I have a Seagate Black Armor 440 with shitty 2TB 5400RPM drives. I am planning on phasing these out for faster drives so I can actually stream media from this NAS without it buffering 24/7. I have a dead drive in a 4 drive RAID 5, so obviously I need to replace this ASAP so I have a spare. If I get a 7200RPM or above drive (2TB obviously) will this work, as long as it's on the Seagate compatible drive list for this NAS?
I'm not familiar with the Seagate, but most controllers will allow this and the 7200rpm will just be slower than normal. Some are picky about it, but if you tried googling the specific enclosure and didn't get results I'd say its fairly safe to assume you'd be fine.
Still not recommended though...
So it'll just run at the rate of the slower drives then.
[QUOTE=agentfazexx;50101906]I have a Seagate Black Armor 440 with shitty 2TB 5400RPM drives. I am planning on phasing these out for faster drives [B]so I can actually stream media from this NAS without it buffering 24/7[/B]. I have a dead drive in a 4 drive RAID 5, so obviously I need to replace this ASAP so I have a spare. If I get a 7200RPM or above drive (2TB obviously) will this work, as long as it's on the Seagate compatible drive list for this NAS?[/QUOTE]
Even the slowest drives can easily handle HD video playback, you might have an issue elsewhere as well.
[QUOTE=IpHa;50102364]Even the slowest drives can easily handle HD video playback, you might have an issue elsewhere as well.[/QUOTE]
I don't have an "issue elsewhere" unless this NAS has a shit CPU.
Well even piss slow HDD's should be able to hit over 50mbps and that's more than enough for HD playback.
[QUOTE=agentfazexx;50102557]I don't have an "issue elsewhere" unless this NAS has a shit CPU.[/QUOTE]
Could be a network issue.
I definitely trust agentfazexx to know if it's one of those, I'd suspect something on the NAS itself.
Something fucky is definitely going on, I have a much worse single disk blackarmor (BA-2395A, nothing on Google about it any more) and it handles ~70 mbits sequential read.
Strongly doubt this NAS has a faster CPU in it so that's not likely the issue.
[QUOTE=Levelog;50102800]I definitely trust agentfazexx to know if it's one of those, I'd suspect something on the NAS itself.[/QUOTE]
It isn't a network issue. I have a pretty simplistic home network. And streaming video from any other source on my network is fine. It's just this NAS.
It's probably the CPU on the NAS or the shitty drives. I'll have to look up the CPU/RAM specs on the NAS maybe. This is the only thing on my network with 5400rpm drives. I'm just wondering if swapping the 5400rpm drives for 10k or 7200rpm drives as they fail out will fix this. I've just never mixed drive speeds in a RAID before, not sure if it will work.
Assuming you have the network drive showing up in Explorer, try to run Crystaldiskmark on it and post results. I've done this at home too to test the performance across different computers for the same drive.
Sure. I'll do that when I get home.
[QUOTE=agentfazexx;50102301]So it'll just run at the rate of the slower drives then.[/QUOTE]
There is a possibility that it will actually run much slower, but it's unlikely.
Probably will just run at the 5400rpm speed right? I doubt it would be slower than that.
It's going to depend on a lot of factors. Generally it will just perform around (maybe [I]slightly[/I] slower) than the slowest drive. However weird shit can happen where it does a write on the slow drive, and the fast drive has to go 90%+ of a full rotation before it can write, so the 'slow' drive has to wait for the fast drive to get 'back in sync'. This will usually crop up more with lots of small read writes.
Caching should almost entirely eliminate this by itself, and most controllers can figure out how to prevent this, but it does happen from time to time. Some NAS drives let you totally disable disc caching. You really need a perfect symphony of errors for this to happen in any appreciable sense.
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