amazon web services - How to check Disk information of EBS volume -


i wanted compare disk performance of aws ebs other system, can me find out count of cylinders , head of harddisk.

i tried following , not working.

sudo hdparm -i /dev/xvda1  /dev/xvda1:  hdio_drive_cmd(identify) failed: invalid argument 

sudo fdisk -l

should trick


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