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Hi folks,
(WARNING: long message, in an attempt to be complete. Sorry for the verbosity,
if it turns out to be unnecessary.)
It's been a while since I've deployed AMANDA, and I need a little help with a
personal backup rig, since thinking about this problem is distracting me from
my _real_ work...
For those possessed of godlike depth-of-knowledge, here's the executive
summary: SSH auth works, amcheck seems happy, amdump produces "planner: ERROR
Request to zoe.x.noiseplant.com failed: EOF on read from zoe.x.noiseplant.com",
planner plans nothing. What's going wrong?
Here are the details...
All hosts are running CentOS (RHEL) 5.3, authenticating with SSH; AMANDA
2.5.0p4:
[root@inara ~]# rpm -qa | grep amanda
amanda-server-2.5.0p2-4
amanda-client-2.5.0p2-4
amanda-2.5.0p2-4
[root@zoe ~]# rpm -qa | grep amanda
amanda-2.5.0p2-4 # One of these is the i386 version...
amanda-2.5.0p2-4 # ...and one is the x86_64 version.
amanda-client-2.5.0p2-4 # I've confirmed this to be the x86_64 version.
"inara" (32-bit CentOS) is the AMANDA server, "zoe" (64-bit CentOS) is the only
client so far, and the only disklist entry (for simplicity) is /etc:
[root@inara ~]# cat /etc/amanda/NOISEPLANT/disklist
zoe.x.noiseplant.com /etc comp-user-tar
All the "SSHness" works fine, (i.e., amanda@inara can log as amanda@zoe), and
the key is restricted thus:
[root@zoe ~]# cat ~amanda/.ssh/authorized_keys2
no-port-forwarding,no-X11-forwarding,no-agent-forwarding,command="/usr/lib64/amanda/amandad
-auth=ssh amdump",from="10.168.88.10" ssh-dss ... amanda@inara
.amandahosts files are configured per Red Hat's docs[1][2]:
[root@inara ~]# cat ~amanda/.amandahosts
localhost amanda
localhost.localdomain amanda
zoe.x.noiseplant.com root
[root@zoe ~]# cat ~amanda/.amandahosts
inara.x.noiseplant.com amanda
Each can resolve the other forwards and backwards, in DNS:
[root@inara ~]# dig +short zoe.x.noiseplant.com
10.168.77.3
[root@inara ~]# dig +short -x 10.168.77.3
zoe.x.noiseplant.com.
[root@zoe ~]# dig +short inara.x.noiseplant.com
10.168.88.10
[root@zoe ~]# dig +short -x 10.168.88.10
inara.x.noiseplant.com.
Services are enabled and xinetd has been reloaded:
[root@inara ~]# for s in amanda amandaidx amidxtape xinetd; do chkconfig --list
$s; done
amanda on
amandaidx on
amidxtape on
xinetd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
[root@zoe ~]# for s in amanda xinetd; do chkconfig --list $s; done
amanda on
xinetd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
The profile name is "NOISEPLANT", and I'm using virtual tapes on inara's local
disk. Here's the output of 'amcheck':
[root@inara ~]# su -c 'amcheck NOISEPLANT' amanda
Amanda Tape Server Host Check
- -----------------------------
Holding disk /dumps/amanda: 33501072 KB disk space available, using 33398672 KB
slot 5: read label `NOISEPLANT-5', date `20090413'
slot 6: read label `NOISEPLANT-6', date `X'
NOTE: skipping tape-writable test
Tape NOISEPLANT-6 label ok
NOTE: info dir /etc/amanda/NOISEPLANT/curinfo: does not exist
NOTE: it will be created on the next run.
NOTE: index dir /etc/amanda/NOISEPLANT/index: does not exist
NOTE: it will be created on the next run.
Server check took 0.179 seconds
Amanda Backup Client Hosts Check
- --------------------------------
Client check: 1 host checked in 1.918 seconds, 0 problems found
(brought to you by Amanda 2.5.0p2)
And here's what I get when running "su -c 'amdump NOISEPLANT' amanda":
[excerpt]
- ----- Forwarded Message -----
From: "Amanda user" <[email protected]>
To: root AT noiseplant DOT com
Sent: Monday, April 13, 2009 10:40:18 AM GMT -05:00 US/Canada Eastern
Subject: NOISEPLANT AMANDA MAIL REPORT FOR April 13, 2009
These dumps were to tape NOISEPLANT-5.
The next tape Amanda expects to use is: a new tape.
The next new tape already labelled is: NOISEPLANT-6.
FAILURE AND STRANGE DUMP SUMMARY:
zoe.x.noiseplant.com /etc RESULTS MISSING
planner: ERROR Request to zoe.x.noiseplant.com failed: EOF on read from
zoe.x.noiseplant.com
STATISTICS:
Total Full Incr.
-------- -------- --------
Estimate Time (hrs:min) 0:00
[snip]
NOTES:
planner: Adding new disk zoe.x.noiseplant.com:/etc.
driver: WARNING: got empty schedule from planner
taper: tape NOISEPLANT-5 kb 0 fm 0 [OK]
DUMP SUMMARY:
DUMPER STATS TAPER STATS
HOSTNAME DISK L ORIG-KB OUT-KB COMP% MMM:SS KB/s MMM:SS KB/s
- -------------------------- ------------------------------------- -------------
zoe.x.noisep /etc MISSING -------------------------------------------
[end excerpt]
If I run 'planner' manually, here's what I see:
[root@inara ~]# su -c '/usr/lib/amanda/planner NOISEPLANT' amanda
planner: pid 14178 executable /usr/lib/amanda/planner version 2.5.0p2
planner: build: VERSION="Amanda-2.5.0p2"
[snip]
READING CONF FILES...
planner: time 0.007: startup took 0.007 secs
SENDING FLUSHES...
ENDFLUSH
ENDFLUSH
SETTING UP FOR ESTIMATES...
planner: time 0.008: setting up estimates for zoe.x.noiseplant.com:/etc
zoe.x.noiseplant.com:/etc overdue 14348 days for level 0
setup_estimate: zoe.x.noiseplant.com:/etc: command 0, options: none
last_level -1 next_level0 -14348 level_days 0 getting estimates 0 (-2) -1
(-2) -1 (-2)
planner: time 0.009: setting up estimates took 0.000 secs
GETTING ESTIMATES...
planner: time 1.273: getting estimates took 1.263 secs
FAILED QUEUE: empty
DONE QUEUE: empty
ANALYZING ESTIMATES...
INITIAL SCHEDULE (size 2064):
DELAYING DUMPS IF NEEDED, total_size 2064, tape length 102400000 mark 1000
delay: Total size now 2064.
PROMOTING DUMPS IF NEEDED, total_lev0 0, balanced_size 0...
planner: time 1.274: analysis took 0.000 secs
GENERATING SCHEDULE:
- --------
- --------
What newb mistake am I making? Is this a "32-bit vs. 64-bit" issue? Thanks in
advance for any suggestions, and for letting me get this off my chest, so I can
pay better attention to...well...my paying gig. ;-)
Cheers,
- -sth
[1] http://kbase.redhat.com/faq/docs/DOC-2524
[2] http://kbase.redhat.com/faq/docs/DOC-2457
sam hooker|sth AT noiseplant DOT com|http://www.noiseplant.com
"The hurrier, the speed."
-Anon.
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