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Slow parity check speed

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Hi all,

 

There are other threads on this topic, but I can't figure out why my speed is so slow. I get about 15,000 K/second.

 

My log is attached. I checked my bios, and I'm running with the "enhanced" setting for SATA devices.

 

Hi all,

 

There are other threads on this topic, but I can't figure out why my speed is so slow. I get about 15,000 K/second.

 

My log is attached. I checked my bios, and I'm running with the "enhanced" setting for SATA devices.

 

 

It must be your P3 processor.

 

 

Bill

  • Author

lol...I'm using the old standard D865GLC motherboard bought from lime.

From your log you have 9 hard drives in your array.  Parity-check speed is indicating the rate data is being read from the parity drive, but all the hard drives are being accessed in parallel.  Hence there is 15,000KB/sec x 9 = 135MB/sec of data moving internally, which isn't bad for that motherboard.

 

In all honesty though, parity-check/sync speed really isn't very important because those are two operations rarely done.

I see you have IDE drives mixed with SATA.  I have a similar setup with 7 IDE drives and 3 SATA (one of which is parity drive).  If you check back from time to time, you'll see the speed change drastically once it's finished with the IDE drives and goes to the SATA.  ~15,000K is exactly what I get from my IDE's, but when it switches to the SATA drives it jumps up to ~35,000K-40,000K.

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