absolutely_free@libero.it | 9 Oct 15:14 2014
Picon

R: Re: Child exited prematurely

Hi Micha,

yes you are right, I am using rsync over ssh.
If I try connection from backuppc server to host, connection works fine.
Additionally, I have several "share" configured on this host, and I have 
problem just with one of them.
Strange :(

>----Messaggio originale----
>Da: micha <at> kovoks.nl
>Data: 03/10/2014 10.05
>A: "absolutely free"<absolutely_free <at> libero.it>, "General list for user 
discussion, questions and support"<backuppc-users <at> lists.sourceforge.net>
>Ogg: Re: [BackupPC-users] Child exited prematurely
>
>Hi,
>
>I guess you are using the rsync over ssh option to make backups?
> 
>it's quite hard to debug this, but 9 out of 10 times its the ssh / rsync 
connection that is failing. Login on the backuppc server, become the backuppc 
user and try to make an connection manualy via f.e. ssh
>
>Met vriendelijke groet,
>
>Micha Kersloot
>
>Blijf op de hoogte en ontvang de laatste tips over Zimbra/KovoKs Contact:
>http://twitter.com/kovoks
>
(Continue reading)

Mauro Condarelli | 9 Oct 13:54 2014
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BackupPC on Synolgy NAS

Hi,
I found an old thread (starting at http://sourceforge.net/p/backuppc/mailman/message/27515025/) discussing BackupPC on NAS.

I am in the process to select a very small NAS for SOHO/Home usage; I'm currently looking at Synology DS414j.
I do not need a very high throughput and I would like to run BackupPC directly on the NAS itself, if at all possible.
It seems someone (Tomasz Pawlik) managed to install it on a lowly Synology DS110j, so I have hopes ;)

Question is:
Does anyone have experience on this?
If so, would he share knowledge avoiding me the effort of reinventing the wheel yet another time?

My target would be to package BackupPC into a Synology Package for easier deployment.

I am currently testing with an old Synolgy DS209 sharing the POOL via NFS and a linux server running BackupPC,
but aim is to backup its contents and a bunch of other PCs (Win&Linux) on the new NAS.

Regards
Mauro
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HAL9000 | 8 Oct 17:48 2014

"protocol version mismatch -- is your shell clean?"

Here is the command backuppc is running and when is returned if I run it in the shell as the backuppc user. 

" /usr/bin/ssh -o ServerAliveInterval=300 -p 222 -q -x -l Administrator [DOMAIN] /usr/bin/rsync
--server --sender --numeric-ids --perms --owner --group -D --links --hard-links --times
--block-size=2048 --recursive --checksum-seed=32761 --rsh=\\\'ssh\\\ -p222\\\' --ignore-times . /cygdrive/g/ptree/
"

The character returned is apparently a question mark according to starpage.com and even though it is
included in the about output, is not showng up here. This is occurring on Ubuntu 14.04 server and
everything is uptodate. Cygwin on the remote machine is also up to date. We also have a CentOS 6.5 machine
running the exact same command without any problems whatsoever.

Just now after pressing enter a few time I managed to get another error message to come out after the strange
question mark glyph:

"protocol version mismatch -- is your shell clean?
(see the rsync man page for an explanation)
rsync error: protocol incompatibility (code 2) at
/home/lapo/package/rsync-3.0.9-1/src/rsync-3.0.9/compat.c(174) [sender=3.0.9]"

I've gone ahead and tried to check and see if my shell is clean myself and it appears to be so. The following
command returns nothing in the text file. 

rsh remotehost /bin/true > out.dat

Neither does this one:

ssh Administrator <at> r{DOMAIN] -p222 false

And rsync is indeed on the other end. 

"ssh Administrator <at> [DOMAIN] -p222 "rsync --version"
rsync  version 3.0.9  protocol version 30
Copyright (C) 1996-2011 by Andrew Tridgell, Wayne Davison, and others.
Web site: http://rsync.samba.org/
Capabilities:
    64-bit files, 64-bit inums, 32-bit timestamps, 64-bit long ints,
    no socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace,
    append, ACLs, xattrs, iconv, symtimes

rsync comes with ABSOLUTELY NO WARRANTY.  This is free software, and you
are welcome to redistribute it under certain conditions.  See the GNU
General Public Licence for details."

Does anyone here know how to correct this?

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absolutely_free@libero.it | 3 Oct 09:54 2014
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Child exited prematurely

Hi, 
I got this error:

The following hosts had an error that is probably caused by a 
misconfiguration.  Please fix these hosts:
  - server.domain.com (Child exited prematurely)

Regards,
PC Backup Genie

I am sure that is it not a configuration issue (I never changed conf file).
Through BackupPC web interface I got this:

[ skipped 864487 lines ]
Parent read EOF from child: fatal error!
Done: 0 files, 0 bytes
Got fatal error during xfer (Child exited prematurely)
Backup aborted (Child exited prematurely)
Not saving this as a partial backup since it has fewer files than the prior 
one (got 11 and 0 files versus 11)

How can I determine what caused this problem?

Thank you

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Dr. Boris Neubert | 29 Sep 20:16 2014
Picon

Backup over slow link: endless loop or just missing patience?

Hello,

I have a virtual private server hosted at my internet provider. System is CentOS 6.5 with BackupPC 3.3.0.

I use it as offsite backup facility for the most important data on my local NAS. I partioned the data such that each "host" corresponds to one logical data set, like code repository, document storage, etc. of - as I thought - not too big size.

The uplink is a slow DSL line with a maximum of 640 kBit/s towards the BackupPC server. BackupPC server is connected to NAS via openVPN. Transfer method is rsyncd.

Largest data set ("host") so far was about 1 GB. It took a few days to complete the first full backup. Since then daily incrementals and weekly fulls run smoothly.

Next data set added was my home directory with 15 GB. Attempts to complete the first full backup have been lasting 8 days for now. Log says:
2014-09-21 13:04:52 full backup started for directory users-neubert 2014-09-22 22:21:47 Aborting backup up after signal ALRM 2014-09-22 22:21:48 Got fatal error during xfer (aborted by signal=ALRM) 2014-09-22 22:21:48 Saved partial dump 0 2014-09-22 22:22:42 full backup started for directory users-neubert 2014-09-23 18:43:46 Aborting backup up after signal ALRM 2014-09-23 18:43:47 Got fatal error during xfer (aborted by signal=ALRM) 2014-09-23 18:43:47 full backup started for directory users-neubert 2014-09-24 15:03:35 Aborting backup up after signal ALRM 2014-09-24 15:03:36 Got fatal error during xfer (aborted by signal=ALRM) 2014-09-24 15:03:37 full backup started for directory users-neubert 2014-09-25 11:24:20 Aborting backup up after signal ALRM ... (more such stanzas skipped) ... 2014-09-29 06:40:06 Got fatal error during xfer (aborted by signal=ALRM) 2014-09-29 06:40:06 full backup started for directory users-neubert
What bothers me are the fatal errors (signal= ALRM) in combination with the last lines of the "Last bad XferLOG" (right after the list of transferred files):

Child is aborting Done: 27503 files, 16082763640 bytes Got fatal error during xfer (aborted by signal=ALRM) Backup aborted by user signal Not saving this as a partial backup since it has fewer files than the prior one (got 27503 and 27503 files versus 27628)
Does this mean that I am actually stuck in an endless loop because there is a certain point in time or amount of data beyond which the backup does not go?

What are the reasons for the aborts or where do I need to look? They are not related to regular or irregular disconnects and IP reassignments. That I know from the DSL connection logs.

Kind regards
Boris

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xpac | 26 Sep 18:39 2014

Has anybody here configured BackupPC to back up/image linux

An entire server?

I see from their documentation "It is likely that linux/unix backups done using tar (rather than smb) can be
used to reconstruct a complete file system, although I haven't tried it."

I'm just wondering if anybody does this in practice, or if you just have a generic server build image on hand
and have to install that first and then restore to it in the case of catastrophic disaster.  

Sorry if this is a basic question, I just come from a Netbackup background so things are a bit different with
BackupPC  :D

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Heuzé Florent | 26 Sep 15:48 2014

Backup-PC Project

Hello everyone,
As part of a research project, I want to make the development of an 
Backup-PC's plugin.

Currently, in my business, integrity of backups are carried out by human 
with the Backup-PC interface (last backup age, xfer errors, average 
backups sizes, average backups duration, random file extraction, etc ...).

This is repetitive, lengthy and inefficient task.

The aim is therefore to create a plugin to get information quickly and 
efficiently needed for these manual checks.

I communicated this project to the Backup-PC community to collect your 
opinions, advice, support and ideas. I also invite you to share your 
experience if you have the same problem, the next step is the 
realization of a functional analysis to determine the real need.

kind regard,

  
Heuzé Florent
FIREWALL-SERVICES SARL.
Société de Services en Logiciels Libres
Technopôle Montesquieu
33650 MARTILLAC
Visio:https://vroom.im/heuzef
Web  :http://www.firewall-services.com

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xpac | 25 Sep 19:17 2014

Advatage/s to running rsyncd vs rsync?

I have a small production environment currently with six Centos 6 servers, one of which also serves as my
BackupPC server.  Currently I have it configured to use rsync as the transfer method, I'm just wondering if
it makes sense to switch over to rsyncd?  More specifically, what advantages, if any could I expect?  

I've googled a bit and found varying opinions but for people using rsync and rsyncd for things other than
strictly BackupPC so I thought this would be a good place to ask.

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Brian Ott | 25 Sep 16:16 2014
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Every backup I do gets error "BackupPC_link got error -3 when calling MakeFileLink"

Hello, 

Hopefully someone can help me out with this. I've looked this error up and came across this old posting: http://adsm.org/lists/html/BackupPC-users/2009-08/msg00115.html

However there was no luck there as it seems my issue may be different. What I've observed is that I receive
this error in the log file for every host I backup. 

After some investigation I believe this to be related to symbolic links. When I check the symbolic links are
not in the "f" directories. Here is an example: 

2014-09-25 08:47:10 BackupPC_link got error -3 when calling
MakeFileLink(/var/lib/backuppc/pc/pfy.res.oicr.on.ca/0/f%2f/fsbin/flvchange,
adcd7bc3e2583e93ed4e4a0e7ae055d1, 1)

Checking for the file, it is not there. 

backuppc <at> backstage:~/pc/pfy.res.oicr.on.ca/0/f%2f/fsbin$ ls -lh | grep change
backuppc <at> backstage:~/pc/pfy.res.oicr.on.ca/0/f%2f/fsbin$

and checking on the host it's a symbolic link 

pfy:/sbin
$ ls -lh | grep change
lrwxrwxrwx 1 root root      3 Jan 27  2014 lvchange -> lvm

when I check in the backuppc webpage for the host, and browse directory 'sbin' I don't see this symbolic link
there, however I do see other 'symlinks' mentioned. (For example /sbin/stop)

Here is the log file for those two: 

backuppc <at> backstage:~/pc/pfy.res.oicr.on.ca$ BackupPC_zcat XferLOG.0.z  | grep sbin/stop
  pool   l 777       0/0           7 sbin/stop -> initctl
backuppc <at> backstage:~/pc/pfy.res.oicr.on.ca$ BackupPC_zcat XferLOG.0.z  | grep sbin/lvchange
  create l 777       0/0           3 sbin/lvchange -> lvm

I checked the log and the xfer log for this host and its accurate to say that all the files that got the -3 error
are all set to "create" instead of pool. 

This host was new and this was the first backup being done, so I would assume "pool" means that file already
exists somewhere in its pool so it will just link to it for this host and "l" being symlink.  So the problem
here is why are new "create" for symbolic links failing? 

Thanks, 

Brian Ott
Unix System Administrator

Ontario Institute for Cancer Research
MaRS Centre, South Tower
101 College Street, Suite 800
Toronto, Ontario, Canada M5G 0A3

Telephone:	647-260-7977
Email:		brian.ott <at> oicr.on.ca
www.oicr.on.ca

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Tom Fallon | 24 Sep 18:16 2014
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Mounting synology NAS breaks Backuppc

Recently I had to rebuild a backuppc server I’ve inherited from previous admin. Running Ubuntu 14.04 server and Backuppc version 3.2.1 installed from repositories. The backups are stored on a Synology NAS (RS3413XS+ running DSM 4.3) which I’ve mounted using NFS.

 

If I mount the NAS (mount <NAS IP>:/volume5/LinuxBackups /var/lib/backuppc) I can see the backups on the NAS and can do a “touch test.txt” and modify contents so permissions seem ok. And the backuppc web GUI is accessible however I get the following error.

 

Error: Unable to connect to BackupPC server

This CGI script (/backuppc/index.cgi) is unable to connect to the BackupPC server on <Servername> port -1.
The error was: unix connect: Connection refused.
Perhaps the BackupPC server is not running or there is a configuration error. Please report this to your Sys Admin.

If I try and unmount the NAS I get error that mount is in use (makes sense) but when I try and stop backuppc I get another error

 

No process in pidfile '/var/run/backuppc/BackupPC.pid' found running; none killed.

 

A ps –eg | grep backuppc shows

 

username <at> servername~$ ps -ef | grep backuppc

backuppc  1874     1  0 16:26 ?        00:00:00 /usr/bin/perl /usr/share/backuppc/bin/BackupPC -d

backuppc  1877  1386  0 16:27 ?        00:00:00 /usr/bin/perl /usr/share/backuppc/lib/realindex.cgi

backuppc  1878  1386  0 16:27 ?        00:00:00 /usr/bin/perl /usr/share/backuppc/lib/realindex.cgi

backuppc  1884  1386  0 16:31 ?        00:00:00 /usr/bin/perl /usr/share/backuppc/lib/realindex.cgi

username  1947  1629  0 16:33 pts/0    00:00:00 grep --color=auto backuppc

 

If I kill all backuppc services then unmount the NAS and restart backuppc service and GUI works again as expected.

 

I have tried searching the backuppc documentation and googled fairly extensively however only hit I turned up with the above error was someone using a QNAP NAS on which the firmware had been updated. Also seeing several pointers to the Backuppc wiki but this does seems to only contain a couple of screenshots.....

 

So my question is – what is the correct procedure to mount an external NAS to the /var/lib/backuppc directory so that backuppc works as expected? Am I missing something obvious here?

 

Cheers Kiweegie

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xpac | 23 Sep 20:50 2014

Easiest way to delete test backups?

Hi, I'm fairly new to Linux, and brand new to BackupPC (I've dealt with Netbackup/BackupExec/Commvault in
the past in mostly Windows centric environments) - I've recently installed it and started generating
some test backups so I can work out any issues, and so far so good.

However, these are not backup jobs that I would like to keep, I don't see an easy way to delete them through the
web interface, so what's the easiest solution (without screwing anything up)?

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Gmane