gs_basebackup 打包备份的文件无法解包

【标题描述】: 【测试类型：gs_basebackup 备份工具【测试版本：】 问题描述：使用参数-Ft备份的文件无法解包 ``` [omm@server1 backup]$ gs_basebackup --version gs_basebackup (openGauss 5.0.2 build 48a25b11) compiled at 2024-05-14 10:53:45 commit 0 last mr #执行的备份命令 [omm@server1 backup]$ gs_basebackup -D /data/omm/backup/ -Ft -Pv -Xf #备份生成的文件 [omm@server1 backup]$ ls base.tar [omm@server1 backup]$ ls -lrth total 172M -rw------- 1 omm dbgrp 172M Sep 19 16:23 base.tar [omm@server1 backup]$ file base.tar base.tar: data [omm@server1 backup]$ tar -xf base.tar tar: This does not look like a tar archive tar: Skipping to next header tar: Exiting with failure status due to previous errors ``` 【操作系统和硬件信息】(查询命令: cat /etc/system-release, uname -a): ``` [omm@server1 backup]$ cat /etc/os-release NAME="openEuler" VERSION="20.03 (LTS-SP4)" ID="openEuler" VERSION_ID="20.03" PRETTY_NAME="openEuler 20.03 (LTS-SP4)" ANSI_COLOR="0;31" ``` 【测试环境】(单机): ``` [omm@server1 backup]$ gs_om -t status --detail [ Cluster State ] cluster_state : Normal redistributing : No current_az : AZ_ALL [ Datanode State ] node node_ip port instance state ------------------------------------------------------------------------------- 1 server1 192.168.10.91 15400 6001 /data/omm/dn P Primary Normal ``` 【被测功能】: gs_basebackup 全量备份 【测试类型】: 功能性测试 【数据库版本】(查询命令: gaussdb -V): ``` [omm@server1 backup]$ gaussdb --version gaussdb (openGauss 5.0.2 build 48a25b11) compiled at 2024-05-14 10:53:45 commit 0 last mr ``` 【预置条件】: 数据库正常运行 【操作步骤】(请填写详细的操作步骤): 1. 执行备份 ``` [omm@server1 backup]$ gs_basebackup -D /data/omm/backup/ -Ft -Pv -Xf INFO: The starting position of the xlog copy of the full build is: 4/19000028. The slot minimum LSN is: 0/0. The disaster slot minimum LSN is: 0/0. The logical slot minimum LSN is: 0/0. [2025-09-19 16:33:17]:transaction log start point: 4/19000028 [2025-09-19 16:33:17]:begin build tablespace list [2025-09-19 16:33:17]:finish build tablespace list 175310/175310 kB (100%), 1/1 tablespace …