https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800413#M493544 <P>Dear,</P><P>&nbsp;</P><P>&nbsp; i had a bad PV and i need to replcae it...but at first i need to reduce it's L.V on it.but when i try to reduce it ..it fails....</P><P>&nbsp;</P><P>the following are the data:</P><P>&nbsp;</P><P>the defected H.D are c6t2d0 the mirroring H.D is c7t2d0....it contain a list of LV....one of them is the Lvol23...it's LVdisplay as follow:</P><P>&nbsp;</P><P><BR />lvdisplay -v /dev/vg00/lvol23:</P><P>&nbsp;</P><P>- Logical volumes ---<BR />LV Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg00/lvol23<BR />VG Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg00<BR />LV Permission&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; read/write&nbsp; &nbsp;<BR />LV Status&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; available/stale&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Mirror copies&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Consistency Recovery&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MWC&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Schedule&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; parallel&nbsp;&nbsp;&nbsp; &nbsp;<BR />LV Size (Mbytes)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8000&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Current LE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Allocated PE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 250&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Stripes&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Stripe Size (Kbytes)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Bad block&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; on&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Allocation&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PVG-strict&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />IO Timeout (Seconds)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; default&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR /><BR />&nbsp;&nbsp; --- Distribution of logical volume ---<BR />&nbsp;&nbsp; PV Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LE on PV&nbsp; PE on PV &nbsp;<BR />&nbsp;&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR /><BR />&nbsp;&nbsp; --- Logical extents ---<BR />&nbsp;&nbsp; LE&nbsp;&nbsp;&nbsp; PV1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PE1&nbsp;&nbsp; Status 1 PV2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PE2&nbsp;&nbsp; Status 2<BR />&nbsp;&nbsp; 00000 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00006 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00006 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00001 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00007 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00007 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00002 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00008 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00008 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00003 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00009 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00009 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00004 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00010 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00010 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00005 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00011 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00011 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00006 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00012 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00012 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00007 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00013 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00013 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00008 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00014 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00014 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00009 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00015 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00015 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00010 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00016 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00016 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00011 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00017 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00017 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00012 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00018 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00018 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00013 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00019 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00019 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00014 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00020 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00020 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00015 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00021 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00021 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00016 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00022 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00022 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00017 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00023 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00023 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00018 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00024 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00024 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00019 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00025 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00025 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00020 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00026 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00026 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00021 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00027 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00027 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00022 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00028 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00028 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00023 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00029 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00029 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00024 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00030 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00030 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00025 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00031 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00031 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00026 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00032 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00032 stale&nbsp;&nbsp; &nbsp;<BR />Standard input<BR /><BR /></P><P>&nbsp;</P><P>and when i use th Key is represented as ?????--&gt;to be 2 and the c7t2d0-----&gt;to be 5</P><P>&nbsp;</P><P>i used the several syntx of the reduce it fail as follow:</P><P>&nbsp;</P><P>lvreduce -m 0 -A n –k /dev/vgname/lvname key<BR /><BR /></P><P>&nbsp;</P><P>i used the key as 2 but it fail and the warning messaage is:</P><P>&nbsp;</P><P>lvreduce: Warning: couldn't query physical volume "/dev/dsk/c6t2d0":<BR />The specified path does not correspond to physical volume attached to<BR />this volume group<BR />lvreduce: Warning: couldn't query all of the physical volumes.<BR />lvreduce: Physical volume "/dev/dsk/c6t2d0" does not belong<BR />to volume group "/dev/vg00".<BR />Logical volume "/dev/vg00/lvol23" is not reduced.<BR /><BR /></P><P>Also i used the following syntix:</P><P>&nbsp;</P><P>rmsmob,sys,root # lvreduce -m 0&nbsp; /dev/vg00/lvol23</P><P>&nbsp;</P><P>Physical extents on remaining physical volumes are stale or<BR />Remaining physical volumes are not responding.<BR />lvreduce: The LVM device driver failed to reduce mirrors on<BR />the logical volume "/dev/vg00/lvol23".<BR /><BR /><BR /><BR />rmsmob,sys,root # lvreduce -m 0&nbsp; /dev/vg00/lvol23 /dev/dsk/c6t2d0<BR />lvreduce: Warning: couldn't query physical volume "/dev/dsk/c6t2d0":<BR />The specified path does not correspond to physical volume attached to<BR />this volume group<BR />lvreduce: Warning: couldn't query all of the physical volumes.<BR />lvreduce: Physical volume "/dev/dsk/c6t2d0" does not belong<BR />to volume group "/dev/vg00".<BR />Logical volume "/dev/vg00/lvol23" is not reduced.<BR />rmsmob,sys,root #<BR /><BR /></P><P>&nbsp;</P><P>&nbsp;</P><P>this the output of the vgdisplay for the lvol23</P><P>&nbsp;</P><P>LV Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg00/lvol23<BR />&nbsp;&nbsp; LV Status&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; available/stale&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; LV Size (Mbytes)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8000&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; Current LE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; Allocated PE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 250&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; Used PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR /><BR /></P><P>also i tried to create the lvmtab by mv the old one and create it by vgsan -v but also it failed and the new created file is empty and doesn't contain any PV.</P><P>&nbsp;</P><P>Really appreicaite your Feedback....</P><P>&nbsp;</P> Tue, 11 Sep 2012 12:34:15 GMT hahmedma 2012-09-11T12:34:15Z https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800413#M493544 <P>Dear,</P><P>&nbsp;</P><P>&nbsp; i had a bad PV and i need to replcae it...but at first i need to reduce it's L.V on it.but when i try to reduce it ..it fails....</P><P>&nbsp;</P><P>the following are the data:</P><P>&nbsp;</P><P>the defected H.D are c6t2d0 the mirroring H.D is c7t2d0....it contain a list of LV....one of them is the Lvol23...it's LVdisplay as follow:</P><P>&nbsp;</P><P><BR />lvdisplay -v /dev/vg00/lvol23:</P><P>&nbsp;</P><P>- Logical volumes ---<BR />LV Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg00/lvol23<BR />VG Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg00<BR />LV Permission&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; read/write&nbsp; &nbsp;<BR />LV Status&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; available/stale&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Mirror copies&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Consistency Recovery&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MWC&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Schedule&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; parallel&nbsp;&nbsp;&nbsp; &nbsp;<BR />LV Size (Mbytes)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8000&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Current LE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Allocated PE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 250&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Stripes&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Stripe Size (Kbytes)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Bad block&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; on&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />Allocation&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PVG-strict&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />IO Timeout (Seconds)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; default&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR /><BR />&nbsp;&nbsp; --- Distribution of logical volume ---<BR />&nbsp;&nbsp; PV Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LE on PV&nbsp; PE on PV &nbsp;<BR />&nbsp;&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR /><BR />&nbsp;&nbsp; --- Logical extents ---<BR />&nbsp;&nbsp; LE&nbsp;&nbsp;&nbsp; PV1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PE1&nbsp;&nbsp; Status 1 PV2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PE2&nbsp;&nbsp; Status 2<BR />&nbsp;&nbsp; 00000 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00006 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00006 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00001 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00007 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00007 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00002 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00008 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00008 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00003 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00009 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00009 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00004 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00010 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00010 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00005 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00011 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00011 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00006 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00012 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00012 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00007 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00013 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00013 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00008 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00014 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00014 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00009 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00015 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00015 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00010 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00016 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00016 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00011 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00017 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00017 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00012 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00018 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00018 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00013 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00019 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00019 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00014 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00020 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00020 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00015 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00021 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00021 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00016 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00022 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00022 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00017 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00023 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00023 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00018 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00024 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00024 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00019 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00025 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00025 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00020 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00026 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00026 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00021 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00027 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00027 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00022 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00028 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00028 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00023 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00029 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00029 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00024 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00030 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00030 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00025 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00031 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00031 stale&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; 00026 ???&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 00032 current&nbsp; /dev/dsk/c7t2d0&nbsp;&nbsp;&nbsp; 00032 stale&nbsp;&nbsp; &nbsp;<BR />Standard input<BR /><BR /></P><P>&nbsp;</P><P>and when i use th Key is represented as ?????--&gt;to be 2 and the c7t2d0-----&gt;to be 5</P><P>&nbsp;</P><P>i used the several syntx of the reduce it fail as follow:</P><P>&nbsp;</P><P>lvreduce -m 0 -A n –k /dev/vgname/lvname key<BR /><BR /></P><P>&nbsp;</P><P>i used the key as 2 but it fail and the warning messaage is:</P><P>&nbsp;</P><P>lvreduce: Warning: couldn't query physical volume "/dev/dsk/c6t2d0":<BR />The specified path does not correspond to physical volume attached to<BR />this volume group<BR />lvreduce: Warning: couldn't query all of the physical volumes.<BR />lvreduce: Physical volume "/dev/dsk/c6t2d0" does not belong<BR />to volume group "/dev/vg00".<BR />Logical volume "/dev/vg00/lvol23" is not reduced.<BR /><BR /></P><P>Also i used the following syntix:</P><P>&nbsp;</P><P>rmsmob,sys,root # lvreduce -m 0&nbsp; /dev/vg00/lvol23</P><P>&nbsp;</P><P>Physical extents on remaining physical volumes are stale or<BR />Remaining physical volumes are not responding.<BR />lvreduce: The LVM device driver failed to reduce mirrors on<BR />the logical volume "/dev/vg00/lvol23".<BR /><BR /><BR /><BR />rmsmob,sys,root # lvreduce -m 0&nbsp; /dev/vg00/lvol23 /dev/dsk/c6t2d0<BR />lvreduce: Warning: couldn't query physical volume "/dev/dsk/c6t2d0":<BR />The specified path does not correspond to physical volume attached to<BR />this volume group<BR />lvreduce: Warning: couldn't query all of the physical volumes.<BR />lvreduce: Physical volume "/dev/dsk/c6t2d0" does not belong<BR />to volume group "/dev/vg00".<BR />Logical volume "/dev/vg00/lvol23" is not reduced.<BR />rmsmob,sys,root #<BR /><BR /></P><P>&nbsp;</P><P>&nbsp;</P><P>this the output of the vgdisplay for the lvol23</P><P>&nbsp;</P><P>LV Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /dev/vg00/lvol23<BR />&nbsp;&nbsp; LV Status&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; available/stale&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; LV Size (Mbytes)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8000&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; Current LE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; Allocated PE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 250&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR />&nbsp;&nbsp; Used PV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<BR /><BR /></P><P>also i tried to create the lvmtab by mv the old one and create it by vgsan -v but also it failed and the new created file is empty and doesn't contain any PV.</P><P>&nbsp;</P><P>Really appreicaite your Feedback....</P><P>&nbsp;</P> Tue, 11 Sep 2012 12:34:15 GMT https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800413#M493544 hahmedma 2012-09-11T12:34:15Z https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800439#M493545 <P>this the output of the vgscan:</P><P>&nbsp;</P><P class="yiv257306276MsoNormal"><SPAN>Output of vgscan </SPAN></P><P class="yiv257306276MsoNormal"><SPAN>&nbsp;</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>&nbsp;</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Creating "/etc/lvmtab".</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>vgscan: Couldn't access the list of <SPAN class="yshortcuts cs4-visible">physical volumes</SPAN> for volume group "/dev/vg00".</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Couldn't stat <SPAN class="yshortcuts cs4-visible">physical volume</SPAN> "/dev/dsk/c0t0d0":</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Invalid argument</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Couldn't stat physical volume "/dev/dsk/c6t2d0":</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Invalid argument</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Physical Volume "/dev/dsk/c6t3d0" is not part of a Volume Group</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Physical Volume "/dev/dsk/c7t3d0" contains no LVM information</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>&nbsp;</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>vgscan:&nbsp; has no correspoding valid raw device file under /dev/rdsk.</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Verification of unique LVM disk id on each disk in the volume group</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>/dev/vg00 failed.</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>&nbsp;</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Following Physical Volumes belong to one Volume Group.</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Unable to match these Physical Volumes to a Volume Group.</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>Use the vgimport command to complete the process.</SPAN></P><P class="yiv257306276MsoNormal"><SPAN>/dev/dsk/c3t0d0</SPAN></P> Tue, 11 Sep 2012 12:52:24 GMT https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800439#M493545 hahmedma 2012-09-11T12:52:24Z https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800525#M493546 any update ..please...<BR /> Tue, 11 Sep 2012 14:01:47 GMT https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800525#M493546 hahmedma 2012-09-11T14:01:47Z https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800583#M493547 <P>you're not really telling us enough -- like OS level or what's being seen in ioscan, what the failed drive is, etc....</P><P>&nbsp;</P><P>however, the basic procedure for replacing an unattached (failed) but mirrored drive is:</P><P>&nbsp;</P><P>. replace the drive</P><P>. confirm it's showing up as claimed in ioscan</P><P>. vgcfgrestore onto the replaced drive</P><P>. vgchange to attach the drive to the vg</P><P>. vgsync</P><P>&nbsp;</P><P>i sure hope that</P><P>. you made a copy of lvmtab before you ran vgscan</P><P>. you have a dependable/sane lvm backup file to support doing the vgcfgrestore</P> Tue, 11 Sep 2012 14:33:00 GMT https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800583#M493547 donna hofmeister 2012-09-11T14:33:00Z https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800613#M493548 for the ioscan for H.D all are claimed even the failed H.D which is c6t2d0.<BR /><BR />yes you tottaly right i had make copy for the lvmtab and generate a new one with vgscan 0v but it's emty file.<BR /><BR />so you are suggest now to replace the faulty H.D even it's contain the PE...without i reduce it first ...<BR /><BR />what i mean that when i had make the lvdispaly for the lvol23 and it issue that as follow:<BR /><BR />lvdisplay -v /dev/vg00/lvol23:<BR /><BR /><BR /><BR />- Logical volumes ---<BR />LV Name /dev/vg00/lvol23<BR />VG Name /dev/vg00<BR />LV Permission read/write<BR />LV Status available/stale<BR />Mirror copies 1<BR />Consistency Recovery MWC<BR />Schedule parallel<BR />LV Size (Mbytes) 8000<BR />Current LE 125<BR />Allocated PE 250<BR />Stripes 0<BR />Stripe Size (Kbytes) 0<BR />Bad block on<BR />Allocation PVG-strict<BR />IO Timeout (Seconds) default<BR /><BR />--- Distribution of logical volume ---<BR />PV Name LE on PV PE on PV<BR />/dev/dsk/c7t2d0 125 125<BR /><BR />--- Logical extents ---<BR />LE PV1 PE1 Status 1 PV2 PE2 Status 2<BR />00000 ??? 00006 current /dev/dsk/c7t2d0 00006 stale<BR />00001 ??? 00007 current /dev/dsk/c7t2d0 00007 stale<BR />00002 ??? 00008 current /dev/dsk/c7t2d0 00008 stale<BR />00003 ??? 00009 current /dev/dsk/c7t2d0 00009 stale<BR />00004 ??? 00010 current /dev/dsk/c7t2d0 00010 stale<BR />00005 ??? 00011 current /dev/dsk/c7t2d0 00011 stale<BR />00006 ??? 00012 current /dev/dsk/c7t2d0 00012 stale<BR />00007 ??? 00013 current /dev/dsk/c7t2d0 00013 stale<BR />00008 ??? 00014 current /dev/dsk/c7t2d0 00014 stale<BR />00009 ??? 00015 current /dev/dsk/c7t2d0 00015 stale<BR />00010 ??? 00016 current /dev/dsk/c7t2d0 00016 stale<BR />00011 ??? 00017 current /dev/dsk/c7t2d0 00017 stale<BR />00012 ??? 00018 current /dev/dsk/c7t2d0 00018 stale<BR />00013 ??? 00019 current /dev/dsk/c7t2d0 00019 stale<BR />00014 ??? 00020 current /dev/dsk/c7t2d0 00020 stale<BR />00015 ??? 00021 current /dev/dsk/c7t2d0 00021 stale<BR />00016 ??? 00022 current /dev/dsk/c7t2d0 00022 stale<BR />00017 ??? 00023 current /dev/dsk/c7t2d0 00023 stale<BR />00018 ??? 00024 current /dev/dsk/c7t2d0 00024 stale<BR />00019 ??? 00025 current /dev/dsk/c7t2d0 00025 stale<BR />00020 ??? 00026 current /dev/dsk/c7t2d0 00026 stale<BR />00021 ??? 00027 current /dev/dsk/c7t2d0 00027 stale<BR />00022 ??? 00028 current /dev/dsk/c7t2d0 00028 stale<BR />00023 ??? 00029 current /dev/dsk/c7t2d0 00029 stale<BR />00024 ??? 00030 current /dev/dsk/c7t2d0 00030 stale<BR />00025 ??? 00031 current /dev/dsk/c7t2d0 00031 stale<BR />00026 ??? 00032 current /dev/dsk/c7t2d0 00032 stale<BR />Standard input<BR /><BR />so you confirm that there is no impact on the data on this lvol since it existed on the faulty desk...<BR /><BR />so the steps will be:<BR />1-replace the faulty H.D and confirm to be claim.<BR />2-the vgcfgrestore as vgcfgrestore -n vg00 -l<BR />3-then use vgchange as vgchange -a y<BR />4-then vgscan<BR /><BR />thanks for your support and feedback... Tue, 11 Sep 2012 14:53:26 GMT https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800613#M493548 hahmedma 2012-09-11T14:53:26Z https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800641#M493549 <P>why do you think there are still PE on the failed drive?</P><P>&nbsp;</P><P>anyhow....you should always always always have a copy of this by your side "<A href="http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c01911837/c01911837.pdf" target="_blank">When Good Disks Go Bad</A>".</P> Tue, 11 Sep 2012 15:14:07 GMT https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800641#M493549 donna hofmeister 2012-09-11T15:14:07Z https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800663#M493550 really i had a copy of this and this my refrence on the investigation... Tue, 11 Sep 2012 15:40:08 GMT https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5800663#M493550 hahmedma 2012-09-11T15:40:08Z https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5801303#M493551 &gt;&gt; 00000 ??? 00006 current /dev/dsk/c7t2d0 00006 stale<BR /><BR />Looks like the only disk in this vg (c7t2d0) has failed.<BR /><BR />vgdisplay -v of this vg would be good to see.<BR /><BR />Consider to use your backup after replacing the disk. Wed, 12 Sep 2012 10:13:24 GMT https://community.hpe.com/t5/operating-system-hp-ux/lvreduce-doesn-t-work/m-p/5801303#M493551 Torsten. 2012-09-12T10:13:24Z