Dell EqualLogic PS6610E EqualLogic Group Manager Administrator s Guide PS Seri - Page 53
Post-Setup Tasks, About the Group Date and Time, Change or Delete an NTP Server
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4 Post-Setup Tasks After you complete the initial setup and deployment of your PS Series array, Dell strongly recommends that you perform the following tasks to finish configuring the group. • Set the group time and date • Customize access to the group GUI and CLI • Configure session settings • Set up event notifications • Set groupwide volume defaults • Secure your data • Add the group to SAN HQ When you need to update the firmware version that is running on an array, see Updating Firmware for Dell EqualLogic PS Series Storage Arrays and FS Series Appliances. This document is available from the support site, eqlsupport.dell.com. About the Group Date and Time All members of a group share the same time zone. Each array's clock is set at the factory, based on GMT. The default time zone is America/New York, ET (Eastern Time). Group time is initially based on the time set on the array that was used to create the group. Each array you add updates its clock to match the group's date and time. The group date and time determines the timestamp used to identify some objects (snapshots, for example) that you create on the group. Changing the time is a groupwide operation and updates all members. You can change the group time manually, or you can configure an external Network Time Protocol (NTP) server to automatically set the same time for all members. Change or Delete an NTP Server A PS Series group can use up to three external Network Time Protocol (NTP) servers to automatically set the same time for all the group members. The following considerations apply: • If you are using a dedicated management network, Dell recommends that your NTP server be on the same subnet as the dedicated management network. • If the group time changes by an hour or more, either because you manually modified it or the NTP server time changed, the synchronization operation can take as long as 24 hours. • If you have a NAS cluster in your PS Series group and are using Active Directory for external authentication, the NTP server must be the same NTP server used by Active Directory. See the Dell EqualLogic PS Series Storage Arrays Release Notes for more information about NTP configurations. To change or delete NTP servers: 1. Click Group → Group Configuration. 2. Click the General tab. 3. Click Add under NTP servers in the Date and Time panel. Post-Setup Tasks 53
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