公开(公告)号：US12056385B2

公开(公告)日：2024-08-06

申请号：US17389499

申请日：2021-07-30

Applicant: EMC IP Holding Company LLC

Inventor： Malak Alshawabkeh ,  Seema Pai ,  Dale Elliott ,  Christopher Monti ,  Sunil Gumaste ,  Krishnamoorthy Anantharaman ,  Ravish Sachdeva ,  Abhilash Sanap ,  Pankaj Soni ,  ShashiKiran Talanki Ramanathagupta

IPC: G06F12/00 ,  G06F3/06

CPC classification number: G06F3/0652 ,  G06F3/0619 ,  G06F3/0653 ,  G06F3/0683

Abstract: Aspects of the present disclosure relate to detecting and correcting a storage array's drive sectors to prevent data loss. In embodiments, a storage array's telemetry information is monitored. Further, one or more state or operational metrics of the storage array's storage drives are measured. Additionally, each storage drive is scrubbed based on each drive's relative scrubbing priority defined by the telemetry information and each storage drive's state or operation metrics.

公开(公告)号：US11662908B2

公开(公告)日：2023-05-30

申请号：US17363108

申请日：2021-06-30

Applicant: EMC IP Holding Company LLC

Inventor： Abhilash Sanap ,  Sunil Gumaste ,  Pankaj Soni ,  Ravish Sachdeva ,  Malak Alshawabkeh

IPC: G06F3/06

CPC classification number: G06F3/0608 ,  G06F3/0653 ,  G06F3/0673

Abstract: An amount of storage space required to maintain counter information for a storage system is reduced without reducing a temporal granularity or tracking granularity of the counter information. Rather than periodically recording actual (i.e., raw) counter values for counters, difference (i.e., delta) values may be recorded. For a given counter, a difference (delta value) between a value of the counter for a given point in time (PIT) and a value of the counter for a previous PIT may be determined, and this delta value may be stored as opposed to storing the raw counter value. This delta value may be a significantly smaller value than the raw value. To further reduce the amount of storage space required, no value may be stored for a counter for a given PIT if it is determined that there is no difference between a counter value for the given PIT and a previous PIT.

公开(公告)号：US20230031331A1

公开(公告)日：2023-02-02

申请号：US17389499

申请日：2021-07-30

Applicant: EMC IP Holding Company LLC

Inventor： Malak Alshawabkeh ,  Seema Pai ,  Dale Elliott ,  Christopher Monti ,  Sunil Gumaste ,  Krishnamoorthy Anantharaman ,  Ravish Sachdeva ,  Abhilash Sanap ,  Pankaj Soni ,  ShashiKiran Talanki Ramanathagupta

IPC: G06F3/06

Abstract: Aspects of the present disclosure relate to detecting and correcting a storage array's drive sectors to prevent data loss. In embodiments, a storage array's telemetry information is monitored. Further, one or more state or operational metrics of the storage array's storage drives are measured. Additionally, each storage drive is scrubbed based on each drive's relative scrubbing priority defined by the telemetry information and each storage drive's state or operation metrics.

公开(公告)号：US20230004301A1

公开(公告)日：2023-01-05

申请号：US17363108

申请日：2021-06-30

Applicant: EMC IP Holding Company LLC

Inventor： Abhilash Sanap ,  Sunil Gumaste ,  Pankaj Soni ,  Ravish Sachdeva ,  Malak Alshawabkeh

IPC: G06F3/06

Abstract: An amount of storage space required to maintain counter information for a storage system is reduced without reducing a temporal granularity or tracking granularity of the counter information. Rather than periodically recording actual (i.e., raw) counter values for counters, difference (i.e., delta) values may be recorded. For a given counter, a difference (delta value) between a value of the counter for a given point in time (PIT) and a value of the counter for a previous PIT may be determined, and this delta value may be stored as opposed to storing the raw counter value. This delta value may be a significantly smaller value than the raw value. To further reduce the amount of storage space required, no value may be stored for a counter for a given PIT if it is determined that there is no difference between a counter value for the given PIT and a previous PIT.