I did. After running lvextend command 'clvmd -R' failed on node2. Then I fenced the node2 (fenmrdev02) and run the clvmd -R again, this time without problems. I tried lvextend again - I get the same problem, and again clvmd -R times out. <div class="gmail_quote">On Tue, Nov 18, 2008 at 4:00 PM, Finnur Örn Guğmundsson <<a href="mailto:finnzi@finnzi.com">finnzi@finnzi.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Hi, Try to run: clvmd -R on one of the nodes. Bgrds, Finnur <div><div></div><div class="Wj3C7c"> > Here is the update: > > [root@fenmrdev03 ~]# lvextend -l+100%FREE /dev/nuvg4/nulv4 > Extending logical volume nulv4 to 10.00 GB > Error locking on node fenmrdev04: device-mapper: create ioctl failed: > Device or resource busy > Error locking on node fenmrdev03: device-mapper: create ioctl failed: > Device or resource busy > Failed to suspend nulv4 > > > On Tue, Nov 18, 2008 at 3:15 PM, Scott Wilson <<a href="mailto:swilson@uchicago.edu">swilson@uchicago.edu</a>> > wrote: > >> >> I think you need: >> >> lvextend -l+100%FREE /dev/nuvg4/nulv4 >> ^ >> >> Without the +, you were trying to set the logical volume size to the >> size >> of your free space, not adding the free space to the size. >> >> >> Scott Wilson Lead System Administrator >> <a href="mailto:swilson@uchicago.edu">swilson@uchicago.edu</a> NSIT - DCS - SeaUnix >> >> >> On Tue, 18 Nov 2008, Alan A wrote: >> >> I tried a few times to grow LVM by adding additional PV to VG, and then >>> executing 'lvextend' command. I am not sure what I am doing wrong but I >>> get >>> the message that there is error locking on one of the nodes, and then >>> the >>> GFS hangs. >>> >>> Here are some of the details: >>> >>> [root@fenmrdev03 ~]# vgs >>> VG #PV #LV #SN Attr VSize VFree >>> VolGroup00 2 2 0 wz--n- 50.75G 0 >>> gfs_sda1 1 1 0 wz--nc 10.00G 5.00G >>> gfs_sdb1 1 1 0 wz--nc 10.00G 3.00G >>> nuvg4 2 1 0 wz--nc 10.00G 5.00G >>> [root@fenmrdev03 ~]# lvs >>> LV VG Attr LSize Origin Snap% Move Log Copy% >>> Convert >>> LogVol00 VolGroup00 -wi-ao 40.81G >>> LogVol01 VolGroup00 -wi-ao 9.94G >>> gfs_sda1 gfs_sda1 -wi-ao 5.00G >>> gfs_sdb1 gfs_sdb1 -wi-ao 7.00G >>> nulv4 nuvg4 -wi-ao 5.00G >>> [root@fenmrdev03 ~]# pvs >>> PV VG Fmt Attr PSize PFree >>> /dev/cciss/c0d0p2 VolGroup00 lvm2 a- 33.81G 0 >>> /dev/cciss/c0d1p1 VolGroup00 lvm2 a- 16.94G 0 >>> /dev/sda1 gfs_sda1 lvm2 a- 10.00G 5.00G >>> /dev/sdb1 gfs_sdb1 lvm2 a- 10.00G 3.00G >>> /dev/sdc nuvg4 lvm2 a- 5.00G 0 >>> /dev/sdd nuvg4 lvm2 a- 5.00G 5.00G >>> >>> >>> Command I tried: >>> [root@fenmrdev03 ~]# lvextend -l100%FREE /dev/nuvg4/nulv4 >>> >>> >>> >>> >>> -- >>> Alan A. >>> >>> >> -- >> Linux-cluster mailing list >> <a href="mailto:Linux-cluster@redhat.com">Linux-cluster@redhat.com</a> >> <a href="https://www.redhat.com/mailman/listinfo/linux-cluster" target="_blank">https://www.redhat.com/mailman/listinfo/linux-cluster</a> >> > > > > -- > Alan A. > -- > Linux-cluster mailing list > <a href="mailto:Linux-cluster@redhat.com">Linux-cluster@redhat.com</a> > <a href="https://www.redhat.com/mailman/listinfo/linux-cluster" target="_blank">https://www.redhat.com/mailman/listinfo/linux-cluster</a> -- Linux-cluster mailing list <a href="mailto:Linux-cluster@redhat.com">Linux-cluster@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/linux-cluster" target="_blank">https://www.redhat.com/mailman/listinfo/linux-cluster</a> </div></div></blockquote></div> -- Alan A.