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【DM版本】:dm8_20260708_HG_kylin10_64
【操作系统】：麒麟10
【CPU】： ZHA0XIN KaiXian KX-U6780A@2.7GHz
【问题描述】：数据库安装后，服务启动失败

root@yx-pc:/# systemctl status DmServiceDMTEST.service
● DmServiceDMTEST.service - DM Instance Service(DmServiceDMTEST).
Loaded: loaded (/lib/systemd/system/DmServiceDMTEST.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2026-07-21 17:12:12 CST; 24h ago

7月 21 17:12:12 yx-pc DmServiceDMTEST[159404]: Read ini warning, default dm_service.prikey backup path [/dmdata/data/DMTEST/prikey_bak] does not exist.
7月 21 17:12:12 yx-pc DmServiceDMTEST[159404]: os_file_open_normal_rw error! path: '/dmdata/data/DMTEST/dm.ctl', code: 13, desc: Permission denied
7月 21 17:12:12 yx-pc DmServiceDMTEST[159404]: os_file_open_normal_rw error! path: '/dmdata/data/DMTEST/dm.ctl', code: 13, desc: Permission denied
7月 21 17:12:12 yx-pc DmServiceDMTEST[159404]: os_file_open_normal_rw error! path: '/dmdata/data/DMTEST/dm.ctl', code: 13, desc: Permission denied
7月 21 17:12:12 yx-pc DmServiceDMTEST[159404]: os_file_open_normal_rw error! path: '/dmdata/data/DMTEST/dm.ctl', code: 13, desc: Permission denied
7月 21 17:12:12 yx-pc DmServiceDMTEST[159404]: os_file_open_normal_rw error! path: '/dmdata/data/DMTEST/dm.ctl', code: 13, desc: Permission denied
7月 21 17:12:12 yx-pc DmServiceDMTEST[159404]: os_file_open_normal_rw error! path: '/dmdata/data/DMTEST/dm.ctl', code: 13, desc: Permission denied
7月 21 17:12:12 yx-pc systemd[1]: DmServiceDMTEST.service: Control process exited, code=exited, status=1/FAILURE
7月 21 17:12:12 yx-pc systemd[1]: DmServiceDMTEST.service: Failed with result 'exit-code'.
7月 21 17:12:12 yx-pc systemd[1]: Failed to start DM Instance Service(DmServiceDMTEST)..