Solution Guide for Migrating Oracle on UNIX to SQL Server - Willy .Net

<strong>Solution</strong> <strong>Guide</strong> <strong>for</strong> <strong>Migrating</strong> <strong>Oracle</strong> on UNIX to SQL Server on Windows 321●Additional considerationsThese categories are discussed under the following headings.ServerThe following are some server-related items that should be considered <strong>for</strong> the checklist:●●●●●●●●●●●●●●●●●●●Have all relevant service packs been loaded to the production servers? Are the OSand installed service pack level well known and documented? You will need thisin<strong>for</strong>mation if the systems fail and manufacturer support is required.Have the settings from the per<strong>for</strong>mance tuning in the test environment during theStabilizing Phase been transferred correctly? At the same time, ensure that anyconfigurations unique to the testing environment have not been transferred to theproduction environment.Have backup power systems been fully tested to ensure proper operation?Are an appropriate number of replacement hard disks on hand in case of failure inan array?Are the default client connection network library settings established on the server?Are all database and application server installation settings documented (such assort orders and default language)?Has communication between servers been checked to assure that proper DNSresolution and routing is functioning as expected?Are alerts defined <strong>for</strong> key problems and conditions? Who monitors the e-mailaddress to which these are sent? Are pagers used? Has the alert system beentested?Has the team removed guest accounts from the system and checked to ensurethat this does not affect the application?Is the appropriate level of directory security set?Has security logging been implemented?Have all non-essential services and open ports on the server been identified andclosed?Has the team tested production integration with third-party systems?Have any and all event log messages been identified and investigated?Does the OS have sufficient client access licenses <strong>for</strong> the expected peak trafficloads?Are sufficient client access licenses and connections installed <strong>for</strong> the OS? Is thisbeing monitored to assure that it does not reach its limit?Are system configurations <strong>for</strong> all tiers backed up? Were scripts created to resetconfigurations in an emergency or to bring up a new server? Are they in a wellknownlocation?Have server backups been tested? Are procedures in place <strong>for</strong> proper storage andretrieval?Have clustering software configuration and failover operations been tested?