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NAS / Network Storage diagnostics

Test what the browser can see. Know when it cannot.

Narrow browser and network-access problems before changing disks, RAID configuration or storage firmware.

Run these first

Relevant live checks

Browser Online Status TestCheck the browser online state, available connection hints, and a short round trip to DeviceOK.
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Browser Latency TestMeasure several browser-to-DeviceOK request round trips as a quick connection responsiveness check.
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Browser Network Timing Variation CheckRun repeated HTTP round trips to DeviceOK and show timing variation between samples.
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Data Transfer Time CalculatorEstimate ideal transfer time from data size and an entered link rate.
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First diagnostic sequence

Do the high-signal checks before risky changes

  1. 1

    Confirm the NAS is powered and reachable in its official management interface

  2. 2

    Test whether one client or all clients are affected

  3. 3

    Do not rebuild RAID or initialize disks before checking backups and vendor guidance

What DeviceOK/browser can help check
  • Confirm general network access
  • Estimate web-request timing
  • Plan transfer time from entered data size and rate
What this browser page cannot prove
  • Read NAS SMART or RAID health generically
  • Inspect protected shares without credentials
  • Repair volumes or firmware