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- From: iwelch@agsm.ucla.edu (Ivo Welch)
- Newsgroups: comp.sys.next.sysadmin
- Subject: dump/restore on DAT
- Message-ID: <1992Dec29.104517.25556@mic.ucla.edu>
- Date: 29 Dec 92 18:45:17 GMT
- Organization: UCLA, Anderson Graduate School Of Management
- Lines: 23
- Nntp-Posting-Host: risc.agsm.ucla.edu
-
-
- I own a WangDAT 1300, on which I do my occasional backups.
-
- [1] What is the probability that a dump is corrupted if I also
- create or delete a few files on the volume that I am dumping from?
- (I do not care about dumping these new files; I only care that
- the other files are restorable.) That is, I want to work while
- I backup.
-
- [2] Is there a dump verification program that tests for internal
- consistency (i.e. to detect if the problems mentioned in [1] may
- show up). I believe "restore t" does not seem to do it, because it
- only reads the first pass directory and file information, not the
- actual data information.
-
- [3] I currently use
- dump 1ufs /dev/rxt0 650000 /dev/rsd0a
- to backup. Is 650000 the correct number for a standard 90 minute
- DAT tape?
-
- I'll post a summary. Thanks for any advice.
-
- /ivo welch
-