I'm urgently trying to recover some files which Amanda
isn't
giving to me. I started using amrecover and
everything was
until I hit this:
Extracting files using tape drive /dev/nst0 on host
vedder.
The following tapes are needed: tape01
Restoring files into directory /tmp
Continue? [Y/n]: Y
Load tape tape01 now
Continue? [Y/n]: Y
EOF, check amidxtaped.debug file on vedder.
amrecover: short block 0 bytes
UNKNOWN file
amrecover: Can't read file header
extract_list - child returned non-zero status: 1
Continue? [Y/n]:
amrecover> quit
200 Good bye.
-----
This is the right tape and I know that Amanda knows
the files are here
because amadmin's find option told me so. I looked at
amidxtaped.debug.
Here's the contents of amidxtaped.debug:
amidxtaped: debug 1 pid 27645 ruid 2006 euid 2006
start time Mon Jul 15 10:53:35
2002
amidxtaped: version 2.4.2p1
> SECURITY USER root
bsd security: remote host vedder user root local user
amanda
amandahosts security check passed
> 6
amrestore_nargs=6
> -h
> -p
> /dev/nst0
> vedder
> ^/usr/local/cvs-public$
> 20020714
Ready to execv amrestore with:
path = /usr/sbin/amrestore
argv[0] = "amrestore"
argv[1] = "-h"
argv[2] = "-p"
argv[3] = "/dev/nst0"
argv[4] = "vedder"
argv[5] = "^/usr/local/cvs-public$"
argv[6] = "20020714"
amrestore: 0: skipping start of tape: date 20020714
label tape01
amrestore: 1: skipping vedder._var_mail.20020714.0
amrestore: 2: skipping keenan._etc.20020714.0
amrestore: 3: skipping hendrix._home1.20020714.0
amidxtaped: amrestore terminated normally with status:
0
Rewinding tape: done
amidxtaped: pid 27645 finish time Mon Jul 15 10:53:55
2002
-----
Only three file systems on this tape? I don't think
so. Amanda emailed
me it's report and said there were 21 file systems
dumped (with no
errors). This prompted me to look at the tape myself
and read
Amanda's headers using these commands:
amanda@vedder:/tmp/amanda> mt -f /dev/nst0 rewind
amanda@vedder:/tmp/amanda> mt -f /dev/nst0 fsf 1 ; dd
if=/dev/nst0 bs=32k count=1
AMANDA: FILE 20020714 vedder /var/mail lev 0 comp .gz
program /bin/tar
To restore, position tape at start of file and run:
dd if=<tape> bs=32k skip=1 | /bin/gzip -dc |
bin/tar -f... -
1+0 records in
1+0 records out
amanda@vedder:/tmp/amanda> mt -f /dev/nst0 fsf 1 ; dd
if=/dev/nst0 bs=32k count=1
AMANDA: FILE 20020714 keenan /etc lev 0 comp .gz
program /usr/local/bin/tar
To restore, position tape at start of file and run:
dd if=<tape> bs=32k skip=1 |
/usr/local/bin/gzip -dc | usr/local/bin/tar -f... -
1+0 records in
1+0 records out
amanda@vedder:/tmp/amanda> mt -f /dev/nst0 fsf 1 ; dd
if=/dev/nst0 bs=32k count=1
AMANDA: FILE 20020714 hendrix /home1 lev 0 comp .gz
program /usr/local/bin/tar
To restore, position tape at start of file and run:
dd if=<tape> bs=32k skip=1 |
/usr/local/bin/gzip -dc | usr/local/bin/tar -f... -
1+0 records in
1+0 records out
mt -f /dev/nst0 fsf 1 ; dd if=/dev/nst0 bs=32k count=1
AE@D@0@HD 00000504 iz.nmemix.cmm
/var/www/htdocs/papers lev 0 comp .gz program /bin/tar
To restore, position tape at start of file and run:
dd if=<tape> bs=32k skip=1 | /bin/gzip -dc |
bin/tar -f... -
1+0 records in
1+0 records out
amanda@vedder:/tmp/amanda> mt -f /dev/nst0 fsf 1 ; dd
if=/dev/nst0 bs=32k count=1
AMANDA: FILE 20020714 marley /etc lev 0 comp .gz
program /bin/tar
To restore, position tape at start of file and run:
dd if=<tape> bs=32k skip=1 | /bin/gzip -dc |
bin/tar -f... -
1+0 records in
1+0 records out
<snip>
amanda@vedder:/tmp/amanda> mt -f /dev/nst0 fsf 1 ; dd
if=/dev/nst0 bs=32k count=1
AMANDA: FILE 20020714 vedder /usr/local/cvs-public lev
0 comp .g pbgb`a "`h.$``D `apdb`$ `ca``in ``` `
p``p f `hd$ `d$ ptd$ `$<4t`pe< bq=32( siip=1 |
/bin/gzip -dc | bin/tar -f... -
1+0 records in
1+0 records out
-----
Seems like amrecover failed on iz because of
"AE@D@0@HD?"
I assume it should read "AMANDA: FILE."
This is the the only garbled header. There are a few
normal looking
headers after this then another garbled header (on the
machine vedder).
Assuming this the source of my problems, why is this
happening?
How can I fix it?
Any help is much appreciated!
Thanks,
Terry
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