Linux/Samba file servers.
Good to see someone finally writing some decent doco for Linux, keep it up
:)
(original message)
I have been using your article on IBM dW to test as a better backup solution
for our Linux systems.
I am testing with RedHat Linux 7.2 (ext3fs) and a DLT TZ88 Tape drive
(20/40gb) we use only DLT for their robustness.
all your example commands work nice, I made one small change, a sym link
called /dev/tape that points to /dev/nst0, mt expects /dev/tape if you don't
tell it what device, saves a bit of typing when playing around.
when I try to run your backup scripts I get errors, unfortunately I not much
of a script wizard.
here is the output of the unmodified scripts
[root@whg-data2-t backup-tools-1.0]# ls
backup backup-tools.sh
[root@whg-data2-t backup-tools-1.0]# ./backup
: command not found
: No such file or directory
: command not found
'/backup: line 6: syntax error near unexpected token `{
'/backup: line 6: `bt_backup() {
[root@whg-data2-t backup-tools-1.0]#
________________________________________________
Lonney Harper
Computer Operations
Information Systems
Northland District Health Board
Whangarei
New Zealand
+64 9 430 4100
lonneyh@nhl.co.nz
http://www.northlanddhb.org.nz/
[Attachment #5 (text/html)]
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<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 5.50.4912.300" name=GENERATOR></HEAD>
<BODY>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002>Hi,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>I actually solved my
problem seconds before I was about to send this email, I used winzip to untar
the backup script files into a samba share on the Linux server and got the
errors below, I then used tar on the Linux box to untar and the scripts worked.
</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>We will only backup
/home /root /var/www and /etc. We have a policy of rebuilding machines from
scratch and restoring the 'userdata' from tape if a system has a total
disk fail.... I will continue to experiment with different options and have a go
at restoring a complete system from tape with star on the test box... but need
to learn more about restoring grub n stuff... actually that's a hole gray area
not covered, not to worry I enjoy a Linux challenge as you learn better that way
:)</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>I didn't find Linux
Tape Cert very useful, for DLT drives I couldn't find anything on block size,
Quantum suggest 128k or at least 64k</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>There is at least
one error, page 20 - A simple verify: # star -tv <STRONG>-f</STRONG>
bs=[blocksize] /dev/nst0 should read # star -tv bs=[blocksize]
<STRONG>-f</STRONG> /dev/nst0 ( -f is in the wrong place :)</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>Apart from that I
found your Article <STRONG>extremely practical</STRONG>, in the past we just
used dump as that's what we use on our DEC Alpha's (vdump) we will most likely
make the change to Star for our production Linux/Samba file servers. Good to see
someone finally writing some decent doco for Linux, keep it up
:)</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>(original
message)</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>I have been using
your article on IBM dW to test as a better backup solution for our Linux
systems.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>I am testing with
RedHat Linux 7.2 (ext3fs) and a DLT TZ88 Tape drive (20/40gb) we use only DLT
for their robustness.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>all your example
commands work nice, I made one small change, a sym link called /dev/tape that
points to /dev/nst0, mt expects /dev/tape if you don't tell it what device,
saves a bit of typing when playing around.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>when I try to run
your backup scripts I get errors, unfortunately I not much of a script
wizard.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>here is the output
of the unmodified scripts</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=120111700-27022002></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=120111700-27022002>[root@whg-data2-t
backup-tools-1.0]# ls<BR>backup backup-tools.sh<BR>[root@whg-data2-t
backup-tools-1.0]# ./backup<BR>: command not found<BR>: No such file or
directory<BR>: command not found<BR>'/backup: line 6: syntax error near
unexpected token `{<BR>'/backup: line 6: `bt_backup() {<BR>[root@whg-data2-t
backup-tools-1.0]#<BR></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial
size=2>________________________________________________</FONT></DIV>
<DIV><FONT face=Arial size=2>Lonney Harper</FONT></DIV>
<DIV><FONT face=Arial size=2>Computer Operations</FONT></DIV>
<DIV><FONT face=Arial size=2>Information Systems</FONT></DIV>
<DIV><FONT face=Arial size=2>Northland District Health Board</FONT></DIV>
<DIV><FONT face=Arial size=2>Whangarei</FONT></DIV>
<DIV><FONT face=Arial size=2>New Zealand</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>+64 9 430 4100</FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="mailto:lonneyh@nhl.co.nz">lonneyh@nhl.co.nz</A></FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.northlanddhb.org.nz/">http://www.northlanddhb.org.nz/</A></FONT></DIV>
<DIV> </DIV></BODY></HTML>
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