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Post Post subject: Cheaper Offline Storage Alternatives to HDDs   
Posted: Friday, 27 Sep 2013, 17:08   
a.k.a. Shaman AlicanC
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The title says it all.

When you compare SSDs and HDDs, HDDs are slower, but also cheaper. I remember that some people were using (or were interested in using) tapes. Are they any good?

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Post Post subject: Re: Cheaper Offline Storage Alternatives to HDDs   
Posted: Saturday, 28 Sep 2013, 03:03   
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Well, tapes are rather cheap themselves (you can get 3TB LTO-5 for $30 or less) - it's the tape writer that's expensive (for said LTO-5 writers are $1700+). That being said, tapes aren't made for anything but data backups - you can't use them as normal drives, if that's what you want.

I'd question the sense of using tapes, as you'll still need to store your files on conventional media if you want to have them accessible for daily use. Furthermore, tape makes sense only if you've got very big data amounts you want to backup. For data that changes rapidly, a RAID solution should be used as first level of security.

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Post Post subject: Re: Cheaper Offline Storage Alternatives to HDDs   
Posted: Saturday, 28 Sep 2013, 14:50   
a.k.a. Shaman AlicanC
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I want something for my archives. I thought tape would be a nice solution, but I didn't know that writers were that expensive.

I guess NAS will be the solution. Something like ReadyNAS maybe, but I know that it won't be enough. Maybe I should build a low power Windows PC with lots of SATA on the motherboard.

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Post Post subject: Re: Cheaper Offline Storage Alternatives to HDDs   
Posted: Saturday, 28 Sep 2013, 23:10   
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I actually have a hardware raid controller for my archive, because back in 2010, on Server 2008, the Windows software raid-5 kept getting out of sync at every reboot. Never figured out what the source of the issue was, even after a lot of testing and consulting with mainboard, raid controller and software vendors. Proper hardware raid is very fast, very reliable and very expensive. Today, I know there are numerous software solutions for raid setups, so getting a board with plenty of SATA connectors and cheap HDDs should do it. I would probably give Windows Storage Pools a try, too. I don't know how good they work, but they were designed to be more flexible than raid.
Most importantly though, however the details of your setup might turn out to be, test the hard drives and the raid controller or similar software extensively. Make sure the hard disks are healthy by using full surface scans and some benchmarks, and deliberately destroy raid arrays by corrupting a disk or removing it to see if it's able to repair.
Another thing: Mainboards with many SATA connectors usually have an additional chipset for some of those. From my experience, these don't always work as good as the ones on the Intel controller. You could also try to find a cheap SATA controller card without raid capabilities, but those are rare. I had one once, and the drivers weren't that good either.
I recommend this forum, especially the showoff thread, for inspiration: http://hardforum.com/forumdisplay.php?f=29

Edit: Don't buy an actual NAS, if you don't need all the fancy features they bring. It's cheaper to build one yourself and you can still choose to use some NAS software, or any other OS.

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Post Post subject: Re: Cheaper Offline Storage Alternatives to HDDs   
Posted: Sunday, 29 Sep 2013, 13:31   
a.k.a. Shaman AlicanC
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Yeah, I decided not to buy ReadyNAS or anything like that after I watched the video about it. I don't need any of that self-cloud or access-from-anywhere crap.

Also, you are right about those a-lotta-SATA mobos. My desktop has 6, 3 on Intel and 3 on Marvell.

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