[zfs-code] Cannot Mirror RPOOL - EFI labels :-(

2009-04-13 Thread Michael Widmann
Hi I'm sitting here for hours now and tried to mirror my rpool. nothing worked. I have 2008.11 installed when I try zpool attach rpool c4t0d0s0 c4t1d0s0 I get - cannot open /dev/dsk/c4t1d0s0: I/O error if i try zpool attach rpool c4t0d0 c4t1d0 I get c4t1d0 EFI labeled devices are

[zfs-code] Cannot Mirror RPOOL - EFI labels :-(

2009-04-13 Thread Richard Elling
Michael Widmann wrote: > Hi > > I'm sitting here for hours now and tried to mirror my rpool. nothing worked. > > I have 2008.11 installed > > when I try > > zpool attach rpool c4t0d0s0 c4t1d0s0 > > I get - cannot open /dev/dsk/c4t1d0s0: I/O error > > if i try > zpool attach rpool c4t0d0 c

[zfs-code] Cannot Mirror RPOOL - EFI labels :-(

2009-04-13 Thread Lori Alt
On 04/13/09 12:53, Michael Widmann wrote: > Hi > > I'm sitting here for hours now and tried to mirror my rpool. nothing worked. > > I have 2008.11 installed > > when I try > > zpool attach rpool c4t0d0s0 c4t1d0s0 > > I get - cannot open /dev/dsk/c4t1d0s0: I/O error > make sure that thi

[zfs-code] fletcher2/4 implementations fundamentally flawed

2009-04-13 Thread Jonathan Adams
On Tue, Mar 31, 2009 at 09:07:31AM -0700, paul wrote: > Nice. > > As a minor thought with respect to naming conventions, as most > aren't likely to bother attempting to understand the relative merits > of available checksum implementations, I can't help but wonder > if the naming conventions shoul

[zfs-code] fletcher2/4 implementations fundamentally flawed

2009-04-13 Thread paul
Nice analysis. I understand you've found on the processor/memory-subsystem architecture you've experimented with, that if the data being summed isn't already cached, it's access will likely dominate it's use in calculations: - Although this makes sense (presuming no mechanism may used to pre-cac