A method and a system for reading and writing data space based on AEP memory

Abstract

A method and system for reading and writing data space based on AEP memory includes automatically searching DimmID value of AEP memory to generate list library of DimmID, scanning DimmID value of AEPmemory in the server in turn to create data space, and writing judgment; displaying successfully written data space. Before the step of automatically searching DimmID value of AEP memory to generate list library of DimmID, the method also includes retrieving the data space of the AEP memory. If there is an exit, the DimmID value is ready to be written. The step of automatically searching DimmID value of AEP memory to generate list library of DimmID comprises the following steps: the Ndctl list-R module outputs a json format space table; The ipmctl utility reads all AEP memory; the DimmID valueof the first column is retrieved to generate a list library for DimmIDList.

Description

technical field [0001] The invention relates to the technical field of server storage, in particular to an AEP memory-based data space reading and writing method and system. Background technique [0002] AEP memory, referred to as Apache Pass DIMMs, is a revolutionary SCM designed for high performance and flexibility, and Optane NVMe SSD is called Clodstream, which is the fastest SSD with the best availability and serviceability in the world; Apache Pass DIMM is higher than DRAM 8-10 times, its cost advantage is obvious; compared with DRAM, it has another big advantage of non-volatility. Compared with Flash Flash, Apache Pass DIMM is also more durable than Flash NAND due to the different writing methods. From the analysis of application scenarios, Clodstream SSD is mainly used on NAND Flash SSD to accelerate system logs, Memory Page and system metadata ; However, Apache Pass DIMM is mainly positioned to replace DRAM and support persistent Memory or In-Memory applications. ...

AI Technical Summary

Problems solved by technology

[0003] At present, the DimmID of the AEP memory in the server is generally manually checked one by one, but there are only two ways to obtain the DimmID, one is ixpdimm-cli reading; the second is ipmctl reading; but Intel has issued a statement to use the ipmctl tool To replace the ixpdimm-cli tool, that is, it is no longer recognized and maintained. The current ipmctl tool does not support the creation of namespace (data space) of AEP memory

Since there will be more than 24 large-capacity memories in each server, such as 512GB, 256GB, or even larger-capacity memories, when we manually create AEP memory space data, we need multiple command operations, which is time-consuming and labor-intensive. Easy to make mistakes, the larger the capacity, the longer the operation time will be

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