Re: [BackupPC-users] how to disable full backups and keep just incremental

2020-06-10 Thread daggs 
Greetings Craig,

 

I use version 3.3.2

 

Dagg.
 

Sent: Wednesday, June 10, 2020 at 6:58 PM
From: "Craig Barratt via BackupPC-users" 
To: "General list for user discussion, questions and support" 
Cc: "Craig Barratt" 
Subject: Re: [BackupPC-users] how to disable full backups and keep just incremental


Dagg,
 

What version of BackupPC are you using?

Craig

 


On Wed, Jun 10, 2020 at 7:24 AM daggs  wrote:

Greetings,

I have two large (several hundreds gigabytes) backups that keep failing due to abort or child end unexpectedly. I ran it three times already.
I want to disable the full backup and keep the incremental, what is the proper way do that?

Thanks,

Dagg.


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Re: [BackupPC-users] how to disable full backups and keep just incremental

2020-06-10 Thread Craig Barratt via BackupPC-users 
Dagg,

What version of BackupPC are you using?

Craig

On Wed, Jun 10, 2020 at 7:24 AM daggs  wrote:

> Greetings,
>
> I have two large (several hundreds gigabytes) backups that keep failing
> due to abort or child end unexpectedly. I ran it three times already.
> I want to disable the full backup and keep the incremental, what is the
> proper way do that?
>
> Thanks,
>
> Dagg.
>
>
> ___
> BackupPC-users mailing list
> BackupPC-users@lists.sourceforge.net
> List:https://lists.sourceforge.net/lists/listinfo/backuppc-users
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> Project: http://backuppc.sourceforge.net/
>
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[BackupPC-users] how to disable full backups and keep just incremental

2020-06-10 Thread daggs 
Greetings,

I have two large (several hundreds gigabytes) backups that keep failing due to 
abort or child end unexpectedly. I ran it three times already.
I want to disable the full backup and keep the incremental, what is the proper 
way do that?

Thanks,

Dagg.


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Re: [BackupPC-users] What is the best way to add back MISSING pool files?

2020-06-10 Thread 
Craig Barratt via BackupPC-users wrote at about 22:31:28 -0700 on Tuesday, June 
9, 2020:
 > Jeff,
 > 
 > The first method seems simpler.  Don't you just have to mv the file based
 > on BackupPC_zcat file | md5sum?  BackupPC_nightly shouldn't need to run
 > (other than to check you no longer get the missing error).

Yeah - that's exactly what I was saying... it's a 1 or 2 liner script.
 > 
 > Btw, where did you find the missing pool files?

I kept a copy of my old v3 pool... I also edited
BackupPC_migrateV3toV4 to save (i.e. rename) the old pc tree rather than delete
it... Then I could copy over the v4 to a new disk because no messy hard
links, leaving me with my intact v3...

Actually, it may not be a bad idea to add that as an option to
BackupPC_migrateV3toV4 to allow preservation of the old...

 > 
 > For the benefit of people on the list, Jeff and I are addressing the other
 > issues off-list.
 > 
 > Craig
 > 
 > On Tue, Jun 9, 2020 at 6:48 PM  wrote:
 > 
 > > Of course, the unanswered interesting question is why did this small
 > > number of 37 files out of about 3.5M pool files fail to migrate
 > > properly from v3 to v4...
 > >
 > > Note: I ran as many checks before and after as possible on the pool
 > > and pc heirarchy integrity (using my old v3 routines I had written) as
 > > well as checked error messages from the migration itself. I also of
 > > course had the BackupPC service off...
 > >
 > > "" wrote at about 21:41:27 -0400 on Tuesday, June 9, 2020:
 > >  > I found some of the missing v4 pool files (mentioned in an earlier
 > >  > post) in a full-disk backup of my old v3 setup.
 > >  >
 > >  > I would like to add them back to the v4 pool to eliminate the missing
 > >  > pool file messages and thus fix my backups.
 > >  >
 > >  > I can think of several ways:
 > >  >
 > >  > - Method A.
 > >  >   1. Create a script to first BackupPC_zcat each recovered old v3 pool
 > >  >  file into a new file named by its uncompressed md5sum and then move
 > >  >  it appropriately into the v4 cpool 2-layer directory heirarchy.
 > >  >
 > >  >   2. Run BackupPC_nightly assuming that it will clean up the cpool ref
 > >  >  counts to coincide with the now correct pc-branch ref count
 > >  >
 > >  > - Method B
 > >  >   1. BackupPC_zcat the recovered files from the v3 pool into a new
 > >  >  directory. Naming of the files is immaterial.
 > >  >   2. Create a new temporary host and use that to backup the folder
 > >  >   3. *Manually* delete the host by deleting the entire host folder
 > >  >   4. Run BackupPC_nightly to correct the ref counts (assuming needed)
 > >  >
 > >  > - Method C
 > >  >   1. Use some native code or routines that Craig may already have
 > >  >  written that do most or all of the above
 > >  >
 > >  > Any thoughts on which of these work and which way is preferable?
 > >  >
 > >  > Jeff
 > >  >
 > >
 > >
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Re: [BackupPC-users] attrib_0 files?

2020-06-10 Thread 
I agree it doesn't cause any "harm" - it just seems somewhat random or
awkward to have some attrib_0 files and others not have any.

Before writing back an attrib file, why not just check if it is empty
and delete it rather than overwriting it with an attrib_0.
You probably make that check anyway since a zero length attrib file
would have an md5sum of "d41d8cd98f00b204e9800998ecf8427e" anyway.

In the end, less clutter and fewer inodes used should be better and faster...

Craig Barratt via BackupPC-users wrote at about 21:23:24 -0700 on Tuesday, June 
9, 2020:
 > Jeff,
 > 
 > I don't think there's much different whether a directory has an empty
 > attrib file or not.  The reason they exist is when a directory ends up
 > being empty after updating the directory.  The reason a directory might
 > exist without one is when reverse deltas require a change deeper in the
 > directory tree, which causes the unfilled backup to create the intermediate
 > directories, which won't get attrib files unless rsync needs to make
 > changes at that level too.
 > 
 > Craig
 > 
 > On Mon, Jun 8, 2020 at 9:34 PM  wrote:
 > 
 > > I have some empty attrib files, labeled attrib_0.
 > > Note that the directory it represents, has no subdirectories. So, I would
 > > have
 > > thought that no attrib file was present/necessary -- which seems to be
 > > the case in most of my empty directories.
 > >
 > > So what is the difference (and rationale) for attrib_0 vs no attrib
 > > file.
 > > Does that have to do with a prior/subsequent file deletion?
 > >
 > >
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