https://community.hpe.com/t5/operating-system-linux/cannot-remove-mirror-using-hpacucli/m-p/4564718#M39351 Looks like you cannot do it online.<BR /><BR />The "remove" command is for removing spare drives only, and "delete" removes a logical drive, an array or the entire controller configuration. There is no command to remove an existing non-spare physical drive.<BR /><BR />What you want to do is to "split" the array, so that it won't automatically start rebuilding.<BR /><BR />See:<BR /><A href="http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c00378986/c00378986.pdf" target="_blank">http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c00378986/c00378986.pdf</A><BR /><BR />After splitting the array in two, you can re-configure the other half as a separate object.<BR /><BR />MK Mon, 18 Jan 2010 15:10:02 GMT Matti_Kurkela 2010-01-18T15:10:02Z https://community.hpe.com/t5/operating-system-linux/cannot-remove-mirror-using-hpacucli/m-p/4564717#M39350 <!--!*#-->Hi!<BR />I'm trying to use hpacucli in order to remove one physical disk from one of the arrays, in order to add it to another array.<BR />I've tried various commands (remove, modify) but I keep getting errors.<BR />Is it possible to do this operation online?<BR />How?<BR /><BR />See details below.<BR /><BR />I am running 64 bit Oracle Enterprise Linux Server release 5 on HP ProLiant ML350 G5.<BR /><BR />hpacucli shows:<BR />HP Array Configuration Utility CLI 8.35-7.0<BR />Smart Array E200i in Slot 0 (Embedded) (sn: QL75MV1555 )<BR /><BR />=&gt; ctrl all show config<BR /><BR />Smart Array E200i in Slot 0 (Embedded) (sn: QL75MV1555 )<BR /><BR /> array A (SAS, Unused Space: 0 MB)<BR /><BR /><BR /> logicaldrive 1 (136.7 GB, RAID 1, OK)<BR /><BR /> physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 146 GB, OK)<BR /> physicaldrive 2I:1:7 (port 2I:box 1:bay 7, SAS, 300 GB, OK)<BR /><BR /><BR />I'd like to obtain:<BR /> array A (SAS, Unused Space: 0 MB)<BR /><BR /> logicaldrive 1 (136.7 GB, RAID 0, OK)<BR /><BR /> physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 146 GB, OK)<BR /><BR /><BR /> unassigned<BR /><BR /> physicaldrive 2I:1:7 (port 2I:box 1:bay 7, SAS, 300 GB, OK)<BR /><BR /><BR />The error:<BR /><BR />=&gt; ctrl slot=0 array A remove drives=2I:1:7<BR /><BR />Error: This operation is not supported with the current configuration. Use the<BR /> "show" command on devices to show additional details about the<BR /> configuration.<BR /><BR />Thank you. Thu, 14 Jan 2010 21:54:50 GMT https://community.hpe.com/t5/operating-system-linux/cannot-remove-mirror-using-hpacucli/m-p/4564717#M39350 Sorin Serban 2010-01-14T21:54:50Z https://community.hpe.com/t5/operating-system-linux/cannot-remove-mirror-using-hpacucli/m-p/4564718#M39351 Looks like you cannot do it online.<BR /><BR />The "remove" command is for removing spare drives only, and "delete" removes a logical drive, an array or the entire controller configuration. There is no command to remove an existing non-spare physical drive.<BR /><BR />What you want to do is to "split" the array, so that it won't automatically start rebuilding.<BR /><BR />See:<BR /><A href="http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c00378986/c00378986.pdf" target="_blank">http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c00378986/c00378986.pdf</A><BR /><BR />After splitting the array in two, you can re-configure the other half as a separate object.<BR /><BR />MK Mon, 18 Jan 2010 15:10:02 GMT https://community.hpe.com/t5/operating-system-linux/cannot-remove-mirror-using-hpacucli/m-p/4564718#M39351 Matti_Kurkela 2010-01-18T15:10:02Z