Backup server data at the block level bypassing the file system and reading data directly from the disk or volume. Block-level backup provides advantages over traditional file backup technologies including the speed of completing a backup operation, a drastic reduction in disk and network I/O, the ability to perform backups as often as every 15 minutes and no performance penalty for servers having a large number of files.
So you’re the DR guy and you have: setup different replication layers and technologies between datacenters, redundant telecom links, off-site backup solutions, VPN connections over the internet, several layers or power redundancy on some of your facilities; you name it. You have even made your homework and have successfully audited all of these solutions, policies and processes.
Everything is great… Is it?
Here are just some surprises:
Source: DRJ New feed