US 11,836,351 B2
Causing a storage device to switch storage tiers based on a wear level
Luis Rene Quinones Sepulveda, Raleigh, NC (US); Paul Klustaitis, Cary, NC (US); and Israel Silva Dias, Apex, NC (US)
Assigned to Lenovo Global Technology (United States) Inc., Morrisville, NC (US)
Filed by Lenovo Global Technology (United States) Inc., Morrisville, NC (US)
Filed on Mar. 31, 2022, as Appl. No. 17/710,513.
Prior Publication US 2023/0315300 A1, Oct. 5, 2023
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0616 (2013.01) [G06F 3/0635 (2013.01); G06F 3/0685 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A computer program product comprising a non-volatile computer readable medium and non-transitory program instructions embodied therein, the program instructions being configured to be executable by a processor to cause the processor to perform operations comprising:
periodically reading a wear level for each of a plurality of data storage devices, wherein the plurality of data storage devices operate in a multi-tiered storage system include a first storage tier and a second storage tier that is a lower tier than the first storage tier, and wherein at least one of the data storage devices operates in the first storage tier and at least one of the data storage devices operates in the second storage tier;
identifying a first data storage device of the plurality of data storage devices that is operating in the first storage tier and has a wear level that is higher than an average wear level for the plurality of data storage devices; and
causing the first data storage device to switch from operating in the first storage tier to operating in the second storage tier.