Symantec Replicator Option
- (v. 6.1 )
- Basic Maintenance (1 year )
- 1 server
- EDU
- Tier M
- Symantec Buying Programs: Academic
- Level S (1+ )
- UNIX In synchronous mode, all data writes are first posted to the SRL & then sent to the secondary location (s). The posting of the data to the actual data volumes happens in this time period also. When the secondary location (s) receives the data write & acknowledgment is sent back to the primary location, then the application acknowledges the data write to be complete. Therefore, synchronous replication should be used in environments that cannot afford any data loss & can afford some application performance impact. Overall performance in synchronous mode is governed by the amount of time that it takes to write to the SRL plus the round-trip time to send data to the secondary & receive acknowledgment. The secondary acknowledges receipt as soon as the full write transaction (as sent by the application on the primary) is received into Volume Replicator kernel memory space. This removes actual writing to the secondary data volumes from the application latency. The primary tracks these writes in its SRL until a second acknowledgment is received from the secondary, signaling that the data has been written to physical storage. Both acknowledgments have an associated timeout, so if a packet is not acknowledged, it will be re-sent. To maximize performance, Volume Replicator only waits for data to be received. Not waiting for data to be written at the secondary improves application performance. But it tracks all acknowledged, uncommitted transactions & can replay any necessary transactions if the secondary were to crash prior to actually writing its data to the physical storage. Synchronous mode has two possible RLINK settings: "fail" & "override". These settings deal with the behavior of Volume Replicator when the network connection is lost to a secondary site.SYMANTEC BUYING PROGRAMS: ACADEMICSymantec Buying Programs are designed to streamline the purchase of Symantec security & availability software as well as support & maintenance services. Aligned to a variety of business requirements, Symantec Buying Programs offer enterprise customers the ability to earn greater discounts & to effectively track & manage software licenses. The Symantec Academic Buying Program helps streamline the way authorized academic institutions & charities throughout the world purchase Symantec software products. There are no signed contracts, & the requirements to participate are minimal. In most instances, the program enables procurement with a single purchase order, with products delivered in a single shipment & on a single invoice. Customers earn eligibility for discounts & can consolidate their buying power (with a minimal number of licenses) within any given transaction. To procure software products through the Symantec Academic Program, customers simply purchase a media pack & the number of licenses they need from a Symantec partner. Customers will then receive a license certificate that confirms their purchase & the terms & conditions for using the software. There's no need for a signed contract or legal review.BASIC MAINTENANCE SERVICESEvery computing environment requires reliable technical support & timely version upgrades & content updates. Symantec Basic Maintenance is an ongoing investment in Symantec software technologies & customer's business. This package is designed to help keep non-essential systems current with the latest Symantec version upgrades & content updates.