> On Dec 4, 2014, at 12:18 PM, Ian Lord <lordi AT msdi DOT ca> wrote:
>
>> Dunno about prices in .ca but south of your border $5K will buy you a
>> 36+2-bay chassis where you could keep a whole lot of zfs snapshots.
>> Probably 72+2 even. What's your planned retention period?
>
>> Dima
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~
> I know I am going against the trend as everyone is talking about using HD as
> a backup device, but we are looking as something "my life will depend on". If
> we were to loose data, we would end up with a multi-million dollars law suit
> and we'll just go bankrupt.
>
> As we are a SAAS solution, everything is already redundant, we can drop a
> plane in one of our datacenter and customer won't even notice (technically
> speaking) as everything is load balanced and replicated live across the sites.
>
> We have very high security with loadbalancers, IDS, DDOS protection, etc.
>
> But let say a hacker would manage to get in and play around, or even an angry
> employee, or...
> A simple "rm -r /" and all of our protection is gone. Our 2 distant copies
> and the zfs snapshots also...
>
> It's kinda hard for a hacker to format all the tapes in a library
> furthermore, some tapes will be put in a safe...
>
> I love the idea of using HD, so simple, cheap and fast, but if you need
> absolute peace of mind, I think a tape backup is much more reliable in this
> sense in my opinion.
>
> That's why I'm trying to see if bacula could be a good solution in our
> scenario.
>
> Thanks
I use both ZFS and tape for backups. I back to disk, then copy to tape.
The disk backups are there and used first. I only go to tape if there is a
problem with the disk.
You’d want to do tape verifies each night I would suspect.
—
Dan Langille
http://langille.org/
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