On 07/01/2012 09:01 PM, Maxwell Smart wrote:
On 07/01/2012 07:59 PM, Eric Shubert wrote:
On 07/01/2012 07:47 PM, Maxwell Smart wrote:
Rsync is appropriate for backing up mail stores and configurations
(mysql database needs to be addressed separately). I don't see it
playing a role in HA configurations, except for providing backups,
which should still be done. HA, like raid, is *not* a backup solution.
I fail to understand why two identical servers in separate locations
doesn't qualify as a backup solution. Both servers have secondary
backup hard drives with duplicated data and the second server takes the
place of the first if the first is ever broken. Why is that not
desirable?
I didn't say that's not desirable. I said it is not a backup solution.
As soon as the second server takes the place of the first, where's
your backup?
On the backup drive on the second server :)
When you say 'backup drive', is that a raid mirror on the 2nd host? If
so, it's not a backup. Any drive that's live (or can become live in a
recovery situation) should not be considered to be a backup.
Well, your in crisis mode at that point scrambling to get server 1 back
up. Nothing is ever ideal when it comes to computers,
Simply not true. Nothing is perfect, but ideal is achievable.
but it would suffice in my situation
Which is what you need to be concerned with.
One size does not fit all.
--
-Eric 'shubes'
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