Western Digital WD10000H1NC User Manual - Page 134
All 1 Drive configurations for the My Book World Edition II are considered, drives
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MY BOOK WORLD EDITION USER MANUAL Manage RAID Options (My Book World Edition II) Any existing mode can be changed to any other available mode using the Manage RAID option. The following table provides the available modes and data availability for a My Book World Edition II with one drive after adding a second drive. Starting Configuration Ending Configuration JBOD (1 Volume) JBOD (1 Volume) JBOD (1 Volume) JBOD (one volume) RAID 1 (Mirrored) RAID 1 (Mirrored) RAID 1 (Mirrored) RAID 1 (Mirrored) Spanned (Linear) JBOD (two volumes) RAID 0 (Striped) RAID 1 (Mirrored) Spanned (Linear) JBOD (two volumes) RAID 0 (Striped) RAID 1 (Mirrored) User data condition after second drive added Deleted Still available Deleted Deleted Deleted Deleted Deleted Still available after rebuild All "1 Drive" configurations for the My Book World Edition II are considered "Degraded" RAID modes. When a drive fails in a My Book World Edition II with two drives, the following table applies regarding the user data on the remaining good drive. Starting Configuration Span (Linear) JBOD RAID 0 (Striped) RAID 1 (Mirrored) User data condition after one drive fails All user data is lost User data on good drive still accessible All user data is lost User data on good drive still accessible, but with no data redundancy NETWORK STORAGE MANAGER: ADVANCED MODE - 128