Re: [Astlinux-devel] Tarsnap Backups

[Lonnie A. <li...@lo...>]

I guess I'm saying rsync before tarsnap-backup seems redundant since tarsnap will find all the changed files in the Dirs/Files you specify.

Lonnie


> On Sep 6, 2018, at 4:55 PM, Michael Knill <mic...@ip...> wrote:
> 
> Thanks Lonnie
> 
> Yes I certainly hear what you are saying and it does sort of defeat the store only once purpose of deduplication but does it break it? 
> Effectively all I am doing is presenting a list of included files to tarsnap!
> 
> Regards
> Michael Knill
> 
> On 7/9/18, 4:49 am, "Lonnie Abelbeck" <li...@lo...> wrote:
> 
>    Hi Michael,
> 
>> So I assume that I can just replace 2) with tarsnap
> 
>    No, that would somewhat defeat tarsnap's "Deduplication" http://www.tarsnap.com feature, which saves you money.
> 
>    I would replace all 1-3 steps with tarsnap.  Each AstLinux box would have their own tarsnap.key .
> 
>    The web interface
>    Network tab -> Tarsnap Backup: { Tarsnap Backup Options }
> 
>    defines the following variables
>    --
>    BACKUP_KD_DEFAULTS
>    BACKUP_KD_INCLUDE_DIRS
>    BACKUP_KD_INCLUDE_FILES
>    BACKUP_ASTURW_DEFAULTS
>    BACKUP_ASTURW_INCLUDE_DIRS
>    BACKUP_ASTURW_INCLUDE_FILES
>    BACKUP_PRUNE_AGE_DAYS
>    BACKUP_NOTIFY
>    BACKUP_NOTIFY_FROM
>    --
> 
>    Files/Dirs automatically excluded via /etc/tarsnap.conf:
>    --
>    exclude *.bak
>    exclude *.db
>    exclude *.mdb
>    exclude *.sqlite3
>    exclude *.fossil
>    exclude *.netset
>    exclude *.rom
>    exclude *.bin
>    --
> 
>    For most users the defaults just work, and possibly add a few tweaks.
> 
>    If you want *everything* (minus the excluded suffixes), disable both "Backup [kd] Defaults" and "Backup [asturw] Defaults:" and specify "*" for all four Backup [kd|asturw] Dirs/Files entries.  Though I would doubt many users would do that.
> 
>    Be sure to perform some dry-run testing from the command line to help understand what is happening.
>    --
>    tarsnap-backup --help
>    --
> 
> 
>> PS the doco mentions that I can edit /etc/tarsnap.conf. Does that mean that /mnt/kd/tarsnap.conf will take precedence or do I need to edit this file?
> 
>    It was intended that most users will never need to edit the /etc/tarsnap.conf file, and as such it is not linked to /mnt/kd/tarsnap.conf .  Editing /etc/tarsnap.conf will use unionfs just as editing /etc/rc.modules does.
> 
>    Lonnie
> 
> 
> 
>> On Sep 5, 2018, at 9:02 PM, Michael Knill <mic...@ip...> wrote:
>> 
>> Hi Devs
>> 
>> I have decided that I will be changing my current backup strategy to Tarsnap for the following reasons:
>> 	• I need to back up sensitive files securely
>> 	• I need to be performing daily backups as I suspect a few of my customers will be doing their own basic administration soon
>> 	• And it looks awesome from my preliminary tests
>> 
>> My current backup strategy is as follows:
>> 	1) Find all changed files with rsync by comparing files in /mnt/kd and /mnt/kd/.ref and using an excluded directory/file list.
>> 	2) Use tar to back up all the resulting files on the Astlinux server
>> 	3) Move the backup file to the management server via SCP
>> 
>> So I assume that I can just replace 2) with tarsnap instead of tar and not do 3) but the problem is that I cant do this natively using the tarsnap-backup script.
>> Will I need to modify/recreate it or is there another way?
>> 
>> PS the doco mentions that I can edit /etc/tarsnap.conf. Does that mean that /mnt/kd/tarsnap.conf will take precedence or do I need to edit this file?
>> 
>> Thanks
>> 
>> Regards
>> Michael Knill
>> ------------------------------------------------------------------------------
>> Check out the vibrant tech community on one of the world's most
>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot_______________________________________________
>> Astlinux-devel mailing list
>> Ast...@li...
>> https://lists.sourceforge.net/lists/listinfo/astlinux-devel
> 
> 
>    ------------------------------------------------------------------------------
>    Check out the vibrant tech community on one of the world's most
>    engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>    _______________________________________________
>    Astlinux-devel mailing list
>    Ast...@li...
>    https://lists.sourceforge.net/lists/listinfo/astlinux-devel
> 
> 
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> Astlinux-devel mailing list
> Ast...@li...
> https://lists.sourceforge.net/lists/listinfo/astlinux-devel