[linux-lvm] LVM roadmap info

Fred van Zwieten fvzwieten at vxcompany.com
Mon Jul 16 18:02:14 UTC 2012

Hi there,

Not sure is this is the right mailing list (maybe the DM mailinglist is
better for this), but here goes:

I want to know if there is some roadmap info somewhere on LVM / DM. I see
new features like thin provisioning and a new snapshot mechanism popping
up. Wonderful stuff and it makes me wonder what else is in the pipeline? I
especially wonder what is the status on the following functionalities:

1. Replication. There is DRBD and ELVM, but there are some references on
the Net on Device Mapper Remote Replication Target from Heinz Mauelshagen,
with cool features like fan-out and cascading replication.
2. Block level deduplication (inline and/or post process)
3. HSM functionality, of auto tiering between devices
4. Caching (where ie a SSD or RAMFS device can work as a black level cache
for ie a SATA device)

Is it planned to have thee kind of features LVM / DM or is this passed on
to the filesystem level (hope not)?

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