> What do you mean by weekly snapshots? > If you mean old-style snapshots not thin-ones, many snapshots with single > origin LV then how many snapshots are you keeping around? I meant, running lvcreate ---snapshot, copying the data with dd or pv and then removing the snapshot. > If you have N snapshots up to (N+1)*chunksize is written for every write. It is only one snapshot. A fresh one is created and after use, it's removed. > Also if this setup is used on HDDs the seektime may be relevant as well. > Old style snapshots were not meant for long term use and should be used > while snapshot is copied over to permanent location. Makes sense. But the snapshots exist no more than just few hours for every LV. > You may be better off using thin-snapshots. Otherwise the solution is > dumping old snapshots or moving over to tape, whatever, just do not keep > more of them. Sounds like not much of an option since I don't have thin pools. Haven't had much success with them. _______________________________________________ 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/
