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SSD + 3x2TB Raid5 - performance okay?

post #1 of 7
Thread Starter 
So after doing some research and tearing my hair out - I realized that my Maximus V Formula has 4x Sata3 6GB Asmedia ports, 2x Sata2 3GB Intel and 2x Sata3 6GB Intel. Intel only supports HW Raid and Asmedia has to be done through windows. Okay, fine, but now how do I decide which to plug-in where? I ended up doing benchmarks with the AS SSD tool and stuck the SSD in the 6GB port, left the other 3 HDDs in the 2 x SATA2 3GB ports and the 1 x Sata3 6GB port.

So this was my HDD benchmark but not sure if this is good or bad for a HDD Raid 5 setup?

Should I just plug my SSD into the Asmedia 6GB port and put the two 2TB in the intel SATA3 ports with one in the SATA2 ports?

TIA!
 
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Lester the Tester
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post #2 of 7
with 3x 2TB in raid 0 youshould get 660MB/s maximum read and write speeds. Also get 6tb of storage.

4K performance will always be less than ssd. but I think your gonna get better performance if you just use 3x 2tb hdds in raid 0.
Get a back up system like usb external hdd or internal hdd.

I use 8x hdds in raid 0 and get massive performance gains. My raid system had been used for a long time and never had a plorbem with hdds failing or data coruption.
As I never shock or hit my hdds and have a fan blowing on them keeping them below 40C
post #3 of 7
Thread Starter 
That's great and all, but i'm running Raid 5 tongue.gif

I will have all my photos and stuff on this array so I don't want to risk losing it should a HDD go bad in Raid 0.

What's the write speed you get in Raid 0 with the 8x hdd setup? biggrin.gif
 
Lester the Tester
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Lester the Tester
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post #4 of 7
1770MB/s read writes maximum, which is sequnal.
2960 read write speed which if I am reading something that is about 50mb large.

More than 1.1GB/s transferspeed using crystal disc mark 32GB sequanal.

About 450-500mb/s average coppy speed in windows 7 when coppying 32gb of approximatly 2gb video files each.

a single 2gb video can get coppyed in like 1-5secs.

using a lsi9261-8i raid card

file extract always quick too, 2gb files get extracted in seconds upto 1 minute maximum depending on data type

8x 1tb hdds in raid0 gives me 8tb of data sotrage.

I actually think that raid 0 with a back up is equally safe with comparison to other storage methods.
I reckon any one that uses any type of storage without backing up data has much higher chance of losing data with comparison to raid0 with back up coppy of data.

used raid zero for more than 3 years already and still have my data from 6 years ago. example of how safe data is if when you have a good habit of backing up data
post #5 of 7
Thread Starter 
I know Raid 0 can be reliable for a while if the conditions are right but given that it is a piece of technology and it has mechanical elements, there is a possibility of failure and I would not like to take my chance on it failing. I've got hdd's that I've backed up photos to but this is more of a piece of mind that I can replay a drive in the array and call it a day.
 
Lester the Tester
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Lester the Tester
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post #6 of 7
Simplest answer. Get another 2TB drive and create RAID10 volume if you really want to stick with RAID at all. R10 volume rebuilds much faster than 5, under certain conditions can survive 2 drive fails (when both stripes fails you still have 2 mirror parts) and for optimum efficiency you need at least 6 drives for RAID5 to work without performance penalty (parity calculations). R10 is array which does not require that and as such always work at peak efficiency at every level - 4/6/8/10/12 drives (note: intel chipset only support 4 drive config, but big RAID controllers support 4,6,8,10 and so on).

I would suggest to try drive pool setup. You can use any drive, any port, ordinary NTFS, no proprietary software (meta-data) required, no data is lost outside corrupted drive if pool fails, SSD caching supported. Look no further than StableBit DrivePool. Try it, you won't regret it (14 day trial, license for pool manager and scanner is 40$). RAID today is really thing of the past if everything you want is redundancy - pool supports infinite redundancy (duplication) if you can provide enough of storage.
post #7 of 7
Well if you run raid 10 you with four drives, you only get double the single drive perfomance and storage
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