My unRAID Servers (83TB Total) - Page 10

Nice Setup! - I was rather silent in your last thread but I must say this has really inspired me to finally go through with building my own.

I am looking to do something similar. I was wondering given the price difference between WD RED and WD GREEN Drives would you recommend going Red or Green? I am thinking of going with the 3TB Drives of either although I might go with 2TB drives. - More or less whatever gives the better deal in terms of Capacity/Price

Seems like the Supermicro AOC-SAS2LP-MV8 is definitively the best SAS card in that price point right now.
Going to be building up my server over time so probably starting with 9 or 12TB Storage + 3 TB Parity + 1TB WD Black Cache. Probably add another 6TB when drive prices drop a little more or I have more cash to spare.

From what I have been reading Black seems like the best bet for the cache drive.

I'm trying to get a norco 4224 in the UK. They're £420 from xcase who are usually quite good. However there's one on ebay that's £239 with a whopping £141 postage. Might settle for a 4220 and loose 4 bays. But it costs almost half as much.

Fortunately your SAS expander cards aren't difficult to find here, and they're pretty cheap.

I'm thinking of building a replica of this system . Murlocke, if you had the chance to build one of these today, what things would you change/update?

Mmmm so much power... Your my hero...

Fixed.

Just wanted to say thank you for this thread. Been using it as a template for my "true" server build.

can i please see a list of the media on them hard drives?

nice try MPAA

Really Great build man. Its inspiring that you took the plunge on this and went all out


please don't take my questions as criticisms though, I was looking into unraid with some interest. Now, it does seem that the main selling point (given the home environment it is used in) is that data is kept separate on each disc.

this leads me onto a few questions:

First, given single parity, if a drive fails AND there are parity errors how do you know what files have gone on said main failed drive? Do you organise within unraid program or do to decide to put A-D on one drive, E-H on another and then mark each disc with a sticker to say what alphabetical order goes on where ? (would that even be a good idea?)


The standard is 15-20mins for ripping a 30GB 1:1 MKV on DVDfab. That is a LOT of time to re-rip or re-find. On my setup I have 140 purchased titles on 3TB which @ 20mins each works about at a massive 40- 46hrs of time to re-rip .. lets not forget that most of us have work and family time, weekends doing other stuff that 40- 46 hrs could be upto two months (or a massive coffee compound and a soul crushing holiday) re-ripping non stop from dusk till dawn!
Also Dont forget the 20hrs taken Zeroing out a HDD and how long until we see 5TB and 6TB drives, just how long will that take to zero ?? so there's some real time needed to rebuild and renew here

So the other question is, Why not use something with more redundancy and a greater level of error checking? If your controller, mainboard, O/S drive fails with ZFS you too can also recover the information like Unraid you can import a working pool back into a new ZFS build without too many headaches.

My feeling is that as your discs get individually bigger there are many more files and the re-rip times become 80hrs + 30hrs for 1 x 5TB drive failure? so very realistically you could be looking at 100HRS
What about the time differences between copying 30GB over lan to a ZFS server vs unraid speeds per movie too?

for a drive failure / parity errors! when do you call it quits? at what point do you allow for a $10 a month subscription to deliver your movies at 720p and eventually 1080p? ok they wont be Blueray quality for many years but the probability is that the kids and the wife wont notice

I still would consider unraid and if it could do two parity drives and a bit more performance i might just be a no brainer for a media server ! for much smaller installations 1 drive is easily enough i think and i would probably run the gauntlet on a 2TB drive loss with 80 movies for example.


as mentioned, exellent build and im not knocking it but you really have pushed the envelope of data size vs redundancy here


* edit i supose the 3rd question would be if unraid offered x2 parity would you use it?
Edited by phill1978 - 1/5/13 at 9:18am