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Dell PowerVault ME4 Series Storage System Administrator’s Guide

Prepare to update disk-drive firmware

  1. Follow the best practices in Best practices for firmware update.
  2. Obtain the appropriate firmware file and download it to your computer or network.
  3. Stop I/O to the storage system. During the update all volumes will be temporarily inaccessible to hosts. If I/O is not stopped, mapped hosts will report I/O errors. Volume access is restored after the update completes.

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