Throw Away Half of Your Disks and Run Your Database ... - Oracle
Throw Away Half of Your Disks and Run Your Database ... - Oracle
Throw Away Half of Your Disks and Run Your Database ... - Oracle
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<strong>Oracle</strong> Data Guard<br />
Primary<br />
<strong>Database</strong><br />
Data Guard<br />
Redo Shipping<br />
St<strong>and</strong>by<br />
<strong>Database</strong><br />
• Redo Shipping<br />
• Send redo data over network from primary to st<strong>and</strong>by<br />
• Size <strong>of</strong> redo data typically small (transactional) <strong>and</strong> not network-bound<br />
• Gap Resolution<br />
• After network outage – resynchronize st<strong>and</strong>by<br />
• Size <strong>of</strong> redo data much larger
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