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Mongodb 無法重新啟動(子程序失敗，退出，錯誤編號 45)

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Mongodb 無法重新啟動(子程序失敗，退出，錯誤編號 45)

在輸入“service mongod restart”後，我收到錯誤“子進程失敗，退出，錯誤號 45”，我檢查了 /var/log/mongo/mongo.log，如下所示：

 SERVER RESTARTED
Sat Dec 21 12:28:59.115 [initandlisten] MongoDB starting : pid=1446 port=27017 dbpath=
/var /lib/mongo 32-bit host=server.xfloyd.com.ar
Sat Dec 21 12:28:59.115 [initandlisten] 
Sat Dec 21 12:28:59.115 [initandlisten] ** NOTE: This is a 32 bit MongoDB binary.
Sat Dec 21 12:28:59.115 [initandlisten] **       32 bit builds are limited to 
less than 2GB of data (or less with --journal).
Sat Dec 21 12:28:59.115 [initandlisten] **       Note that journaling defaults to off for 
32 bit and is currently off.
Sat Dec 21 12:28:59.115 [initandlisten] **       See http://dochub.mongodb.org/core/32bit
Sat Dec 21 12:28:59.115 [initandlisten] 
Sat Dec 21 12:28:59.115 [initandlisten] db version v2.4.6
Sat Dec 21 12:28:59.115 [initandlisten] git version: b9925db5eac369d77a3a5f5d98a145eaaacd9673
Sat Dec 21 12:28:59.115 [initandlisten] build info: Linux bs-linux32.10gen.cc 2.6.21.7-2.
fc8xen #1 SMP Fri Feb 15 12:39:36 EST 2008 i686 BOOST_LIB_VERSION=1_49
Sat Dec 21 12:28:59.115 [initandlisten] allocator: system
Sat Dec 21 12:28:59.115 [initandlisten] options: { config: "/etc/mongod.conf", dbpath: 
"/var/lib/mongo", fork: "true", logappend: "true", logpath: "/var/log/mongo/mongod.log"
, pidfilepath: "/var/run/mongodb/mongod.pid" }
Sat Dec 21 12:28:59.146 [initandlisten] couldn't open /var/lib/mongo/local.ns errno:
13  Permission denied
Sat Dec 21 12:28:59.146 [initandlisten] error couldn't open file /var/lib/mongo/
local.ns terminating
Sat Dec 21 12:28:59.146 dbexit: 
Sat Dec 21 12:28:59.146 [initandlisten] shutdown: going to close listening sockets...
Sat Dec 21 12:28:59.146 [initandlisten] shutdown: going to flush diaglog...
Sat Dec 21 12:28:59.146 [initandlisten] shutdown: going to close sockets...
Sat Dec 21 12:28:59.146 [initandlisten] shutdown: waiting for fs preallocator...
Sat Dec 21 12:28:59.146 [initandlisten] shutdown: closing all files...
Sat Dec 21 12:28:59.146 [initandlisten] closeAllFiles() finished
Sat Dec 21 12:28:59.146 [initandlisten] shutdown: removing fs lock...
Sat Dec 21 12:28:59.146 dbexit: really exiting now

答案1

Sat Dec 21 12:28:59.146 [initandlisten] error couldn't open file /var/lib/mongo/local.ns
terminating

該行最具診斷意義。驗證/var/lib/mongo執行 Mongo 服務的使用者（或如果直接呼叫它，則呼叫 mongodb 的使用者）的權限是否足夠。該local.ns文件是 Mongo 資料庫文件，預設保存在/var/lib/mongo.

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