search for: hdio_drive_cmd

For the inspection of the docs group: http://wiki.centos.org/TipsAndTricks/IdentifyHardDisk Phil

Can someone please explain what's wrong here. And how to solve it. I run CentOS-4.1 MSI K8N Neo Platinum Athlon 3000 Seagate Barracuda 7200.7 S-ATA disc [root at amd64 kai]# /sbin/hdparm -tT /dev/sda /dev/sda: Timing cached reads: 2808 MB in 2.00 seconds = 1402.81 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device Timing buffered disk reads: 166 MB in 3.01 seconds = 55.07 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device [root at amd64 kai]# [root at amd64 kai]# /sbin/hdparm -i /dev/sda /...

...ke a graph of the result (file Test-114) The HD is a WDC WD400BD-75JM hdparm result: --------------------------8<-------------------------------------------- ------------- systemtest:/proc/scsi# hdparm -tT /dev/sda /dev/sda: Timing cached reads: 4260 MB in 2.00 seconds = 2129.87 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device Timing buffered disk reads: 170 MB in 3.02 seconds = 56.29 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device ---------------------->8---------------------------------------------...

Hi there, I'm running a centos 5.2 (with a centos 5.3 kernel) on a box with a samsung 1To green edition, and this disk looks a bit slow to me and it's not recognized by hdparm : # hdparm -iI /dev/sda /dev/sda: HDIO_GET_IDENTITY failed: Invalid argument HDIO_DRIVE_CMD(identify) failed: Invalid argument # hdparm -tT /dev/sda /dev/sda: Timing cached reads: 2252 MB in 2.00 seconds = 1125.57 MB/sec Timing buffered disk reads: 94 MB in 3.05 seconds = 30.81 MB/sec I've got a samsung 640go on my desktop running ubuntu (kernel 2.6.27-11), hdparm -iI is wo...