Creating a snapshot logical volumeĪ snapshot logical volume is created using the -s option to lvcreate. Otherwise the system might end up with the snapshot being mounted instead of the (intended) original logical volume. Since the logical snapshot volume also gets the same filesystem LABEL and UUID, be sure the /etc/fstab file or initramfs does not contain entries for these filesystems using the LABEL= or UUID= syntax. The following example will build only an initramfs (not an entire kernel) and enable support for LVM. The static USE flag may also be enabled on the package sys-fs/lvm2 so that genkernel will use the system binaries (otherwise it will build its own private copy).
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