<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.2800.1458" name=GENERATOR></HEAD> <BODY> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>Hello!</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>I've set up LVM2 and using it for a long time. Now I'd like to extend it, but some strange things will happen. Here is the output on what I'm doing. Could anybody explain this and help me out?</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>--- Cut ---</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># vgdisplay -v</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> Finding all volume groups<BR> Finding volume group "loop"<BR> --- Volume group ---<BR> VG Name loop<BR> System ID<BR> Format lvm2<BR> Metadata Areas 9<BR> Metadata Sequence No 26<BR> VG Access read/write<BR> VG Status resizable<BR> MAX LV 255<BR> Cur LV 1<BR> Open LV 1<BR> Max PV 255<BR> Cur PV 9<BR> Act PV 9<BR> VG Size 461.65 GB<BR> PE Size 4.00 MB<BR> Total PE 118183<BR> Alloc PE / Size 117760 / 460.00 GB<BR> Free PE / Size 423 / 1.65 GB<BR> VG UUID c3smTi-4zsd-3D88-XDrS-0qel-pdLU-hTjaZz</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> --- Logical volume ---<BR> LV Name /dev/loop/vrt<BR> VG Name loop<BR> LV UUID yyiueT-IIgT-C2PW-B6Q9-cuQF-lUE9-ri6tg8<BR> LV Write Access read/write<BR> LV Status available<BR> # open 2<BR> LV Size 460.00 GB<BR> Current LE 117760<BR> Segments 9<BR> Allocation next free (default)<BR> Read ahead sectors 0<BR> Block device 253:1<BR><BR> --- Physical volumes ---<BR> PV Name /dev/md20<BR> PV UUID nCveg1-V16Y-08nq-BG1u-PJYj-HxDZ-0rTOwS<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md21<BR> PV UUID 8DifNi-Xsvx-1y8x-8ZYL-e2NE-lxZI-g5cn4E<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md22<BR> PV UUID XXNuHR-9rUu-t88K-hEFb-vqQb-S1Sw-pZIbIU<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md23<BR> PV UUID lQqCD8-nS21-47a7-y7mN-0Ysi-v6Ey-NJqOdA<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md24<BR> PV UUID jCpAXU-k0qs-bVvI-Shyc-R2YR-hbnJ-aYulWR<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md10<BR> PV UUID GJhjij-ovSA-dGbT-4duJ-E7lL-laRl-bD9oxO<BR> PV Status allocatable<BR> Total PE / Free PE 8191 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md11<BR> PV UUID wDZ4XC-5bVL-hHQy-37cX-Dmov-1ARX-Fyg3G5<BR> PV Status allocatable<BR> Total PE / Free PE 22499 / 0<BR><BR> PV Name /dev/md12<BR> PV UUID 6Ohei3-Qbtc-WL5g-Nmmg-mNnT-9t46-DObz2l<BR> PV Status allocatable<BR> Total PE / Free PE 22499 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md14<BR> PV UUID AFr95V-lZhU-JfCC-q3DU-Z2me-Ax0a-x4qYvS<BR> PV Status allocatable<BR> Total PE / Free PE 14999 / 423</FONT></SPAN></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># So far so good! No I'd like to add /dev/md13 to VG. First I make md13 and check its status:</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># ps axwf</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>26518 pts/0 S 0:26 nbd-client host2 9000 /dev/nb2<BR>26591 pts/0 S 0:22 nbd-client host12 9001 /dev/nb12<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># mkraid -R /dev/md13<BR>DESTROYING the contents of /dev/md13 in 5 seconds, Ctrl-C if unsure!<BR>handling MD device /dev/md13<BR>analyzing super-block<BR>disk 0: /dev/nb2, 25600000kB, raid superblock at 25599936kB<BR>disk 1: /dev/nb12, 25608192kB, raid superblock at 25608128kB<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># cat /proc/mdstat</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>md13 : active raid0 nbd12[1] nbd2[0]<BR> 51206144 blocks 1024k chunks</FONT></SPAN></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># pvcreate -ff /dev/md13<BR> Physical volume "/dev/md13" successfully created<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># fdisk -l /dev/md13</FONT></SPAN></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>Disk /dev/md13: 52.4 GB, 52435091456 bytes<BR>2 heads, 4 sectors/track, 12801536 cylinders<BR>Units = cylinders of 8 * 512 = 4096 bytes</FONT></SPAN></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># Ok, this were all ok. But now!</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># vgextend loop /dev/md13<BR> Volume group "loop" successfully extended<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># vgdisplay -v<BR> Finding all volume groups<BR> Finding volume group "loop"<BR> --- Volume group ---<BR> VG Name loop<BR> System ID<BR> Format lvm2<BR> Metadata Areas 9<BR> Metadata Sequence No 27<BR> VG Access read/write<BR> VG Status resizable<BR> MAX LV 255<BR> Cur LV 1<BR> Open LV 1<BR> Max PV 255<BR> Cur PV 10<BR> Act PV 10<BR> VG Size 510.48 GB<BR> PE Size 4.00 MB<BR> Total PE 130684<BR> Alloc PE / Size 117760 / 460.00 GB<BR> Free PE / Size 12924 / 50.48 GB<BR> VG UUID c3smTi-4zsd-3D88-XDrS-0qel-pdLU-hTjaZz</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> --- Logical volume ---<BR> LV Name /dev/loop/vrt<BR> VG Name loop<BR> LV UUID yyiueT-IIgT-C2PW-B6Q9-cuQF-lUE9-ri6tg8<BR> LV Write Access read/write<BR> LV Status available<BR> # open 2<BR> LV Size 460.00 GB<BR> Current LE 117760<BR> Segments 9<BR> Allocation next free (default)<BR> Read ahead sectors 0<BR> Block device 253:1</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> --- Physical volumes ---<BR> PV Name /dev/md20<BR> PV UUID nCveg1-V16Y-08nq-BG1u-PJYj-HxDZ-0rTOwS<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md21<BR> PV UUID 8DifNi-Xsvx-1y8x-8ZYL-e2NE-lxZI-g5cn4E<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md22<BR> PV UUID XXNuHR-9rUu-t88K-hEFb-vqQb-S1Sw-pZIbIU<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md23<BR> PV UUID lQqCD8-nS21-47a7-y7mN-0Ysi-v6Ey-NJqOdA<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md24<BR> PV UUID jCpAXU-k0qs-bVvI-Shyc-R2YR-hbnJ-aYulWR<BR> PV Status allocatable<BR> Total PE / Free PE 9999 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md10<BR> PV UUID GJhjij-ovSA-dGbT-4duJ-E7lL-laRl-bD9oxO<BR> PV Status allocatable<BR> Total PE / Free PE 8191 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md11<BR> PV UUID wDZ4XC-5bVL-hHQy-37cX-Dmov-1ARX-Fyg3G5<BR> PV Status allocatable<BR> Total PE / Free PE 22499 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md12<BR> PV UUID 6Ohei3-Qbtc-WL5g-Nmmg-mNnT-9t46-DObz2l<BR> PV Status allocatable<BR> Total PE / Free PE 22499 / 0</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/md14<BR> PV UUID AFr95V-lZhU-JfCC-q3DU-Z2me-Ax0a-x4qYvS<BR> PV Status allocatable<BR> Total PE / Free PE 14999 / 423</FONT></SPAN></DIV> <DIV> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> PV Name /dev/nb2<BR> PV UUID Uuf1tv-4SGG-zbmD-qvxO-Q4ZN-5Iiv-rMJWds<BR> PV Status allocatable<BR> Total PE / Free PE 12501 / 12501<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>--- Cut ---</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>Notice the last PV!!! I'm adding md13, but getting nb2, why???</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>--- Cut ---</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># vgreduce loop /dev/md13<BR> Physical Volume "/dev/md13" not found in Volume Group "loop"<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># vgreduce loop /dev/nb2<BR> Removed "/dev/nb2" from volume group "loop"<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># uname -r<BR>2.6.5-1.358<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2># rpm -qv lvm2<BR>lvm2-2.00.15-2<BR></FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>--- Cut ---</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>So could anybody help me out and give me hint what to do to add successfully md13. Note that all previos md-s are actually raid0 of nbd-s.</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>rgds,</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2>Liivo Liivrand</FONT></SPAN></DIV> <DIV><SPAN class=044062611-06092004><FONT face=Arial size=2> </DIV></FONT></SPAN></BODY></HTML>