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Old 01-01-2011, 02:41 PM   #1
Fred Caro
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centos 5 does not recognise usb


Dear all,
for what it is worth, I had a problem with centos 5 not recognising usb sticks dispite installing and using centos 5 on different computers. This was cured by slotting the stick in imediatly after start up which seems odd but I have seen others having similar problems.
 
Old 01-01-2011, 02:54 PM   #2
lazlow
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Which version of Centos5 are you running (5.0-5.5)? I recall some issues when 5.0 first came out but I thought one of the early kernel upgrades took care of that.
 
Old 01-01-2011, 03:41 PM   #3
redhatstand
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Are you sure that was CentOS and not just the BIOS?

Some BIOS have an external device boot priority but stall if they find a device with an unrecognised filesystem.
 
Old 01-02-2011, 10:08 AM   #4
Fred Caro
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usb on centos

I was using centos 5.2 with updates and the usb file system was fat and recognised by all other Linux versions I am using.
I noted that there were more updates pending but it recognised the usb before these were installed but only, it seemed, because I inserted it straight after start up.
I have also noted that someone else cured the problem by connecting up the front usb ports which is difficult to do if you don't have any. If you do and it works then that has to count as a bonus.

Fred.
 
Old 01-02-2011, 10:24 AM   #5
lazlow
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Wether this is a problem or not, Centos only supports the most current release of each version. With Centos 5 (not 5.0) the only supported version is 5.5. When each new release (5.4 to 5.5) comes out the system is normally updated to the current relase level automatically. If you run:

Quote:
cat /etc/redhat-release
and it does not come back 5.5 then someone has altered the setup. This means that you would not have gotten any of the updates since 5.3 was released.
 
Old 01-02-2011, 01:37 PM   #6
redhatstand
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And to clarify my post: I actually meant to say 'unbootable filesystem' - certainly my Dell ML110 would not boot with a unbootable usb stick plugged in until I moved 'boot from USB' to the bottom of the boot priority list...
 
Old 01-04-2011, 07:15 PM   #7
Fred Caro
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usb on centos

Yes running cat did confirm that it had updated to 5.5 but it would still not recognise usb sticks but the difference still only came after inserting it immediately after start up, I have little idea why unless it was hardware related, motherboard being a Biostar MCP6P M2+, still it is sorted now and without much grief.

fred.
 
  


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