Dell PowerVault MD1120 Hardware Owner's Manual

Also see for PowerVault MD1120: Optimization guide Getting started guide Information update Setup guide Getting started guide

Contents

Dell PowerVault MD1120 Hardware Owner's Manual Manual pdf 25 page image

Operating Your Storage Enclosure 257 Turn on power to the host system.8 Check the LED indicators on the front and back of the storage enclosure.If any amber fault indicators are illuminated, see "Troubleshooting YourEnclosure" on page 43.Changing Your Enclosure’s Operating ModeIf you decide to change the operating mode of your enclosure after initialconfiguration (for example, from split mode to unified mode or vice versa), itis important to follow some basic steps to guard against preventableproblems.To change to either mode from a previous configuration:1 Back up all data contained in the enclosure and store the backed up data ina secure location.2 When changing from unified mode to split mode, remove any virtual diskconfigurations that span slot ranges 0-11 and 12-23. For more information,see your Server Administrator documentation.NOTE: When changing from split mode to unified mode, some virtual disks mayappear as foreign if the configuration was not deleted before powering theenclosure back on. These disks must be imported via Server Administrator or thePERC 6/E Ctrl-R BIOS utility before they can be used.3 Power down the server.4 Power down the enclosure by turning off both power supply/cooling fanmodules.5 Change the position of the enclosure mode switch (see Figure 1-2).6 Rearrange the disks in the enclosure as necessary.7 Power on the enclosure by turning on both power supply/cooling fanmodules.8 Power on the server.9 Re-create any virtual disks within the enclosure, if necessary.