[[PageOutline]] * [http://www.usupi.org/sysad/166.html LVM のスナップショット機能を使ってみる - いますぐ実践! Linuxシステム管理 / Vol.166] * [http://www.atmarkit.co.jp/flinux/rensai/root06/root06a.html @IT:LVMによる自動バックアップ・システムの構築(1/3)] * [http://www.drbd.org/users-guide/ch-lvm.html Chapter 11. Using LVM with DRBD] * [http://www.drbd.jp/users-guide/ch-lvm.html 第11章 DRBDとLVMの使用] * [http://thinkit.co.jp/free/compare/5/9/ ThinkIT 第9回:バックアップにおけるスナップショットの活用 (1/3)] * [http://okkun-lab.rd.fukuoka-u.ac.jp/wiki/?Tips%2FLinux%2FLVM Tips/Linux/LVM - 福岡大学奥村研究室 - okkun-lab Pukiwiki!] = lvchange/vgchange -ay = * root@Knoppix:~# vgdisplay -v {{{ Finding all volume groups Finding volume group "vgnfs" --- Volume group --- VG Name vgnfs System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 2 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 1.94 GB PE Size 32.00 MB Total PE 62 Alloc PE / Size 48 / 1.50 GB Free PE / Size 14 / 448.00 MB VG UUID I6vVoh-6gCJ-9uvA-v2MV-Fyva-7J8v-Cvftfi --- Logical volume --- LV Name /dev/vgnfs/drbd VG Name vgnfs LV UUID dNxdNj-hZCZ-GMrC-woMk-0hA2-f3oR-sBsrHI LV Write Access read/write LV Status NOT available LV Size 1.50 GB Current LE 48 Segments 1 Allocation inherit Read ahead sectors 0 --- Physical volumes --- PV Name /dev/md0 PV UUID Z2JXRP-fa5g-SYS5-xzMs-Lq8C-1Jbh-QPKihr PV Status allocatable Total PE / Free PE 62 / 14 }}} * LV is "NOT available" * root@Knoppix:~# lvchange -ay /dev/vgnfs/drbd * root@Knoppix:~# vgchange -ay {{{ 1 logical volume(s) in volume group "vgnfs" now active }}} * root@Knoppix:~# vgdisplay -v {{{ Finding all volume groups Finding volume group "vgnfs" --- Volume group --- VG Name vgnfs System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 2 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 1.94 GB PE Size 32.00 MB Total PE 62 Alloc PE / Size 48 / 1.50 GB Free PE / Size 14 / 448.00 MB VG UUID I6vVoh-6gCJ-9uvA-v2MV-Fyva-7J8v-Cvftfi --- Logical volume --- LV Name /dev/vgnfs/drbd VG Name vgnfs LV UUID dNxdNj-hZCZ-GMrC-woMk-0hA2-f3oR-sBsrHI LV Write Access read/write LV Status available # open 0 LV Size 1.50 GB Current LE 48 Segments 1 Allocation inherit Read ahead sectors 0 Block device 254:0 --- Physical volumes --- PV Name /dev/md0 PV UUID Z2JXRP-fa5g-SYS5-xzMs-Lq8C-1Jbh-QPKihr PV Status allocatable Total PE / Free PE 62 / 14 }}}