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RAID is not like traditional LVM mirroring. LVM mirroring required failed devices to be removed or the logical volume would simply hang. RAID arrays can keep on running with failed devices. In fact, for RAID types other than RAID1, removing a device would mean substituting an error target or converting to a lower level RAID (e.g. RAID6 -> RAID5, or RAID4/5 to RAID0). Therefore, rather than removing a failed device unconditionally and potentially allocating a replacement, RAID allows the user to "replace" a device with a new one. This approach is a 1-step solution vs the current 2-step solution. example> lvconvert --replace <dev_to_remove> vg/lv [possible_replacement_PVs] '--replace' can be specified more than once. example> lvconvert --replace /dev/sdb1 --replace /dev/sdc1 vg/lv
This tree contains the LVM2 and device-mapper tools and libraries. 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://sources.redhat.com/pub/lvm2/ To access the CVS tree use: cvs -d :pserver:cvs@sources.redhat.com:/cvs/lvm2 login CVS password: cvs cvs -d :pserver:cvs@sources.redhat.com:/cvs/lvm2 co LVM2 Mailing list for general discussion related to LVM2: linux-lvm@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/linux-lvm Mailing list for LVM2 development, patches and commits: lvm-devel@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/linux-lvm 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