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【DM版本】:dm v8
【操作系统】：Windows Server 2022
【CPU】:intel x86_64
【问题描述】*：麻烦各位大牛帮忙看一下，在使用DRMAN进行脱机恢复测试时，执行DMRMAN命令时，DMRMAN报错：DM-7169:bakres与DMAP消息通信失败，经过检查确认，dmap服务已经启动，任务管理器可找到dmap进程，且已进行过dmap服务重启。

但netstat命令下未找到dmap进程占用4236端口的记录。
以下是日志信息：

1、DMRMAN TRACE日志

2024-12-12 08:04:14 sbtrestore(filepath=F:\bakfile\databak\DB_TDB_FULL_20241210\DB_TDB_FULL_20241210_3\DB_TDB_FULL_20241210_3.bak)
2024-12-12 08:04:14 sbtread(buf != NULL, buf_len = 4096)
2024-12-12 08:04:14 sbtread(buf != NULL, buf_len = 512)
2024-12-12 08:04:14 sbtread(buf != NULL, buf_len = 1392640)
2024-12-12 08:04:14 sbtclose()
2024-12-12 08:04:14 sbtrestore(filepath=F:\bakfile\databak\DB_TDB_FULL_20241210\DB_TDB_FULL_20241210_0\DB_TDB_FULL_20241210_0.bak)
2024-12-12 08:04:14 sbtread(buf != NULL, buf_len = 4096)
2024-12-12 08:04:14 sbtread(buf != NULL, buf_len = 512)
2024-12-12 08:04:14 sbtread(buf != NULL, buf_len = 10469376)
2024-12-12 08:04:14 sbtread(buf != NULL, buf_len = 512)
2024-12-12 08:04:14 sbtread(buf != NULL, buf_len = 24576)
2024-12-12 08:04:14 sbtclose()
2024-12-12 08:04:14 sbtend(del_flag=FALSE), sbt_sys = 0x48e02c8

2、dmap_br日志

2024-12-12 08:04:13.669 [INFO] dmap_br P0000002444 T0000000000000002716 dmap_br V8
2024-12-12 08:04:13.685 [INFO] dmap_br P0000002444 T0000000000000002716 dmap_br 2444 start with command .\dmap_br.exe 2964 41232720
2024-12-12 08:04:13.685 [INFO] dmap_br P0000002444 T0000000000000002716 dmap_br open socket 4
2024-12-12 08:04:14.879 [INFO] dmap_br P0000002444 T0000000000000002716 dmap_br exit successfully
2024-12-12 08:04:20.614 [INFO] dmap_br P0000004412 T0000000000000003540 dmap_br V8
2024-12-12 08:04:20.630 [INFO] dmap_br P0000004412 T0000000000000003540 dmap_br 4412 start with command .\dmap_br.exe 2964 43329360
2024-12-12 08:04:20.630 [INFO] dmap_br P0000004412 T0000000000000003540 dmap_br open socket 4
2024-12-12 08:04:20.824 [INFO] dmap_br P0000004412 T0000000000000003540 dmap_br exit successfully

3、dmap日志

2024-12-12 08:04:13.606 [INFO] dmap P0000002964 T0000000000000006740 accept connection 127.0.0.1:63447
2024-12-12 08:04:13.622 [INFO] dmap P0000002964 T0000000000000001096 create subprocess dmap_br by path: .\dmap_br.exe!
2024-12-12 08:04:13.622 [INFO] dmap P0000002964 T0000000000000001096 dmap_os_prcs_create create subprocess with command .\dmap_br.exe 2964 41232720
2024-12-12 08:04:13.622 [INFO] dmap P0000002964 T0000000000000001096 create subprocess dmap_br successfully
2024-12-12 08:04:20.533 [INFO] dmap P0000002964 T0000000000000006740 accept connection 127.0.0.1:63448
2024-12-12 08:04:20.533 [INFO] dmap P0000002964 T0000000000000005316 create subprocess dmap_br by path: .\dmap_br.exe!
2024-12-12 08:04:20.549 [INFO] dmap P0000002964 T0000000000000005316 dmap_os_prcs_create create subprocess with command .\dmap_br.exe 2964 43329360
2024-12-12 08:04:20.549 [INFO] dmap P0000002964 T0000000000000005316 create subprocess dmap_br successfully

4、DMRMAN日志

2024-12-12 08:04:20.824 [INFO] dmrman P0000005812 T0000000000000006252 socket_err_should_retry errno:10054
2024-12-12 08:04:20.824 [ERROR] dmrman P0000005812 T0000000000000006252 dmap_msg_recv failed, errno = 183, desc = 当文件已存在时，无法创建该文件。

已成功进行异机还原操作，忽略备份集校验失败报错后，直接进行restore archive log和restore database,可成功进行数据库恢复。目前报错原因不确定，怀疑可能与虚拟机硬件性能瓶颈有关，后续待验证。