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Backup Strategies - how long should data be available?
I have a backup scheme with monthly, weekly and daily rotations. if a file is caught by monthly backup, it will be available for 4 months for restore. However, if someone creates a file on a tues and deletes the file on a wed in the middle of the month, it will probably only be available for the overwrite period of the daily incremental backup--10 days. That doesn't seem long enough.
I don't want to have an overwrite period of months for daily backups. How do others solve this issue of short-term files becoming unavailable to restore too quickly?
I don't want to have an overwrite period of months for daily backups. How do others solve this issue of short-term files becoming unavailable to restore too quickly?
that1guy15
I have multiple weeks of daily and weekly backup tapes that i rotate (week1 - week5). I then also have a monthly tape and a quarterly tape. This will allow anything created and deleted before a weekly to be kept for 5 weeks.
ASKER
Thanks.
How many rotations of daily tapes do you have? I have no rotation of dailies. I have 4 rotations of weekly and 4 rotations of monthly. The flaw in my plan seems to be the lack of a daily rotation. But, to go for 4 months, I'd seemingly have to have a lot of daily rotations.
How many rotations of daily tapes do you have? I have no rotation of dailies. I have 4 rotations of weekly and 4 rotations of monthly. The flaw in my plan seems to be the lack of a daily rotation. But, to go for 4 months, I'd seemingly have to have a lot of daily rotations.
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