Re: backup.pl - gzip not working as expected!?

[Michael Tremer <michael.tremer@ipfire.org>]

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Hello,

Thank you for double-checking.

-Michael

> On 27 Dec 2021, at 10:32, Matthias Fischer <matthias.fischer(a)ipfire.org> wrote:
> 
> Hi,
> 
> On 26.12.2021 21:48, Michael Tremer wrote:
>> Hello,
>> 
>>> On 25 Dec 2021, at 20:53, Matthias Fischer <matthias.fischer(a)ipfire.org> wrote:
>>> 
>>> Hi,
>>> 
>>> I wondered for some time - since Friday 21.5.2021 ( ;-) ) - that the IPF
>>> files of the ISO backups turned out much larger than before.
>> 
>> Yes, they were indeed not compressed at all:
>> 
>> https://bugzilla.ipfire.org/show_bug.cgi?id=12737
> 
> Seems I was really busy in the last weeks, otherwise I would have seen
> that this problem was already reported. D'oh!
> 
>> So this should be resolved in c163. Can you test and confirm?
> 
> I first applied the changes from "[2/3] backup: Create tarball in one
> pass" and can confirm.
> 
> The IPF file of the *ISO backup* is now identical to the one created
> *without logs* and correctly compressed as reported by Larsen in
> https://bugzilla.ipfire.org/show_bug.cgi?id=12737#c2 (see attachment).
> 
> In a second run I also applied "[1/3] backup: Use filename as specified
> on console" and "[3/3] backup: Fork ISO job into the background in CGI
> script" from https://patchwork.ipfire.org/project/ipfire/list/?series=2450
> 
> Looking good.
> 
> Best,
> Matthias
> 
>> -Michael
>> 
>>> Today I tested: when I make a backup *without* logs, the resulting IPF
>>> is about *26MB* in size.
>>> 
>>> The same file is about *108MB* in size when I make an *ISO backup*.
>>> 
>>> So I ran ' /var/ipfire/backup/bin/backup.pl iso' from console and
>>> watched the output.
>>> 
>>> After some time, 'gzip' told me:
>>> 
>>> ...
>>> gzip: /var/ipfire/backup/2021-12-25-20:34.ipf already has .ipf suffix --
>>> unchanged
>>> ...
>>> 
>>> For results, please see attached screenshot (and yes: I use tables... ;-) ).
>>> 
>>> The first IPF was created using 'Generate ISO', the second using
>>> 'Exclude logfiles'.
>>> 
>>> Can anyone confirm?
>>> 
>>> Best,
>>> Matthias<ipf_files_differ_in_size.png>
>> 
> <01_ipf_iso_and_without_logs.png><02_ipf_iso_and_without_logs.png>