setting up Volume Groups after initial installation created on single volume group using all space

setting up Volume Groups after initial installation created on single volume group using all space, setting up Volume Groups after initial installation created on single volume group using all space (1 Replies, Read 4801 times)

bofh	# December 6, 2014, 11:25 pm
Group: Member Post Group: Newbie Posts: 1 Status:	Hi, First, apologies in advance for this post. I haven't used LVM in 7 years and seemingly forgot everything I knew since operating a fairly large xen cluster. I have a CentOS 6.4 box installed from scratch with the following setup: # df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg-root 450G 1.5G 426G 1% / tmpfs 464M 0 464M 0% /dev/shm /dev/cciss/c0d0p1 243M 74M 157M 33% /boot /dev/mapper/vg-tmp 976M 1.3M 908M 1% /tmp xenstore 464M 40K 464M 1% /var/lib/xenstored # fdisk -l Disk /dev/cciss/c0d0: 500.1 GB, 500074307584 bytes 255 heads, 32 sectors/track, 119694 cylinders Units = cylinders of 8160 * 512 = 4177920 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xbee3f084 Device Boot Start End Blocks Id System /dev/cciss/c0d0p1 * 1 63 256000 83 Linux Partition 1 does not end on cylinder boundary. /dev/cciss/c0d0p2 63 119695 488096768 8e Linux LVM Disk /dev/mapper/vg-root: 490.3 GB, 490297360384 bytes 255 heads, 63 sectors/track, 59608 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg-swap: 8422 MB, 8422162432 bytes 255 heads, 63 sectors/track, 1023 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg-tmp: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 I've installed Virtualizor for Xen and unfortunately only found after the install that the Volume group I specified in the installer must be empty/not mounted. Can anyone give me advice on how to resize this vg and add a new one for Xen/Virtualizor to use? Any help appreciated, thanks
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