dump directly to remote HDD over ssh <-- take it up a notch

[Timofey Chernousov]

On Thu, Jul 31, 2003 at 09:32:21AM -0400, Dave [Hawk-Systems] wrote:
> <continuing thread>
> to ensure that we don't get too many servers trying to back up to the big
> archive server at once, we want to run a script from the controller server...
> 
> #!/bin/sh
> ssh server1 "dump -3uf - /usr | ssh big_backup_server dd
> of=/backups/server1.usr.dump"
 In this case you allow logon without password  as _root_ to your server[12]
AND allow logon without password as _user_who_can_read_dumps_ to your
big_backup_server. It's too many security risks, isn't it?

> ssh server1 "dump -3uf - / | ssh big_backup_server dd
> of=/backups/server1.root.dump"
> ssh server2 "dump -3uf - /usr | ssh big_backup_server dd
> of=/backups/server2.usr.dump"
> ssh server2 "dump -3uf - / | ssh big_backup_server dd
> of=/backups/server2.root.dump"
> 
> running it in this way should ensure that each dump completes before the next
> one is started, keeping them stacked, but not overlaying each other and
> effectively DOSing the box with all that data, correct?
> 
> thanks for this and the verification on the previous
> 
> Dave

-- 
 Tim