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麒麟系统备份,指令报错[-7169]:bakres与DMAP消息通信失败,查看dmap服务正常

arc 2023/04/25 2140 5

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【DM版本】:DM8
【操作系统】:麒麟v10 x86
【CPU】:
【问题描述】*:
达梦第三方厂商备份,备份指令提示dmap链接异常。
手动重启DmAPService,DmServiceDMSERVER 后,也会报错。
文件已经可以正常写入到第三方目标路径。但是备份指令提示[-7169]:bakres与DMAP消息通信失败。同时查看/var/log/message信息,提示dmap_br服务core dump。开启ulimit -a 不限制后,没有core dump文件。相关报错日志如下。
1.备份指令包错:
SQL> BACKUP DATABASE FULL DEVICE TYPE TAPE;
BACKUP DATABASE FULL DEVICE TYPE TAPE;
[-7169]:bakres与DMAP消息通信失败.
已用时间: 00:00:02.186. 执行号:0.

2.message log报错:
Apr 25 20:45:55 kylin192 audit[211587]: ANOM_ABEND auid=0 uid=12345 gid=12349 ses=12 pid=211587 comm="dmap_br" exe="/home/dmdba/dmdbms/bin/dmap_br" sig=6 res=1
Apr 25 20:45:55 kylin192 systemd[1]: Started Process Core Dump (PID 211599/UID 0).
Apr 25 20:45:55 kylin192 audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@50-211599-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Apr 25 20:45:55 kylin192 auditd[843]: find kylin-root
Apr 25 20:45:55 kylin192 auditd[843]: AUDIT:bfree=75447,threshold_size=75,fs_space_warning=0
Apr 25 20:45:57 kylin192 systemd-coredump[211600]: Process 211587 (dmap_br) of user 12345 dumped core.#012#012Stack trace of thread 211589:#012#0 0x00007f2e899885ab raise (libc.so.6)#012#1 0x00007f2e899898d1 abort (libc.so.6)#012#2 0x00007f2e899c9e59 n/a (libc.so.6)#012#3 0x00007f2e899d05ca n/a (libc.so.6)#012#4 0x00007f2e899d206d n/a (libc.so.6)#012#5 0x00007f2e899bf8ae fclose (libc.so.6)#012#6 0x00007f2e89e874fc n/a (/home/dmdba/dmdbms/bin/libdmsbtex.so)#012#7 0x00007f2e89e83348 n/a (/home/dmdba/dmdbms/bin/libdmsbtex.so)#012#8 0x00007f2e8abe692c n/a (/home/dmdba/dmdbms/bin/libdmbrtsk.so)#012#9 0x476f16b0640dbfd8 n/a (n/a)
Apr 25 20:45:57 kylin192 systemd[1]: systemd-coredump@50-211599-0.service: Succeeded.

3.同时备份动态库在centos7上已经可以备份成功,且无报错提示。

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