Oracle changed the disk order in the Exadata Storage Server from columnar to row.
New order:
The drives in the
Exadata Storage Server with Sun Server X3-2L Servers are numbered from left to
right in each row. The drives in the bottom row are numbers 0, 1, 2, and 3. The
drives in the middle row are numbers 4, 5, 6, and 7. The
drives in the top row are numbers 8, 9, 10, and 11.
The drives in the
Exadata Storage Server with Sun Fire X4270 M2 Servers and earlier servers were
numbered from the lower left to the top, such that the drives in the leftmost
column were 0, 1, and 2. The drives in the next column were 3, 4, and 5. The
drives in the next column were 6, 7, and 8. The drives in the rightmost column
were 9, 10, and 11. The following table shows the disk layout for the hard disk
drives in Exadata Storage Server with Sun Server X3-2L Servers and Exadata
Storage Server with Sun Fire X4270 M2 Servers.
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