Peter,

I ran truss from the client side. Below is what I am getting.
What strikes me as odd that the client does a stat(64) call on the remote.
He cannot find NFS-SERVER:/backup volume at all. Just before that
You get the IOCTL error just before that for the same reason.

Keep in mind when I use anon=0 setting from the NFS server. I do not
See this issue. The only thing is maybe 2 patches that may correct this.

Again: NFS-SERVER Solaris 10 U7 and NFS-CLIENT: Solaris 9 U7

I'll try installing 2 patches I see missing for the NFS and see if that will 
correct 
this issue.

root[...@nfs-client# truss -v all mount -F nfs NFS-SERVER:/backup /mnt 
execve("/usr/sbin/mount", 0xFFBFFD2C, 0xFFBFFD44)  argc = 5 
resolvepath("/usr/lib/ld.so.1", "/usr/lib/ld.so.1", 1023) = 16 
resolvepath("/usr/sbin/mount", "/usr/sbin/mount", 1023) = 15
stat("/usr/sbin/mount", 0xFFBFFB00)             = 0
    d=0x01540000 i=1562  m=0100555 l=1  u=0     g=2     sz=27448
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Oct 15 12:36:57 PDT 2002  [ 1034710617 ]
        ct = Aug 14 11:48:50 PDT 2005  [ 1124045330 ]
    bsz=8192  blks=54    fs=ufs
open("/var/ld/ld.config", O_RDONLY)             Err#2 ENOENT
stat("/usr/lib/libcmd.so.1", 0xFFBFF608)        = 0
    d=0x01540000 i=2791  m=0100755 l=1  u=0     g=2     sz=22920
        at = Aug 19 10:01:45 PDT 2010  [ 1282237305 ]
        mt = Apr  6 12:47:04 PST 2002  [ 1018126024 ]
        ct = Aug 14 11:50:14 PDT 2005  [ 1124045414 ]
    bsz=8192  blks=46    fs=ufs
resolvepath("/usr/lib/libcmd.so.1", "/usr/lib/libcmd.so.1", 1023) = 20
open("/usr/lib/libcmd.so.1", O_RDONLY)          = 3
mmap(0x00010000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_ALIGN, 3, 0) = 
0xFF3A0000 mmap(0x00010000, 90112, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF380000 
mmap(0xFF380000, 10440, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF380000 mmap(0xFF394000, 1131, PROT_READ|PROT_WRITE|PROT_EXEC, 
MAP_PRIVATE|MAP_FIXED, 3, 16384) = 0xFF394000
munmap(0xFF384000, 65536)                       = 0
memcntl(0xFF380000, 3720, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
close(3)                                        = 0
stat("/usr/lib/libc.so.1", 0xFFBFF608)          = 0
    d=0x01540000 i=3811  m=0100755 l=1  u=0     g=2     sz=867448
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Mar  6 13:44:23 PST 2006  [ 1141681463 ]
        ct = May 19 15:06:59 PDT 2006  [ 1148076419 ]
    bsz=8192  blks=1712  fs=ufs
resolvepath("/usr/lib/libc.so.1", "/usr/lib/libc.so.1", 1023) = 18
open("/usr/lib/libc.so.1", O_RDONLY)            = 3
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00010000, 802816, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF280000 
mmap(0xFF280000, 702900, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF280000 mmap(0xFF33C000, 24688, PROT_READ|PROT_WRITE|PROT_EXEC, 
MAP_PRIVATE|MAP_FIXED, 3, 704512) = 0xFF33C000
munmap(0xFF32C000, 65536)                       = 0
memcntl(0xFF280000, 117444, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
close(3)                                        = 0
stat("/usr/lib/libdl.so.1", 0xFFBFF608)         = 0
    d=0x01540000 i=2771  m=0100755 l=1  u=0     g=2     sz=3984
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Oct 30 22:51:47 PST 2005  [ 1130741507 ]
        ct = May 19 15:24:40 PDT 2006  [ 1148077480 ]
    bsz=8192  blks=8     fs=ufs
resolvepath("/usr/lib/libdl.so.1", "/usr/lib/libdl.so.1", 1023) = 19
open("/usr/lib/libdl.so.1", O_RDONLY)           = 3
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00002000, 8192, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF3FA000 
mmap(0xFF3FA000, 1894, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 
3, 0) = 0xFF3FA000
close(3)                                        = 0
stat("/usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1", 0xFFBFF318) = 0
    d=0x01540000 i=3240  m=0100755 l=1  u=0     g=2     sz=16768
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Apr  6 14:27:58 PST 2002  [ 1018132078 ]
        ct = Aug 14 11:50:23 PDT 2005  [ 1124045423 ]
    bsz=8192  blks=34    fs=ufs
resolvepath("/usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1", 
"/usr/platform/sun4u/lib/libc_psr.so.1", 1023) = 37 
open("/usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1", O_RDONLY) = 3 
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00002000, 16384, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF3E6000 
mmap(0xFF3E6000, 13544, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3E6000 mmap(0x00000000, 8192, PROT_READ|PROT_WRITE|PROT_EXEC, 
MAP_PRIVATE|MAP_ANON, -1, 0) = 0xFF370000
close(3)                                        = 0
munmap(0xFF3A0000, 8192)                        = 0
getustack(0xFFBFF944)
getrlimit(RLIMIT_STACK, 0xFFBFF93C)             = 0
        cur = 8388608  max = RLIM_INFINITY
getcontext(0xFFBFF778)
setustack(0xFF343A74)
brk(0x000271B0)                                 = 0
brk(0x000291B0)                                 = 0
getuid()                                        = 0 [0]
open("/etc/vfstab", O_RDONLY)                   = 3
llseek(3, 0, SEEK_CUR)                          = 0
fstat64(3, 0xFFBFF8A0)                          = 0
    d=0x01540000 i=2876  m=0100644 l=1  u=0     g=3     sz=597
        at = Aug 19 10:01:45 PDT 2010  [ 1282237305 ]
        mt = Jun 28 15:20:57 PDT 2006  [ 1151533257 ]
        ct = Jun 28 15:20:57 PDT 2006  [ 1151533257 ]
    bsz=8192  blks=2     fs=ufs
brk(0x000291B0)                                 = 0
brk(0x0002B1B0)                                 = 0
fstat64(3, 0xFFBFF748)                          = 0
    d=0x01540000 i=2876  m=0100644 l=1  u=0     g=3     sz=597
        at = Aug 19 10:01:45 PDT 2010  [ 1282237305 ]
        mt = Jun 28 15:20:57 PDT 2006  [ 1151533257 ]
        ct = Jun 28 15:20:57 PDT 2006  [ 1151533257 ]
    bsz=8192  blks=2     fs=ufs
ioctl(3, TCGETA, 0xFFBFF82C)                    Err#25 ENOTTY
read(3, " # d e v i c e\t\t d e v".., 8192)     = 597
read(3, 0x000283D4, 8192)                       = 0
llseek(3, 0, SEEK_SET)                          = 0
stat64("eudb5:/backup", 0xFFBFFAC0)             Err#2 ENOENT
read(3, " # d e v i c e\t\t d e v".., 8192)     = 597
read(3, 0x000283D4, 8192)                       = 0
llseek(3, 0, SEEK_CUR)                          = 597
close(3)                                        = 0
stat64("/mnt", 0xFFBFFAC0)                      = 0
    d=0x01540000 i=2293  m=0040755 l=2  u=0     g=3     sz=512
        at = Mar 13 13:23:03 PDT 2008  [ 1205439783 ]
        mt = Aug 14 11:49:27 PDT 2005  [ 1124045367 ]
        ct = Aug 14 11:49:27 PDT 2005  [ 1124045367 ]
    bsz=8192  blks=2     fs=ufs
resolvepath("/mnt", "/mnt", 1024)               = 4
access("/usr/lib/fs/nfs/mount", 0)              = 0
execve("/usr/lib/fs/nfs/mount", 0xFFBFFC8C, 0xFFBFFD44)  argc = 3 
resolvepath("/usr/lib/ld.so.1", "/usr/lib/ld.so.1", 1023) = 16 
resolvepath("/usr/lib/fs/nfs/mount", "/usr/lib/fs/nfs/mount", 1023) = 21
stat("/usr/lib/fs/nfs/mount", 0xFFBFFB08)       = 0
    d=0x01540000 i=36807 m=0100555 l=1  u=0     g=2     sz=44884
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Mar 27 13:19:42 PST 2006  [ 1143494382 ]
        ct = May 19 16:06:14 PDT 2006  [ 1148079974 ]
    bsz=8192  blks=88    fs=ufs
open("/var/ld/ld.config", O_RDONLY)             Err#2 ENOENT
stat("/usr/lib/librpcsvc.so.1", 0xFFBFF610)     = 0
    d=0x01540000 i=2845  m=0100755 l=1  u=0     g=2     sz=33000
        at = Aug 19 10:01:45 PDT 2010  [ 1282237305 ]
        mt = Apr  6 12:50:56 PST 2002  [ 1018126256 ]
        ct = Aug 14 11:50:17 PDT 2005  [ 1124045417 ]
    bsz=8192  blks=66    fs=ufs
resolvepath("/usr/lib/librpcsvc.so.1", "/usr/lib/librpcsvc.so.1", 1023) = 23
open("/usr/lib/librpcsvc.so.1", O_RDONLY)       = 3
mmap(0x00010000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_ALIGN, 3, 0) = 
0xFF3A0000 mmap(0x00010000, 98304, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF380000 
mmap(0xFF380000, 21746, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF380000 mmap(0xFF396000, 1312, PROT_READ|PROT_WRITE|PROT_EXEC, 
MAP_PRIVATE|MAP_FIXED, 3, 24576) = 0xFF396000
munmap(0xFF386000, 65536)                       = 0
memcntl(0xFF380000, 7460, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
close(3)                                        = 0
stat("/usr/lib/libnsl.so.1", 0xFFBFF610)        = 0
    d=0x01540000 i=4102  m=0100755 l=1  u=0     g=2     sz=744244
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Mar  9 16:11:51 PST 2006  [ 1141949511 ]
        ct = May 19 15:13:19 PDT 2006  [ 1148076799 ]
    bsz=8192  blks=1472  fs=ufs
resolvepath("/usr/lib/libnsl.so.1", "/usr/lib/libnsl.so.1", 1023) = 20
open("/usr/lib/libnsl.so.1", O_RDONLY)          = 3
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00010000, 712704, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF280000 
mmap(0xFF280000, 579982, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF280000 mmap(0xFF31E000, 32804, PROT_READ|PROT_WRITE|PROT_EXEC, 
MAP_PRIVATE|MAP_FIXED, 3, 581632) = 0xFF31E000 mmap(0xFF328000, 22816, 
PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANON, -1, 0) = 
0xFF328000
munmap(0xFF30E000, 65536)                       = 0
memcntl(0xFF280000, 82424, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
close(3)                                        = 0
stat("/usr/lib/libsocket.so.1", 0xFFBFF610)     = 0
    d=0x01540000 i=2854  m=0100755 l=1  u=0     g=2     sz=58504
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Apr  6 12:51:42 PST 2002  [ 1018126302 ]
        ct = Aug 14 11:50:17 PDT 2005  [ 1124045417 ]
    bsz=8192  blks=116   fs=ufs
resolvepath("/usr/lib/libsocket.so.1", "/usr/lib/libsocket.so.1", 1023) = 23
open("/usr/lib/libsocket.so.1", O_RDONLY)       = 3
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00010000, 114688, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF360000 
mmap(0xFF360000, 39550, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF360000 mmap(0xFF37A000, 4333, PROT_READ|PROT_WRITE|PROT_EXEC, 
MAP_PRIVATE|MAP_FIXED, 3, 40960) = 0xFF37A000
munmap(0xFF36A000, 65536)                       = 0
memcntl(0xFF360000, 13792, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
close(3)                                        = 0
stat("/usr/lib/libc.so.1", 0xFFBFF610)          = 0
    d=0x01540000 i=3811  m=0100755 l=1  u=0     g=2     sz=867448
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Mar  6 13:44:23 PST 2006  [ 1141681463 ]
        ct = May 19 15:06:59 PDT 2006  [ 1148076419 ]
    bsz=8192  blks=1712  fs=ufs
resolvepath("/usr/lib/libc.so.1", "/usr/lib/libc.so.1", 1023) = 18
open("/usr/lib/libc.so.1", O_RDONLY)            = 3
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00010000, 802816, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF180000 
mmap(0xFF180000, 702900, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF180000 mmap(0xFF23C000, 24688, PROT_READ|PROT_WRITE|PROT_EXEC, 
MAP_PRIVATE|MAP_FIXED, 3, 704512) = 0xFF23C000
munmap(0xFF22C000, 65536)                       = 0
mmap(0x00000000, 8192, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, 
-1, 0) = 0xFF350000 memcntl(0xFF180000, 117444, MC_ADVISE, MADV_WILLNEED, 0, 0) 
= 0
close(3)                                        = 0
stat("/usr/lib/libdl.so.1", 0xFFBFF610)         = 0
    d=0x01540000 i=2771  m=0100755 l=1  u=0     g=2     sz=3984
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Oct 30 22:51:47 PST 2005  [ 1130741507 ]
        ct = May 19 15:24:40 PDT 2006  [ 1148077480 ]
    bsz=8192  blks=8     fs=ufs
resolvepath("/usr/lib/libdl.so.1", "/usr/lib/libdl.so.1", 1023) = 19
open("/usr/lib/libdl.so.1", O_RDONLY)           = 3
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00002000, 8192, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF3FA000 
mmap(0xFF3FA000, 1894, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 
3, 0) = 0xFF3FA000
close(3)                                        = 0
stat("/usr/lib/libmp.so.2", 0xFFBFF610)         = 0
    d=0x01540000 i=2830  m=0100755 l=1  u=0     g=2     sz=21676
        at = Aug 19 10:01:45 PDT 2010  [ 1282237305 ]
        mt = Apr  6 12:46:32 PST 2002  [ 1018125992 ]
        ct = Aug 14 11:50:16 PDT 2005  [ 1124045416 ]
    bsz=8192  blks=44    fs=ufs
resolvepath("/usr/lib/libmp.so.2", "/usr/lib/libmp.so.2", 1023) = 19
open("/usr/lib/libmp.so.2", O_RDONLY)           = 3
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00010000, 90112, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF260000 
mmap(0xFF260000, 10804, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF260000 mmap(0xFF274000, 849, PROT_READ|PROT_WRITE|PROT_EXEC, 
MAP_PRIVATE|MAP_FIXED, 3, 16384) = 0xFF274000
munmap(0xFF264000, 65536)                       = 0
memcntl(0xFF260000, 2464, MC_ADVISE, MADV_WILLNEED, 0, 0) = 0
close(3)                                        = 0
stat("/usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1", 0xFFBFF320) = 0
    d=0x01540000 i=3240  m=0100755 l=1  u=0     g=2     sz=16768
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Apr  6 14:27:58 PST 2002  [ 1018132078 ]
        ct = Aug 14 11:50:23 PDT 2005  [ 1124045423 ]
    bsz=8192  blks=34    fs=ufs
resolvepath("/usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1", 
"/usr/platform/sun4u/lib/libc_psr.so.1", 1023) = 37 
open("/usr/platform/SUNW,Ultra-80/lib/libc_psr.so.1", O_RDONLY) = 3 
mmap(0xFF3A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3A0000 mmap(0x00002000, 16384, PROT_NONE, 
MAP_PRIVATE|MAP_NORESERVE|MAP_ANON|MAP_ALIGN, -1, 0) = 0xFF3E6000 
mmap(0xFF3E6000, 13544, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 
0xFF3E6000
close(3)                                        = 0
munmap(0xFF3A0000, 8192)                        = 0
getustack(0xFFBFF94C)
getrlimit(RLIMIT_STACK, 0xFFBFF944)             = 0
        cur = 8388608  max = RLIM_INFINITY
getcontext(0xFFBFF780)
setustack(0xFF243A74)
brk(0x0002AFF0)                                 = 0
brk(0x0002CFF0)                                 = 0
getuid()                                        = 0 [0]
open("/etc/netconfig", O_RDONLY|O_LARGEFILE)    = 3
fcntl(3, F_DUPFD, 0x00000100)                   Err#22 EINVAL
read(3, " # p r a g m a   i d e n".., 1024)     = 1024
read(3, " t s           t p i _ c".., 1024)     = 215
read(3, 0x0002C278, 1024)                       = 0
lseek(3, 0, SEEK_SET)                           = 0
read(3, " # p r a g m a   i d e n".., 1024)     = 1024
read(3, " t s           t p i _ c".., 1024)     = 215
read(3, 0x0002C278, 1024)                       = 0
close(3)                                        = 0
open("/dev/udp", O_RDONLY)                      = 3
ioctl(3, 0xC00C6982, 0xFFBFF504)                = 0
close(3)                                        = 0
brk(0x0002CFF0)                                 = 0
brk(0x0002EFF0)                                 = 0
open64("/var/run/name_service_door", O_RDONLY)  = 3
fcntl(3, F_SETFD, 0x00000001)                   = 0
door_info(3, 0xFF242740)                        = 0
        target=374 proc=0x13BA0 data=0xDEADBEEE
        attributes=DOOR_UNREF
        uniquifier=13
door_call(3, 0xFFBFD210)                        = 0
        data_ptr=FFBFD2D8 data_size=64
        desc_ptr=0x0 desc_num=0
        rbuf=0xFFBFD2D8 rsize=8192
door_info(3, 0xFFBFD228)                        = 0
        target=374 proc=0x13BA0 data=0xDEADBEEE
        attributes=DOOR_UNREF
        uniquifier=13
door_call(3, 0xFFBFD210)                        = 0
        data_ptr=FFBFD2D8 data_size=107
        desc_ptr=0x0 desc_num=0
        rbuf=0xFFBFD2D8 rsize=8192
open("/dev/udp", O_RDWR)                        = 4
ioctl(4, I_FIND, "timod")                       = 0
ioctl(4, I_PUSH, "timod")                       = 0
sigfillset(0xFF242AC0)                          = 0
        sigmask = 0xFFFFFFFF 0x00003FFF 0 0 sigprocmask(SIG_SETMASK, 
0xFFBFF37C, 0xFFBFF36C) = 0
         set = 0xFFFFFFFF 0x00003FFF 0 0
        oset = 0 0 0 0
ioctl(4, I_STR, 0xFFBFF1F0)                     = 0
        cmd=TI_CAPABILITY timout=-1 len=56 dp=0xFFBFF288
fstat(4, 0xFFBFF178)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
ioctl(4, I_STR, 0xFFBFF1F0)                     = 0
        cmd=(('T'<<8)|148) timout=-1 len=52 dp=0xFFBFF288 
sigprocmask(SIG_SETMASK, 0xFFBFF36C, 0x00000000) = 0
         set = 0 0 0 0
ioctl(4, I_FLUSH, FLUSHRW)                      = 0
fstat(4, 0xFFBFF1E0)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
sigprocmask(SIG_SETMASK, 0xFFBFF380, 0xFFBFF370) = 0
         set = 0xFFFFFFFF 0x00003FFF 0 0
        oset = 0 0 0 0
ioctl(4, I_STR, 0xFFBFF2E8)                     = 0
        cmd=TI_BIND timout=-1 len=32 dp=0x0002C980 sigprocmask(SIG_SETMASK, 
0xFFBFF370, 0x00000000) = 0
         set = 0 0 0 0
brk(0x0002EFF0)                                 = 0
brk(0x0003CFF0)                                 = 0
fstat(4, 0xFFBFF108)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
ioctl(4, I_STR, 0xFFBFF210)                     = 0
        cmd=TI_GETINFO timout=-1 len=44 dp=0x0002C980
fstat(4, 0xFFBFF008)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
sigprocmask(SIG_SETMASK, 0xFFBFF1A8, 0xFFBFF198) = 0
         set = 0xFFFFFFFF 0x00003FFF 0 0
        oset = 0 0 0 0
ioctl(4, I_STR, 0xFFBFF110)                     = 0
        cmd=TI_OPTMGMT timout=-1 len=32 dp=0x0002C980 sigprocmask(SIG_SETMASK, 
0xFFBFF198, 0x00000000) = 0
         set = 0 0 0 0
brk(0x0003CFF0)                                 = 0
brk(0x0005CFF0)                                 = 0
getpid()                                        = 18131 [18130]
fstat(4, 0xFFBFF0E0)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
ioctl(4, I_STR, 0xFFBFF25C)                     = 0
        cmd=TI_GETINFO timout=-1 len=44 dp=0xFFBFF26C
time()                                          = 1282237320
fstat(4, 0xFFBFF198)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
putmsg(4, 0xFFBFF334, 0xFFBFF454, 0)            = 0
        ctl:  maxlen=1664 len=36   buf=0x0002C980: "\0\0\0\b\0\0\010"..
        dat:  maxlen=0    len=56   buf=0x0004B708: " L aCC18\0\0\0\0"..
poll(0x0003B71C, 1, 15000)                      = 1
        fd=4  ev=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND rev=POLLIN|POLLRDNORM
fstat(4, 0xFFBFF190)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
getmsg(4, 0xFFBFF330, 0x0002C280, 0xFFBFF35C)   = 0
        ctl:  maxlen=1664 len=36   buf=0x0002C980: "\0\0\014\0\0\010"..
        dat:  maxlen=65508 len=28   buf=0x0003B724: " L aCC18\0\0\001"..
        flags:  0x0000
fstat(4, 0xFFBFF368)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
putmsg(4, 0xFFBFF504, 0xFFBFF624, 0)            = 0
        ctl:  maxlen=1664 len=36   buf=0x0002C980: "\0\0\0\b\0\0\010"..
        dat:  maxlen=1    len=40   buf=0x0004B708: " L aCC19\0\0\0\0"..
poll(0x0003B71C, 1, 10000)                      = 1
        fd=4  ev=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND rev=POLLIN|POLLRDNORM
fstat(4, 0xFFBFF360)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
getmsg(4, 0xFFBFF500, 0x0002C280, 0xFFBFF52C)   = 0
        ctl:  maxlen=1664 len=36   buf=0x0002C980: "\0\0\014\0\0\010"..
        dat:  maxlen=65508 len=24   buf=0x0003B724: " L aCC19\0\0\001"..
        flags:  0x0000
getuid()                                        = 0 [0]
fstat(4, 0xFFBFF400)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
fstat(4, 0xFFBFF3D0)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
sigprocmask(SIG_SETMASK, 0xFFBFF568, 0xFFBFF558) = 0
         set = 0xFFFFFFFF 0x00003FFF 0 0
        oset = 0 0 0 0
ioctl(4, I_NREAD, 0xFFBFF47C)                   = 0
        0xFFBFF47C: 0
ioctl(4, I_STR, 0xFFBFF470)                     = 0
        cmd=TI_UNBIND timout=-1 len=8 dp=0x0002C980
ioctl(4, I_FLUSH, FLUSHRW)                      = 0
sigprocmask(SIG_SETMASK, 0xFFBFF558, 0x00000000) = 0
         set = 0 0 0 0
fstat(4, 0xFFBFF400)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
fstat(4, 0xFFBFF3A0)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
ioctl(4, I_STR, 0xFFBFF51C)                     = 0
        cmd=TI_GETINFO timout=-1 len=44 dp=0xFFBFF52C
fstat(4, 0xFFBFF3A0)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
ioctl(4, I_STR, 0xFFBFF51C)                     = 0
        cmd=TI_GETINFO timout=-1 len=44 dp=0xFFBFF52C
getpid()                                        = 18131 [18130]
fstat(4, 0xFFBFF3C8)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
sigprocmask(SIG_SETMASK, 0xFFBFF568, 0xFFBFF558) = 0
         set = 0xFFFFFFFF 0x00003FFF 0 0
        oset = 0 0 0 0
ioctl(4, I_STR, 0xFFBFF4D0)                     = 0
        cmd=TI_BIND timout=-1 len=32 dp=0x0002C980 sigprocmask(SIG_SETMASK, 
0xFFBFF558, 0x00000000) = 0
         set = 0 0 0 0
uname(0xFFBFF0A0)                               = 1
        sys=SunOS nod=NFS-CLIENT rel=5.9 ver=Generic_118558-26 mch=sun4u
getuid()                                        = 0 [0]
getgid()                                        = 1 [1]
getgroups(16, 0xFFBFF608)                       = 11
             1     0     2     3     4     5     6     7     8     9
            12
fstat(4, 0xFFBFF450)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
putmsg(4, 0xFFBFF5EC, 0xFFBFF70C, 0)            = 0
        ctl:  maxlen=1664 len=36   buf=0x0002C980: "\0\0\0\b\0\0\010"..
        dat:  maxlen=0    len=132  buf=0x0004B708: " L aCC1A\0\0\0\0"..
poll(0x0003B71C, 1, 15000)                      = 1
        fd=4  ev=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND rev=POLLIN|POLLRDNORM
fstat(4, 0xFFBFF448)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
getmsg(4, 0xFFBFF5E8, 0x0002C280, 0xFFBFF614)   = 0
        ctl:  maxlen=1664 len=36   buf=0x0002C980: "\0\0\014\0\0\010"..
        dat:  maxlen=65508 len=28   buf=0x0003B724: " L aCC1A\0\0\001"..
        flags:  0x0000
fstat64(2, 0xFFBFE7F8)                          = 0
    d=0x01540000 i=22494 m=0020620 l=1  u=0     g=7     rdev=0x00600001
        at = Aug 19 10:01:59 PDT 2010  [ 1282237319 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 18 18:18:46 PDT 2010  [ 1282180726 ]
    bsz=8192  blks=0     fs=ufs
nfs mountwrite(2, " n f s   m o u n t", 9)              = 9
: write(2, " :  ", 2)                           = 2
eudb5write(2, " e u d b 5", 5)                  = 5
:write(2, " :", 1)                              = 1
/backupwrite(2, " / b a c k u p", 7)                    = 7
: write(2, " :  ", 2)                           = 2
Permission deniedwrite(2, " P e r m i s s i o n   d".., 17)     = 17

write(2, "\n", 1)                               = 1
fstat(4, 0xFFBFF530)                            = 0
    d=0x01540000 i=2433  m=0020000 l=0  u=0     g=0     rdev=0x00A4006A
        at = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        mt = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
        ct = Aug 19 10:02:00 PDT 2010  [ 1282237320 ]
    bsz=8192  blks=0     fs=ufs
sigprocmask(SIG_SETMASK, 0xFFBFF6B8, 0xFFBFF6A8) = 0
         set = 0xFFFFFFFF 0x00003FFF 0 0
        oset = 0 0 0 0
close(4)                                        = 0
sigprocmask(SIG_SETMASK, 0xFFBFF6A8, 0x00000000) = 0
         set = 0 0 0 0
_exit(33)


-----Original Message-----
From: Peter Karlsson [mailto:peter.k.karls...@oracle.com] 
Sent: Friday, August 13, 2010 9:22 PM
To: Phillip Bruce (Mindsource)
Cc: zfs-discuss@opensolaris.org
Subject: Re: [zfs-discuss] NFS issue with ZFS



On 8/14/10 11:49 , Phillip Bruce (Mindsource) wrote:
> Peter,
>
> what would you expect for root?
> That is the user I am at.

root is default mapped to annon, if you don't specifically export it 
with the option to allow root on one or more clients to be mapped to 
local root on the server.

zfs set sharenfs=rw,root=host zpool/fs/to/export

where host is a ':' separated list of hosts.

Alternatively, if you want root from any host to be mapped to root on 
the server (bad idea), you can do something like this

zfs set sharenfs=rw,anon=0 zpool/fs/to/export

to allow root access to all hosts.

/peter

> Like I already stated it is NOT a UID or GUID issue.
> Both systems are the same.

Try as a different user that have the same uid on both systems and have 
write access to the directory in qustion.

>
> Phillip
> ________________________________________
> From: Peter Karlsson [peter.k.karls...@oracle.com]
> Sent: Friday, August 13, 2010 7:23 PM
> To: zfs-discuss@opensolaris.org; Phillip Bruce (Mindsource)
> Subject: Re: [zfs-discuss] NFS issue with ZFS
>
> Hi Phillip,
>
> What's the permissions on the directory where you try to write to, and
> what user are you using on the client system, it's most likely a UID
> mapping issue between the client and the server.
>
> /peter
>
> On 8/14/10 3:19 , Phillip Bruce wrote:
>> I have Solaris 10 U7 that is exporting ZFS filesytem.
>> The client is Solaris 9 U7.
>>
>> I can mount the filesytem just fine but I am unable to write to it.
>> showmount -e shows my mount is set for everyone.
>> the dfstab file has option rw set.
>>
>> So what gives?
>>
>> Phillip
>

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