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Must I Stop the Server Before Backing Up EVS Disks on a Server Using VBS

Created: Nov 1, 2019 07:39:40Latest reply: Mar 4, 2022 12:43:41 675 7 2 0 0
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Hi, team!

Good morning!

I want to know must I need to stop the server before backing up EVS disks on a server using VBS?

Thanks!

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olive.zhao
Admin Created Nov 1, 2019 07:50:18

Hello, dear!

Have a nice day!

VBS can back up EVS disks that are in use. When a server is running properly, data is written to EVS disks of the server, and some newly generated data is stored in the server memory as cached data. During EVS disk backup, the data in the memory will not be automatically written to EVS disks, resulting in data inconsistency between EVS disks and their backups.


To ensure data integrity, back up EVS disks during off-peak hours when no data write operations are being performed on the EVS disks. Alternatively, suspend all data write operations and stop the application systems before initiating a backup task. For an extreme requirement for data integrity, stop the server (for cached data to be written to EVS disks) and start an offline backup task.

Hope can help you!


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piaopiaoran
piaopiaoran Created Nov 1, 2019 08:03:12 (0) (0)
Thank you!  
zaheernew
zaheernew Reply piaopiaoran  Created Sep 6, 2021 16:17:40 (0) (0)
 
Saqibaz
Saqibaz Created Mar 4, 2022 12:42:21 (0) (0)
 
All Answers
olive.zhao
olive.zhao Admin Created Nov 1, 2019 07:50:18

Hello, dear!

Have a nice day!

VBS can back up EVS disks that are in use. When a server is running properly, data is written to EVS disks of the server, and some newly generated data is stored in the server memory as cached data. During EVS disk backup, the data in the memory will not be automatically written to EVS disks, resulting in data inconsistency between EVS disks and their backups.


To ensure data integrity, back up EVS disks during off-peak hours when no data write operations are being performed on the EVS disks. Alternatively, suspend all data write operations and stop the application systems before initiating a backup task. For an extreme requirement for data integrity, stop the server (for cached data to be written to EVS disks) and start an offline backup task.

Hope can help you!


View more
  • x
  • convention:

piaopiaoran
piaopiaoran Created Nov 1, 2019 08:03:12 (0) (0)
Thank you!  
zaheernew
zaheernew Reply piaopiaoran  Created Sep 6, 2021 16:17:40 (0) (0)
 
Saqibaz
Saqibaz Created Mar 4, 2022 12:42:21 (0) (0)
 
olive.zhao
olive.zhao Admin Created May 28, 2021 06:47:00

Summary:

Solution Description Volume Backup Service (VBS)     

https://forum.huawei.com/enterprise/thread-465159.html

Solution Description Volume Backup Service (VBS) II     

https://forum.huawei.com/enterprise/thread-465643.html

What are the differences between EVS snapshot and VBS?  

https://forum.huawei.com/enterprise/en/what-are-the-differences-between-evs-snapshot-and-vbs/thread/726877-893

What is VBS?

https://forum.huawei.com/enterprise/en/what-is-vbs/thread/553965-893

Must I Stop the Server Before Backing Up EVS Disks on a Server Using VBS

https://forum.huawei.com/enterprise/en/must-i-stop-the-server-before-backing-up-evs-disks-on-a-server-using-vbs/thread/579180-893

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Unicef
Unicef MVE Created Sep 6, 2021 13:06:39

NICE
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Saqibaz
Saqibaz Created Mar 4, 2022 12:43:41

Good share Olive.zhao
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