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Comparing FlashGrid and Amazon RDS for Oracle

Comparing FlashGrid and Amazon RDS for Oracle

FlashGrid Cluster and Amazon RDS service are two distinct solutions for running Oracle Databases on AWS cloud. Each solution has its advantages in specific scenarios. This comparison aims to provide information to help select the most appropriate solution based on customer requirements.

FlashGrid Cluster for Oracle RAC

FlashGrid Cluster for Oracle Failover HA

Amazon RDS

Amazon RDS Custom

Key advantages

Active-Active HA
Full control
Flexibility
Performance
Oracle RAC lift-and-shift

Active-passive HA
Full control
Flexibility
Performance

Simplicity

Lower administration effort

More control

Lower administration effort

Solution type

Virtual appliance hosted on EC2 instances

Virtual appliance hosted on EC2 instances

Database-as-a-Service

Database-as-a-Service

Who manages database and OS

Customer (or MSP)

Customer (or MSP)

AWS

Shared (AWS + Customer)

High availability architecture

Active-Active
2, 3, or more Oracle RAC nodes

Active-Passive
Based on Oracle Clusterware.

Active-Passive

None

(Must rely on Data Guard replication)

Failover time

Zero

Up to several minutes

Up to several minutes

N/A
(Up to several minutes with Data Guard)

Downtime for maintenance

No downtime with rolling updates

May be needed

May be needed

May be needed

Oracle Cloud Control (OEM)

Yes

Yes

With restrictions

Yes

Database features

All

All

Some features not supported

Some features not supported

Database size

Unlimited

Unlimited

64 TB max

64 TB max

Storage IOPS

Up to 400k per node

Up to 400k

Up to 256K

Up to 256K

Storage throughput

Up to 12,500 MBPS per node

 

Scalable with the number of nodes

Up to 12,500
MBPS

(up to 30,000
MBPS with
additional storage
nodes)

Up to 4,000 MBPS

Up to 4,000 MBPS

CPU performance

Scalable with number of nodes

Limited by single EC2 instance

Limited by single EC2 instance

Limited by single EC2 instance

Backup/restore

Using RMAN

Using RMAN

Using storage snapshots

Using storage snapshots

Custom OS security hardening

Yes

Yes

No

Yes

Applying Oracle one-off patches

Yes

Yes

No

Yes

Database version upgrades

Upgrade schedule 100% controlled by customer

Upgrade schedule 100% controlled by customer

Forced upgrades possible

Forced upgrades possible

Database versions 11.2, 12.1, 12.2, 18c

Available

Available

No longer available

Version 11.2 no longer available

Billing

By AWS (EC2 + Marketplace fees)

By AWS (EC2 + Marketplace fees)

By AWS

By AWS

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