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тАО12-21-2004 07:18 AM
тАО12-21-2004 07:18 AM
DataGuard Physical Stby ARCH Transport over shared DS3 VPN
Given:
Physical Stby using MAX Performance ARCH transport. Standby database is 500 mi from Primary. We have two, 4T-1 pipes (primary and backup) to the standby site. This size of pipe is currently adequate. Mgmt has proposed replacing backup pipe with a VPN tunnel to our Stby site using existing DS3 connection to the Internet. The primary Network Path would stay the way it is.
Question:
Assuming (!!) we have at least 4 T-1 excess bandwith in our DS3, is there any reason we should NOT do this as a backup route to our Standby?
Regards,
Scott
Physical Stby using MAX Performance ARCH transport. Standby database is 500 mi from Primary. We have two, 4T-1 pipes (primary and backup) to the standby site. This size of pipe is currently adequate. Mgmt has proposed replacing backup pipe with a VPN tunnel to our Stby site using existing DS3 connection to the Internet. The primary Network Path would stay the way it is.
Question:
Assuming (!!) we have at least 4 T-1 excess bandwith in our DS3, is there any reason we should NOT do this as a backup route to our Standby?
Regards,
Scott
3 REPLIES 3
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тАО12-22-2004 04:48 AM
тАО12-22-2004 04:48 AM
Re: DataGuard Physical Stby ARCH Transport over shared DS3 VPN
Scott,
I don't see why you wouldn't use that option. What kind of log generation are you doing currently (logs per hour, log size, etc)? It sounds like either solution would be sufficient most likely.
Brian
I don't see why you wouldn't use that option. What kind of log generation are you doing currently (logs per hour, log size, etc)? It sounds like either solution would be sufficient most likely.
Brian
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тАО12-22-2004 06:34 AM
тАО12-22-2004 06:34 AM
Re: DataGuard Physical Stby ARCH Transport over shared DS3 VPN
Brian,
We're switching logs every 2-5 minutes. Log files sizes are 80-100 Mb
We're switching logs every 2-5 minutes. Log files sizes are 80-100 Mb
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тАО12-22-2004 07:12 PM
тАО12-22-2004 07:12 PM
Re: DataGuard Physical Stby ARCH Transport over shared DS3 VPN
Hmmm. Provided your backup connection is up to speed, the only other concern might be if the VPN is encrypted, and/or if you are carrying confidential financial data across it (oracle logs do carry text data in them). You might want to test the connection to see what your throughput is through the connection.
One other option that you could consider using if it is not is to compress the logs on one side, and decompress them on the other. That can normally cut the logs down to about 25% of the size, on average, depending on the data that is being put into the database.
Brian
One other option that you could consider using if it is not is to compress the logs on one side, and decompress them on the other. That can normally cut the logs down to about 25% of the size, on average, depending on the data that is being put into the database.
Brian
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