php stat fails on glusterfs

gistfile1.txt

rt_sigaction(SIGPROF, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGPROF, {0x2b8c00, ~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], SA_RESTORER|SA_SIGINFO, 0x7697a740}, NULL, 8) = 0
rt_sigaction(SIGHUP, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGHUP, {0x2b8c00, ~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], SA_RESTORER|SA_SIGINFO, 0x7697a740}, NULL, 8) = 0
rt_sigaction(SIGINT, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGINT, {0x2b8c00, ~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], SA_RESTORER|SA_SIGINFO, 0x7697a740}, NULL, 8) = 0
rt_sigaction(SIGQUIT, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGQUIT, {0x2b8c00, ~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], SA_RESTORER|SA_SIGINFO, 0x7697a740}, NULL, 8) = 0
rt_sigaction(SIGTERM, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGTERM, {0x2b8c00, ~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], SA_RESTORER|SA_SIGINFO, 0x7697a740}, NULL, 8) = 0
rt_sigaction(SIGUSR1, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGUSR1, {0x2b8c00, ~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], SA_RESTORER|SA_SIGINFO, 0x7697a740}, NULL, 8) = 0
rt_sigaction(SIGUSR2, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGUSR2, {0x2b8c00, ~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], SA_RESTORER|SA_SIGINFO, 0x7697a740}, NULL, 8) = 0
rt_sigaction(SIGPROF, {0x2b8c00, ~[ILL TRAP ABRT BUS FPE KILL SEGV CONT STOP TSTP TTIN TTOU SYS RTMIN RT_1], SA_RESTORER|SA_SIGINFO, 0x7697a740}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [PROF], NULL, 8) = 0
mmap2(NULL, 65536, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x73d9b000
fstat64(0, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fstat64(0, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
_llseek(0, 0, 0x7ec433e0, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
_llseek(1, 0, 0x7ec433e0, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
fstat64(2, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
fstat64(2, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
_llseek(2, 0, 0x7ec433e0, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
ioctl(3, TCGETS, 0x7ec40dec)            = -1 ENOTTY (Inappropriate ioctl for device)
fstat64(3, {st_mode=S_IFREG|0644, st_size=493, ...}) = 0
mmap2(NULL, 525, PROT_READ, MAP_PRIVATE, 3, 0) = 0x76f53000
munmap(0x76f53000, 525)                 = 0
close(3)                                = 0
stat64("/shared/owncloud/.ocdata", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
write(2, "PHP Warning:  stat(): stat faile"..., 98PHP Warning:  stat(): stat failed for /shared/owncloud/.ocdata in /srv/http/phpinfo.php on line 4
) = 98