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very long retention

作成: 09 Oct 2012 • 更新: 05 Jan 2013 | コメント数: 4
この問題は解決されました。 ソリューションを参照してください。

Hello,

The customer ask us to keep some monthly backups for an abnormal retention: 20 years!

We have to consider also:

the compatibility for the future type of client that will have to restore these backups;

the compatibility for the future type of tape drives with the actual type of cartridge - LTO3;

normally we manage our yearly retention backups with SLP and vault policies, we move from a DataDomain disk pool to a LTO3 library.

Do you have some hints? Has Netbackup some specific feature for this kind of scenario?

Thank you very much,

Simone

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Andy Welburn の写真

20 years!

  • leave on disk
  • duplicate to new format tapes as & when they become available to you.

The other consideration would be the actual veracity of the media itself after a prolonged period 'on the shelf'....

ソリューション
Marianne の写真

Rather consider Archiving as a solution.
A good archiving product is 'future proof' because of the format that archived data is written.

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links

Nicolai の写真

Backup is for crash recovery not for long term archive.

A archiving solution should also have meta data associated with the data stored. In 20 year nobody can recall what file xys contained, or on what server the file was stored. 

And as you mentioned yourself - further data format is a unsure business.

Netbackup is unable to store data beyond 2038 due to a Y2K like issue. 

Assumption is the mother of all mess ups.

If this post answered your'e qustion -  Please mark as a soloution.

cimo の写真

Ok, thank you for your help.

Simone