BlueScripts » Loopback device http://bluescripts.net Just another WordPress weblog Mon, 06 Sep 2010 02:01:34 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Interesting Loopback Device issue on CentOS http://bluescripts.net/2009/08/interesting-loopback-device-issue-on-centos/ http://bluescripts.net/2009/08/interesting-loopback-device-issue-on-centos/#comments Mon, 03 Aug 2009 23:03:17 +0000 Josh http://bluescripts.net/2009/08/interesting-loopback-device-issue-on-centos/ Was playing around with using the loopback devices to mount some OS images on CentOS and following the losetup followed by a mount command would indeed mount the image, but umount wouldn’t unmount it and would leave it stagnant, leaving me with this error:

ioctl: LOOP_CLR_FD: Device or resource busy

Interestingly enough though the lomount command

lomount -diskimage OS.img -partition 1  /MOUNTFOLDER

and then using umount to unmount the mountfolder would unmount the loopback device properly and free it for re-use.

Hope this helps someone!

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