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Cloud disk upgrading method, cloud disk scheduling method, cloud host, cloud disk scheduling device and cloud disk scheduling system

A scheduling device and scheduling method technology, applied in the computer field, can solve problems such as software program restart operation, IO delay increase, IO burr, etc., to achieve the effect of reducing the degree of influence, reducing IO delay, and reducing IO burr

Pending Publication Date: 2020-01-17
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the hot upgrade of the cloud disk will bring about the restart operation of the corresponding software program
During the time window when the software program is restarted, all cloud disks of the current cloud host will experience a brief IO pause, which will cause increased IO delay and IO glitches, affecting the service quality of customer business

Method used

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  • Cloud disk upgrading method, cloud disk scheduling method, cloud host, cloud disk scheduling device and cloud disk scheduling system
  • Cloud disk upgrading method, cloud disk scheduling method, cloud host, cloud disk scheduling device and cloud disk scheduling system
  • Cloud disk upgrading method, cloud disk scheduling method, cloud host, cloud disk scheduling device and cloud disk scheduling system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The cloud disk load of different cloud hosts is often different. The greater the cloud disk load of the cloud host, the wider the impact of upgrading the cloud disk software module in the cloud host, and the more customer business areas will be affected. If If there is a bug in the upgraded cloud disk software module, the fault level will be higher.

[0037] In order to reduce the impact of cloud disk hot upgrade on customer business, the cloud hosts in the cluster can be divided into multiple batches, and one or more cloud hosts can be upgraded at the same time in each batch, and the next batch can be upgraded after the current batch is upgraded , until all batches are upgraded. When dividing the cloud hosts in the cluster into multiple batches, a random selection method can be used, but the random selection method is likely to cause a certain batch or some batches of all cloud hosts to have a large cloud disk load. At this time, when the cloud disk hot upgrade of thi...

Embodiment 2

[0063] The cloud disk upgrade method performed by the cloud hosts in the cluster in this embodiment is as follows: Figure 5 shown, including:

[0064] Step 210, the cloud host sends the cloud disk load information of the cloud host to the scheduling device for upgrading the cloud disk;

[0065] The cloud disk upgrade in this embodiment is cloud disk hot upgrade. The cloud disk load information of the cloud host includes at least one of the following information: the number of cloud disks in the cloud host, the IOPS information of the cloud disk in the cloud host, and the throughput information of the cloud disk in the cloud host .

[0066] In this embodiment, after receiving the request for cloud disk load information sent by the scheduling device, the cloud host may send the cloud disk load information of the cloud host to the scheduling device for upgrading the cloud disk. Or, the cloud host receives the time point of hot upgrade of the cloud disk sent by the scheduling ...

Embodiment 3

[0077] This embodiment provides a cloud disk upgrade system, which can also be referred to figure 1 , Figure 6-Figure 7 , the cloud disk upgrade system includes a cloud disk upgrade scheduling device 9 and a cloud host 8 in the cluster, and the cloud host 8 in the cluster includes a plurality of cloud hosts that are uniformly scheduled by the scheduling device 9 for cloud disk upgrade, which can also be referred to as A group of cloud hosts or a set of cloud hosts that the scheduling device uniformly performs cloud disk upgrade scheduling.

[0078] in:

[0079] Each of the cloud hosts 8 is used to send the cloud disk load information of the cloud host 8 to the scheduling device 9; Cloud disk to upgrade the cloud disk;

[0080] The scheduling device 9 is configured to receive the cloud disk load information sent by the cloud hosts 8 in the cluster respectively, and according to the cloud disk load information and the restriction on the cloud disk loads of all cloud hosts 8 ...

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Abstract

The invention discloses a cloud disk upgrading method, a cloud disk scheduling method, a cloud host, a scheduling device and a cloud disk upgrading system, the scheduling device acquires cloud disk load information of the cloud host in a cluster, and divides the cloud host in the cluster into at least one batch according to the acquired cloud disk load information and limiting conditions for clouddisk loads of all cloud hosts in the same batch; and sending a cloud disk upgrading instruction to the cloud hosts in the cluster batch by batch according to the divided batches. After the cloud hostsends the disk load information to the scheduling device, a cloud disk upgrading instruction sent by the scheduling device is received, cloud disk upgrading is carried out, and a cloud disk upgradingresult is returned. The method is used for cloud disk hot upgrading, cloud disk loads of all cloud hosts upgraded in the same batch can be limited, and the influence degree of cloud disk hot upgrading on customer services is reduced.

Description

technical field [0001] The present application relates to computer technology, and more specifically, to a cloud disk upgrade method, a scheduling method, a cloud host, a scheduling device, and a system. Background technique [0002] In today's Internet applications, various new business requirements emerge in an endless stream. In order to meet the business requirements of these applications, cloud computing service providers need to quickly iterate the software system that provides services, so they need to frequently upgrade the software system of the online environment. At the same time It does not affect the operation of the customer's business. [0003] figure 1 Shown is a cloud computing architecture that separates storage and computing, including computing clusters and storage clusters. When the computing clusters and storage clusters are based on block storage technology, they can also be called block storage computing clusters and block storage storage clusters. ...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/24
CPCH04L67/1097H04L67/1044H04L41/082H04L67/34
Inventor 彭海林
Owner ALIBABA GRP HLDG LTD
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