https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143346#M42583 <!--!*#-->there is no problem with the disk...<BR />after shutting down and starting the system, everythings works fine...<BR /><BR />its only when reboot... the server/os causes the problem Wed, 26 Nov 2008 19:49:07 GMT Scorpianzzz 2008-11-26T19:49:07Z https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143344#M42581 <!--!*#-->Hi,<BR /><BR />I have configured a rx2660 server and presented LUNS to it from EVA4400. The OS installed is 11i v2.<BR /><BR />When the system is shutdowned and then powered on, all the LUNS are visible and everything is fine...<BR /><BR />Now when i reboot the system, the LUNS disappears... <BR /><BR />1. When I do <BR /> # vgdisplay -v vg01<BR /> <BR />vgdisplay: Volume group not activated.<BR />vgdisplay: Cannot display volume group "vg01".<BR /><BR />2. When I do<BR /> # vgchange -a y vg01<BR /> <BR />vgchange: Warning: Couldn't attach to the volume group physical volume "/dev/dsk/c4t0d1":<BR />The path of the physical volume refers to a device that does not<BR />exist, or is not configured into the kernel.<BR />vgchange: The path of the physical volume refers to a device that does not<BR />exist, or is not configured into the kernel.<BR />vgchange: Warning: couldn't query physical volume "/dev/dsk/c4t0d1":<BR />The specified path does not correspond to physical volume attached to<BR />this volume group<BR />vgchange: Warning: couldn't query physical volume "/dev/dsk/c6t0d1":<BR />The specified path does not correspond to physical volume attached to<BR />this volume group<BR />vgchange: Warning: couldn't query all of the physical volumes.<BR />vgchange: Couldn't activate volume group "vg01":<BR />Quorum not present, or some physical volume(s) are missing.<BR /><BR />3. But when I do<BR /> # ioscan -fnCdisk<BR /><BR />It shows all physical volume as CLAIMED <BR />... and then ALLOWS me to ACTIVATE Volume Group "vg01"<BR /><BR />The file /etc/lvmtab also looks fine...<BR /><BR />Can ne1 help me out with this problem. Its urgent...<BR /><BR />Regards,<BR />Rajiv Wed, 26 Nov 2008 18:13:23 GMT https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143344#M42581 Scorpianzzz 2008-11-26T18:13:23Z https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143345#M42582 Hi,<BR />maybe this could help you:<BR /><A href="http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf" target="_blank">http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf</A> Wed, 26 Nov 2008 18:45:36 GMT https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143345#M42582 IBaltay 2008-11-26T18:45:36Z https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143346#M42583 <!--!*#-->there is no problem with the disk...<BR />after shutting down and starting the system, everythings works fine...<BR /><BR />its only when reboot... the server/os causes the problem Wed, 26 Nov 2008 19:49:07 GMT https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143346#M42583 Scorpianzzz 2008-11-26T19:49:07Z https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143347#M42584 Thanks for all ur reply....<BR /><BR />The problem has been resolved...<BR /><BR />The main culprit was the FC card... replaced it and it worked fine...<BR /><BR /><BR />Thanks again... Tue, 09 Dec 2008 09:11:57 GMT https://community.hpe.com/t5/disk-enclosures/luns-not-getting-visible/m-p/5143347#M42584 Scorpianzzz 2008-12-09T09:11:57Z