Data Degraded - Webinterfacce offline - ssh active - need help

StephenB

Thanks a lot for your support:

All 4 Disk are green and in good condition.

Status: Management service is offline 

Successfully completed diagnostics System

• Volume swap is 100.00% full
• Volume data is 93.59% full

Logs

• 2017-09-18 17:17:21: md/raid:md127: raid level 5 active with 3 out of 4 devices, algorithm 2
• 2017-09-17 22:26:57: ufsd: "umount" (sdd1): is unmounted at 2017-09-17 20:26:57
• 2017-09-17 21:32:55: ufsd: "mount" (sdd1): is mounted as NTFS at 2017-09-17 19:32:55
• 2017-09-17 21:21:17: ufsd: "umount" (sdd1): is unmounted at 2017-09-17 19:21:17
• 2017-09-17 21:08:33: ufsd: "mount" (sdd1): is mounted as NTFS at 2017-09-17 19:08:33
• 2017-09-17 20:54:20: md/raid:md127: raid level 5 active with 3 out of 4 devices, algorithm 2
• 2017-09-17 20:39:48: ufsd: "umount" (sdb): is unmounted at 2017-09-17 18:39:48
• 2017-09-17 16:04:55: ufsd: "mount" (sdb): is mounted as NTFS at 2017-09-17 14:04:55
• 2017-09-17 15:59:49: md/raid:md127: raid level 5 active with 3 out of 4 devices, algorithm 2
• 2017-09-17 15:42:05: md/raid:md126: raid level 5 active with 3 out of 4 devices, algorithm 2
• 2017-09-17 15:42:04: md/raid:md127: raid level 5 active with 3 out of 4 devices, algorithm 2
• 2017-09-17 10:56:27: md/raid:md126: raid level 5 active with 3 out of 4 devices, algorithm 2
• 2017-09-17 10:56:26: md/raid:md127: raid level 5 active with 3 out of 4 devices, algorithm 2
• 2017-09-17 10:06:36: md/raid:md126: raid level 5 active with 3 out of 4 devices, algorithm 2
• 2017-09-17 10:06:35: md/raid:md127: raid level 5 active with 3 out of 4 devices, algorithm 2

Greetings