SAP HANA 2.0 Administration · Backup & Recovery

HANA's retention policy will auto-delete old backup generations by age. Why does the "Minimum No. of Retained Backup Generations" (default 2) exist, and what must you watch when it deletes?

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More in Backup & Recovery

You take a storage snapshot of a running HANA system without telling the database. On recovery, why does HANA treat it as a crash, and what would a database-aware snapshot have done differently?

Before a restore you want to confirm the backup files are not just present but actually uncorrupted. Why is hdbbackupdiag not enough, and which tool do you use?

Under sustained high transaction load, single-segment log backups start queuing up. What HANA feature fixes this, and what is the consequence of leaving max_log_backup_size at its default?

From the system database you need to back up only tenant S14. What is the statement, and what is the easily-skipped detail that changes which database gets backed up?

For a production database you must lose as little data as possible. Which HANA recovery mode do you pick, and why is "to a specific data backup" the wrong choice there?

You want your third-party (Backint) HANA backups to land on a specific path. Why does the usual file-backup path parameter not help here?

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