Re: [zfs-discuss] Convert pool from ashift=12 to ashift=9

2012-03-20 Thread Nathan Kroenert
Jim Klimov wrote: >> It is is hard enough already to justify to an average wife that... That made my night. Thanks, Jim. :) On 03/20/12 10:29 PM, Jim Klimov wrote: 2012-03-18 23:47, Richard Elling wrote: ... Yes, it is wrong to think that. Ok, thanks, we won't try that :) copy out, co

Re: [zfs-discuss] Convert pool from ashift=12 to ashift=9

2012-03-20 Thread Jim Klimov
2012-03-18 23:47, Richard Elling wrote: ... Yes, it is wrong to think that. Ok, thanks, we won't try that :) copy out, copy in. Whether this is easy or not depends on how well you plan your storage use ... Home users and personal budgets do tend to have a problem with planning. Any mistake

Re: [zfs-discuss] Convert pool from ashift=12 to ashift=9

2012-03-19 Thread Richard Elling
On Mar 18, 2012, at 11:16 AM, Jim Klimov wrote: > Hello all, > > I was asked if it is possible to convert a ZFS pool created > explicitly with ashift=12 (via the tweaked binary) and filled > with data back into ashift=9 so as to use the slack space > from small blocks (BP's, file tails, etc.) co

[zfs-discuss] Convert pool from ashift=12 to ashift=9

2012-03-18 Thread Jim Klimov
Hello all, I was asked if it is possible to convert a ZFS pool created explicitly with ashift=12 (via the tweaked binary) and filled with data back into ashift=9 so as to use the slack space from small blocks (BP's, file tails, etc.) The user's HDD marketing text says that it "efficiently" emula