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Anyone here use NAS (Network Accessible Storage) devices?
lilshawn:
--- Quote from: wesbrown18 link=topic=131546.msg1356340#msg1356340 ---I built a 40gbps Infiniband fabric for the HPC cluster at my $DAYJOB, and there is so much lore involved. But we push 8 gigabytes a second of data, continuous, across the entire fabric.
--- End quote ---
i'm too lazy/cheap to buy a gigabit switch for my network. still runnin' 100 :lol
MonMotha:
I honestly don't know how people put up with 100Mbps LANs, anymore. I'm seriously considering upgrading to 10GbE. The only reason I haven't is that most of my storage at the moment is cheap and can't really go much faster than 1Gbps, anyway.
drventure:
Gigabit's cheap. I don't know much about 10gb so I can't comment there.
shponglefan:
Gigabit is definitely worth it over 10/100. I recently upgraded my network to gigabit; turns out I just needed to replace one 10/100 switch and it cost all of $30 to do so.
However, I can't see going faster. I find I top out my network speeds at about 40-45 MB/s (uploading to my NAS). Looks like HD speed is the limiting factor. I suppose if I had striped RAID on both ends, it would be faster, but honestly doesn't seem worth it at this point.
wesbrown18:
--- Quote from: shponglefan on May 01, 2013, 08:13:21 pm ---Gigabit is definitely worth it over 10/100. I recently upgraded my network to gigabit; turns out I just needed to replace one 10/100 switch and it cost all of $30 to do so.
However, I can't see going faster. I find I top out my network speeds at about 40-45 MB/s (uploading to my NAS). Looks like HD speed is the limiting factor. I suppose if I had striped RAID on both ends, it would be faster, but honestly doesn't seem worth it at this point.
--- End quote ---
If you just replaced your switch, you should consider replacing the ethernet cabling with good quality Cat-5e. I've done extensive testing with Gigabit, and find that usually when we hit 50MB/s, it's an issue with the cabling. What's adequate for 100mbps isn't adequate for Gigabit.
You can get about 100MB/s to and from a consumer-grade NAS if you have about four drives. If you have it in a RAID-5, it's going to really slow things down.
My own setup pushes 400MB/s, but that's with aggressive caching, look-ahead reads, a caching SSD, and a pair of log SSDs for writes, and 32GB of RAM pretty much devoted to the NAS.
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