add pipe viewer utility
Pleas add PV [pipe viewer] to the freenas image.
this will give the ability to monitor zfs send and receives.
This is from the Oracle man page:
Progress Reporting With ZFS Send Streams
You can include a progress report and estimated size of your ZFS send stream during the transfer process.
To estimate the ZFS send stream size:
- zfs send -rnv pool/opt@snap1
to pool/opt@snap1to pool/opt/vol1@snap1
estimated stream size: 10.1G
To monitor the stream size during transfer process:
- zfs send pool/opt@snap1 | pv | zfs recv tank/opt
8.58GB 0:02:37 [95.7MB/s]
This enhancement provides visibility into your ZFS send stream transfers so that you can improve planning and scheduling of replication operations.
Here is the location the the PV utility :