Oops umount failed :-(

When I was testing my setup for the NovellCongres.nl my Virtual Machine with SLES10SP2 with VMI kernel wouldn’t properly shutdown without giving a error trying to umount the root filesystem:

Oops umount failed 🙁

After searching the Internet with Google if found the solution:

  • Open the file /etc/init.d/boot.localfs with you favorite text editor
  • find all umount part and add the option -l (lazy) to the umount command.

Thats it.

This option will detach the filesystem form the filesystem hierachy now, and clanup all references to the filystem as soon as it is not busy any more.

About Michael
Michael Wilmsen is a VMware training/consultant (no specific order) with more than 15 years in the IT industry. Main focus is VMware vSphere, Horizon View and Site Recovery Manager with a deepdive to performance. Michael is VCDX 210, VCAP 4/5 certified, has been rewarded with the vExpert title from 2011, is a PernixPro, Nutanix Tech Champion and a Nutanix Platform Professional.

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