NAS device
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NAS device
24-08-2012 6:05 AM
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I’ve been looking at NAS storage 2 bay, my home office has a GB hub.
Has anyone any tips or recommendations?
Re: NAS device
24-08-2012 2:14 PM
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Have a look at FreeNAS - which runs from a USB stick (avoids OS disk overhead).
Are your PC's also on Gb connections?
How will you backup your NAS?
"In The Beginning Was The Word, And The Word Was Aardvark."
Re: NAS device
24-08-2012 6:56 PM
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3Mb FTTC
https://portal.plus.net/my.html?action=data_transfer_speed
Re: NAS device
24-08-2012 10:14 PM
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Really, though, it is a single disk with an ethernet card bolted on and it runs NFS & SAMBA.
I use it as my backup device:
I use rsync to transfer files (via NFS) from my PC to the "NAS".
This is very fast to transfer small files or files which have few changes.
Backing up of large video files is terribly slow.
"In The Beginning Was The Word, And The Word Was Aardvark."
Re: NAS device
25-08-2012 11:34 AM
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Quote from: godsell4 OK I maybe naive, the point to me of a NAS is that in a 2 or more disk solution, there is always two copies of the same information and so there is little or no need for further backups.
Even if you have multiple discs running RAID 10, they're all in the same place with the same power supply. As such, there is a (small) chance that that the entire array could be taken out in one go (power spike, flood, fire).
In theory, you can never have too many backups. and keeping some off site is a good idea too.
Re: NAS device
25-08-2012 5:24 PM
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We also sync to a laptop using MS SyncToy which is also free. The NAS is powered from a UPS so is well protected from power outs, spikes etc.
Re: NAS device
25-08-2012 9:32 PM
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Quote from: Un Really, though, it is a single disk with an ethernet card bolted on and it runs NFS & SAMBA.
Thats pretty cool.
My new nas is actually my router - cisco linksys x3000. Comes with usb so that you can plugin an external drive and share it over the lan but also run an internal ftp server to share files online etc. Very cool although it only supports one drive even with a hub in use.
Re: NAS device
26-08-2012 4:17 PM
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The latest NAS drives have a very comprehensive set of features. When funds allow I may change the Thecus for something from either QNAP or Synology.
The drives on the Thecus can be swapped after power down. The RAID then rebuilds the data set. A newer NAS should allow hot swapping as well as providing DNLA support
Re: NAS device
27-08-2012 10:22 AM
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Quote from: Merlin The latest NAS drives have a very comprehensive set of features. When funds allow I may change the Thecus for something from either QNAP or Synology.
I'll get shot by ReedRichards for suggesting this..
What about a xp driven mini-itx fanless system? - Then you can plug in as many usb drives as you need, setup raid, run any servers you need / want (ftp, http, email etc), have the full configurability of windows and be able to use it with any other usb devices you may want to share such as printers. Then you can also plug in a 3G dongle for backup
Don't get me wrong, I think my nice new little cisco is great but it still doesn't offer me the full configurability of a windows box which can handle multiple connection types.
In essence, its a full blwon computer that is fanless (hence quiet like a normal router ./ nas) but is smaller and dedicated to certain tasks instead of all sorts of normal use.
Re: NAS device
27-08-2012 12:39 PM
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Quote from: Sprite What about a xp driven mini-itx fanless system?
That is what I have, except my O/S is Suse Linux.
I've got a fanless 1.6GHz dual Atom mini-itx motherboard, with a 3.5 inch Samsung Spinpoint hard disc (this disc was designed for PVR use, so it is very quiet) and a slimline DVD drive. All running off a 60 watt laptop style power supply. Actual power consumption is around 20 to 25 watts. I don't bother with RAID though. I do regular backups instead - my workstations are backed up to my server, and my server is backed up to a portable USB disc drive.
This server is about 9 months old, but I had an earlier version with older slower components since 2003. The case and PSU are all that is left of my first mini-itx server, they have been in constant use since 2003 except for an occasional shutdown for upgrades or due to a power cut.
Re: NAS device
27-08-2012 5:15 PM
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I used to use a full size machine for this task but it was too noisy to live with. A mini-itx system would do a great job.
@alanb thanks for the tip re the quiet hard drive - I will look into that!
Re: NAS device
31-08-2012 9:54 AM
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Quote from: alanb this disc was designed for PVR use, so it is very quiet
You shouldn't really use so-called 'consumer electronics' HDDs for data use because the error detection/correction capabilities are far reduced.
A few random errors matter little when streaming video recordings and by forgoing error management it is possible to increase the recording/streaming performance (i.e. keeping up with demand in real time) however the same cannot be said for the storage of data. If you write a bit to disk you really want to make sure it was written as intended, similarly when reading it back off - that's what the error detection/correction routines built in to data HDDs are there for.
With regards to power consumption and noise there are plenty of 'conventional' HDDs available that perform perfectly well in this regard and so there's little reason to feel compelled to go for a CE drive given the downside of increased potential for corruption of data.
Mathew
Re: NAS device
31-08-2012 1:50 PM
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Tried connecting to my dynamic dns via ftp the other day.. no connection. It seems our cisco had been disconnected in the night. Now, it does support two dyndnys hosts however both of those are paid services. The only way I can keep my dyndns domains alive is to run a windows service which requires a PC to be turned on - rendering the very point of a router usb shared HDD pointless
More support for the mini-itx WinXP powered router. I've been wanting to build one for years.. I really should find some cash and just do it.
Re: NAS device
31-08-2012 2:46 PM
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Mathew
Re: NAS device
31-08-2012 4:22 PM
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The heat from the three power supplies keeps the hard drives happy in the sealed box during winter. The entire thing takes about 12 watts when idlling.
I can download a 50 GB image in about 3 hours to one or the other drive which I use alternatively.
Oldgeezer
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