Connect multiple USB devices to the LinkStation via a USB hub

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This article is based on forum posts by lotus49 and Bauldrick.
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{{Template:Articles}}
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''<font color=red><small>
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<font color=red>USB Hard Drive | The LinkStation's USB port may not provide enough current for some USB-powered hard drives.</font>
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This article is based on forum posts by lotus49 and Bauldrick work by mindbender and Sylver.
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Originally by frontalot.
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at Linkstationwiki.org
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</small></font>''<br>
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{{Postit|USB Hard Drive | The LinkStation's USB port may not provide enough current for some USB-powered hard drives.}}
You can connect multiple USB device to the LinkStation via a USB hub. However, you must modify 2 files in order to share more than 1 USB disk. The following information details connecting 2 USB disks but can easily be modified to cover any number of disks.
You can connect multiple USB device to the LinkStation via a USB hub. However, you must modify 2 files in order to share more than 1 USB disk. The following information details connecting 2 USB disks but can easily be modified to cover any number of disks.
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  ### parse usb device info
  ### parse usb device info
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  /usr/bin/parse_usbscsi > /dev/null 2>&1
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  /usr/bin/parse_usbscsi > /dev/null 2>
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start()
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{
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echo "mount usb disks..."
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### read exist files
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while read SD
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do
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CHECK_MOUNT=`cat /proc/mounts | grep ${SD}`
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if [ ! ${CHECK_MOUNT} ] ; then
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if [ ! -f ${LOCK1} ] ; then
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mount -t vfat,ntfs,ext3,ext2 ${SD}1 ${MNT_DIR1}
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case $? in
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0)
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chmod 777 ${MNT_DIR1}
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MOUNT_SD1=1
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echo "${SD},${SD}1,${MNT_DIR1}" > ${LOCK1}
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if [ -d ${MNT_DIR1}/lost+found ] ; then
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rm -rf ${MNT_DIR1}/lost+found
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fi
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;;
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32)
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mount -t vfat,ntfs,ext3,ext2 ${SD}5 ${MNT_DIR1}
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if [ $? -eq 0 ] ; then
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chmod 777 ${MNT_DIR1}
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MOUNT_SD1=1
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echo "${SD},${SD}5,${MNT_DIR1}" > ${LOCK1}
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fi
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;;
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esac
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elif [ ! -f ${LOCK2} ] ; then
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mount -t vfat,ext3,ext2 ${SD}1 ${MNT_DIR2}
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case $? in
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0)
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chmod 777 ${MNT_DIR2}
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MOUNT_SD2=1
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echo "${SD},${SD}1,${MNT_DIR2}" > ${LOCK2}
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touch /var/lock/${SD}
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;;
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32)
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mount -t vfat,ext3,ext2 ${SD}5 ${MNT_DIR2}
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if [ $? -eq 0 ] ; then
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chmod 777 ${MNT_DIR2}
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MOUNT_SD2=1
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echo "${SD},${SD}5,${MNT_DIR2}" > ${LOCK2}
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fi
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;;
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esac
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fi
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fi
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done < /mnt2/usbinfo/list
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if [ ${MOUNT_SD1} -eq 1 -o ${MOUNT_SD2} -eq 1 ] ; then
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# if [ ${MOUNT_SD1} -eq 1 ] ; then
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/etc/init.d/chkshare
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sleep 3
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if [ ${BOOTCHECK} -eq 0 ] ; then
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/etc/init.d/smb restart > /dev/null 2>&1
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fi
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# /etc/init.d/atalk start > /dev/null 2>&1
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fi
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}
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stop()
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{
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echo "unmounting usb devices.."
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MOUNT_SD1=1
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MOUNT_SD2=1
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if [ -f ${LOCK1} ]; then
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rm -rf ${LOCK1}
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umount -f ${MNT_DIR1}
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MOUNT_SD1=0
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sleep 1
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fi
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if [ -f ${LOCK2} ]; then
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rm -rf ${LOCK2}
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umount -f ${MNT_DIR2}
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MOUNT_SD2=0
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fi
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if [ ${MOUNT_SD1} -eq 0 -o ${MOUNT_SD2} -eq 0 ] ; then
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# if [ ${MOUNT_SD1} -eq 0 ] ; then
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/etc/init.d/chkshare
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sync
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sleep 3
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/etc/init.d/smb restart > /dev/null 2>&1
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/etc/init.d/atalk restart > /dev/null 2>&1
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else
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echo ${MOUNT_SD1} ${MOUNT_SD2} >> /tmp/stop.$$ 2>&1
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fi
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}
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case "$1" in
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start)
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start
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;;
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stop)
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stop
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;;
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esac
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exit 0
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2.) Now you have to add some lines (without this modifications the usbdisk would not be shared via samba)
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vi /etc/init.d/chkshare
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''directly after''
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/bin/mkcode -s > /dev/null
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''add this:''
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<font color=red>Different Sharenames | if you change "usbdisk2" in the first and last echo line to something different it will be shared that way!</font>
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CHECK_MOUNT=`grep /mnt2/usbdisk2 /etc/mtab`
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if [ -n “$CHECK_MOUNT“ ] ; then
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  echo “[usbdisk2]“ >> /etc/samba/smb.conf
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  echo “comment = USB HDD2“ >> /etc/samba/smb.conf
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  echo “path = /mnt2/usbdisk2“ >> /etc/samba/smb.conf
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  echo “browsable = yes“ >> /etc/samba/smb.conf
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  echo “writable = yes“ >> /etc/samba/smb.conf
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  echo “printable = no“ >> /etc/samba/smb.conf
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  echo “guest ok = yes“ >> /etc/samba/smb.conf
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  echo “force create mode = 777“ >> /etc/samba/smb.conf
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  echo “force directory mode = 777“ >> /etc/samba/smb.conf
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  echo “###usbdisk2###“ >> /etc/samba/smb.conf
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fi
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3.) Then reboot the Linkstation for the new settings to take effect. The additional USB disk(s) won't appear in the web interface.
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shutdown -r now
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'''mindbender-21.5.06:''' this is true at the moment if you use the 2.6-kernel. if you use the stock-kernel, then you will see the second usb-hdd over the webinterface and you can even format it as normal. in the status screen you will see all the information also accordingly.
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4.) It's worth pointing out that I had already formatted the additional USB disk on another machine before doing any of this. This should all work for vfat, ext2 or ext3 file systems.
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[[Category:USB]]
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Latest revision as of 17:18, 13 April 2007

This article is based on forum posts by lotus49 and Bauldrick work by mindbender and Sylver. Originally by frontalot. at Linkstationwiki.org

USB Hard Drive
Image:Bar.png
The LinkStation's USB port may not provide enough current for some USB-powered hard drives.


You can connect multiple USB device to the LinkStation via a USB hub. However, you must modify 2 files in order to share more than 1 USB disk. The following information details connecting 2 USB disks but can easily be modified to cover any number of disks.

1.) Open the file in a text editor and adjust it to the following: 

vi /etc/murasaki/bin/mount_sd.sh



#!/bin/sh

BOOTCHECK=0
MNT_DIR1=/mnt2/usbdisk1
MNT_DIR2=/mnt2/usbdisk2
LOCK1=/var/lock/mount_sd1
LOCK2=/var/lock/mount_sd2
MOUNT_SD1=0
MOUNT_SD2=0

### check initial devices
if [ $# -eq 2] ; then
BOOTCHECK=1
fi

### parse usb device info
/usr/bin/parse_usbscsi > /dev/null 2>
Retrieved from "http://buffalo.nas-central.org/wiki/Connect_multiple_USB_devices_to_the_LinkStation_via_a_USB_hub"
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