Got the right doc,
the log device MUST belong to the VG, it cannot be an external device, it is specified as thrid device vhen creating the LV:
lvcreate -m1 --mirrorlog disk -L 9G -n lvolvm1 VMVG /dev/firstleg /dev/secondleg /dev/log...
2009/9/18, brem belguebli <brem.belguebli@gmail.com>:
Running x86_64 RHEL 5u4
2009/9/18, brem belguebli <brem.belguebli@gmail.com>:Hi,I've been struggling with lvcreate for more than a hour to create a mirror'ed LV with on disk log, with no success (I'm ashamed! :-| )Here's what I typed on a VG (with 2 X 8678 4MB extents free), it's not a free space issue...lvcreate -m1 --mirrorlog disk -L 9G -n lvolvm1 VMVG, it complains about 2304 more extents required (wich make the exact size of the LV I want to create), plus where to define the log device to use ?same command whith --corelog (instead of --mirrorlog disk) succeeds.Same command without any of these 2 options fails with the same complain as the first (man page says that default no option == mirrolog disk).Any tip ?Regards
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