This is why you get this confusing error.įstab has many more uses like mounting a partition at boot time, etc. etc/fstab is a file in which you can associate a partition with a mountpoint, allowing you to run mount instead of mount. In the example above we instructed dd to read from the /dev/sda device, and we also changed the block size to 1M, which can give us better performance in such situation. When you're done, don't forget to unmount your USB drive before removing it from the computer: umount /dev/sdb1 Say for example we want to create a clone of the entire /dev/sda block device, we could write: sudo dd if/dev/sda bs1M gzip -c -9 > sda.dd.gz. Note Amazon EFS doesn't require that your Amazon EC2 instance have either a public IP address or public DNS name. Now if you run ls /mnt/mydrive, it should list your drive's files. The EC2 instance on which you mount the file system by using the mount target can resolve the file system's DNS name to the mount target's IP address. Note: If you don't know your drive's device file, you can run sudo fdisk -l or lsblk to identify the partition you're looking for. You can create a file system by using the Amazon EFS console or by using the AWS Command Line Interface (AWS CLI). You can view and copy the exact commands to mount your file system in the management consoles Attach dialog box, described as follows. sudo mount -t efs -o notls file-system-id efs-mount-point/. Mount your drive with this command: mount /dev/sdb1 /mnt/mydrive To mount a file system on an EC2 Mac instance without using encryption in transit, use the notls option, as shown in the following command. To find the device and filesystem type, you can use any of the following commands: fdisk -l ls -l /dev/disk/by-id/usb dmesg lsblk. Assuming that the USB drive uses the /dev/sdd1 device you can mount it to /media/usb directory by typing: sudo mount /dev/sdd1 /media/usb. A mountpoint is a directory wherein your USB drive will be opened and where you will be able to access your files.Ĭreate a directory that you will use as the mountpoint for your drive: mkdir /mnt/mydrive Create the mount point: sudo mkdir -p /media/usb. If you want to open a drive with mount, you need to provide a mountpoint. You can verify that your Amazon EFS file system has been unmounted by running the df command. And unlike Windows drives ( C:, D:, etc.), you cannot access them directly ( cd /dev/sdb1 will inevitably fail, telling you that it is not a directory but a file). Linux uses device files ( /dev/sda, /dev/sdb1, etc.). construct a file tree to hold the various applications (i.e. You probably forgot to tell mount where to mount your drive.
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