Which assortment of disks on a cell is created by issuing the CREATE CELLDISK ALL command?
A.
12 Flash-based cell disks, 12 disk-based cell disks
B.
16 Flash-based cell disks, 16 disk-based cell disks
C.
16 Flash-based cell disks, 12 disk-based cell disks
D.
12 Flash-based cell disks, 16 disk-based cell disks
E.
No Flash-based cell disks, 12 disk-based cell disks
Explanation:
Each Cell comes with 12 SAS Harddisks(600 GB each with High Performance resp. 2 TB each
with High Capacity). The picture below shows a Cell with the 12 Harddiskson the front:
Also each Cell has 4 Flashcards built in that are divided into 4 Flashdisks each, summarizing to
16 Flashdisks in each Cellthat deliver by default 384 GB Flash Cache.
http://uhesse.wordpress.com/2011/05/18/exadata-part-vii-meaning-of-the-various-disk-layers/
ABD wrong for sure as there are 12 disks and 16 flash disks
as nothing is mentioned that the flash disks are already used the correct answer is C
see: https://docs.oracle.com/cd/E50790_01/doc/doc.121/e50471/config.htm#SAGUG20800
On Oracle Exadata Storage Server with flash disks, the CREATE CELLDISK ALL command also creates cell disks on the flash disks, as shown in the following:
Note:
The CREATE CELLDISK command creates cell disks on flash disks if they do not currently exist. If there are cell disks on the flash disks, then they are not created again.