Re: zpool export: umount failed, device inexplicably busy (lsof found nothing)

2020-11-26 Thread Kurt Jaeger
Hi! > If the problem recurs: is it _ever_ sane to get nothing listed by lsof > for a volume that can not be unmounted? Use fstat -- this is part of the base system. Maybe lsof does not catch every corner case ? -- p...@opsec.eu+49 171 3101372Now what ?

zpool export: umount failed, device inexplicably busy (lsof found nothing)

2020-11-25 Thread Graham Perrin
On 11/10/2020 11:21, Graham Perrin wrote: On 06/10/2020 21:29, Graham Perrin wrote: lsof finds no open file. How else might I tell why the device is busy? Mobile hard disk drive, USB. The same problem this morning, root@momh167-gjp4-8570p:~ # zpool export Transcend cannot unmount