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Apache服务器提示“Nospaceleftondevice”的解决办法

1)问题Apache启动失败;错误日志提示如下:Nospaceleftondevice:mod_jk:couldnotcreatejk_log_lockConfigurationFailed2)解决步骤1)切换到root账号,先用下面的这个命令检查一下哪个用户的信号量比较多:#ipcs-a2)然后关掉那个用户的apa
1)     问题

Apache启动失败;

错误日志提示如下:No space left on device: mod_jk: could not create jk_log_lock Configuration Failed

2)     解决步骤

1)切换到root账号,先用下面的这个命令检查一下哪个用户的信号量比较多:

#ipcs -a

2)然后关掉那个用户的apache,用下面这个命令删除信号量(注意修改用户名):

#ipcs -s | grep username| gawk '{ print $2 }' | xargs -n 1 ipcrm sem 

3)最后重启Apache

问题解决。

3)     操作实例
a)   启动失败

[root@LH-WEB-SS-01 init.d]# ./httpd start

Starting httpd:                                            [FAILED]

b)   查看日志

[root@LH-WEB-SS-01 logs]# tail -f error_log

[Thu Apr 12 02:21:21 2012] [crit] (28)No space left on device: mod_jk: could not create jk_log_lock

Configuration Failed

c)   检查信号量

[root@LH-WEB-SS-01 init.d]# ipcs -a

------ Shared Memory Segments --------

key        shmid      owner      perms      bytes      nattch     status     

0x740082aa 1114112    root      600        4          0                      

0x7400827f 1802241    root      600        4          0                      

0x00000000 2162690    root      644        52         2                       

0x7400827e 1769475    root      600        4          0                      

0x00000000 2195460    root      644        16384      2                      

0x00000000 2228229    root      644        268        2                      

0x00000000 2260998    gdm       600        393216     2          dest        

------ Semaphore Arrays --------

key        semid      owner      perms      nsems    

0x000000a7 0          root      600        1        

0x00000000 14385153   daemon    600        1        

0x00000000 14417922   daemon    600        1        

0x00000000 14450691   daemon    600        1        

0x00000000 14712836   daemon    600        1        

0x00000000 14745605   daemon    600        1        

0x00000000 14778374   daemon    600        1        

0x00000000 15040519   daemon    600        1        

0x00000000 15073288   daemon    600        1        

0x00000000 15106057   daemon    600        1        

0x00000000 16515082   daemon    600        1        

0x00000000 16547851   daemon    600        1        

0x00000000 16580620   daemon    600        1        

0x00000000 16678925   daemon    600        1        

0x00000000 16711694   daemon    600        1        

0x00000000 16744463   daemon    600        1         

0x00000000 16842768   daemon    600        1        

0x00000000 16875537   daemon    600        1        

0x00000000 16908306   daemon    600        1        

0x00000000 17006611   daemon    600        1        

0x00000000 17039380   daemon    600        1        

0x00000000 17072149   daemon    600        1        

0x00000000 17170454   daemon    600        1        

0x00000000 17203223   daemon    600        1        

0x00000000 17235992   daemon    600        1        

0x00000000 17334297   daemon    600        1        

0x00000000 17367066   daemon    600        1        

0x00000000 17399835   daemon    600        1        

0x00000000 17498140   daemon    600        1        

0x00000000 17530909   daemon    600        1        

0x00000000 17563678   daemon    600        1        

0x00000000 17661983   daemon    600        1        

0x00000000 17694752   daemon    600        1        

0x00000000 17727521   daemon    600        1        

0x00000000 18153506   daemon    600        1         

0x00000000 18186275   daemon    600        1        

0x00000000 18219044   daemon    600        1        

0x00000000 18743333   daemon    600        1        

0x00000000 18776102   daemon    600        1        

0x00000000 18808871   daemon    600        1        

0x00000000 18907176   daemon    600        1        

0x00000000 18939945   daemon    600        1        

0x00000000 18972714   daemon    600        1        

0x00000000 20217899   daemon    600        1        

0x00000000 20250668   daemon    600        1        

0x00000000 20283437   daemon    600        1        

0x00000000 20381742   daemon    600        1        

0x00000000 20414511   daemon    600        1        

0x00000000 20447280   daemon    600        1        

0x00000000 20873265   daemon    600        1        

0x00000000 20906034   daemon    600        1        

0x00000000 20938803   daemon    600        1        

0x00000000 21200948   daemon    600        1        

0x00000000 21233717   daemon    600        1         

0x00000000 21266486   daemon    600        1        

0x00000000 21364791   daemon    600        1        

0x00000000 21397560   daemon    600        1        

0x00000000 21430329   daemon    600        1        

0x00000000 22347834   daemon    600        1        

0x00000000 22380603   daemon    600        1        

0x00000000 22413372   daemon    600        1        

0x00000000 22511677   daemon    600        1        

0x00000000 22544446   daemon    600        1        

0x00000000 22577215   daemon    600        1        

0x00000000 23330880   daemon    600        1        

0x00000000 23363649   daemon    600        1        

0x00000000 23396418   daemon    600        1        

0x00000000 23494723   daemon    600        1        

0x00000000 23527492   daemon    600        1        

0x00000000 23560261   daemon    600        1        

0x00000000 23658566   daemon    600        1        

0x00000000 23691335   daemon    600        1        

0x00000000 23724104   daemon    600        1         

0x00000000 23822409   daemon    600        1        

0x00000000 23855178   daemon    600        1        

0x00000000 23887947   daemon    600        1        

0x00000000 24641612   daemon    600        1        

0x00000000 24674381   daemon    600        1        

0x00000000 24707150   daemon    600        1        

0x00000000 24805455   daemon    600        1        

0x00000000 24838224   daemon    600        1        

0x00000000 24870993   daemon    600        1        

0x00000000 25460818   daemon    600        1        

0x00000000 25493587   daemon    600        1        

0x00000000 25526356   daemon    600        1        

0x00000000 25788501   daemon    600        1        

0x00000000 25821270   daemon    600        1        

0x00000000 25854039   daemon    600        1        

0x00000000 27099224   daemon    600        1        

0x00000000 27131993   daemon    600        1        

0x00000000 27164762   daemon    600        1        

0x00000000 27426907   daemon    600        1        

0x00000000 27459676   daemon    600        1        

0x00000000 27492445   daemon    600        1        

0x00000000 27590750   daemon    600        1        

0x00000000 27623519   daemon    600        1        

0x00000000 27656288   daemon    600        1        

0x00000000 27918433   daemon    600        1        

0x00000000 27951202   daemon    600        1        

0x00000000 27983971   daemon    600        1        

0x00000000 28246116   daemon    600        1        

0x00000000 28278885   daemon    600        1        

0x00000000 28311654   daemon    600        1        

0x00000000 28409959   daemon    600        1        

0x00000000 28442728   daemon    600        1        

0x00000000 28475497   daemon    600        1        

0x00000000 28573802   daemon    600        1        

0x00000000 28606571   daemon    600        1        

0x00000000 28639340   daemon    600        1        

0x00000000 28901485   daemon    600        1        

0x00000000 28934254   daemon    600        1        

0x00000000 28967023   daemon    600        1        

0x00000000 29884528   daemon    600        1        

0x00000000 29917297   daemon    600        1        

0x00000000 29950066   daemon    600        1        

0x00000000 30048371   daemon    600        1        

0x00000000 30081140   daemon    600        1        

0x00000000 30113909   daemon    600        1        

0x00000000 30212214   daemon    600        1        

0x00000000 30244983   daemon    600        1        

0x00000000 30277752   daemon    600        1        

0x00000000 30539897   daemon    600        1        

0x00000000 30572666   daemon    600        1        

0x00000000 30605435   daemon    600        1        

0x00000000 30703740   daemon    600        1        

0x00000000 30736509   daemon    600        1        

0x00000000 30769278   daemon    600        1        

------ Message Queues --------

key        msqid      owner      perms      used-bytes   messages

发现daemon用户占用信号量较多。

d)   删除信号量

注意用户名已换为daemon。

[root@LH-WEB-SS-01 init.d]# ipcs -s | grep daemon| gawk '{ print $2 }' | xargs -n 1 ipcrm sem

resource(s) deleted

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e)   再检查信号量

[root@LH-WEB-SS-01 init.d]# ipcs -a

------ Shared Memory Segments --------

key        shmid      owner      perms      bytes      nattch     status     

0x740082aa 1114112    root      600        4          0                      

0x7400827f 1802241    root      600        4          0                      

0x00000000 2162690    root      644        52         2                      

0x7400827e 1769475    root      600        4          0                      

0x00000000 2195460    root      644        16384      2                      

0x00000000 2228229    root      644        268        2                      

0x00000000 2260998    gdm       600        393216     2          dest        

0x00000000 2293767    root      600        7296       4          dest        

------ Semaphore Arrays --------

key        semid      owner      perms      nsems    

0x000000a7 0          root      600        1        

------ Message Queues --------

key        msqid      owner      perms      used-bytes   messages

已正常。

f)   重启Apache

[root@LH-WEB-SS-01 init.d]# ./httpd start

Starting httpd:                                            [  OK  ]

[root@LH-WEB-SS-01 init.d]#

重启成功。


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