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Hello, typically my kvm guest disk is /dev/sda1 /boot /dev/sda2 logical volume group inside sda2 are two LV partitions / swap Don't know if that answered your question. Remember that to enlarge a LV group, you need another device like /dev/sda3 to merge with that volume. ---------------------------------------------------- Charles T. Dillard 703 399 0876 ---------------------------------------------------- > Date: Mon, 15 Aug 2011 15:54:51 -0400 > From: byrnejb@xxxxxxxxxxxxx > To: centos-virt@xxxxxxxxxx > Subject: lvm and kvm > > I am performing some configuration testing on a kvm host. When > installing a guest operating system is it advisable to place each > instance in a separate lv or better to accept the default and store > them on the root file system? > > Respecting lvm, does one configure lvs in a virtual server to take > space from the main vg or does one allocate lv space from inside > that allocated to the virtual instance? Is it even considered > advisable to use lvs with virtual guests? > > To give an example, if I were to configure an smtp server on bare > metal I might use the following disk layout: > > vg_bare 500Gb > > / lv_root 8Gb > /boot lv_boot 1Gb > /tmp lv_tmp 8Gb > /var/log lv_log 8Gb > /var/spool/mail lv_mail 16Gb > > > In a kvm setup, if I wish to do this, would I first create an lv > just to host the virtual image and then assign lv s from the space > allocated to that image file? > > vg_bare 500Gb > > / lv_root 8Gb > /boot lv_boot 1Gb > /tmp lv_tmp 8Gb > /var/log lv_log 8G > > /var/lib/libvirt/images/lv_virt01 32Gb > /var/lib/libvirt/images/lv_virt02 32Gb > . . . > > and so forth? Or is it worth the bother to have lv s in a virtual > host? > > -- > *** E-Mail is NOT a SECURE channel *** > James B. Byrne mailto:ByrneJB@xxxxxxxxxxxxx > Harte & Lyne Limited http://www.harte-lyne.ca > 9 Brockley Drive vox: +1 905 561 1241 > Hamilton, Ontario fax: +1 905 561 0757 > Canada L8E 3C3 > > _______________________________________________ > CentOS-virt mailing list > CentOS-virt@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos-virt |
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