topic Re: Why do I need to restart a Virtual Machine after adding disks in Operating System - HP-UX https://community.hpe.com/t5/operating-system-hp-ux/why-do-i-need-to-restart-a-virtual-machine-after-adding-disks/m-p/6714074#M522079 <P>First of all, the version that you speak about is obsolete for quite a long time.</P><P>&nbsp;</P><P>The reason for the error is that the older versions could not create virtual HBA online (this is possible now).</P><P>And because of that the commands were trying to save some space in the target range so that LUNs could be added</P><P>online later (if you do not give bus,dev,tgt). For the version you have it seem you have to explicitly specify</P><P>the bus,dev,tgt on some existing bus,dev to get the disk added online.</P><P>&nbsp;</P><P>You can explicitly give the location to the hpvmmodify command: disk:scsi:0,2,10:...&nbsp; should work.</P><P>&nbsp;</P><P>&nbsp;</P> Fri, 27 Feb 2015 12:57:36 GMT Stan_M 2015-02-27T12:57:36Z Why do I need to restart a Virtual Machine after adding disks https://community.hpe.com/t5/operating-system-hp-ux/why-do-i-need-to-restart-a-virtual-machine-after-adding-disks/m-p/6714070#M522078 <P>Hi ,</P><P>&nbsp;</P><P>&nbsp;</P><P>I read the forum to understand the need to restart a Virtual Machine after adding disks.</P><P>&nbsp;</P><P>"<A target="_blank" href="http://h30499.www3.hp.com/t5/Virtualization/Why-do-I-need-to-restart-a-guest-when-adding-disks/td-p/5097157#.VPAzn-YcSmQ&quot;">http://h30499.www3.hp.com/t5/Virtualization/Why-do-I-need-to-restart-a-guest-when-adding-disks/td-p/5097157#.VPAzn-YcSmQ"</A></P><P>"<A target="_blank" href="http://h30499.www3.hp.com/t5/Virtualization/Rebbot-of-hpvm-after-adding-disk/td-p/6706912#.VPBg6OYcSmQ&quot;">http://h30499.www3.hp.com/t5/Virtualization/Rebbot-of-hpvm-after-adding-disk/td-p/6706912#.VPBg6OYcSmQ"</A></P><P>-----&gt; This posted was created by me,Since there is a some problem in my personal id ,I was&nbsp; Not able to reset the password,so I duplicated the thread.</P><P>&nbsp;</P><P>but I have some few question to clear my doubt.</P><P>&nbsp;</P><P>I have two Virtual controller [0 1] and [ 0 2] and 15 disks can be added dynamically to a virtual controller.</P><P>&nbsp;</P><P>Virtual Machine Version :B.04.10.00</P><P>&nbsp;</P><P>After&nbsp;Storage team added&nbsp; disk to VSP server ,I executed below command</P><P>&nbsp;</P><P>opt/hpvm/bin/hpvmmodify -P hpivm182 -a disk:scsi::disk:/dev/rdisk/disk2612<BR />hpvmmodify: Unable to dynamically create device disk:scsi:<FONT color="#ff0000">0,4,2:disk:/dev/rdisk/disk2612 - Protocol error.</FONT><BR />hpvmmodify: Guest needs to be restarted (using hpvmstop followed by hpvmstart) for all changes to take effect.</P><P>&nbsp;</P><P>As per the below hpvmstatus output,why hpvmmodify automatically selected 0,4,2 when it should select 0,2,10.</P><P>&nbsp;</P><P>If not, can I execute hpvmmodify -P hpivm182 -a disk:scsi:0,2,10:disk:/dev/rdisk/disk2612 to make dynamnic changes.</P><P>&nbsp;</P><P>0,4,2&nbsp; - [0,4] Controller is automatically selected&nbsp;and any other&nbsp;ways to bypass it and make it to 0,2,10</P><P>&nbsp;</P><P>[Storage Interface Details]<BR />Guest&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Physical<BR />Device&nbsp; Adaptor&nbsp;&nbsp;&nbsp; Bus Dev Ftn Tgt Lun Storage&nbsp;&nbsp; Device<BR />======= ========== === === === === === ========= =========================<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 0&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_00/rlv_os_00<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_05/rlv_app_00<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_01/rlv_app_00<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 3&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_02/rlv_app_00<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 4&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_06/rlv_app_01<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 5&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_06/rlv_app_02<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 6&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_07/rlv_app_07_01<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 7&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_07/rlv_app_07_02<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 8&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_08/rlv_app_08_01<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp;&nbsp; 9&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_08/rlv_app_08_02<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp; 10&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_09/rlv_app_08_01<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0&nbsp; 11&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_10/rlv_app_10<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 0&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_11/rlv_app_11<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 1&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_12/rora11g<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_13/rlv_app_00<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 3&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_13/rlv_app_01<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 4&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_14/rlv_app_14<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 5&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_15/rlv_app_15<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 6&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_16/roracle_home<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 7&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_17/rlv_app_17<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 8&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_17/roracle_home_11_2_0_4<BR />disk&nbsp;&nbsp;&nbsp; scsi&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; 2&nbsp;&nbsp; 0&nbsp;&nbsp; 9&nbsp;&nbsp; 0 lv&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg_hpivm182_18/rlv_app_18</P><P>&nbsp;</P><P>Regards</P><P>&nbsp;</P><P>Madhu</P><P>&nbsp;</P><P>&nbsp;</P> Fri, 27 Feb 2015 12:42:49 GMT https://community.hpe.com/t5/operating-system-hp-ux/why-do-i-need-to-restart-a-virtual-machine-after-adding-disks/m-p/6714070#M522078 madhuca- 2015-02-27T12:42:49Z Re: Why do I need to restart a Virtual Machine after adding disks https://community.hpe.com/t5/operating-system-hp-ux/why-do-i-need-to-restart-a-virtual-machine-after-adding-disks/m-p/6714074#M522079 <P>First of all, the version that you speak about is obsolete for quite a long time.</P><P>&nbsp;</P><P>The reason for the error is that the older versions could not create virtual HBA online (this is possible now).</P><P>And because of that the commands were trying to save some space in the target range so that LUNs could be added</P><P>online later (if you do not give bus,dev,tgt). For the version you have it seem you have to explicitly specify</P><P>the bus,dev,tgt on some existing bus,dev to get the disk added online.</P><P>&nbsp;</P><P>You can explicitly give the location to the hpvmmodify command: disk:scsi:0,2,10:...&nbsp; should work.</P><P>&nbsp;</P><P>&nbsp;</P> Fri, 27 Feb 2015 12:57:36 GMT https://community.hpe.com/t5/operating-system-hp-ux/why-do-i-need-to-restart-a-virtual-machine-after-adding-disks/m-p/6714074#M522079 Stan_M 2015-02-27T12:57:36Z