2Tb Offsite Backup?

Thank you, I believe this is the approach we will take. I will contact
those manufacturers as suggested, and appreciate your help.

On Dec 14, 4:58 pm, Arno Wagner <m....DeleteThis@privacy.net> wrote:
> Previously rpeters+gro...@icomproductions.ca wrote:
> > We are looking for a solution that allows us to accomplish the
> > following:
> > - Weekly full backups (approx. 50 hours available)
> > - Daily incremental backups (approx 10 hours available)
> > - On-site access to current week's backup
> > - Offsite storage of previous 2 weeks
> > We have the following resources we would appreciate being able to re-
> > use:
> > - 4x 750Gb SATA drives
> > - 1x Hot-Swap SATA bay
> > - Windows Backup software
> > Our current solution is as follows, and works great for up to approx
> > 700Gb of data:
> > - Windows Backup is scheduled as described
> > - We swap the single attached 750Gb drive weekly, taking it off site
> > - We have a 3-disk rotation, guaranteeing that an on-site disaster
> > only loses at most one week of data. (One disk is always off-site, a
> > second is brought in on swap-day, and the third is live.)
> > - One backup disk sits in reserve in case of failure.
> > Unfortunately, our storage demands have increased past the amount that
> > can be stored on a 750Gb, and we need to evaluate and find a new
> > solution.
> > What products / methods should we be looking at?
>
> Your backup procedure looks reasonable to me. As you are happy with
> it, you should increase backup space. One possible approach would be
> to use a pair of the drives in RAID0 or JBOD mode. Best do this with a
> hardware RAID controller, that supports swapping out the whole
> array. No idea which ones do, but you may want to ask Arcea and 3ware
> tech support about this. Otherwise you would have to cold-swap the
> drive-pairs, i.e. shut down, swap, reboot. Hot-swapping a whole RAID1
> may also be possible with Windows software RAID (I think they are
> called ''dynamic disks''). I know that it is possible under Linux with
> SATA controllers supporting hot-swap.
>
> Arno

Previously rpeters+groups@icomproductions.ca wrote:
> Thank you, I believe this is the approach we will take. I will contact
> those manufacturers as suggested, and appreciate your help.

You are welcome.

Arno



> On Dec 14, 4:58 pm, Arno Wagner <m....RemoveThis@privacy.net> wrote:
>> Previously rpeters+gro...@icomproductions.ca wrote:
>> > We are looking for a solution that allows us to accomplish the
>> > following:
>> > - Weekly full backups (approx. 50 hours available)
>> > - Daily incremental backups (approx 10 hours available)
>> > - On-site access to current week's backup
>> > - Offsite storage of previous 2 weeks
>> > We have the following resources we would appreciate being able to re-
>> > use:
>> > - 4x 750Gb SATA drives
>> > - 1x Hot-Swap SATA bay
>> > - Windows Backup software
>> > Our current solution is as follows, and works great for up to approx
>> > 700Gb of data:
>> > - Windows Backup is scheduled as described
>> > - We swap the single attached 750Gb drive weekly, taking it off site
>> > - We have a 3-disk rotation, guaranteeing that an on-site disaster
>> > only loses at most one week of data. (One disk is always off-site, a
>> > second is brought in on swap-day, and the third is live.)
>> > - One backup disk sits in reserve in case of failure.
>> > Unfortunately, our storage demands have increased past the amount that
>> > can be stored on a 750Gb, and we need to evaluate and find a new
>> > solution.
>> > What products / methods should we be looking at?
>>
>> Your backup procedure looks reasonable to me. As you are happy with
>> it, you should increase backup space. One possible approach would be
>> to use a pair of the drives in RAID0 or JBOD mode. Best do this with a
>> hardware RAID controller, that supports swapping out the whole
>> array. No idea which ones do, but you may want to ask Arcea and 3ware
>> tech support about this. Otherwise you would have to cold-swap the
>> drive-pairs, i.e. shut down, swap, reboot. Hot-swapping a whole RAID1
>> may also be possible with Windows software RAID (I think they are
>> called ''dynamic disks''). I know that it is possible under Linux with
>> SATA controllers supporting hot-swap.
>>
>> Arno