ZFS datasets without / are ommited

[foxycode]

Just had big problem with customer because monitoring didn't sent alert.

Problem is with this line:

DISKs=$(echo -ne $(df -PB1 | awk '$1 ~ /\// {print}' | awk '{ print $(NF)","$2","$3","$4";" }') | gzip -cf | base64)

When I have datasets without / like data or storage, they are ommited and thus alert are not sent for them.

# df -PB1
Filesystem                                                                              1-blocks          Used    Available Capacity Mounted on
rpool/ROOT/ubuntu                                                                    69675253760    7384203264  62291050496      11% /
rpool/USERDATA/root                                                                  62951522304     660471808  62291050496       2% /root
rpool/ROOT/ubuntu/srv                                                                62291181568        131072  62291050496       1% /srv
bpool/BOOT/ubuntu                                                                     1355284480     198574080   1156710400      15% /boot
data                                                                                700324773888  255627624448 444697149440      37% /data
storage                                                                            3851590041600 3267272638464 584317403136      85% /storage