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Both files contain the statistics of the first partition (/sys/block/sda1/stat) of the first device (/sys/block/sda1/stat) found by a particular driver or subsystem. The difference is the driver. Your amazon VM is using the Xen driver (/sys/block/xvda1/stat). Your local machine is using the SCSI driver (/sys/block/sda1/stat). xvd = Xen Virtual Disk sd ...


The /sys directory is generally where the sysfs filestystem is mounted, which contains information about devices and other kernel information. The files in /sys/block contain information about block devices on your system. Your local system has a block device named sda, so /sys/block/sda exists. Your Amazon instance has a device named xvda, so ...

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