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Best Practice: Backup and regular tape retrieval of up large static (video) files

创建时间: 15 9 月 2010 | 5 条评论
MLR 的图片

The backup scenario is multiple work disks to dedupe disk, then to tape.

The problem is that there is not enough disk space (work or dedupe) for all the large static (video) files.

Therefore I need a solution to delete files from disk (to make space) while remembering their tape counterparts for future restoring.

The solution requires that restored files (from tape set) do not get re-backed up (duplicated) to same tape set.

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teiva-boy 的图片

Seeing as how dedupe does NOTHING for multimedia files like video or audio, 

Could you perhaps reorg your data so that backups of multimedia files go directly to tape, and all else to the dedupe folder?

Or perhaps it's an archive backup job that you want to have done?  

There is an online portal, save yourself the long hold times. Create ticket online, then call in with ticket # in hand :-) http://mysupport.symantec.com "We backup data to restore, we don't backup data just to back it up."

MLR 的图片

Media files are special? smiley

Thanks and that's fine but let me rephrase my issue slightly.

Irregardless of source directory, is there a backup option to not backup files again that have the same name, date and size?

I currently use Retrospect (a bit flaky) which has the option.

pkh 的图片

is there a backup option to not backup files again that have the same name, date and size?

Yes. You can use incremental backups which will backup only those files that were changed since the last full or incremental backup.

MLR 的图片

"incremental backup" sad

Irregardless of source directory?

Irregardless if already on tape (anywhere)?

pkh 的图片

Normally before doing an incremental backup, one would do a full backup of the source data and then use the SAME selection list to do further incremental backups of the same source data.

The Admin Guide has a section which deals with incremental backups and its implications with respect to restoring the data later.  I would strongly suggest that you familiarise yourself with this before doing any incremental backups.