Storage Spaces Event 304: One or more drives hosting data for storage space have failed or are missing.
Event Details
| Product: | Microsoft Windows Operating System |
| Event ID: | 304 |
| Source: | StorageSpaces-Driver |
| Version: | Windows Server 2016, Windows Server 2012 R2, Windows Server 2012; Windows 10, Windows 8.1, Windows 8 |
| Level: | Warning |
| Message: | One or more drives hosting data for storage space %1 have failed or are missing. As a result, at least one copy of data is not available. However, at least one copy of data is still available. Return Code: %2 |
Summary
This topic describes how to troubleshoot degraded storage spaces in a Storage Spaces storage pool.
Causes
One or more drives hosting data for a storage space have failed or are missing. As a result, at least one copy of data is not available. However, at least one copy of data is still available.
Resolutions
To resolve the problem:
- If there are missing drives, reconnect the missing drives.
- Verify physical drives are functional. Replace failed physical drives if necessary.