User manual HP STORAGEWORKS NAS 8000 VERSION 1.6.X

[. . . ] installation and user's guide hp StorageWorks NAS Data Path Manager installation and user's guide Edition: March 2003 Part Number: A7423-96001 © Hewlett-Packard Company, 2003. Hewlett-Packard Company makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. This document contains proprietary information, which is protected by copyright. [. . . ] To restore the path, you must put it back on-line. The path then returns to it's previous mode and state. Automatic Failback will then restore the path so it can be used for failover. You have taken the path off-line, so the path does not necessarily need repair. To restore the path, you must put it back on-line. The path then returns to it's previous mode and state. Repair (or restore) the preferred path(s) so normal operations will not be interrupted if the alternate path fails Failed Alternate * Alternate Off-line * Alternate Active The state of alternate paths is not shown in this table, unless that path is currently being used. You can find the current state of any path by selecting the path, then selecting Actions > Test Selected Path. The test will take up to two minutes, then a dialog box will report the status of the path. hp StorageWorks NAS Data Path Manager Installation and User's Guide 23 NAS Data Path Manager Create a New Volume Group To create a new volume group: 1. In Command View NAS, click the Storage tab. Select Actions > Create New Volume Group to bring up the Create New Volume Group dialog box. Enter a name for your new volume group in the Volume Group Name field. Select an appropriate LUN from the Available LUNs list and click OK to move the name to the Allocated LUNs list. Continue to select and move LUNs, as appropriate. Click OK to create the volume group and return to the Volume Groups table view. Edit Selected Volume Group To edit an existing volume group: 1. In Command View NAS, select the Storage tab 2. Select Volume Groups, then the View Volume Groups icon (first icon to the right of Actions) to use the table view. Select the volume group you want to rename by clicking the row. Select Actions > Edit Selected Volume Group to bring up the Edit Volume Group dialog box. To change the volume group name, type in the corrected name in the Volume Group Name field. To add a LUN, select it from the Available LUNs field, click the Add button. The LUN will move to the Allocated LUNs field. To change your mind about adding a LUN, select it from the Allocated LUNs field, click the Remove button. [. . . ] Controller The hardware device that facilitates communication between a host and one or more specified LUNs. Controller failover For EVAs and EMAs in multibus controller failover mode, when you have more than one controller, failover between the two controllers requires host intervention; it does not happen automatically. Critical state The condition of a system where there are no more available physical paths; the system is currently using the last available path for communication. Keep in mind that individual path failure (warning) is only reported when all paths have failed for an activated volume group (critical). [. . . ]