Description of problem: As described in the dotnet community tracker at [1], file writes to an NSF drive fail. [1] https://github.com/dotnet/corefx/issues/16256
GSS confirmed the corefx patch indeed fixes the problem: https://github.com/dotnet/corefx/commit/60d1b3d22eca28ca3dfe375d0cefd2bd16059261
[tester@rhel7-x64 hello-world2]$ cat Program.cs || [tester@rhel7-x64 hello-world]$ cat Program.cs using System; using System.IO; namespace ConsoleApplication { public class Program { public static void Main(string[] args) { Console.WriteLine("Hello World!"); File.WriteAllText(@"/mnt/nfs_share/tetest.txt", "TextToWrite"); Console.WriteLine("Hello World!"); } } } [tester@rhel7-x64 hello-world2]$ rpm -qa | grep dotnet rh-dotnetcore10-dotnetcore-1.0.3-3.el7.x86_64 rh-dotnetcore10-runtime-1.0-4.el7.x86_64 rh-dotnetcore10-libuv-1.9.0-1.el7.x86_64 rh-dotnetcore10-1.0-4.el7.x86_64 rh-dotnetcore10-libcurl-7.47.1-4.el7.x86_64 [tester@rhel7-x64 hello-world2]$ scl enable rh-dotnetcore10 -- dotnet run Project hello-world2 (.NETCoreApp,Version=v1.0) will be compiled because expected outputs are missing Compiling hello-world2 for .NETCoreApp,Version=v1.0 Compilation succeeded. 0 Warning(s) 0 Error(s) Time elapsed 00:00:00.8768346 Hello World! Unhandled Exception: System.UnauthorizedAccessException: Access to the path '/mnt/nfs_share/tetest.txt' is denied. ---> System.IO.IOException: Bad file descriptor --- End of inner exception stack trace --- at System.IO.UnixFileStream.CheckFileCall(Int64 result, Boolean ignoreNotSupported) at System.IO.UnixFileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, FileStream parent) at System.IO.UnixFileSystem.Open(String fullPath, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, FileStream parent) at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options) at System.IO.File.InternalWriteAllText(String path, String contents, Encoding encoding) at System.IO.File.WriteAllText(String path, String contents) at ConsoleApplication.Program.Main(String[] args) [tester@rhel7-x64 ~]$ rpm -qa | grep dotnet rh-dotnetcore10-1.0-4.el7.x86_64 rh-dotnetcore10-libuv-1.9.0-1.el7.x86_64 rh-dotnetcore10-dotnetcore-1.0.4-1.el7.x86_64 rh-dotnetcore10-runtime-1.0-4.el7.x86_64 rh-dotnetcore10-libcurl-7.47.1-4.el7.x86_64 [tester@rhel7-x64 ~]$ scl enable rh-dotnetcore10 -- dotnet --version 1.0.0-preview2-003157 [tester@rhel7-x64 hello-world]$ scl enable rh-dotnetcore10 -- dotnet run Project hello-world (.NETCoreApp,Version=v1.0) will be compiled because inputs were modified Compiling hello-world for .NETCoreApp,Version=v1.0 Compilation succeeded. 0 Warning(s) 0 Error(s) Time elapsed 00:00:00.8816610 Hello World! Hello World! Where /mnt/nfs_share/ is: [tester@rhel7-x64 hello-world2]$ df -h Filesystem Size Used Avail Use% Mounted on ... tmpfs 1.0G 4.0K 1.0G 1% /mnt/export localhost:/mnt/export 1.0G 0 1.0G 0% /mnt/nfs_share [tester@rhel7-x64 hello-world2]$ cat /etc/exports /mnt/export *(fsid=25,rw,sync) and mnt/export is mount --bind ramdisk at /mnt/rmadisk2 accessible as 777: -rw-rw-r-- 1 tester tester 5 Mar 14 12:32 aaa -rwxrw-r-- 1 tester tester 0 Mar 14 12:42 tetest.txt [tester@rhel7-x64 hello-world2]$ ll /mnt/nfs_share/ total 4 -rw-rw-r-- 1 tester tester 5 Mar 14 12:32 aaa -rwxrw-r-- 1 tester tester 0 Mar 14 12:42 tetest.txt [tester@rhel7-x64 hello-world2]$ ll /mnt/ramdisk2/ total 4 -rw-rw-r-- 1 tester tester 5 Mar 14 12:32 aaa -rwxrw-r-- 1 tester tester 0 Mar 14 12:42 tetest.txt [tester@rhel7-x64 hello-world2]$ ll /mnt total 0 drwxrwxrwt 2 root root 80 Mar 14 12:42 export drwxrwxrwt 2 root root 80 Mar 14 12:42 nfs_share drwxrwxrwt 2 root root 80 Mar 14 12:42 ramdisk2
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2017-0519.html