Re: [zfs-discuss] zvol used apparently greater than volsize for sparse volume

2009-10-21 Thread Cindy Swearingen
Hi Stuart, I ran various forms of the zdb command to see if I could glean the metadata accounting stuff but it is beyond my mere mortal skills. Maybe someone else can provide the right syntax. Cindy On 10/20/09 10:17, Stuart Anderson wrote: Cindy, Thanks for the pointer. Until this is re

Re: [zfs-discuss] zvol used apparently greater than volsize for sparse volume

2009-10-20 Thread Stuart Anderson
Cindy, Thanks for the pointer. Until this is resolved, is there some documentation available that will let me calculate this by hand? I would like to know how large the current 3-4% meta data storage I am observing can potentially grow. Thanks. On Oct 20, 2009, at 8:57 AM, Cindy Swearinge

Re: [zfs-discuss] zvol used apparently greater than volsize for sparse volume

2009-10-20 Thread Cindy Swearingen
Hi Stuart, The reason why "used" is larger than the volsize is because we aren't accounting for metadata, which is covered by this CR: http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6429996 6429996 zvols don't reserve enough space for requisite meta data Metadata is usually only a s

[zfs-discuss] zvol used apparently greater than volsize for sparse volume

2009-10-17 Thread Stuart Anderson
What does it mean for the reported value of a zvol volsize to be less than the product of used and compressratio? For example, # zfs get -p all home1/home1mm01 NAME PROPERTY VALUE SOURCE home1/home1mm01 type volume - home1/home1m