V240服务器无法启动：voltage sensor告警

dostoevsky

Sun Fire V240无法启动，只能到ALOM模式。有几个SC ALERT，\r\n\r\nSC Alert: VOLTAGE_SENSOR @ MB.P0.V_CORE has exceeded low warning threshold.\r\nSC Alert: VOLTAGE_SENSOR @ MB.P1.V_CORE has exceeded low warning threshold.\r\nSC Alert: VOLTAGE_SENSOR @ MB.V_VTT has exceeded low warning threshold.\r\nSC Alert: VOLTAGE_SENSOR @ MB.V_VCCTM has exceeded low warning threshold.\r\nSC Alert: VOLTAGE_SENSOR @ MB.V_+2V5 has exceeded low warning threshold.\r\nSC Alert: VOLTAGE_SENSOR @ MB.V_+1V5 has exceeded low warning threshold.\r\n\r\n各位遇到过这种问题吗？谢谢！

dostoevsky

做了一个POST, 结果如下：\r\n\r\n\r\nsc> resetsc\r\nAre you sure you want to reset the SC [y/n]?  y\r\nUser Requested SC Shutdown\r\n\r\nALOM POST 1.0\r\n\r\n\r\nDual Port Memory Test, PASSED.\r\n\r\nTTY External - Internal Loopback Test\r\nTTY External - Internal Loopback Test, PASSED.\r\n\r\nTTYC - Internal Loopback Test\r\nTTYC - Internal Loopback Test, PASSED.\r\n\r\nTTYD - Internal Loopback Test\r\nTTYD - Internal Loopback Test, PASSED.\r\n\r\nMemory Data Lines Test\r\nMemory Data Lines Test, PASSED.\r\n\r\nMemory Address Lines Test\r\n  Slide address bits to test open address lines\r\n  Test for shorted address lines\r\nMemory Address Lines Test, PASSED.\r\n\r\nMemory Parity Test\r\nMemory Parity Test, PASSED.\r\n\r\nBoot Sector FLASH CRC Test\r\nBoot Sector FLASH CRC Test, PASSED.\r\n\r\n\r\n\r\nReturn to Boot Monitor for Handshake  \r\nALOM POST 1.0\r\n   Status = 00007fff\r\n\r\nReturned from Boot Monitor and Handshake\r\n\r\n\r\n\r\nClearing Memory Cells\r\nMemory Clean Complete\r\n\r\n\r\nLoading the runtime image... \r\nSC Alert: SC System booted.\r\n\r\nSC Alert: Host System has Reset\r\n\r\n\r\nSC Alert: VOLTAGE_SENSOR @ MB.P0.V_CORE has exceeded low warning threshold.\r\n [SC Status 7fff - OK] Enter #. to return to ALOM.\r\n\r\nSC Alert: VOLTAGE_SENSOR @ MB.P1.V_CORE has exceeded low warning threshold.\r\n\r\nSC Alert: VOLTAGE_SENSOR @ MB.V_VTT has exceeded low warning threshold.\r\n\r\nSC Alert: VOLTAGE_SENSOR @ MB.V_VCCTM has exceeded low warning threshold.\r\n\r\nSC Alert: VOLTAGE_SENSOR @ MB.V_+2V5 has exceeded low warning threshold.\r\n\r\nSC Alert: VOLTAGE_SENSOR @ MB.V_+1V5 has exceeded low warning threshold.

lemontonys

电压过低！我也遇到过，状态报警灯一直亮，不过还好，机器能起来，里面的messages没发现警告或报错信息。

要努力学习

整个稳压器啊```或弄个UPS啊  呵呵

dostoevsky

问题解决了！是机器的电源模块坏了。这是一台定制的SUN服务器，有三个电源模块，如果有两个正常就可以工作。后来从另一台上取了一个好的电源模块换上就好了。谢谢大家！