武汉天喻的NFS 磁盘问题

public void AsyncPaper()
        {
            while (true)
            {
                try
                {                  
                    var jsonText = RedisHelper.BlockPopItemFromList("async_write_paper_list");

                    Program.MyFrm.SetTextMessage("【试卷生成】发现一张试卷需要生成...");
                    var o = (JObject)JsonConvert.DeserializeObject(jsonText);
                    var paperId = o["paper_id"].ToString();
                    var version = int.Parse(o["version"].ToString());
                    var paperType = o["paper_type"].ToString();
                    var juanType = o["juan_type"].ToString();
                    var guid = o["guid"].ToString();
                    var paperName = o["paper_name"].ToString();
                    //要生成的文件位置
                    var currentdate = DateTime.Now.ToString("yyyyMMdd");
                    var ext = version == 1 ? "docx" : "doc";

                    //生成试卷
                    var savedocpath = GeneratePaper(paperId, paperType, juanType, version);
                    
                    var forUrlencoderUrl = "";
                    var forIsoUrl = "";
                    if (GlobalVar.Version == "1")
                    {
                        var uploadkey = "down/Paper/" + currentdate + "/" + guid + "." + ext;
                        //上传到云存储中去
                        var targetbucket = GlobalVar.WorkingBucket;
                        OssUtil.SimpleUpload(savedocpath, targetbucket, uploadkey);
                        OssUtil.GetOssFileUrl(targetbucket, uploadkey, paperName + "." + ext, out forUrlencoderUrl,out forIsoUrl);
                    }
                    else
                    {
                        var di = new DirectoryInfo(GlobalVar.LocalPath + "Paper\\" + currentdate );
                        if (!di.Exists)
                        {
                            di.Create();
                        }

                        var uploadkey =di.FullName + "\\" + guid + "." + ext;
                        var fi = new FileInfo(savedocpath);
                        string command = @"copy "+ savedocpath +" "+uploadkey;
                        Process p = new Process();
                        p.StartInfo.FileName = "cmd.exe";
                        p.StartInfo.UseShellExecute = false;
                        p.StartInfo.RedirectStandardInput = true;
                        p.StartInfo.RedirectStandardError = true;
                        p.Start();
                        p.StandardInput.WriteLine(command);
                        p.StandardInput.WriteLine("exit");
                        p.Close();

                        //回写缓存JuDuanPaperDownPrex
                        var Url = "/dsideal_yy/html/down/Paper/" + currentdate + "/" + guid + "." + ext + "?flag=download&n=" + paperName + "." + ext;
                        var bytes = Encoding.UTF8.GetBytes(Url);
                        forIsoUrl = Convert.ToBase64String(bytes);
                        RedisHelper.Hash_Set("paper_down_" + guid, "forIsoUrl", forIsoUrl);

                        Url = "/dsideal_yy/html/down/Paper/" + currentdate + "/" + guid + "." + ext + "?flag=download&n=" + HttpUtility.UrlEncode(paperName, Encoding.UTF8).ToUpper() + "." + ext;
                        bytes = Encoding.UTF8.GetBytes(Url);
                        forUrlencoderUrl = Convert.ToBase64String(bytes);
                    }
                    RedisHelper.Hash_Set("paper_down_" + guid, "forUrlencoderUrl", forUrlencoderUrl);
                    RedisHelper.Hash_Set("paper_down_" + guid, "forIsoUrl", forIsoUrl);
                    Program.MyFrm.SetTextMessage("【试卷生成】成功生成一张试卷!");
                }
                catch (Exception err)
                {
                    Program.MyFrm.SetTextMessage("【试卷生成】错误原因：" + err);
                }
            }
        }