Internally zpool export will call unshare and umount, so a "pool is busy" indicates that process(es) has/have one or more files open and so this operation fails.
One can check for these processes using either:
lsof -Pn
or
fuser -vm /poolname
(where poolname is the name of your pool)
and it's worth checking the status of the pool using:
Internally zpool export will call unshare and umount, so a "pool is busy" indicates that process(es) has/have one or more files open and so this operation fails.
One can check for these processes using either:
lsof -Pn
or
fuser -vm /poolname
(where poolname is the name of your pool)
and it's worth checking the status of the pool using:
zpool status -v