I'm sorry if I was unclear. But I'm not using writeback mode yet. The period of disk activity after reboots occurs with writethrough mode. > Hi > > Cache is always flushing it's content to disk - so if you have the > 'writeback' variant and there were some unwritten data which sits only > in cache, they are automatically pushed to origin (cached) device - > which is likely your disk activity. > > Zdenek _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/