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12 votes
4 answers
1k views

Is it worth buying SSDs for a RAID?

Im seeing people using SSDs for RAID-0 and getting excellent improvements in read/write rates. But now there is a good opportunity to acquire another SSD Force Corsair F60 identical to mine. I'm ...
3 votes
1 answer
3k views

Can I RAID 0 two secondary drives without involving my primary disk?

I have a 60GB SSD as my primary OS drive. It has a few core applications on it, but because of the size, I don't want to put too much on it. My intention is to get two 1TB drives to use as storage ...
8 votes
3 answers
7k views

Practical RAID Performance?

I've always thought the following to be a general rule of thumb for RAID: RAID 0: Best performance for READ and WRITE from stripping, greatest risk RAID 1: Redundant, decent for READ (I believe it ...
2 votes
3 answers
602 views

Will setting up a RAID-0 array boost my IO performance?

I currently have a single 640 WD HDD with 16MB cache. Sometimes during heavy I/O usage the machine slows down. Would I benefit much by getting a second HDD identical to the first and setting up a ...
3 votes
1 answer
2k views

LVM vs /dev/md0 performance problem

I am trying to tune my NAS, running openfiler, and wondering why I'm getting relatively poor read performance from 4 WD RE3 drives in RAID 5. When I run hdparm on the meta device I get the levels of ...
2 votes
1 answer
980 views

Can you explain these PassMark Disk Scores on my RAID1 vs RAID10 volumes?

I need some help in interpretting the following speed tests on two Volumes on my home PC. The test: CrystalDiskMark 2.2 Windows 7 Disk Cache was disabled Both volumes were 0% fragmented before the ...
7 votes
3 answers
2k views

Recommendations for hard drive performance boost

I'm going to be building a new system soon and I'm willing to spend a few more dollars to improve my hard drive performance. This will be a general use system so I just want to see HD intensive tasks ...

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