Removing a Drivewww.3ware.com 169Removing a DriveIf you have a hot-swap carrier and want to physically remove a drive fromyour system without powering it down, you must first remove it through the3ware software. This is required for 3ware controllers before the 9550SXmodel, and recommended for the 9550SX and 9590SE models.This is useful if you know that a drive is developing a problem and you wantto replace it, or to replace a drive which has already failed.Warnings:Physically removing a drive that is not in a hot swap carrier canresult in a system hang or may even damage the system and thedrive.The steps below will destroy any information that identifies thisdrive as part of a RAID unit. Existing data on this drive will nolonger be available.Notes:If you want to remove a unit from your system and reassemble it inanother system, do not follow these steps. Instead, turn to“Removing a Unit” on page 161.If you unplug a drive on a 9500S controller without first removingit through 3DM or 3BM, the controller will not recognize it asgone. Always use the Remove Drive command to remove a drivebefore unplugging it.If you unplug a drive on a 9550SX or 9590SE controller withoutfirst removing it in 3DM, it will be listed as removed, however itwill not be completely removed unless you Rescan the controller.To remove a drive1 In 3DM, choose Management > Maintenance.On the Maintenance Page, remove Drive links appear next to all drivesthat can be removed from units, and next to drives in the Available Driveslist.2 Locate the drive you want to remove and click the Remove Drive link(Figure 68).(You can remove a drive that is part of a redundant unit, or that is shownin the list of Available Drives.)
