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HELP: DISK DROP 4:00 AM EVERYDAY

jianglei
in General Support

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My current Unraid system version is 7.1.3. I have connected 8 SATA hard drives using an LSI SAS2308 HBA passthrough card connected via an SFF-8643 cable to an external disk enclosure. I am now experiencing the following issues:

  1. Every day at 4:00 AM, the external hard drives report errors and go offline.

  2. After a reboot, all hard drives can be mounted properly in the Unraid system.

  3. I have tried everything: replaced the passthrough card, replaced the connecting cable, and replaced the external disk enclosure, but the same errors occur.

Attatched is syslog and diagnostics

tower-syslog-20250609-2142.zip tower-diagnostics-20250610-0535.zip

  • Quote
    • Author

    This is a previous webui screen snapshot.

    Because cannot solve the problem, I have also reinstalled the Unraid OS, but the problem persists.

    image.png

  • Quote
    • Community Expert

    All the external disks are dropping offline at exactly 4.00am, that suggests something automated cutting the power or similar to the enclosure.

  • Quote
    • Community Expert

    Agree with Jorgeb. Curious your psu?

  • Quote

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