Are you ready to acquire your management skill sets with recently designed HKR’s CommVault interview questions article? The CommVault- most demanding data protection and information solution which provides mid and enterprise-level organization worldwide. Before enterprises were struggling to protect and access all of their data. But with the CommVault it’s easy to protect and secure all the data. HKR’s CommVault interview questions article will help you to unleash the skill sets that are required to crack any complex comvault interview. So what are you waiting for? Let’s get learning
Now let's have a look into the commvault interview questions based on the basic, intermediate and advanced levels.
Ans: CommVault is a data protection and information management platform. It helps organizations access, protect and use all of their data to its true value. It is also used for taking data backups and recovery. CommVault is headquartered in Tinton Falls, New Jersey.
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Ans: CommVault is an information and management solution that offers to protect and manage your business data. CommVault is a publically traded software company founded in the year 1988, located in the United States of America. This software can be used for data backup, recovery, and cloud management. CommVault, which is formerly known as Simpana, Software enables us to access and use of their data, anywhere and anytime, turning the data into a powerful strategic asset. This software solution also optimizes the data protection for the broad NetApp storage portfolio and many organize uses the CommVault as a backup server for the data recovery purpose.
Ans: There are three ways of achieving high availability in CommVault,
Ans: The following are the key features of CommVault;
Ans: There are various ways of performing high availability in CommVault;
Ans:A HASH algorithm in CommVault is used in the duplication process whenever the system reads the block of data from multiple sources and also helps to generate a unique signature.
Ans: In CommVault, we can see only one Primary copy and different auxiliary/secondary copies such as;
Ans: We will have the data as one primary copy to which there will be secondary copies. We can create three types of secondary copies,
Ans: CommServe DR is hardware fresh which consists of Copy DR sets this provides CommServe facilities and restores the CS DR procedures.
Ans: This global duplication policy enables the data duplication across the multiple storage sets of disk libraries and database servers (DDB).
Ans: The following factors will give a brief explanation of DDB:
Ans: There are 3 building blocks of the CommCell environment;
Ans: The benefits of a proxy server such as;
Ans: We can perform backup on VMWare from a subclient. The entities that get backed up are,
Ans: The data of a Virtual Machine can be accessed by a VMware Backup Host using four methods,
Ans: Commvault HyperScale Appliance provides seamless scale and data protection solutions. It is mainly used for scaling out infrastructure with cloud-like economics. It is a storage architecture that provides a platform for indexing, storage, data security, automation, reporting, etc.
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Ans: DDB seeding is the predefined workflow that helps the user to transfer the data. These data are available in baseline backup and acts as a connection between the two sites with the help of removable disk drives such as USB data-driven devices. We can use DD seeding to start the workflow manually from the CommCell console component.
Ans: The default block size for the data duplication is 128kb.
Synthetic full: Synthetic full backup consolidates all the data incremental backups and appends the last backup data. Here the server (server is nothing but client machine or network utilization) performs very low utilization when compared to Full back up.
Full Backup: this full backup performs full utilization operation which is taken from the server.
Dash Full: this dash full performs operations like copying the unique blocks of the de-duplicate data, updates the DDB data, and also index the backup data.
Ans: A silo is the collection of disk volume data folders that are associated with the DDB (De-Duplicate database). It contains the deduplicated data that is pre-written on the disk storage.
Ans:The following are the different backups available in CommVault;
Ans: The different types of transfer modes are such as;
Ans:Simpana is indeed one of the capabilities of Commvault's enterprise backup software platform specifically built for backup, archiving, and analysis of data. Simpana is a modern variant of the method of deduplication implemented by Commvault.
[ Related Article: commvault simpana ]
Ans: This question will be mostly asked to a CommVault experienced candidate. The answer should include the number of Prod CommServe, DR CommServe, Media Agents, etc. Mention about all the backup servers that you have used.
Ans:The following are the operations performed by the users;
Ans: The following steps explain the process;
Step 1: Go to -> Deduplication engines -> under the storage resources
Step 2: now choose the DDP that you want to move -> then right-click on it -> click on move partitions
Step 3: Now choose the new Media agent option that is available in the target media agent.
Ans: To get access to reports, go to the web console by hitting the URL in a browser. Log into your account and click on 'Reports'. In the case of a private metrics reporting server, you will be able to view the reports in the CommCell console.
Ans: Commvault provides efficient backup and restores functionalities for any enterprise. These are the types of backups available in CommVault,
Ans: Cloning is used to make a copy of something whereas a snapshot makes an initial copy and then adds subsequent changes to it. Both snapshots and clones are considered a good approach to disaster recovery.
Ans:The answer is yes, it is enterprise-level software. Using this CommVault software we can build the data modules from scratch and this software can be used independently based on one’s requirement.
The steps are as follows;
Ans: Intellisnap backup is used to create a point-in-time snapshot of the data. It is mainly used for taking backup of live data and then continuing the live operations.
Ans: IntelliSnap recovery manager (IRM) is used to execute hardware storage systems snapshots into a recovery process with no effect on the production server. It also provides a centralized configuration wizard through which we can configure storage media, policies, etc.
Ans: The below-mentioned steps will help you perform a VM ware backup:
Ans: The below steps explains the steps involved in creating the CommVault proxy;
Step 1: Right-click on the client computer -> from the CommVault browser -> select the properties
Step 2: go to the properties dialog box -> click on the network button -> select the configuration firewall settings -> select checkbox
Step 3: Now click on the options tab -> choose the “computer is in DMZ and this will work as a proxy checkbox.
Step 4: Click on the incoming connection option -> now select the add
Step 5: select the Commserve_client_name from the list
Step 6: from the list -> select the Restricted -> click OK.
Ans: We have to create a new scratch pool and add the media to it. Attach a subclient to the scratch pool. This can be done at two levels,
Ans:A set of disk volume folders associated with DDB and contains deduplication data is called a Silo. This is used to eliminate data restore from tape to disk library.
Ans: There are two possible ways available to restore the data using CommServe;
Ans: The global deduplication policy furnishes a common deduplication database(DDB) that can be shared by various storage policy copies. It allows the deduplication of data from multiple copies which results in removing redundant data.
Ans: A storage policy in CommVault is a data management entity that contains a set of rules that will be applied in lifecycle management. This supports data protection in the sub client’s contents. Storage policy also associates with the client backup to storage tape or disks and here the policy will be used to set the data retention.
Ans: Here users can access the reports through the cloud services portal and web console.
Ans: The steps are as follows;
Ans: A HASH algorithm in CommVault is used in the duplication process whenever the system reads the block of data from multiple sources and also helps to generate a unique signature.
Ans. The following are the key features of Commvault:-
Ans. The following are the different methods of doing High availability in Commvault.
Ans. A storage policy in Commvault is a data management entity with a set of lifecycle management rules that defines data protection in the Subclient’s data. It manages and takes backup of the Subclient’s data even if it rests on other servers in Commcell.
These data management rules include managing data, protecting data, where the data will reside, and other options like shortening, encryption, and elimination of duplicate data in secured storage.
Moreover, the following are the various types of storage policies in Commvault:
Ans. Simpana is one of the major features of Commvault’s enterprise data recovery platform specially designed for backup, records, and data reporting. Moreover, it is the latest version of the Deduplication/duplicate elimination process launched by Commvault.
Ans. There is only one primary or synchronous copy and to that, we will be having multiple types of secondary types of copies. The following are secondary copies such as:-
Ans. DDB refers to Deduplication DataBase in Commvault where the term Deduplication is a logical way of imparting and storing data by ascertaining and removing replicate data blocks during backups.
Moreover, DDB is highly secured by DDB Backup Subclient. When we design a storage policy by enabling deduplication, the DDB Backup Subclient is also automatically built under the file system agent on the media client factor where the DDBs are actually organized.
Ans. To configure the Commvault Proxy on the new client, the following steps wil be helpful.
Ans. A Commcell environment in Commvault is the logical arrangement of all the software components that secure, transfer, and manage data and information. This environment includes CommServe host, MediaAgent, and Clients.
Ans. Commvault is a data management platform that includes various modules for protecting, analyzing, duplicating, and searching data. All these modules perform the same type of back-end services with a high capacity to interact with each other continuously.
Moreover, it installs agent software on the physical or virtual hosts to safeguard data. It uses the application's native APIs or OS to safeguard data in a compatible condition Then the data is taken back up using Media Agent to the disk, tape, or cloud storage. Here, the CommServe controls the whole data management as a central server.
Ans. A Silo is a group of disk capacity folders related to the Deduplication Database (DDB) and it takes backup of data. It holds the de-dupe data written on the disk storage. Here, the SILO activity duplicates the folders to tape and the data stays in its de-dupe form.
Ans. In the deduplication process in the Commvault, a HASH algorithm is used whenever a machine reads the block data from a different source. And it helps to produce a unique signature for the block data through this algorithm.
Ans. The default block size is 128kb for the deduplicated (De-dupe) storage policies.
Ans. Generally, we could maintain following the deduplication ratio:-
Ans. To download and view reports in Commvault, you can use the web console.
Ans. Reports can be accessed through the cloud services portal and web console.
Ans. Clone refers to making a duplicate copy of something but a Snapshot makes a primary copy of anything and then subsequently modifies it. Moreover, both of these are considered to be good methods for disaster recovery.
Ans. IRM refers to IntelliSnap Recovery Manager which executes hardware storage systems snapshots to a retrieval process. It doesn’t impact the production server in this process. Also, it provides speedy and easy backups for Snapshots, a centralized configuration wizard, and application support.
Below steps will present the way IRM works:
Ans. DDB or Deduplication Database seeding is a preset workflow that grants moving initial measure backup between two websites using a transferable disk drive.
Ans. To manage data, Commvault software runs a building block method which is a group of servers and storage that protects data sets irrespective of the data type or its origin.
DBB or Deduplication Building Blocks helps to safeguard large-size data with the least framework, faster backups, and better reliability.
Ans. It is true that Commvault is an enterprise-level software. Commvault is a very simple platform to use and it is developed from scratch and includes multiple modules. They can be used independently as per the requirement.
Ans. Commvault software offers the most effective, well-organized backup and restores enterprise data from common applications, OS, and databases. For data backup, it uses agents or factors to connect with apps or files. Also, it eases data transfer from production machines to secured environments.
The following are the different types of backups we get in Commvault:
Ans. The CDR helps to duplicate data from the source files to the target. It safeguards data and offers recovery support for different types of data which includes application data and file systems.
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