Veritas-bu

Re: [Veritas-bu] Ideal Netbackup solution for backing up millions of files

2014-12-13 00:17:34
Subject: Re: [Veritas-bu] Ideal Netbackup solution for backing up millions of files
From: "nbuser" <nbuser AT rediffmail DOT com>
To: <VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU>
Date: 13 Dec 2014 05:17:21 -0000
Flashbackup is the ideal option to backup these many files. We use it and till now no issues reported.

On Sun, 28 Sep 2014 04:02:11 +0530 Shaheensn wrote
>Hi,



It would be extremely helpful if the expert minds in this forum could help me with below concerns related to backing up data using Symantec NetBackup.



Background



Our system has a folder containing millions of small files spread across 1000s of sub folders running into more than 500GB that needs to be backed up on a daily basis. The backup usually starts end of day and is ideally supposed to finish before users start accessing the system the following day. However, the current backup using Symantec Netbackup takes lot of time and hence, this impacts the system performance. I assume this is because of the current backup approach used by Symantec is based on file-level backup.



The current backup policy has a monthly full backup, weekly differential backup and daily incremental backup. However, the daily backup itself takes more than double the desired time. Symantec client version is 7.6.02.The server is a physical server having Windows Server 2003. The drive is dedicated to storing the files.



I am looking for a solution that would provide the fastest backup in order to ensure that backups are completed before users start accessing the system in the morning.



1. What is the best approach for backing up millions of small files spread across 1000s of folders using Symantec Netbackup?

2. I understand that flash backup feature in Symantec uses block-level backup and this would be ideal approach since there are lot of files involved?

3. What are the disadvantages of using Symantec Flashbackup feature?

4. Does installing Symantec SAN client without having fiber channel offer any improvement in backup speed? I read on some forums that you should use SAN client only if there is fiber channel support.

5. Would moving applications to Virtual Machines hosted on Vmware environment provide any improvement.



PS: Backups are not my domain of expertise and hence, I would like to apologize in advance if I have mentioned something absurd. Secondly, changing the application file structure is not an option :(



Cheers,



Shaheen



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