ERROR: 0xFC0B0204 C4 Mirror device not available (mirrorb)

Hello Guys,

Could you please explain me what it means exactly and how I can handle it? Because of this failure system is stuck in Service mode. We can not continue to install the node.

2017-09-28 22:20:13 doesn't exist yet. Sleeping. (2s left).

2017-09-28 22:20:14 doesn't exist yet. Sleeping. (1s left).

2017-09-28 22:20:15 Increment the boot counter and go straight into Service Mode

2017-09-28 22:20:19 0xFC0B0204 C4 Mirror device not available (mirrorb).

2017-09-28 22:20:19 ERROR: 0xFC0B0204 C4 Mirror device not available (mirrorb).

2017-09-28 22:20:19 tar: Removing leading `/' from member names

2017-09-28 22:20:19 Saving logs to bootflash area

2017-09-28 22:20:23 ============================================================

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2017-09-28 22:20:23 ===   ***  Going into service mode because of a fault  ***

  ===

2017-09-28 22:20:23 ============================================================

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Thanks and regards

///Yasin Kunduraci