[EMAIL PROTECTED]:~# hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 2188 MB in 2.00 seconds = 1093.07 MB/sec
HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device
Timing buffered disk reads: 96 MB in 3.03 seconds = 31.69 MB/sec
HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device
Hmm, rather slow drives by the looks of it. I would expect most modern drives to do around 50MB/s not 30MB/s. I get 44MB/s on my 120GB WD SATA drive. It looked like it was a seagate that you are using. I wonder if they have gotten better, since I recall reading some not so nice opinions on Seagate SATA drives by Hedrick.
To exclude DMA as possibilty:
/dev/sda: setting using_dma to 1 (on) HDIO_SET_DMA failed: Inappropriate ioctl for device [EMAIL PROTECTED]:~# hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 2124 MB in 2.00 seconds = 1060.04 MB/sec
HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device
Timing buffered disk reads: 96 MB in 3.01 seconds = 31.88 MB/sec
HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device
With kind regards, Oliver Korpilla
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