commvault deduplication

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CommVault go to heavy DDB related issues

whether to go to the weight, the DDB itself problem, what is the impact? Isn't the data going to be heavy? How to protect the current DDB? In planning scenarios, it is important to note that DDB must be placed on a high-speed hard drive, please refer to the BOL deduplication Building Block guide http. documentation.commvault.com/commvault/release_9_0_0/books_online_1/english_us/prod_info/dedup_disk.htm

CommVault Data Recovery Management data protection effective way

processing services during the recovery of data, and the application system will slow down or stall. Data recovery management is a fast developing field in data management in recent years, which is regarded as a new way of data protection and management. What is data recovery management? In short, data recovery management is the ability to create and manage replicas of online production data by leveraging snapshots and continuous replication technologies, which are also online and can be immed

0% report ORA-19506, 27208, 19511 error when CommVault backs up RAC

Backup Oracle RAC via CommVault, backup status in 0% times ORA-19506, 27208, 19511 error.RAC Configuration and backup error messages:Configuring a RAC instance, you can see the instance status " open " in " details ", " backup 0% ORA-19506, 27208, 19511 error " When performing a backup,650) this.width=650; "Src=" Http://s5.51cto.com/wyfs02/M02/8C/09/wKioL1hggWyC7apWAABGqpDVEcw160.png-wh_500x0-wm_3 -wmp_4-s_3658177063.png "title=" 1.png "alt=" wkiol1hg

Python list deduplication method you should know, python list deduplication Method

Python list deduplication method you should know, python list deduplication Method Preface List deduplication is a common problem when writing Python scripts, because no matter where the source data comes from, when we convert it into a list, the expected results may not be our final results, the most common thing is that the Meta in the list is repeated. At this

Disable Windows deduplication and windows deduplication

Disable Windows deduplication and windows deduplication Deduplication can reduce disk usage, but improper use may also increase IO. In addition, this function also blocks the hard disk. Therefore, when the hard disk usage is high, it is also difficult to fragment, So you sometimes need to disable the deduplication fun

JS array deduplication and deduplication example code _ javascript tips-js tutorial

This article mainly introduces the sample code for de-duplication and de-duplication of JS arrays. If you need it, you can refer to it for help. Method 1: deduplication The Code is as follows: ScriptArray. prototype. distinct = function (){Var a = [], B = [];For (var prop in this ){Var d = this [prop];If (d = a [prop]) continue; // prevents loops to prototypeIf (B [d]! = 1 ){A. push (d );B [d] = 1;}}Return;}Var x = ['A', 'B', 'C', 'D', 'B', 'A', 'A',

Array deduplication Array, Array deduplication Array

Array deduplication Array, Array deduplication Array var aee3=[31,42,13,19,5,11,8,13,40,39,1,8,44,15,3]; Array.prototype.unqu2=function(){ this.sort(); var arr2=[this[0]]; for (var j = 1; j There are a lot of de-duplication methods on the Internet, and the most stupid is the second method, and the best efficiency is the third one.

Simple example of php array deduplication (one-dimensional and two-dimensional array deduplication)-php Tutorial

Simple example of php array deduplication (one-dimensional and two-dimensional array deduplication) $ Aa = array ("apple", "banana", "pear", "apple", "wail", "watermalon "); $ Bb = array_unique ($ aa ); Print_r ($ bb ); ?> Output result: Array ([0] => apple [1] => banana [2] => pear [4] => wail [5] => watermalon ).2. duplicate items of two-dimensional PHP

PHP two-dimensional array deduplication algorithm, PHP two-dimensional array deduplication Algorithm

PHP two-dimensional array deduplication algorithm, PHP two-dimensional array deduplication Algorithm Requirement The following two-dimensional array is available: Array (8) {[0] => array (2) {["name"] => string (4) "name" ["value"] => string (6) "qingye"} [1] => array (2) {["name"] => string (5) "phone" ["value"] => string (11) "13812341234"} [2] => array (2) {["name"] => string (12) "fileds_507 []" ["value

How to count the data after deduplication in the MongoDB collection

Label:Let's say we have a MongoDB collection, take this simple set as an example, we need to include how many different mobile phone numbers in the collection, the first thought is to use the DISTINCT keyword, db.tokencaller.distinct (' Caller '). Length If you want to see specific and different phone numbers, then you can omit the length property, since db.tokencaller.distinct (' Caller ') returns an array of all the mobile phone numbers. but is this a way of satisfying all things? Not

Windows 8.1 Data deduplication-Planning for Deployment (II)

I. Planning the deployment goalsData deduplication for Windows 8.1server 2012 is designed to be installed on the primary data volume without adding any additional dedicated hardware. This means that you can install and use the feature without affecting the primary workload on the server. The default is non-invasive because they allow the data "lifetime" to reach five days before a particular file is processed, and the default minimum file size is up t

In-depth understanding of data compression and deduplication

[Guide]What are the differences between data compression and deduplication? In practice, how can we apply it correctly? I have not studied the principles and technologies of Data Compression before, so I did some homework, read and sort out relevant materials, and compared and analyzed the data deduplication technology. In the face of the rapid expansion of data, enterprises need to constantly purchase a l

MySQL data deduplication prevents insertion:)

INSERT into table (ID, name, age) VALUES (1, "A", +) on duplicate key update name=values (name), Age=values (age)/* Insert Data: If there are duplicates, select Update; */Insert ignore into ' testtable ' (' Mpass ', ' Pass ') select Mpass,pass from Rr_pass_0 limit 0,1000000replace into ' testtable ' ( ' Mpass ', ' Pass ') select Mpass,pass from Rr_pass_0 limit 0,10Set PRIMARY key: Discard if duplicate data is selected;SELECT *, COUNT (distinct name) from the table group by nameQuerying for dupli

MySQL Data sheet deduplication

Tags: where div from greater than equals join AC Max ack reservedQuery for the number of elements not repeatingElements in the query table with a number of elements greater than or equal to 2SELECT goods_id,goods_name from Tdb_goods GROUP by Goods_name have COUNT (goods_name) >=2; Then use the left join to connect the original table with the above query results, delete duplicate records, and keep records with smaller IDsIf you want to keep the same ID for the larger, as shown belowDELETE T1 fro

Hyper-V Server data deduplication technology

Hyper-V Server data deduplication technologySwaiiow heard that the new technology in Windows Server 2012 is called Deduplication, which is said to save disk space significantly, and let's look at what deduplication is:Data deduplication refers to finding and deleting duplicates in the data without affecting their fidel

Highlights of technical questions about deduplication

Q: What are the advantages and disadvantages of the software-based deduplication and hardware-based deduplication products? A: software-based deduplication aims to eliminate source redundancy, while hardware-based deduplication emphasizes data reduction of the storage system. Although bandwidth compensation cannot

Data deduplication for Windows Server 2012

In Windows 2012, you can enable data deduplication for non-system volumes. Deduplication optimizes volume storage by locating redundant data in the volume, and then ensuring that the data is saved in only one copy of the volume. This is accomplished by storing the data in a single location and providing this location reference for other redundant copies of the data. Since data is divided into 32-128kb chunk

Eliminate Four Misunderstandings of deduplication

Reading: deduplicationThe emergence of technology has a certain source, so we should start from the beginning. Although the current price of storage media has plummeted, the Unit storage cost is already very low. But it still cannot keep up with the growth rate of enterprise data files. As a result, energy consumption, data backup management, and so on have become difficult issues. In addition, some duplicate files also increase. To this end, enterprises urgently need a technology to ensure that

Data deduplication 2---Research on high performance duplicate data detection and deletion technology some fragmentary knowledge

research on high performance data deduplication and detection and deletion technologyHere are some fragmentary data about the re-deletion of things, previously summarized, put on can communicate with you.The explosion of 1 data volumes brings new challenges to the capacity, throughput performance, scalability, reliability, security, maintainability, and Energy management of existing storage systems, eliminating redundant information and optimizing sto

Zfs and data deduplication

Http://hub.opensolaris.org/bin/view/Community+Group+zfs/WebHome Https://blogs.oracle.com/bonwick/entry/zfs_dedup Zfs and data deduplication What is deduplication? Deduplication is the process of eliminating duplicate data. The deduplication process can be based on the file-level file level, block-level block

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