[sdai@sdai-test mnt]$ sudo strace -f -ttt exportfs -a 1481828464.850990 execve("/usr/sbin/exportfs", ["exportfs", "-a"], [/* 18 vars */]) = 0 1481828464.851623 brk(0) = 0x7fabe14f8000 1481828464.851709 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabe00ff000 1481828464.851789 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) 1481828464.851874 open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3 1481828464.851927 fstat(3, {st_mode=S_IFREG|0644, st_size=1015470, ...}) = 0 1481828464.851971 mmap(NULL, 1015470, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fabe0007000 1481828464.852010 close(3) = 0 1481828464.852076 open("/lib64/libwrap.so.0", O_RDONLY|O_CLOEXEC) = 3 1481828464.852123 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\3403\0\0\0\0\0\0"..., 832) = 832 1481828464.852185 fstat(3, {st_mode=S_IFREG|0755, st_size=42520, ...}) = 0 1481828464.852234 mmap(NULL, 2138208, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fabdfcd4000 1481828464.852275 mprotect(0x7fabdfcdd000, 2093056, PROT_NONE) = 0 1481828464.852316 mmap(0x7fabdfedc000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = 0x7fabdfedc000 1481828464.852371 mmap(0x7fabdfede000, 96, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fabdfede000 1481828464.852469 close(3) = 0 1481828464.852531 open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 1481828464.852579 read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 \34\2\0\0\0\0\0"..., 832) = 832 1481828464.852620 fstat(3, {st_mode=S_IFREG|0755, st_size=2112384, ...}) = 0 1481828464.852660 mmap(NULL, 3936832, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fabdf912000 1481828464.852700 mprotect(0x7fabdfac9000, 2097152, PROT_NONE) = 0 1481828464.852739 mmap(0x7fabdfcc9000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b7000) = 0x7fabdfcc9000 1481828464.852789 mmap(0x7fabdfccf000, 16960, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fabdfccf000 1481828464.852842 close(3) = 0 1481828464.852894 open("/lib64/libnsl.so.1", O_RDONLY|O_CLOEXEC) = 3 1481828464.852942 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20A\0\0\0\0\0\0"..., 832) = 832 1481828464.852980 fstat(3, {st_mode=S_IFREG|0755, st_size=113328, ...}) = 0 1481828464.853017 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabe0006000 1481828464.853064 mmap(NULL, 2198200, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fabdf6f9000 1481828464.853102 mprotect(0x7fabdf70f000, 2093056, PROT_NONE) = 0 1481828464.853140 mmap(0x7fabdf90e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7fabdf90e000 1481828464.853189 mmap(0x7fabdf910000, 6840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fabdf910000 1481828464.853259 close(3) = 0 1481828464.853323 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabe0004000 1481828464.853375 arch_prctl(ARCH_SET_FS, 0x7fabe0004740) = 0 1481828464.853622 mprotect(0x7fabdfcc9000, 16384, PROT_READ) = 0 1481828464.853695 mprotect(0x7fabdf90e000, 4096, PROT_READ) = 0 1481828464.853757 mprotect(0x7fabdfedc000, 4096, PROT_READ) = 0 1481828464.853853 stat("/etc/sysconfig/64bit_strstr_via_64bit_strstr_sse2_unaligned", 0x7ffc655044d0) = -1 ENOENT (No such file or directory) 1481828464.853923 mprotect(0x7fabe0311000, 4096, PROT_READ) = 0 1481828464.853973 mprotect(0x7fabe0100000, 4096, PROT_READ) = 0 1481828464.854019 munmap(0x7fabe0007000, 1015470) = 0 1481828464.854175 getpid() = 22722 1481828464.854226 rt_sigaction(SIGUSR1, {0x7fabe010c390, [USR1], SA_RESTORER|SA_RESTART, 0x7fabdf947670}, {SIG_DFL, [], 0}, 8) = 0 1481828464.854291 rt_sigaction(SIGUSR2, {0x7fabe010c390, [USR2], SA_RESTORER|SA_RESTART, 0x7fabdf947670}, {SIG_DFL, [], 0}, 8) = 0 1481828464.854351 access("/proc/fs/nfs/filehandle", F_OK) = -1 ENOENT (No such file or directory) 1481828464.854445 access("/proc/fs/nfsd/filehandle", F_OK) = 0 1481828464.854500 open("/var/lib/nfs/export-lock", O_RDWR|O_CREAT, 0666) = 3 1481828464.854546 fcntl(3, F_SETLKW, {type=F_WRLCK, whence=SEEK_CUR, start=0, len=0}) = 0 1481828464.854670 brk(0) = 0x7fabe14f8000 1481828464.854716 brk(0x7fabe1519000) = 0x7fabe1519000 1481828464.854755 brk(0) = 0x7fabe1519000 1481828464.854811 open("/etc/exports", O_RDONLY) = 4 1481828464.854885 fstat(4, {st_mode=S_IFREG|0644, st_size=274, ...}) = 0 1481828464.854929 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabe00fe000 1481828464.854970 read(4, "#\n# This file is managed by salt"..., 4096) = 274 1481828464.855071 open("/proc/fs/nfsd/export_features", O_RDONLY) = 5 1481828464.855121 read(5, "0x3fe7f 0xf\n", 50) = 12 1481828464.855159 close(5) = 0 1481828464.855270 lstat("/mnt", {st_mode=S_IFDIR|0755, st_size=19, ...}) = 0 1481828464.855319 lstat("/mnt/delta", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 1481828464.855471 read(4, "", 4096) = 0 1481828464.855528 read(4, "", 4096) = 0 1481828464.855573 close(4) = 0 1481828464.855609 munmap(0x7fabe00fe000, 4096) = 0 1481828464.855669 openat(AT_FDCWD, "/etc/exports.d", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4 1481828464.855722 getdents(4, /* 2 entries */, 32768) = 48 1481828464.855772 getdents(4, /* 0 entries */, 32768) = 0 1481828464.855812 close(4) = 0 1481828464.855850 stat("/mnt/delta", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 1481828464.855911 open("/proc/net/rpc/auth.unix.ip/channel", O_WRONLY) = 4 1481828464.856002 write(4, "nfsd 0.0.0.0 2147483647 -test-cl"..., 38) = 38 1481828464.856074 close(4) = 0 1481828464.856122 open("/proc/net/rpc/nfsd.export/channel", O_WRONLY) = 4 1481828464.856180 close(4) = 0 1481828464.856246 statfs("/mnt/delta", {f_type=0xbd00bd0, f_bsize=4096, f_blocks=507173245304, f_bfree=254944067464, f_bavail=249382358163, f_files=2071773541, f_ffree=1886559733, f_fsid={2065549764, 0}, f_namelen=255, f_frsize=4096}) = 0 1481828564.856644 open("/proc/net/rpc/nfsd.export/channel", O_WRONLY) = 4 1481828564.856755 write(4, "-test-client- /mnt/delta 3 8192"..., 47) = 47 1481828564.856870 stat("/", {st_mode=S_IFDIR|0555, st_size=4096, ...}) = 0 1481828564.856920 open("/proc/net/rpc/auth.unix.ip/channel", O_WRONLY) = 4 1481828564.856981 write(4, "nfsd 0.0.0.0 2147483647 -test-cl"..., 38) = 38 1481828564.857044 close(4) = 0 1481828564.857084 open("/proc/net/rpc/nfsd.export/channel", O_WRONLY) = 4 1481828564.857138 close(4) = 0 1481828564.857170 statfs("/", {f_type=0x58465342, f_bsize=4096, f_blocks=3929344, f_bfree=1449277, f_bavail=1449277, f_files=7863808, f_ffree=7578779, f_fsid={2051, 0}, f_namelen=255, f_frsize=4096}) = 0 1481828564.857215 open("/proc/net/rpc/nfsd.export/channel", O_WRONLY) = 4 1481828564.857265 write(4, "-test-client- / 3 8192 65534 65"..., 38) = 38 1481828564.857303 close(4) = 0 1481828564.857360 open("/var/lib/nfs/.etab.lock", O_RDONLY|O_CREAT, 0600) = 4 1481828564.857468 fcntl(4, F_SETLKW, {type=F_RDLCK, whence=SEEK_SET, start=0, len=0}) = 0 1481828564.857542 open("/var/lib/nfs/etab", O_RDONLY) = 5 1481828564.857594 fstat(5, {st_mode=S_IFREG|0644, st_size=389, ...}) = 0 1481828564.857634 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabe00fe000 1481828564.857706 read(5, "/mnt/delta\t*(rw,async,wdelay,hid"..., 4096) = 389 1481828564.857809 lstat("/mnt", {st_mode=S_IFDIR|0755, st_size=19, ...}) = 0 1481828564.857853 lstat("/mnt/delta", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 1481828564.857952 read(5, "", 4096) = 0 1481828564.858003 read(5, "", 4096) = 0 1481828564.858035 close(5) = 0 1481828564.858066 munmap(0x7fabe00fe000, 4096) = 0 1481828564.858118 close(4) = 0 1481828564.858160 open("/var/lib/nfs/.etab.lock", O_RDWR|O_CREAT, 0600) = 4 1481828564.858203 fcntl(4, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}) = 0 1481828564.858240 open("/var/lib/nfs/etab.tmp", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 5 1481828564.858364 fstat(5, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 1481828564.858432 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabe00fe000 1481828564.858506 write(5, "/mnt/delta\t*(rw,async,wdelay,hid"..., 389) = 389 1481828564.858570 close(5) = 0 1481828564.858614 munmap(0x7fabe00fe000, 4096) = 0 1481828564.858663 open("/var/lib/nfs/etab.tmp", O_RDONLY) = 5 1481828564.858705 open("/var/lib/nfs/etab", O_RDONLY) = 6 1481828564.858741 read(5, "/mnt/delta\t*(rw,async,wdelay,hid"..., 4096) = 389 1481828564.858782 read(6, "/mnt/delta\t*(rw,async,wdelay,hid"..., 4096) = 389 1481828564.858823 read(5, "", 4096) = 0 1481828564.858853 read(6, "", 4096) = 0 1481828564.858885 close(5) = 0 1481828564.858915 close(6) = 0 1481828564.858946 unlink("/var/lib/nfs/etab.tmp") = 0 1481828564.859039 close(4) = 0 1481828564.859075 stat("/var/lib/nfs/etab", {st_mode=S_IFREG|0644, st_size=389, ...}) = 0 1481828564.859124 open("/proc/net/rpc/auth.unix.ip/flush", O_RDWR) = 4 1481828564.859205 write(4, "1481828263\n", 11) = 11 1481828564.859243 close(4) = 0 1481828564.859286 open("/proc/net/rpc/auth.unix.gid/flush", O_RDWR) = 4 1481828564.859350 write(4, "1481828263\n", 11) = 11 1481828564.859385 close(4) = 0 1481828564.859452 open("/proc/net/rpc/nfsd.fh/flush", O_RDWR) = 4 1481828564.859520 write(4, "1481828263\n", 11) = 11 1481828564.859556 close(4) = 0 1481828564.859592 open("/proc/net/rpc/nfsd.export/flush", O_RDWR) = 4 1481828564.859651 write(4, "1481828263\n", 11) = 11 1481828564.859686 close(4) = 0 1481828564.859722 fcntl(3, F_SETLK, {type=F_UNLCK, whence=SEEK_CUR, start=0, len=0}) = 0 1481828564.859797 exit_group(0) = ? 1481828564.859959 +++ exited with 0 +++