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Old 02-21-2008, 08:22 AM
anc
 
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Default External USB hard drive and cameras with Gentoo

Using Gentoo 2004.2, kernel 2.4.26. I have modules usbcore,
usb-storage, sd_mod, sg (if required) compiled as mnodules.
First problem is I cannot access my digital camera via the
USB port which will be accessed as /dev/sda1.

Second problem is my old hard drive is connected using a
USB to IDE connector, and I am trying to access partition 7
(reiserfs /dev/sda7).

I have created mount point of /camera and /sda7, extract
of /etc/fstab:

/dev/sda1 /camera auto noauto,users,rw 0 0
/dev/sda7 /sda7 reiserfs noauto,users,rw 0 0


I get the following error when trying to mount my external hard drive:

anc@orac anc $ mount /sda7
mount: /dev/sda7 is not a valid block device

/dev/sda7 does not exist in Gentoo so I created it using kernel major
8 and minor 7
anc@orac anc $ ls -l /dev/sda7
brw-r--r-- 1 root root 8, 7 Oct 20 19:36 /dev/sda7

.........but as gentoo uses the devfs surely this is wrong as other
devices i.e. dev/hda1 are symbolic links. After reading the Gentoo File
System Device Guide I believe I should be symbolicly linking /dev/sda7
to /dev/scsi/xxx/xxx

My question is what do I create under /dev/scsi and do I still use mknod
to create the new devices?
Thanks in advance.



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