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ERROR_MEDIA_CHECK
What ERROR_MEDIA_CHECK means
Cached assumptions about the device or volume can no longer be trusted. The caller should verify the currently inserted or presented medium before continuing with offsets, metadata, or file handles derived from the previous one.
Where it appears
- removable disks, optical media, tapes, and card readers
- virtual media mounted through management software
- devices that report unit attention or media-change notifications
Likely causes
- physical removal or replacement
- tray open/close or virtual image remount
- device reset that invalidated cached geometry or identity
What to collect
- device path, serial number, and volume identifier before and after
- storage event log and device sense data
- open handles and pending operations at the change time
- whether media removal was expected by the workflow
How to respond
Cancel or complete operations tied to the old medium, refresh device and volume information, and ask the user to confirm the intended media. Retry only after identity and readiness checks succeed.
References
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