Re: mount: /dev/sdb1 already mounted or /blah busy

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On Tue, Apr 22, 2008 at 12:39:41PM -0700, Al Sparks wrote:
> How do I go about troubeshooting this?  I'm using RHEL 4 update 6.
> 
>    mount: /dev/sdb1 already mounted or /blah busy
> 
> It's actually an iSCSI LUN (NetApp filer).  I successfully configured (ext3) and mounted it, but when I rebooted, the /dev/sdb1 device/partition is seen by the kernel and it shows up with "fdisk -l".
> 
> Nevertheless I get that error.  I've tried "umount" and am informed that /blah isn't mounted.  I've tried "lsof" and don't find a process that's attached to /blah.
> 
> I also tried "fsck -t ext3 /dev/sdb1" which worked (so it detects the ext3 file system).
> 
> Any other tools to check out?
cat /proc/mounts
cat /proc/mounts | grep sdb1

You could possibly have /dev/sdb1 already mounted at some different mount point.
If that doesn't help, look for aliases for sdb1 in /dev


>    === Al

Regards,

Wojtek

> 
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