Can the sys admins save raw devices?
Platform: Solaris 5.10DB versions: 11g
As raw devices are not from the OS to the format sys admins can save raw devices? If they cannot, then, this means that we completely rely on backups RMAN to our DBs CARS. Right?
resistanceIsFruitful wrote:
Platform: Solaris 5.10
DB versions: 11gAs raw devices are not from the OS to the format sys admins can save raw devices?
Yes. They can use the command dd (disk image) backup - where If (input file) is the raw device and of (output file) is a tape drive or a backup device.
If they cannot, then, this means that we completely rely on backups RMAN to our DBs CARS. Right?
This should be the preference. Backup of a raw device using dd does not guarantee a database or the cluster that can be restored - as other processes are / can be write data, while dd is playing it to the backup. It doesn't have the same management and control functions and the flexibility of rman.
Do not use rman would be a mistake to IMO.
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