Discussions specific to tape backups
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jadLEBANON
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Monthly job

Post by jadLEBANON » Mar 04, 2019 1:09 pm

Dear all,

Please note that i need your help in the following:
I have a monthly tape job which Veeam is automatically overwriting the file because it has the same name; the problem is for example at the end of February 2019 i had to delete the files of Feb 2018 in order to be able to run the job.
1- Tape still have a lot of empty space it can easily support new files.
2- I don't want to remove the old files
any thoughts please? i would really appreciate it.
Thank you in advance.
Jad Raad

Shestakov
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Re: Monthly job

Post by Shestakov » Mar 04, 2019 5:24 pm 1 person likes this post

Hello Jad,
Do you have GFS Media Pool or simple Media Pool?
Do you use Tape Protection? That's the way to protect data from overwriting.
Thanks

jadLEBANON
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Re: Monthly job

Post by jadLEBANON » Mar 05, 2019 5:43 am

hi i use simple media pool and yes i am familiar with tape protection but i did not know that it's used for this purpose. can you please give me more details? i can't run job until remove the lock from tape ( right click uncheck protect)

Shestakov
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Re: Monthly job

Post by Shestakov » Mar 05, 2019 10:35 am

Sure. Could you elaborate on your infrastructure and goals?
How much data do you backup and write to tape, what is the tape capacity, for how long do you want the backups to be protected from overwriting?

jadLEBANON
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Re: Monthly job

Post by jadLEBANON » Mar 05, 2019 12:51 pm

tape size is 3tb
drive is HP ultrium 5 scsi
backup size is maximum 120GB for each month that's why i wanted to backup many months on the same tape.
and finally concerning how much time i would like to protect from overwriting i want the maximum time
thanks a lot for your time and commitment
jad.

jadLEBANON
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Re: Monthly job

Post by jadLEBANON » Mar 05, 2019 1:20 pm

one last question if the tape is protected can i run the job? will it keep the old file and add the other files to it??

Shestakov
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Re: Monthly job

Post by Shestakov » Mar 05, 2019 4:15 pm

You can choose Do not create, always continue using current media set option, so each subsequent backup session will write its backup set to the existing media set: it will append backup content to the content that was written to tape with a previous backup session.
If size of tape is much bigger, than amount of data written data protection is not required.
By the way, how many tapes do you have?

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