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Enhance 'activation' experience for VDO pool to more closely match what happens for thin-pools where we do use a 'fake' LV to keep pool running even when no thinLVs are active. This gives user a choice whether he want to keep thin-pool running (wihout possibly lenghty activation/deactivation process) As we do plan to support multple VDO LVs to be mapped into a single VDO, we want to give user same experience and 'use-patter' as with thin-pools. This patch gives option to activate VDO pool only without activating VDO LV. Also due to 'fake' layering LV we can protect usage of VDO pool from command like 'mkfs' which do require exlusive access to the volume, which is no longer possible. Note: VDO pool contains 1024 initial sectors as 'empty' header - such header is also exposed in layered LV (as read-only LV). For blkid we are indentified as LV with UUID suffix - thus private DM device of lvm2 - so we do not need to store any extra info in this header space (aka zero is good enough).
This tree contains the LVM2 and device-mapper tools and libraries. This is development branch, for stable 2.02 release see 2018-06-01-stable branch. For more information about LVM2 read the changelog in the WHATS_NEW file. Installation instructions are in INSTALL. There is no warranty - see COPYING and COPYING.LIB. Tarballs are available from: ftp://sourceware.org/pub/lvm2/ ftp://sources.redhat.com/pub/lvm2/ https://github.com/lvmteam/lvm2/releases The source code is stored in git: https://sourceware.org/git/?p=lvm2.git git clone git://sourceware.org/git/lvm2.git mirrored to: https://github.com/lvmteam/lvm2 git clone https://github.com/lvmteam/lvm2.git git clone git@github.com:lvmteam/lvm2.git Mailing list for general discussion related to LVM2: linux-lvm@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/linux-lvm Mailing lists for LVM2 development, patches and commits: lvm-devel@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/lvm-devel lvm2-commits@lists.fedorahosted.org (Read-only archive of commits) Subscribe from https://fedorahosted.org/mailman/listinfo/lvm2-commits Mailing list for device-mapper development, including kernel patches and multipath-tools: dm-devel@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/dm-devel Website: https://sourceware.org/lvm2/ Report upstream bugs at: https://bugzilla.redhat.com/enter_bug.cgi?product=LVM%20and%20device-mapper or open issues at: https://github.com/lvmteam/lvm2/issues The source code repository used until 7th June 2012 is accessible here: http://sources.redhat.com/cgi-bin/cvsweb.cgi/LVM2/?cvsroot=lvm2.