All of the server will reboot automatically.Sometime part of them will reboot, and sometime all of them will reboot at sametime.
All of them work well at the earliest three months.
2014/12/01 Mon 19:07:24 | System Boot / Restart Initiated (SysRestart) | System restart,due to 'restore previous power state' power restore policy,command from ch #0 | Asserted Ok
1、Replace a power supply which make other device work well before. But the result is failed, that server also would reboot.
2、Replace the motherboard of one server, reboot again.
3、Borrow 2 new server to cusomer; the new servers work well. One server is RH2285 V2, the other is RH2288H V2.
4、Replace the power modules between new RH2288H V2 and the old one; The old one will not auto-reboot, but the new one which use the old power modules reboots.
5、Arrange enough power modules to replace the old server's. And ask the channel partner to help the customer check power supply.
If the power supply is very unstable, it may make the power module is not stable. If the wave of power supply is out of the unstable power module, the server will reboot.
Repalce the power module to recover the customer's business. And help the customer to check power supply.
When build a machine room, we must make the power supply stable. If the power supply is unstable, it may cause many strange issue.