[Cialug] Backups with rsync

[Jonathan Bailey]

True. The only other problem I have is that rsync seems to lock up after 
a while (like 30-45m). I'm using an SSH tunnel, so that might be part of 
the issue.


Jon


Dave J. Hala Jr. wrote:

>You could rsync the nightly backup onto a differant machine and that
>would have the same effect.
>
>On Sun, 2005-02-20 at 13:37, Jonathan Bailey wrote:
>  
>
>>True. I can do full nightly backups (about 1.2GB each at the moment). 
>>Right now they're stored on a different drive in the same server. I also 
>>want to have an off site snapshot (don't need each nights backup - just 
>>the most current snapshot). My remote machine is on a 1.5mbit (DSL) 
>>connection. If I rsync /backup/backup-[currentdate]/ to 
>>/remotemachine/backup/ every night, will that give me a current snapshot?
>>
>>
>>Jon
>>
>>Dave J. Hala Jr. wrote:
>>
>>    
>>
>>>I've never been a fan of incremental backups. Ever do a complete restore
>>>      
>>>
>>>from a daily incremental backup set? If one of the backup sets is bad,
>>    
>>
>>>you can be hosed.
>>>
>>>For what a cheap ide drive costs nowadays, you might as well just do a
>>>full backup every night and save yourself the headache. If you are
>>>worried about the "reliability" of the cheap ide drives, use two or
>>>three or four of them with software raid...
>>>
>>>Depending on how large your backup files are, you may be able to also
>>>store them on the CD/RW's or DVD/RW's and rotate the media out weekly,
>>>taking a copy off-site.
>>>
>>>If they are truly "mission" critical backups, the cost of the back-up
>>>system shouldn't be a factor. (It just needs to be reasonable) It just
>>>needs to be reliable and able to be restored quickly. 
>>>
>>>
>>>
>>>:) Dave
>>>
>>>
>>>On Sun, 2005-02-20 at 10:06, Jonathan Bailey wrote:
>>> 
>>>
>>>      
>>>
>>>>I want to do incremental backups since they take less disk space in the 
>>>>end (full backups every Sunday for example). I'd then like to rsync 
>>>>those backups to another server. This is what I'm using for incremental 
>>>>backups now - it's not perfect, but I'm lookign for better.
>>>>
>>>>rsync -av --exclude-from=/root/rs.exclude 
>>>>--compare-dest=/backup/backup-$WEK/ /home/ 
>>>>/backup/backup-$WEK-$DATESTAMP/ > /backup/backup-$WEK-$DATESTAMP.log
>>>>
>>>>
>>>>
>>>>Jon
>>>>
>>>>
>>>>
>>>>Academician Kula wrote:
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>>>On Sat, Feb 19, 2005 at 08:21:08PM -0600, Jonathan Bailey wrote:
>>>>>
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>>>I'm currently using rsync to do a backup every night. I'd like to do 
>>>>>>incremental backups, just storing the changed files every backup cycle. 
>>>>>>I'm thinking of a full backup on Sunday, and incremental every other day 
>>>>>>of the week. I know you can use --link-dest with rsync, but I don't want 
>>>>>>all the hard links. How can I make it back up only the changed files 
>>>>>>(and structure)?
>>>>>>  
>>>>>>
>>>>>>       
>>>>>>
>>>>>>            
>>>>>>
>>>>>You might use find with the appropriate options to find all files
>>>>>changed since a certain time, and feed that list to rsync. Newer
>>>>>versions of rsync have a --files-from flag, which just takes a list
>>>>>of files to copy.   
>>>>>
>>>>>I am curious why you don't want hard links --- I've been using rsync
>>>>>with hard links to do backups for a while now and it seems to work
>>>>>well for me. Knowing a bit more about your situation may give us ideas
>>>>>for you to try.    
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
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>>>>   
>>>>
>>>>        
>>>>
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