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Forum Discussion
2100 and SSD's
Several years ago, using SSD's in RAID was not recommended because the RAID controllers tended not to support TRIM and garbage collection on the SSD's. What is the current advice for using SSD's in a ReadyNAS 2100 with latest firmware? Can the NAS work with SSD's?
I was looking at the new Intel S3500 series. I have four 1-terabyte 7200 RPM SATA drives in RAID10 in the 2100 currently, and the two NIC's are teamed via LACP. Are my current drives capable of saturating the NIC team already? What are benefits and/or disadvantages of using SSD's in a RAID array in this NAS? Basically, I want to max out this NAS in terms of throughput (not just speed, but IOPS), and I'm curious how best to do that. My network and servers can handle higher speeds, right now the NAS is the slowest part of my network.
I was looking at the new Intel S3500 series. I have four 1-terabyte 7200 RPM SATA drives in RAID10 in the 2100 currently, and the two NIC's are teamed via LACP. Are my current drives capable of saturating the NIC team already? What are benefits and/or disadvantages of using SSD's in a RAID array in this NAS? Basically, I want to max out this NAS in terms of throughput (not just speed, but IOPS), and I'm curious how best to do that. My network and servers can handle higher speeds, right now the NAS is the slowest part of my network.
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- Is this a 2100 v1 or a 2100 v2?
mdgm wrote: Is this a 2100 v1 or a 2100 v2?
Not sure, where is that indicated?- If you have a v2 it would be indicated in RAIDar and on the home page of Frontview.
The v2 has an Intel Atom, 64-bit CPU whereas the v1 has an Intel Tolapai 32-bit CPU. - Easy enough.... ReadyNAS 2100 v2
- Well SSDs are not supported in RAIDiator 4.2.x but some are for ReadyNAS OS devices. You can run 6.0.x on the 2100 v2 (but not the v1) though it is unsupported. See http://www.readynas.com/forum/viewtopic.php?f=35&t=70323
Even if you update to the new OS you still have the issue that SSDs tend to be 2.5" and the drive trays in the 2100 v2 are 3.5" - Thank you.
Does anyone have a good estimate of the relative throughput of two teamed gigabit NIC's versus the four 7200 rpm SATA drives in XRAID2? Which can move more data? Meaning, can reading data from the drives saturate the NICs capacity assuming all other factors in the network can handle this amount of data? Or do the LACP teamed NIC's still have headroom when the drives are maxed out in read throughput? - I don't think with hard drives teaming the NICs would do much if anything to improve performance. One would think using SSDs would make some difference to performance but as only running 4.2.x on the 2100 is supported and 4.2.x does not support SSDs there aren't any performance numbers out there to show the difference between using SSDs and HDDs as far as I'm aware.
- I'm sorry, I didn't phrase my question well. What I am attempting to determine is if moving to SSD's with O/S6 would be of any benefit in this NAS. If the NIC's are already saturated, going to SSD's wouldn't help at all. I'm trying to determine if the hard drives in XRAID2 are the slowest piece right now, or if the NIC's are the slowest piece. If the hard drives are the slowest, there would be benefit in attempting an upgrade to SSD's. If the NIC's are already the slowest part, no hard drive change is worth it.
Another way of asking it is, with the current hard drives, if the NAS is completely maxed out in throughput while moving data (not writing, but reading), which component is maxed out and holding it from allowing any more throughput? The NICs or the drives? - The 2100 v2 Performance would be similar to that of the Pro 4 (as they both use the same CPU): http://www.readynas.com/?page_id=5410
You can see that a single NIC is pretty much maxed out for writes, but not for reads. I think there would be some performance benefit from using SSDs when using teaming but you could test it out for yourself. - But this is a Pro4, which has dual NICs. Weren't both NICs in use for these tests?
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