Ceph可视化管理dashboard系列（一）：安装和使用ceph-dash

可视化管理dashboard中推荐指数：*

0. ceph-dash简介

ceph-dash极其简单，提供类似ceph -s命令的信息及实时的IO速率等。

1. 下载ceph-dash

mkdir /ceph-dash
cd /ceph-dash
git clone https://github.com/Crapworks/ceph-dash.git

2. 安装python-pip(如果系统已经安装，跳过)

sudo apt-get install python-pip

3. 启动ceph-dash

cd /ceph-dash/ceph-dash
./ceph-dash.py

报如下错误，说明没找到flask：

$ ./ceph-dash.py
Traceback (most recent call last):
  File "./ceph-dash.py", line 4, in <module>
    from app import app
  File "/home/yjiang2/ceph-dash/ceph-dash/app/__init__.py", line 9, in <module>
    from flask import Flask
ImportError: No module named flask

安装flask:

pip install flask

再次启动ceph-dash