[linux-lvm] pvcreate problem
Bryn M. Reeves
breeves at redhat.com
Wed Feb 13 10:35:38 UTC 2008
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Yajith Ajantha Dayarathna | ????? ????? ??????? wrote:
> i will try the mapper device.
> yes, the partitioning scheme is quite inflexible.
> Does LVM use the same technique to get around this limitation ? I have
> seen devices getting created under /dev/mapper.
> Always thought its a part of LVM.
Yes, device-mapper is the kernel component that LVM2 uses to create
logical volumes so it can also support pretty much arbitrary numbers of
logical volumes (although LVs aren't normally partitioned unless you use
a tool like kpartx).
Device-mapper's also used by applications like multipath-tools, dmraid
and kpartx itself.
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