Re: [zfs-discuss] question about uberblock blkptr

2007-10-09 Thread Matthew Ahrens
Max, Glad you figured out where your problem was. Compression does complicate things. Also, make sure you have the most recent (highest txg) uberblock. Just for the record, using MDB to print out ZFS data structures is totally sweet! We have actually been wanting to do that for about 5 years

Re: [zfs-discuss] question about uberblock blkptr

2007-09-20 Thread [EMAIL PROTECTED]
Hi Roch, Roch - PAE wrote: > [EMAIL PROTECTED] writes: > > Roch - PAE wrote: > > > [EMAIL PROTECTED] writes: > > > > Jim Mauro wrote: > > > > > > > > > > Hey Max - Check out the on-disk specification document at > > > > > http://opensolaris.org/os/community/zfs/docs/. > > > > > Ok. I

Re: [zfs-discuss] question about uberblock blkptr

2007-09-20 Thread Roch - PAE
[EMAIL PROTECTED] writes: > Roch - PAE wrote: > > [EMAIL PROTECTED] writes: > > > Jim Mauro wrote: > > > > > > > > Hey Max - Check out the on-disk specification document at > > > > http://opensolaris.org/os/community/zfs/docs/. > > > > > > > > Page 32 illustration shows the rootbp po

Re: [zfs-discuss] question about uberblock blkptr

2007-09-19 Thread [EMAIL PROTECTED]
Roch - PAE wrote: > [EMAIL PROTECTED] writes: > > Jim Mauro wrote: > > > > > > Hey Max - Check out the on-disk specification document at > > > http://opensolaris.org/os/community/zfs/docs/. > > > > > > Page 32 illustration shows the rootbp pointing to a dnode_phys_t > > > object (the first m

Re: [zfs-discuss] question about uberblock blkptr

2007-09-19 Thread Roch - PAE
[EMAIL PROTECTED] writes: > Jim Mauro wrote: > > > > Hey Max - Check out the on-disk specification document at > > http://opensolaris.org/os/community/zfs/docs/. > > > > Page 32 illustration shows the rootbp pointing to a dnode_phys_t > > object (the first member of a objset_phys_t data str

Re: [zfs-discuss] question about uberblock blkptr

2007-09-18 Thread [EMAIL PROTECTED]
Jim Mauro wrote: > > Hey Max - Check out the on-disk specification document at > http://opensolaris.org/os/community/zfs/docs/. > > Page 32 illustration shows the rootbp pointing to a dnode_phys_t > object (the first member of a objset_phys_t data structure). > > The source code indicates ub_rootbp

Re: [zfs-discuss] question about uberblock blkptr

2007-09-17 Thread [EMAIL PROTECTED]
Jim Mauro wrote: > > Hey Max - Check out the on-disk specification document at > http://opensolaris.org/os/community/zfs/docs/. > > Page 32 illustration shows the rootbp pointing to a dnode_phys_t > object (the first member of a objset_phys_t data structure). > > The source code indicates ub_rootbp

Re: [zfs-discuss] question about uberblock blkptr

2007-09-17 Thread Jim Mauro
Hey Max - Check out the on-disk specification document at http://opensolaris.org/os/community/zfs/docs/. Page 32 illustration shows the rootbp pointing to a dnode_phys_t object (the first member of a objset_phys_t data structure). The source code indicates ub_rootbp is a blkptr_t, which contains

[zfs-discuss] question about uberblock blkptr

2007-09-17 Thread [EMAIL PROTECTED]
Hi All, I have modified mdb so that I can examine data structures on disk using ::print. This works fine for disks containing ufs file systems. It also works for zfs file systems, but... I use the dva block number from the uberblock_t to print what is at the block on disk. The problem I am hav