US 12,353,568 B2
Storage device power control by expander device based on a data security policy
Chandrashekar Nelogal, Round Rock, TX (US); and Santosh Kumar Sarangi, Bangalore (IN)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Nov. 22, 2022, as Appl. No. 17/992,391.
Prior Publication US 2024/0169073 A1, May 23, 2024
Int. Cl. G06F 21/60 (2013.01); G06F 3/06 (2006.01); G06F 21/78 (2013.01); G06F 21/85 (2013.01)
CPC G06F 21/602 (2013.01) [G06F 3/062 (2013.01); G06F 21/78 (2013.01); G06F 21/85 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A storage enclosure of an information handling system, the storage enclosure comprising:
a plurality of storage drives including one or more self-encrypting drives (SEDs), the one or more SEDs including a first SED; and
a first expander device to communicate with the storage drives, the first expander device to:
determine whether the first SED enables a power disable capability;
in response to a detection that the first SED enables the power disable capability, monitor a first link status of a first communication link between the information handling system and the storage enclosure;
in response to a link status change being detected, wait a period of time and determine the first link status of the first communication link after the period of time;
if the first link status is link down, implement a power cycle in the storage drives; and
after the power cycle of the storage drives, set the drives to a locked state.