[130 _ Storage Service] 003 _ Fujitsu storage system eternus_advanced copy OPC

Source: Internet
Author: User

Collation

PreviousArticleThis article introduces the advanced copy feature of the storage system and briefly introduces several different methods of advanced copy. They are equivalent copy (EC), one point copy (OPC), snapopc +, and quickopc. This article will continue to explain one point copy (OPC) in depth ).

Body

One point copy (OPC), which differs from peer-to-peer copy in that it does not require mirroring and synchronization. You can send the OPC command to the storage system at any time. When you send the OPC command, the storage system will quickly copy the business data image generated when the command is sent. OPC will not affect the normal operation of business data, but you will find that the advanced copy operations in the storage system are completed without affecting normal business data services.

OPC is also a full copy of the next copy. It does not intelligently determine which data is updated or intelligently copy the changed data. If you only copy the changed data, you can consider another advanced copy method-quickopc.

It demonstrates the specific process of OPC, from left to right, in chronological order:

Http://www.fujitsu.com/global/services/computing/storage/eternus/products/diskstorage/feature/strsys-c02.html

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.