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Forum Discussion
Blanker-2
Sep 28, 2018Guide
eda500 options (is this thing problematic?)
Hey guys I'm at my wits end with the eda500. If you look at this thing the wrong way it starts resyncing.
I just got 2 new 8TB reds for my main RN312. In my eda500 I have four 4TB greens and ...
Blanker-2
Oct 11, 2018Guide
Well, glad to hear im not the only one with scrub problems. I got 3 wd reds and im going to put them in the eda500. I have either (approved) 2 seagate 1tb desktop drives or 2 ssd drives to put in the rn 312, just as dummy drives. No plans on utilizing them. We'll see how it goes.
Do you think i would notice any difference in using a pair of ssds in the 316?
Do you think i would notice any difference in using a pair of ssds in the 316?
- StephenBOct 11, 2018Guru - Experienced User
I don't see how SSDs in the main chassis would improve scrub times in the EDA500 volume(s).
- Blanker-2Oct 11, 2018GuideOk. How about overal responsiveness or anything else that would benefit from having ssds?
Thanks Stephen- StephenBOct 11, 2018Guru - Experienced User
Blanker-2 wrote:
Ok. How about overal responsiveness or anything else that would benefit from having ssds?In general, SSDs improve I/Os per second, because they never have to seek. They won't help transfer speeds much on long files, since those are limited by the ethernet speed.
A pure SSD volume will have much better small-file transfers and directory browsing would be much quicker. The hybrid "SSD metadata tiering" would give the same benefits on directory browsing, and also reduces seeking on the mechanical hard drive - not as fast overall, but you are getting the bigger capacity of the mechanical disks.
But it sounds like you are only planning to use them for the OS partition - is that correct? If so, the OS itself would never be blocked waiting for disk seeks. That won't gain you much (if any) performance. But If you have some shares (photos for instance) that have lots of small files in them, then you could set up a RAID-1 volume on the SSDs and move those shares there.
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