Chassis Bays Intel® Storage System SSR212MA
28 Revision 1.4
4.2 Disk On Module (DOM)
The Storage System SSR212MA ships with a single 512 MB Disk On Module (DOM)
installed directly to the SSR212MA baseboard’s IDE connector. The DOM is a storage
device based on flash memory technology, which emulates an ordinary magnetic hard disk
drive.
The DOM is segmented into two 256 MB useable redundant areas. The OS and SAN
Application Software resides on one 256 MB block, while the other 256 MB area is reserved
for upgrades. In the event of a catastrophic failure while performing an OS/SAN Application
Software upgrade, the system will automatically boot from the previously known good
image.
Figure 15. Example Disk On Module
NOTE:
1) The DOM contains the Storage System SSR212MA OS and SAN Application software, and should never be removed
from the IDE connector while the system is operational, or data corruption could occur.
2) For more information on how to upgrade the Storage System SSR212MA SAN Management Software, please refer to the
Intel® Storage System Software Manual available from Intel Business Link (IBL) or your Intel sales representative.
WARNING – Like any IDE device, the DOM should not be removed from the IDE connector with
power applied or damage to the DOM could occur.
4.2.1 Features
Standard 40 pin IDE connector interface.
Non-volatile NAND type flash memory.
100% True IDE mode.
+3.3 and +5 V operation.
1,000,000 hour MTBF.
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