Advice on external backup of a Linux server.

[Felipe Alfaro Solana]

On 10 Feb 2005, at 23:37, Arthur Pemberton wrote:

>> LVM2 snapshots allow you to backup live filesystems. Usually, you 
>> shouldn't backup a live (i.e. mounted and being used) filesystem with 
>> utilities like "tar" and company, since they can't lock files being 
>> backed up to avoid changes made by running processes.
>>
>> A LVM2 snapshot, however, guarantees consistency as it "takes an 
>> image" of the filesystem and freezes it which can be backed up to 
>> tape, or to remote storage without worrying about possible 
>> inconsistencies caused by running processed modifying data.
>>
> That seems very good, where can I find more information about this? Or 
> what should I google for exactly?

Maybe you can get started by reading this:

http://www.tldp.org/HOWTO/LVM-HOWTO/index.html