kvm_grow_pv
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~~TOC~~
KVM grow PV
- Current partition table:
# fdisk -l /dev/sda Disk /dev/sda: 2000.3 GB, 2000341917696 bytes, 3906917808 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 262144 bytes / 524288 bytes Disk label type: dos Disk identifier: 0x000b9cd2 Device Boot Start End Blocks Id System /dev/sda1 * 2048 1026047 512000 83 Linux /dev/sda2 1026048 592416767 295695360 8e Linux LVM
- Remove /dev/sda2 partition and create a new bigger one:
# fdisk /dev/sda Welcome to fdisk (util-linux 2.23.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help): d Partition number (1,2, default 2): 2 Partition 2 is deleted Command (m for help): n Partition type: p primary (1 primary, 0 extended, 3 free) e extended Select (default p): p Partition number (2-4, default 2): 2 First sector (1026048-3906917807, default 1026048): Using default value 1026048 Last sector, +sectors or +size{K,M,G} (1026048-3906917807, default 3906917807): +512G Partition 2 of type Linux and of size 512 GiB is set Command (m for help): p Disk /dev/sda: 2000.3 GB, 2000341917696 bytes, 3906917808 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 262144 bytes / 524288 bytes Disk label type: dos Disk identifier: 0x000b9cd2 Device Boot Start End Blocks Id System /dev/sda1 * 2048 1026047 512000 83 Linux /dev/sda2 1026048 1074767871 536870912 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. WARNING: Re-reading the partition table failed with error 16: Device or resource busy. The kernel still uses the old table. The new table will be used at the next reboot or after you run partprobe(8) or kpartx(8) Syncing disks.
kvm_grow_pv.1434697175.txt.gz · Last modified: 2015/06/19 06:59 by admin