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Commit 02f6f4902fd90709f55e2e97e969ee28c2945c81 introduced a bug that caused RAID devices to fail to activate if the device for a single sub-LV failed. The special case of LVM mirror was handled, but not LVM RAID. EXAMPLE: [root@bp-01 ~]# devices vg LV Copy% Devices lv 100.00 lv_rimage_0(0),lv_rimage_1(0) [lv_rimage_0] /dev/sde1(1) [lv_rimage_1] /dev/sdh1(1) [lv_rmeta_0] /dev/sde1(0) [lv_rmeta_1] /dev/sdh1(0) [root@bp-01 ~]# vgchange -an vg 0 logical volume(s) in volume group "vg" now active [root@bp-01 ~]# off.sh sdh Turning off sdh [root@bp-01 ~]# vgchange -ay vg --partial Partial mode. Incomplete logical volumes will be processed. Couldn't find device with uuid fbI0YO-GX7x-firU-Vy5o-vzwx-vAKZ-feRxfF. Cannot activate vg/lv_rimage_1: all segments missing. 0 logical volume(s) in volume group "vg" now active AFTER this patch: [root@bp-01 ~]# vgchange -ay vg --partial Partial mode. Incomplete logical volumes will be processed. Couldn't find device with uuid fbI0YO-GX7x-firU-Vy5o-vzwx-vAKZ-feRxfF. 1 logical volume(s) in volume group "vg" now active [root@bp-01 ~]# devices vg Couldn't find device with uuid fbI0YO-GX7x-firU-Vy5o-vzwx-vAKZ-feRxfF. LV Copy% Devices lv 100.00 lv_rimage_0(0),lv_rimage_1(0) [lv_rimage_0] /dev/sde1(1) [lv_rimage_1] unknown device(1) [lv_rmeta_0] /dev/sde1(0) [lv_rmeta_1] unknown device(0) [root@bp-01 ~]# dmsetup table vg-lv; dmsetup status vg-lv 0 1024000 raid raid1 3 0 region_size 1024 2 253:2 253:3 - - 0 1024000 raid raid1 2 AD 1024000/1024000 No WHATSNEW update necessary because this is an intrarelease fix. brassow
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