On 05/17/2016 05:44 PM, Michael L wrote:
That sounds like something I would like to try. I'm thankful for
getting to be on this email list.
M
Michael,
Your original post speaks to a broad topic that gets short shrift in
most circles because backup is boring. And try as we might, the backups
we _do_ make are never enough.
First point, the term "backup" is ambiguous.
Second point (to which you originally alluded), backup != archive.
Let's take a swing at the difference. Backups are about providing
recovery for an information system. Archives are about replicating,
indexing and preserving data.
So you need to ask yourself: self, what to I expect to accomplish with
these [ backups | archives ]. There are four reasons to backup and even
more reasons to archive.
B1 - hardware failure, and not just hard drives.
B2 - software failure, and not just operating system or applications.
B3 - security failure (can you say crypto-locker?)
B4 - human failure, and not just rm -rvf /
Bacula is a terrific backup solution that I have never had the patience
to get to work; I am jealous of Ben and Steven Critchfield for their
abilities to get that system working. I personally have an instance of
BackupPC running but it could use an upgrade and some verification
testing. Neither of these are truly archives.
Oh, but you want to do a bare metal restore? A bare metal restore is an
operation by which one may take a backup "volume" and through the magic
of television cause a new instance of a given system to be running.
Personally for that requirement, I take images of critical systems with
Clonezilla. A Clonezilla image allows me to create a system instance
even though I may have to overlay critical data from other backups to
complete a recovery.
Oh wait! You've got databases?? Add a whole 'nother layer of storing
journals and database unloads to your plan. Databases may be complex
data storage systems that are not so easy to replicate.
Having fun yet?
Howard
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