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File Copy Slowing Down after a Few seconds
Posted 26 August 2009 - 11:56 PM
problem is that whenever i copy files from my primary drive to the new drive , it slows down overtime
the transfer rate starts around 70-80mbps , will slow down to 30-40mb after 6-8 seconds.... and will drop down to around 5mb
tried moving the new drive into another system with vista... and file transfer rate was fast
already check for DMA settings and Write Caching
Posted 27 August 2009 - 12:31 AM
if it gets down to 5 then there may be a problem, or is it just copying many small files when it hits that speed?
Desktop: || lappped Q6700 w/ lapped TRUE || ASUS P5Q Deluxe|| Sapphire 4870 1GB || Mushkin Ascent XP2-8500 (2x2GB) || 2 x WD6400AAKS || Corsair HX620W || Lian-Li PC-60FB || 2 x BenQ G2400WD || Vista Ultimate 64bit || Samsung SH-S223Q || Logitech MX518 || Logitech Ultra-X || SteelSeries SX || Klipsch ProMedia Ultra 5.1 || ATI TV Wonder 650 PCIe ||
Server: || E5200 w/ XIGMATEK HDT-S1283 || ASUS P5Q-EM || EVGA 8800GTS G92 w/ Accelero S1 R2 || G.SKILL 6400 2x2GB || 1 x WD6400AAKS || 4 x 1TB Samsung F1 || SeaSonic M12II SS-500GM || Antec Three Hundred || Samsung SH-203BL || Ubuntu 8.10 ||
Posted 28 August 2009 - 12:03 AM
Maybe your security software is slowing things down. Try disabling it and try to copy the files again to rule that out.
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Posted 28 August 2009 - 12:52 AM
Speed of copying files can be affected by:
- amount of system cache available
- filter drivers such as AV or backup agents (also firewall filter drivers if the copy goes over a network)
- fragmentation of the source data
- location on the physical disk platter where the data resides: the closer to the end of the disk, the lower the read/write performance
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Posted 04 September 2009 - 02:12 AM
Posted 04 September 2009 - 10:03 AM
The behavior is manifesting as if it was a filter driver, network driver, or even switch issue to me. I cannot repro this, and I'm copying from a physical HP workstation running Win7 to physical and virtual hosts running a few different Windows OSes as above.
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Posted 04 September 2009 - 10:36 AM
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