Squid无法启动的故障排查
2012-06-10 18:44:15   来源:   评论:0 点击:

收到监控的兄弟报CDN有台服务器的squid启动不起来了.上去看了下日志Jun 9 22:37:09 WEBCDN squid[21516]: Squid Parent: child pro...
收到监控的兄弟报CDN有台服务器的squid启动不起来了.
 
上去看了下日志
 
Jun  9 22:37:09 WEBCDN squid[21516]: Squid Parent: child process 21709 started
Jun  9 22:37:09 WEBCDN squid[21709]: storeDirOpenTmpSwapLog: Failed to open swap log.
Jun  9 22:37:09 WEBCDN squid[21516]: Squid Parent: child process 21709 exited due to signal 6
Jun  9 22:37:12 WEBCDN squid[21516]: Squid Parent: child process 21813 started
Jun  9 22:37:13 WEBCDN squid[21813]: storeDirOpenTmpSwapLog: Failed to open swap log.
Jun  9 22:37:13 WEBCDN squid[21516]: Squid Parent: child process 21813 exited due to signal 6
Jun  9 22:37:16 WEBCDN squid[21516]: Squid Parent: child process 21872 started
Jun  9 22:37:16 WEBCDN squid[21872]: storeDirOpenTmpSwapLog: Failed to open swap log.
Jun  9 22:37:16 WEBCDN squid[21516]: Squid Parent: child process 21872 exited due to signal 6
Jun  9 22:37:16 WEBCDN squid[21516]: Exiting due to repeated, frequent failures
 
 
看了下cache-dir的目录权限是正确的,于是看了下操作记录
 
发现是有人使用了killsquid干掉了!
Squid无法启动的故障排查1
 
Squid在运行时会写一个swap.state文件,如果强制killsquid会导致swap.state文件出现错误,那么squid也就没有办法启动了。
 
 
 
同时看了cache.log
 
 
2012/06/09 22:51:30| Store logging disabled
2012/06/09 22:51:30| Rebuilding storage in /data/squid/cache (DIRTY)
2012/06/09 22:51:30| Rebuilding storage in /data1/squid/cache (DIRTY)
2012/06/09 22:51:30| Rebuilding storage in /data2/squid/cache (DIRTY)
2012/06/09 22:51:30| /data3/squid/cache/swap.state.new: (28) No space left on device
FATAL: storeDirOpenTmpSwapLog: Failed to open swap log.
Squid Cache (Version 1.0): Terminated abnormally.
CPU Usage: 0.018 seconds = 0.006 user + 0.012 sys
Maximum Resident Size: 0 KB
Page faults with physical i/o: 0
 
看了下空间存在,但是inode用完了
 
 
 Squid无法启动的故障排查2
 
 
已经重新格式化(这个盘格的时候可能出现了问题,没有正常格式化完):
 
mkfs.ext3  -N 36634624 /dev/sde1
 
 
因此,以后squid发生问题看下/var/log/messages和/log/squid/cache.log,不要使用kill来杀squid.

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