On Apr 3, 2010, at 5:56 PM, Tim Cook wrote: > > On Sat, Apr 3, 2010 at 7:50 PM, Tim Cook <t...@cook.ms> wrote: >> Your experience is exactly why I suggested ZFS start doing some "right >> sizing" if you will. Chop off a bit from the end of any disk so that we're >> guaranteed to be able to replace drives from different manufacturers. The >> excuse being "no reason to, Sun drives are always of identical size". If >> your drives did indeed come from Sun, their response is clearly not true. >> Regardless, I guess I still think it should be done. Figure out what the >> greatest variation we've seen from drives that are supposedly of the exact >> same size, and chop it off the end of every disk. I'm betting it's no more >> than 1GB, and probably less than that. When we're talking about a 2TB >> drive, I'm willing to give up a gig to be guaranteed I won't have any issues >> when it comes time to swap it out. >> >> > that's what open solaris is doing more or less for some time now. > > look in the archives of this mailing list for more information. > -- > Robert Milkowski > http://milek.blogspot.com > > > > Since when? It isn't doing it on any of my drives, build 134, and judging by > the OP's issues, it isn't doing it for him either... I try to follow this > list fairly closely and I've never seen anyone at Sun/Oracle say they were > going to start doing it after I was shot down the first time. > > --Tim > > > Oh... and after 15 minutes of searching for everything from 'right-sizing' to > 'block reservation' to 'replacement disk smaller size fewer blocks' etc. etc. > I don't see a single thread on it.
CR 6844090, zfs should be able to mirror to a smaller disk http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6844090 b117, June 2009 -- richard ZFS storage and performance consulting at http://www.RichardElling.com ZFS training on deduplication, NexentaStor, and NAS performance Las Vegas, April 29-30, 2010 http://nexenta-vegas.eventbrite.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
