rsync backup

[Karl F. Larsen]

don fisher wrote:
> Karl F. Larsen wrote:
>> don fisher wrote:
>>> don fisher wrote:
>>>> Karl Larsen wrote:
>>>>> 	I have lost the little thing I used to call for a backup of 
>>>>> my linux. I was using rsync -avg /  exempt/media exempt/dev  . 
>>>>> .. /media/disk-1, or something like that.
>>>>>
>>>>> 	I have looked at man rsync which is confusing, and tried 
>>>>> Google but their info is trivial.
>>>>>
>>>>> 	Is anyone using something like this?
>>>>>
>>>>> Karl
>>>>>
>>>>>
>>>>>
>>>> I have the following in a a script that backs up the entire disk to a 
>>>> 500GB usb drive that I mount on /backup.
>> 	Hi Don, this is almost exactly what I want to do.
>>
>>>> sudo nice --adjustment=10 rsync -rlpgouvtS --progress -v
>> What does "sudo nice --adjustment=10" do? I have never tried 
>> sudo nice, ever.
>>
>>
>>
>>>> --delete --modify-window=1200 
>> 	What does "--progress -v << --delete --modify-window=1200" do?
>>
>>>> --exclude-from=/home/your_name/rsync-backup_exclude / /backup
>>>>
>>>> The rsync-backup_exclude fike looks like:
>>>> /proc/*
>>>> /sys/*
>>>> /dev/*
>>>> /lost+found/*
>>>> /var/log/lastlog
>>>> /swapfile
>>>> /usr2/*
>>>> /usr3/*
>>>> /tmp/*
>>>> /net/*
>>>> /mnt/*
>>>> /cdrom/*
>>>>
>> Why do most entries end with /* but a few just end?
>>
>>
>>>> You probably don't have all of the same mount points that I do, so edit 
>>>> to taste.
>>>>
>>>> don
>>> Sorry, but /backup is also in the rsync-backup_exclude file.
>> 	I was going to say what happened to the possible endless loop?
>>
>>
>> 	I will edit to taste and fool around. I did a pretty good 
>> backup with rdiff-backup which I think uses rsync, but there 
>> where a lot of errors listed.
>>
>>
>> 73 Karl
>>
>>> don
>>
> Karl,
> 
> sudo is required to process the system files. This command preserves the 
> owner and group, and also the creation and modification times. Without 
> sudo you can't modify another persons file stats.
> 
> nice --adjustment=10 is really just nice, since the default level is 10. 
> It lowers the priority so that if I am trying to do something else I get 
> a few cycles.
> 
> --progress -v shows the percentage transfer of each file.
> 
> --delete deletes files that don't exist on the source. This command will 
> update an existing backup only transferring the changes and removing 
> files that no longer exist.
> 
> --delete --modify-window=1200 sets a window on the time stamp so it does 
> not try and delete files that are really the same. Not sure this is 
> still required.
> 
> Most of the -rlpgouvtS switches are explained below. I have this comment 
> at the top of my script just encase I forget:-)
> 
> # -r recursive - copy directories recursively
> # -l copy symlinks as symlinks
> # -p preserve permissions
> # -t preserve times
> # -g preserve group
> # -o preserve owner (root only)
> # -D preserve device and special files.
> 
> I am a not a good emailer, so if there are omissions please get back.
> 
> don
> 

	Well I quit! At least for awhile. I tried rdiff-backup and it 
does write the files to my USB hard drive. All rsync help 
either does not run, or it runs but does not write a thing on 
my USB hard drive.

73 Karl


-- 

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.
         Key ID = 3951B48D