Nginx 0.7.x + PHP 5.2.6（FastCGI）+ MySQL 5.1 在128M小内存VPS服务器上的配置优化[原创]
硬盘故障导致的Input/output error[原创]
2008-10-31 17:26 | by
豆瓣从上午11点开始宕机（见：http://blog.douban.com/douban/2008/10/31/139/），到现在已经超过6个小时了。
豆瓣的服务器托管在京东某BGP机房，我在那个机房有机器，试了试，从IDC内部是能访问的。另外，和豆瓣同一IP段的http://59.151.41.22/从外部是能够访问的。所以，我估计是IDC机房内豆瓣那一组线路的问题。
看来，多IDC异地容灾还是很重要的。IDC不出问题则以，一出问题，就成了最大的单点。
IDC机房内部到豆瓣路由是通的：
从IDC机房内部是能访问豆瓣的：
豆瓣的服务器托管在京东某BGP机房，我在那个机房有机器，试了试，从IDC内部是能访问的。另外，和豆瓣同一IP段的http://59.151.41.22/从外部是能够访问的。所以，我估计是IDC机房内豆瓣那一组线路的问题。
看来，多IDC异地容灾还是很重要的。IDC不出问题则以，一出问题，就成了最大的单点。
IDC机房内部到豆瓣路由是通的：
[root@localhost ~]# traceroute www.douban.com
traceroute to www.douban.com (59.151.41.93), 30 hops max, 38 byte packets
1 59.151.xxx.xxx (59.151.xxx.xxx) 0.929 ms 0.917 ms 0.954 ms
2 59.151.96.65 (59.151.96.65) 0.534 ms 0.249 ms 0.263 ms
3 211.151.227.86 (211.151.227.86) 1.931 ms 1.100 ms 2.053 ms
4 59.151.41.93 (59.151.41.93) 0.259 ms 0.252 ms 0.265 ms
traceroute to www.douban.com (59.151.41.93), 30 hops max, 38 byte packets
1 59.151.xxx.xxx (59.151.xxx.xxx) 0.929 ms 0.917 ms 0.954 ms
2 59.151.96.65 (59.151.96.65) 0.534 ms 0.249 ms 0.263 ms
3 211.151.227.86 (211.151.227.86) 1.931 ms 1.100 ms 2.053 ms
4 59.151.41.93 (59.151.41.93) 0.259 ms 0.252 ms 0.265 ms
从IDC机房内部是能访问豆瓣的：
[root@localhost ~]# wget http://www.douban.com/
--16:12:15-- http://www.douban.com/
=> `index.html'
Resolving www.douban.com... 59.151.41.93
Connecting to www.douban.com|59.151.41.93|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 17,074 (17K) [text/html]
100%[=========================>] 17,074 --.--K/s
16:12:15 (12.21 MB/s) - `index.html' saved [17074/17074]
--16:12:15-- http://www.douban.com/
=> `index.html'
Resolving www.douban.com... 59.151.41.93
Connecting to www.douban.com|59.151.41.93|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 17,074 (17K) [text/html]
100%[=========================>] 17,074 --.--K/s
16:12:15 (12.21 MB/s) - `index.html' saved [17074/17074]
shz 
2022-7-31 19:33
I wish more writers of this sort of substance would take the time you did to explore and compose so well. I am exceptionally awed with your vision and knowledge. Scam Risk
shz
2022-7-31 19:36
I will be interested in more similar topics. i see you got really very useful topics , i will be always checking your blog thanks Scam Risk
shz
2022-7-31 19:41
I have bookmarked your website because this site contains valuable information in it. I am really happy with articles quality and presentation. Thanks a lot for keeping great stuff. I am very much thankful for this site. Scam Risk
shz
2022-7-31 19:44
First You got a great blog .I will be interested in more similar topics. i see you got really very useful topics, i will be always checking your blog thanks. Scam Risk
shz
2022-7-31 19:48
so happy to find good place to many here in the post, the writing is just great, thanks for the post. Scam Risk
shzz
2022-8-9 02:52
I am overwhelmed by your post with such a nice topic. Usually I visit your blogs and get updated through the information you include but today’s blog would be the most appreciable. Well done! Scam Risk
shzz
2022-8-9 02:52
Writing with style and getting good compliments on the article is quite hard, to be honest.But you've done it so calmly and with so cool feeling and you've nailed the job. This article is possessed with style and I am giving good compliment. Best! Scam Risk
shz
2022-8-9 02:53
Wonderful blog post. This is absolute magic from you! I have never seen a more wonderful post than this one. You've really made my day today with this. I hope you keep this up! Christian Mikkelsen Review
shzz
2022-8-9 02:57
I really enjoy reading and also appreciate your work. Christian Mikkelsen Review
shz
2022-8-9 02:58
This article gives the light in which we can observe the reality. This is very nice one and gives indepth information. Thanks for this nice article. Christian Mikkelsen Review
shzz
2022-8-9 03:00
I read that Post and got it fine and informative. Please share more like that... Christian Mikkelsen Review
shz
2022-8-9 03:01
this blog was really great, never seen a great blog like this before. i think im gonna share this to my friends.. Christian Mikkelsen Review
shzz
2022-8-9 03:02
This is my first time i visit here and I found so many interesting stuff in your blog especially it's discussion, thank you. Christian Mikkelsen Review
shz
2022-8-9 03:04
Thanks for the best blog. it was very useful for me.keep sharing such ideas in the future as well. Christian Mikkelsen Review
shzz
2022-8-9 03:05
This is a splendid website! I"m extremely content with the remarks!. Christian Mikkelsen Review
shzz
2022-8-18 22:35
so happy to find good place to many here in the post, the writing is just great, thanks for the post. online business
shz
2022-8-18 22:35
This is an excellent post I seen thanks to share it. It is really what I wanted to see hope in future you will continue for sharing such a excellent post. online business
shz
2022-8-18 22:38
The blog and data is excellent and informative as well online business
shzz
2022-8-18 22:43
This was incredibly an exquisite implementation of your ideas online business
shz
2022-8-18 22:44
I would like to say that this blog really convinced me to do it! Thanks, very good post. online business
分页： 4/5 
1 2 3 4 5 
1 2 3 4 5
