Hi,<br>I tried create mirror for root fs - lvol1.<br><br>dunco:~# lvs<br> LV VG Attr LSize Origin Snap% Move Log Copy%<br> lvol1 vg00 -wi-ao 200.00M<br> lvol2 vg00 -wi-ao 1.00G<br> lvol3 vg00 -wi-ao 644.00M
<br> lvol4 vg00 -wi-ao 400.00M<br> lvol5 vg00 -wi-ao 100.00M<br> lvol6 vg00 -wi-ao 1.00G<br> lvol7 vg00 mwi-a- 52.00M 46.15<br>dunco:~#<br><br>I ran lvconvert -dv -m 1 --corelog /dev/vg00/lvol1 /dev/hda2
<br> Checking for existing volume group "vg00"<br> Archiving volume group "vg00" metadata (seqno 40).<br> Creating logical volume lvol1_mimage_0<br> Creating logical volume lvol1_mimage_1<br>
Creating volume group backup "/etc/lvm/backup/vg00" (seqno 41).<br> Found volume group "vg00"<br> Found volume group "vg00"<br> Creating vg00-lvol1_mimage_0<br> Loading vg00-lvol1_mimage_0 table
<br> Resuming (253:7)<br> Creating vg00-lvol1_mimage_1<br> Loading vg00-lvol1_mimage_1 table<br> Resuming (253:8)<br> Loading vg00-lvol1 table<br> Suspending vg00-lvol1 (253:0)<br><br>And after that lvconvert hanging. I used strace and I found that command hanging on fsync
<br><br>...<br>write(2, "Suspending vg00-lvol1 (253:0)", 29Suspending vg00-lvol1 (253:0)) = 29<br>write(2, "\n", 1<br>) = 1<br>ioctl(3, DM_DEV_SUSPEND, 0x8116918) = 0<br>rename("/etc/lvm/metadata/vg00.tmp", "/etc/lvm/metadata/vg00") = 0
<br>stat64("/etc/lvm/metadata/vg00.tmp", 0xbf9f8464) = -1 ENOENT (No such file or directory)<br>open("/etc/lvm/metadata", O_RDONLY|O_LARGEFILE) = 7<br>fsync(7<br><br><br>I tried to create mirror on another lvols and I can do it.
<br><br>OS : Debian etch<br><br>Disk /dev/hda: 20.0 GB, 20020396032 bytes<br>255 heads, 63 sectors/track, 2434 cylinders<br>Units = cylinders of 16065 * 512 = 8225280 bytes<br><br> Device Boot Start End Blocks Id System
<br>/dev/hda1 1 8 64228+ fd Linux raid autodetect<br>/dev/hda2 9 2434 19486845 8e Linux LVM<br><br>Disk /dev/hdc: 30.0 GB, 30020272128 bytes<br>255 heads, 63 sectors/track, 3649 cylinders
<br>Units = cylinders of 16065 * 512 = 8225280 bytes<br><br> Device Boot Start End Blocks Id System<br>/dev/hdc1 * 1 7 56196 fd Linux raid autodetect<br>/dev/hdc2 8 3649 29254365 8e Linux LVM
<br><br><br>dunco:/usr/src/LVM2.2.02.17# lvdisplay --version<br> LVM version: 2.02.17 (2006-12-14)<br> Library version: 1.02.13 (2006-11-28)<br> Driver version: 4.7.0<br>dunco:/usr/src/LVM2.2.02.17#<br><br>Can you tell me where is problem?
<br>Thanks,<br>John<br>