resilver

re- +‎ silver

resilver (third-person singular simple present resilvers, present participle resilvering, simple past and past participle resilvered)

1. (transitive) To silver again.
   • 1939, Popular Science, volume 134, number 2, page 261:

     It often becomes necessary to resilver the small mirror used in a microscope, sextant, or other instrument of precision.

2. (computing, transitive) To synchronize the mirror disk of the RAID array with the master disk.
   • 2010, Robert G. Freeman, Matthew Hart, Oracle RMAN 11g Backup and Recovery‎:

     To get back to our RAID 0 +1 configuration, disk volume A will be “resilvered” up to disk B, which runs at the current point in time.

• relivers, revilers, silverer, sliverer