[NTLUG:Discuss] USB hard drive question

Chris Cox cjcox at acm.org
Tue Jun 10 18:32:12 CDT 2008


Chris Cox wrote:
> Mike LaPlante wrote:
>> Fred James wrote:
>>> All
>>> I have two external USB hard drives on my Linux box, they never get 
>>> unplugged, and they are listed in fstab.  But on boot they don't always 
>>> come back as expected - the one I think of a ONE, might come back as 
>>> TWO, etc.  Is that just a feature of the beast?  BTW - Restarting 
>>> usually fixes that.
>>> Regards
>>> Fred James
>>>   
>> You can setup Udev rules to identify each drive and create symlinks such 
>> as /dev/usbdriveONE and /dev/usbdriveTWO.
>>
>> The idea is to setup a rule that on boot detects things like 
>> make/model/serial number and creates a symlink from /dev/sdb1 to 
>> /dev/usbdriveONE. While the device may differ from sdb to sdc on each 
>> boot, the symlink should remain correct. So you would use the symlink in 
>> your fstab.
>>
>> Afraid I won't be much help giving specific instructions though, I had a 
>> hell of time getting the rule for my two PVR cards to work right. Ended 
>> up just taking stabs at it and lots of reboots later it seemed to be 
>> working so I've left it alone ever since.
>>
>> This site may be of help if you're up to the long read.
>>
>> http://www.reactivated.net/writing_udev_rules.html
> 
> You can read my unfinished article (it's cluttered at the bottom
> with junk... thus... it's unfinished).. you have to log
> into the ntlug site do view it though...
> 
> Use GuestReader and the word guest written twice to login
> as the password.
> 
> If that helps...

Article url (won't see anything if not logged in)
http://www.ntlug.org/Articles/Hotplug



More information about the Discuss mailing list