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RN316 4 HDD (4TB each) in RAID 10 with 2 SSD in RAID 1 for Tiering? Good Idea
RN316 4 HDD (4TB each) in RAID 10 with 2 SSD in RAID 1 for Tiering?
Good Idea ? This Is after my 3 byear old 316 had to be RMA-ed.
Usage will be daily (I plan to use cron to start it when my kid ...
Hopchen wrote:
I take my NAS as a storage device only. It provides data to my devices and is an integral part of backing up and data safe-keeping. But that is it.
That's also been my approach for a couple of years now. I've deployed a Windows desktop PC as an application server, and that is where I run plex and other applications. I agree it's more scalable.
ovidiu wrote:
RN316 4 HDD (4TB each) in RAID 10 with 2 SSD in RAID 1 for Tiering?
Good Idea ? This Is after my 3 byear old 316 had to be RMA-ed.
Usage will be daily (I plan to use cron to start it when my kid comes home)
Short cartoons and cartoon shows, but majority 1080p (hence stroiooing for speed, and mirroring for some safety (short recovery time).
It's not a bad idea, but it is overkill for your application. Streaming requires good large-file (sequential) transfer speeds, it doesn't require fast random access.
Normal XRAID should be more than enough for 1080p streaming for home users. A single 1080p stream requires at most 8 MB/sec (full BlueRay), and most 1080p rips are in the 1-2 MB/sec range. XRAID/RAID-5 can deliver about 100 MB/s large file speeds on a gigabit network.
Were you having streaming issues before? Are you streaming with Plex? If not, what are you using?
ovidiu wrote:
Am I OK with just one SSD for tiering (What happens if the SSD dies, will the data on HDD still be available? And use 6th slot for hot spare for the Hdd's Raid 10?
Tiering isn't caching - my understanding is that the folder and file descriptors (e.g. the metadata) are only saved in the SSD RAID group. So you should assume that the full file system will be lost when the SSD fails.
If you have a backup plan in place (as you should of course), then you could risk using one SSD. But normally you should have two.
Also, since the two SSDs are mirrored, they will both reach their write limit at about the same time. At some point you probably will want to stagger them (for instance, replacing one SSD about half way through it's useful life).
ovidiu wrote:
(I plan to use cron to start it when my kid comes home)
Just use the power schedule built into the web ui.
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