Your message dated Mon, 11 Apr 2011 18:18:53 -0400
with message-id <[email protected]>
and subject line flexbackup: Does not split up tar.gz backups when needed
has caused the Debian Bug report #510814,
regarding flexbackup: Does not split up tar.gz backups when needed
to be marked as done.

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-- 
510814: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510814
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: flexbackup
Version: 1.2.1-6
Severity: normal


Flexbackup is unable to split tar.gz files when writting to media that has
a fixed maximum size (such as FAT32 filesystems, with a 4GB limit). It is
inacapable of detecting that and/or allowing the user to specify the need for
a split in the /etc/flexbackup.conf file.

I have also been unable to find this limitation in the FAQ or the
documentation. The only relevant item seems to be '2.4. What is the maxiumum
size of the archives flexbackup can produce?' but it does not point to this
limitation.

When trying to generate a backup of contents which exceed 4GB it will abort
with

------------------------------------------------------------------------------
(...)
dd: writing in «/mnt/usb/Backup/home-jfs-debian.0.200901050011.tar.gz»:
File too big
272079+251669 records in
419430+1 records out
4294967295 bytes (4,3 GB) copied, 2599,04 s, 1,7 MB/s

ERROR: non-zero exit from:
dd ibs=10k obs=10k conv=noerror
of=/mnt/usb/Backup/home-jfs-debian.0.200901050011.tar.gz
gzip -4
tar --create --null --files-from=- --ignore-failed-read --same-permissions
--no-recursion --totals --label level 0 /home/jfs/debian Mon Jan 05 00:11:27
2009 tar+gzip from silicio --verbose --sparse -b 20 --file -


ERROR: exiting
|------------------------------------------------------------
| Backup start: Mon Jan 05 00:11:27 2009
| Backup end:   Mon Jan 05 00:54:47 2009
|------------------------------------------------------------
| Compressing log (all.0.200901050011.gz)
| Linking all.latest.gz -> all.0.200901050011.gz
|------------------------------------------------------------
------------------------------------------------------------------------------


Note that /mnt/usb is the mount point of an external hard drive formatted
using FAT32.

Regards

Javier

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--- Begin Message ---
tags 510814 upstream wontfix
severity wishlist
thanks

By design choice, flexback is a simple perl script which ties together
standard utilities to do uncomplicated backups.

By design, it is not able to deal with the limitations of the utilities
beyond erroring out.

dd: writing /mnt/usb/Backup/home-jfs-debian.0.200901050011.tar.gz
File too big
^^^^^^^^^^^^

This is pretty clear.  Flexbackup displays the error messages of the
underlying tools, rather than complicating things by interpreting them.

>From the FAQ 2.4:

"What is the maxiumum size of the archives flexbackup can produce?  This
is a limitation of the archive program, tape driver, underlying
                                                     ^^^^^^^^^^   
filesystem, OS, or specific compilation of perl - nothing in flexbackup
^^^^^^^^^^
controls that."

You may want to configure your backups to not exceed the capability of
the tools involved or consider the use of something more sophisticated,
e.g. amanda.

-- 
KBK


--- End Message ---

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