---
title: dm database usage
date: 2026-05-22
vpn_username: gwjhgzzn
vpn_password: Pygwjh@202409
102-password: 102GZgw$jH1170510M
107-password: zwdC1PhH63Zh
db-user: PYGWJH
db-pass: Gwjh@2021
---

# `=this.title`

## Project Overview
**Start Date**: `=this.date`
**Target Completion**: `= this.date`
**Status**: Active

## Objectives
- [ ] login dm database server 10.160.20.102, 10.160.20.107
- [ ] check database usage
- [ ] 

## Context
### vpn
easy connect 
https://218.20.201.210



## Success Criteria
<!-- How will we know this is complete? -->

## Key Resources
<!-- Links to relevant notes, documents, people -->

## Progress Log
login server 10.160.20.107 with root
cat /etc/passwd , if there is dm database user, find dmdba

```bash

su - dmdba

disql 

# PYGWJH
# Gwjh@2021

```

107:
```sql
SQL> SELECT
  TABLESPACE_NAME,
  FILE_NAME,
  BYTES/1024/1024 AS MB
FROM DBA_DATA_FILES
ORDER BY MB DESC;

行号     TABLESPACE_NAME FILE_NAME               MB                  
---------- --------------- ----------------------- --------------------
1          MAIN            /dmdata/dmdb/MAIN.DBF   395964
2          GWJH            /dmdata/dmdb/GWJH.DBF   41018
3          TEMP            /dmdata/dmdb/TEMP.DBF   26396
4          ROLL            /dmdata/dmdb/ROLL.DBF   4330
5          SYSTEM          /dmdata/dmdb/SYSTEM.DBF 236

已用时间: 4.736(毫秒). 执行号:649496702.
```

```bash
du -h --max-depth=2 /dmdata 2>/dev/null | sort -h  
du -h --max-depth=2 /opt/dmdbms 2>/dev/null | sort -h
```


102:
```sql
disql

SELECT
  TABLESPACE_NAME,
  FILE_NAME,
  BYTES/1024/1024 AS MB
FROM DBA_DATA_FILES
ORDER BY MB DESC;
行号     TABLESPACE_NAME FILE_NAME               MB                  
---------- --------------- ----------------------- --------------------
1          MAIN            /dmdata/dmdb/MAIN.DBF   395964
2          GWJH            /dmdata/dmdb/GWJH.DBF   41018
3          ROLL            /dmdata/dmdb/ROLL.DBF   4330
4          TEMP            /dmdata/dmdb/TEMP.DBF   1024
5          SYSTEM          /dmdata/dmdb/SYSTEM.DBF 236

已用时间: 395.278(毫秒). 执行号:11300.

```
### {{date}} - Project Initiated
- Set up project structure
- Initial research phase

## Open Questions
<!-- Track what we need to figure out -->
- 
- 

## Next Actions
<!-- Immediate next steps -->
- [ ] 
- [ ] 

---
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