We have observed that the wrong uptime are shown by Obsevium see below example, I have seen

From SSH shell

@storage01:~# uptime

07:23:42 up 818 days, 15:34, 1 user, load average: 0.37, 0.46, 0.43

From observium

Linux storage01 3.2.0-4-amd64 #1 SMP Debian 3.2.88-1 x86_64

Hardware Generic x86 [64bit]

Operating system Linux 3.2.0-4-amd64

System name storage01

Contact Converged Telecoms isp@convergedgroup.net

Location Isando, JHB, South Africa

Load average 0.35, 0.51, 0.43

Uptime 1 year, 54 days, 8h 8m 31s

Last reboot 2018-08-01 23:13:34

In another place on a netgear M4300 stack it show more uptime than what is actually up for.

From switch

System Up time 61 days 7 hrs 25 mins 56 secs

From observium

Vendor/Hardware Netgear M4300-24X24F

Operating system Netgear Managed Switch (FastPath) 12.0.2.15 (QOS IP Multicast IPv6 Stacking)

System name edge1.converged.local

Location Isando, Johannesburg, South Africa

Serial 4G52687G80066

Uptime 268 days, 12h 35m 33s

Last reboot 2018-12-30 18:44:30

Regards

Pieter Meyer