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Windows server 08 software RAID 5 slow reading (but not writing)??

  • NAS / RAID
  • Windows Server
  • Software
  • Storage
Last response: in Storage
July 6, 2009 2:55:18 PM

i have a computer with the following specs:

athlon x2 5000
AMD 780G / SB700
2GB ram
6 x 640GB 7200 rpm desktop drives in software RAID 5 on Windows Server 08 with SP2

im having a strange problem where the read speed from the RAID is very slow (6 to 10 MB / s, used to be 5 or 6 times this much) but write speeds are normal (~40 MB/s)

any ideas?

More about : windows server software raid slow reading writing

July 7, 2009 3:42:42 AM

Have you run any RAID diagnostics? There should be some available through your BIOS, or on the installers that came with your RAID controller.
a c 127 G Storage
July 8, 2009 4:27:24 PM

How do you measure the speeds, can you post a benchmark like HDTune or ATTO?