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Re: What is safe to exclude when doing a UFS backup?

From: Marty Scholes <marty(at)outputservices(dot)com>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: What is safe to exclude when doing a UFS backup?
Date: 2004-05-27 16:45:03
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin

Many thanks!


Bruce Momjian wrote:
> Marty Scholes wrote:
>>We are running a tiny (< 1GB) Pg installation, but are starting to 
>>migrate over our production Oracle apps.
>>We run a daily Oracle dump and a daily Pg dump to /var/tmp, keeping the 
>>most recent four versions of each.
>>Nightly, we have Veritas Netbackup backup the whole filesystem to a tape 
>>Currently, the Oracle data directory (which also has the redo logs) is 
>>excluded from the UFS backup as those datafiles are 100 GB and are 
>>completely useless in a restore.
>>I have not excluded the Pg data files since I don't know what is safe to 
>>exclude and the files are very small.
>>As we migrate apps and the Pg install grows, we will need to exclude 
>>those data files.
>>Which directories/files are safe to exclude from the UFS backup?  In 
>>other words, what files can Pg live without and still get off the ground 
>>far enough to restore from a pg_dump?
> You need to back up all the files in /data, but none of the subdirectories.
> We should make this easier to do someday.

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