Offsite would be ideal, though probably easier and cheaper to use an online backup service like Carbonite.
Typically a NAS just sits somewhere in your network. On Fri, May 30, 2014 at 11:22 PM, Joe S <joes...@shaw.ca> wrote: > Thanks for the info. I'll have to look at raid. Don't know > anything about it at the moment and don't really have the time > at present. NAS I'm assuming to make it worthwhile I would have > to have someplace outside my residence to back up to? > > On Fri, 30 May 2014 11:43:45 -0600 > Gustin Johnson <gus...@meganerd.ca> wrote: > > > Just a couple of comments: > > RAID 5 is to be avoided at all costs. This is a complicated > > topic but the short answer is that I don't know anyone for > > whom RAID5 is a good idea. Raid 1, 10, and 6 are the levels > > that interest you. > > > > "Green" branded drives are fine since most NAS enclosures do > > not use a hardware RAID controller. The vast majority use > > some version of embedded Linux and the software RAID stack > > mdadm (not to be confused with the fakeraid stuff, mdadm is > > awesome). Having said that I usually purchase WD "Red" drives > > solely for the longer warrenty (I actually don't care about > > the other features, most of the features are marketing fluff > > that you are not going to be using anyway). > > > > For purchasing suggestions I am a fan of the Synology line of > > NAS devices. Hi Joe, > > Having a single drive external, while better than nothing is > > way not as good as having a 2 bay / drive raid 1 enclosure. in > > terms of safety i am talking. A > > step up in terms of safety would be a 4 drive raid 1 or 5 > > enclosure. A step up > > in all these cases, is having the drives/enclosures as a NAS > > device sitting in > > a different place (safer?) than the backed up computers are, > > and connected with > > the network to them. > > > > Most 2-4 drive enclosures (that come with drives) state the > > capacity as a raid > > 0, which can be tricky for the uninitialized. A raid0 > > configuration will not increase safety, in fact it will reduce > > it drastically, so when looking at populated 2 - 4 drive > > units, as a rule of thumb, half the capacity for 2 disk > > units (to get the capacity in raid 1 terms). the 4 disk raids > > a bit more complicated. you can treat them as 2 pairs, this > > halving the capacity, or as a > > 4 disk raid 5, in which case you get 75% of the total disk > > capacities. > > > > For direct connect enclosures, look for e-sata capability, > > look for usb3 , specially if your backed up computer has these > > ports, you can not go wrong with these features. > > > > For NAS devices, look for the once that have dual gigabit > > Ethernet connectors, > > they usually perform better speed wise. > > > > If you are going to invest on a 2-4 or more drive external nas > > unit, think about augmenting it with UPS (uninterrupted power > > supply), for capacity, add up the power rating on the NAS > > unit. If you want to skimp out on the UPS, just > > get a surge protector, it's your data after all. > > > > Here are some pointers: > > > > Single drive, direct connection: > > http://www.memoryexpress.com/Products/MX45802 > > http://www.memoryexpress.com/Products/MX22324 > > > > Dual drive, direct connection: > > http://www.memoryexpress.com/Products/MX40154 > > http://www.memoryexpress.com/Products/MX43461 > > > > 4 drive, direct connection: > > (do consider the noise of 4 drives spinning near your desktop) > > http://www.memoryexpress.com/Products/MX30898/Reviews > > and of course the drobo: > > http://www.memoryexpress.com/Products/MX42950 > > > > Single drive, NAS: > > http://www.memoryexpress.com/Products/MX32282 > > http://www.memoryexpress.com/Products/MX33812 > > > > Dual drive, NAS: > > http://www.memoryexpress.com/Products/MX47066 > > http://www.memoryexpress.com/Products/MX49052 > > > > 4 drive , NAS: > > http://www.memoryexpress.com/Products/MX39139 > > http://www.memoryexpress.com/Products/MX49654 > > > > And you still need to get your drives. > > Generally look for NAS / Storage rated drives, Green rated > > drives tend to perform poorly in raid environments. > > Desktop / workstation rated drives will do fine, specially > > under low/medium stress situations. > > > > > > > > > > On May 29, 2014 Thursday 14:22:21 Joe S wrote: > > > I was reading the reviews of external hard drives. I found a > > > number had problems with reliability. I don't have experience > > > with these, but need something for backing up my home > > > computer. Are there any that can be recommended? I also > > > thought of getting an enclosure and a regular drive in case > > > I have to replace it in the future. Probably 1 TB or so. > > > > > > > > > Thanks for suggestions > > > > > > _______________________________________________ > > > clug-talk mailing list > > > clug-talk@clug.ca > > > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > > > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > > > **Please remove these lines when replying > > > > > > _______________________________________________ > > clug-talk mailing list > > clug-talk@clug.ca > > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > > **Please remove these lines when replying > > > _______________________________________________ > clug-talk mailing list > clug-talk@clug.ca > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > **Please remove these lines when replying >
_______________________________________________ clug-talk mailing list clug-talk@clug.ca http://clug.ca/mailman/listinfo/clug-talk_clug.ca Mailing List Guidelines (http://clug.ca/ml_guidelines.php) **Please remove these lines when replying
