Update Date/Time: Mon 20 Sep 21:40:01 BST 2021
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$ /bin/echo "OS: $(/bin/cat /etc/redhat-release) Kernel: $(/bin/uname -r)"

OS: CentOS Linux release 7.9.2009 (Core) Kernel: 3.10.0-1160.24.1.el7.x86_64

$ /bin/echo "Uptime: $(/bin/uptime)"

Uptime:  21:40:01 up 40 days,  8:44,  0 users,  load average: 1.41, 2.05, 2.28

$ /bin/dmesg | /bin/grep 'ZFS: Loaded' | /bin/sed 's/^.*ZFS:/ZFS:/'


$ /sbin/zpool status | /bin/sed 's%\(luks-\)[^[:space:]]\+%\100000000-0000-0000-0000-000000000000%g'

  pool: centos_hell01-serv01-core
 state: ONLINE
  scan: scrub repaired 0B in 0 days 00:01:34 with 0 errors on Mon Sep 20 00:01:36 2021
config:

	NAME                                         STATE     READ WRITE CKSUM
	centos_hell01-serv01-core                    ONLINE       0     0     0
	  luks-00000000-0000-0000-0000-000000000000  ONLINE       0     0     0

errors: No known data errors

  pool: centos_hell01-serv01-data
 state: DEGRADED
status: One or more devices has experienced an unrecoverable error.  An
	attempt was made to correct the error.  Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
	using 'zpool clear' or replace the device with 'zpool replace'.
   see: http://zfsonlinux.org/msg/ZFS-8000-9P
  scan: scrub in progress since Mon Sep 20 00:00:06 2021
	20.9G scanned at 281K/s, 17.0G issued at 229K/s, 5.36T total
	885M repaired, 0.31% done, no estimated completion time
config:

	NAME                                           STATE     READ WRITE CKSUM
	centos_hell01-serv01-data                      DEGRADED     0     0     0
	  mirror-0                                     DEGRADED     0     0     0
	    luks-00000000-0000-0000-0000-000000000000  ONLINE       0     0     0
	    luks-00000000-0000-0000-0000-000000000000  DEGRADED 9.53K 1.79K 12.8K  too many errors  (repairing)
	  mirror-2                                     ONLINE       0     0     0
	    luks-00000000-0000-0000-0000-000000000000  ONLINE       0     0     0
	    luks-00000000-0000-0000-0000-000000000000  ONLINE       0     0     0
	logs	
	  luks-00000000-0000-0000-0000-000000000000    ONLINE       0     0     0
	cache
	  luks-00000000-0000-0000-0000-000000000000    ONLINE       0     0     0

errors: No known data errors

$ /usr/bin/systemctl status sanoid.service -l

● sanoid.service - Snapshot ZFS Pool
   Loaded: loaded (/etc/systemd/system/sanoid.service; static; vendor preset: disabled)
   Active: inactive (dead) since Mon 2021-09-20 21:40:01 BST; 14ms ago
  Process: 14661 ExecStart=/usr/sbin/sanoid --cron (code=exited, status=0/SUCCESS)
 Main PID: 14661 (code=exited, status=0/SUCCESS)

Sep 20 21:40:01 hell01-serv01 systemd[1]: Starting Snapshot ZFS Pool...
Sep 20 21:40:01 hell01-serv01 systemd[1]: Started Snapshot ZFS Pool.