[Users] backups

Blaster Blaster at 556nato.com
Wed Nov 27 16:23:55 UTC 2013


On 11/27/2013 4:24 AM, Martijn Grendelman wrote:
> The problem with snapshot-based backups is, that they are usually only 
> crash-consistent, meaning that they contain the state of a system's 
> disks as they would be if you pulled the power plug on a server. If 
> you restore a system from this type of backup, you would see file 
> system recovery happening at the first boot, and you risk data loss 
> from -for example- database servers. 

The work-around for this is to SSH into the guest first, put the 
database into backup mode(maybe run sync a time or two to flush out as 
much from RAM as possible), take the snap shot, ssh back in to resume 
the database, backup the snap, delete the snap.








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