On 21.07.20 14:58, Aaron Lauterer wrote: > This new section explains the performance and failure properties of > mirror and RAIDZ VDEVs as well as the "unexpected" higher space usage by > ZVOLs on a RAIDZ. > > Signed-off-by: Aaron Lauterer <[email protected]> > --- > > draft->v1: > * incorporate Stoikos suggestions [0] > * went with lower case vdev as this is the way it is used in the zpool > manpage > * used N-P(arity) in the RAIDZ sizing part > * added a short explanation of vdevs at the beginning and mention the > zpool manpage > > > This is a first version to explain the performance characteristics of the > different RAID levels / vdev types, as well as their failure behavior. > > Additionally it explains the situation why a VM disk (ZVOL) can end up > using quite a bit more space than expected when placed on a pool made of > RAIDZ VDEVs. > > The motivation behind this is, that in the recent past, these things > came up quite a bit. Thus it would be nice to have some documentation > that we can link to and having it in the docs might help users to make > an informed decision from the start. > > I hope I did not mess up any technical details and that it is > understandable enough. > > [0] https://lists.proxmox.com/pipermail/pve-devel/2020-July/044453.html > > local-zfs.adoc | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 95 insertions(+) > >
applied, thanks! _______________________________________________ pve-devel mailing list [email protected] https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
