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Is it possible to add a disk drive to a RPi

colnelb

I would like to add a 300GB USB disk drive to my RPi.  I have the latest download of the Debian OS for my RPi.  I have attached the disk drive to a USB hub that I have on the RPi.  Looking at the log messages, I see the message that the system has identified the drive on USB 1-1.3.4.3, but in never seems to get beyond that.  Are there any suggestions?  I would like to be able to do a permanant mount of this drive.

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  • It's difficult to do a permanent mount of what is essentially a removeable, hot-pluggable, device. You can try the following though

     

    # blkid

    /dev/sda1: UUID="898ee85d-ee12-4ab1-af0b-dece508ba70a" TYPE="jfs"

     

    then edit /etc/fstab and add a line like the following

    /dev/disk/by-uuid/898ee85d-ee12-4ab1-af0b-dece508ba70a    /data     jfs     defaults     0     1

     

    where /data is the mountpoint and needs to exist as an empty directory. Make sure the file ends with a blank line.

     

    Whether this is automatically mounted for you on boot depends somewhat on whether the disk has spun up and the usb subsystem has detected it before the boot sequence has tried to mount devices from fstab.  If it doesn't mount automatically, you can simply type 'mount /data' later to mount it.

    If you reformat, repartition, change the filesystem type, then it's a good bet that the uuid will be re-written and you'll need to update the line in fstab.

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  • It's difficult to do a permanent mount of what is essentially a removeable, hot-pluggable, device. You can try the following though

     

    # blkid

    /dev/sda1: UUID="898ee85d-ee12-4ab1-af0b-dece508ba70a" TYPE="jfs"

     

    then edit /etc/fstab and add a line like the following

    /dev/disk/by-uuid/898ee85d-ee12-4ab1-af0b-dece508ba70a    /data     jfs     defaults     0     1

     

    where /data is the mountpoint and needs to exist as an empty directory. Make sure the file ends with a blank line.

     

    Whether this is automatically mounted for you on boot depends somewhat on whether the disk has spun up and the usb subsystem has detected it before the boot sequence has tried to mount devices from fstab.  If it doesn't mount automatically, you can simply type 'mount /data' later to mount it.

    If you reformat, repartition, change the filesystem type, then it's a good bet that the uuid will be re-written and you'll need to update the line in fstab.

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