Hi,
the only thing that might help is an export/import, so zfs is forced to re-scan
the pool for operative devices. If that doesn't help
If you suspect the server itself to be the problem, try to attach the drives to
a different box and import the pool there. Just make sure, that the 'new'
Are there any plans to have a tool to restore individual files from zfs send
streams - like ufsrestore?
Specially for recovering from unintended file removal/changes of OS related
files it would be nice to be able to restore just the file in question, instead
of restoring the entire filesystem.