After i was disappointed with the performance of an external USB drive with my Synology DS251j i did some transfer tests on the shell.
Interestingly i found that copying a 1GB test file takes over three times longer using
rsync than using a simple
I could not confirm this behavior on a desktop linux. Has anyone else had a similar experience? Is there something wrong with
rsync on the DS?
#!/bin/bash sync echo `date +%M:%S` cp /volume1/a.tmp /volumeUSB1/usbshare sync echo `date +%M%S` rsync /volume1/b.tmp /volumeUSB1/usbshare sync echo `date +%M:%S`
b.tmp are each of 1GB,
volume1 is the mountpoint for the internal drive
/volumeUSB1/usbshare is the mountpoint of the USB 3 drive.
Another confirmation for this behaviour is the fact that i could easily backup the whole drive overnight using
cp while this was not possible with