mds_error: vol:2, returned:-900??

飞天二狭

各位高手，帮我看看 系统日志出现下面信息，是怎么回事？急需解决！！！！！


Jul 11 19:17:32 wgadmin kernel: (29766): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: (29769): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: (29768): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: (29832): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: (29788): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: (29852): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: (29862): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: (29873): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: (29950): mds_error: vol:2, returned:-900
Jul 11 19:17:32 wgadmin kernel: [3762]:_reconn_entry: conn:ffff88060bc66e00
Jul 11 19:17:32 wgadmin kernel: [3762]:_async_reconn_thread: reconn to type:3, id:13, successfully
Jul 11 19:17:33 wgadmin kernel: [3969]:_nm_thread: (echo) type:3, id:10, ip: 172.23.6.12 remote failed
Jul 11 19:17:33 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc63200, vol:2, type:2, id:1
Jul 11 19:17:33 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc61e00, vol:2, type:3, id:8
Jul 11 19:17:34 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc61a00, vol:2, type:3, id:13
Jul 11 19:17:35 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc61600, vol:2, type:3, id:25
Jul 11 19:17:36 wgadmin kernel: (29628): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (29577): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (29639): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (29650): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (29704): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (29715): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (18847): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (29693): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (29726): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: (29683): get_access_perm: all retry failed!
Jul 11 19:17:36 wgadmin kernel: [3998]:_nm_thread: (echo) type:3, id:8, ip: 172.43.1.19 remote failed
Jul 11 19:17:37 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc61000, vol:2, type:3, id:9
Jul 11 19:17:38 wgadmin kernel: [3762]:_reconn_entry: conn:ffff88060bc66400
Jul 11 19:17:38 wgadmin kernel: [3762]:_async_reconn_thread: reconn to type:3, id:8, successfully
Jul 11 19:17:38 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc63600, vol:2, type:3, id:23
Jul 11 19:17:39 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc64600, vol:2, type:3, id:20
Jul 11 19:17:40 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc63400, vol:2, type:3, id:3
Jul 11 19:17:40 wgadmin kernel: [3762]:_reconn_entry: conn:ffff88060bc67e00
Jul 11 19:17:40 wgadmin kernel: [3762]:_async_reconn_thread: reconn to type:3, id:34, successfully
Jul 11 19:17:40 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc64800, vol:2, type:3, id:43
Jul 11 19:17:40 wgadmin kernel: [3762]:_reconn_entry: conn:ffff88060bc67c00
Jul 11 19:17:40 wgadmin kernel: [3762]:_async_reconn_thread: reconn to type:3, id:3, successfully
Jul 11 19:17:40 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc64e00, vol:2, type:3, id:42
Jul 11 19:17:41 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc64c00, vol:2, type:3, id:12
Jul 11 19:17:42 wgadmin kernel: (29765): mds_error: mid:1, try all slave mds failed!
Jul 11 19:17:42 wgadmin kernel: [3744]:_rc_thread: close conn:ffff88060bc63000, vol:2, type:3, id:10
Jul 11 19:17:42 wgadmin kernel: [3762]:_reconn_entry: conn:ffff88060bc67600
Jul 11 19:17:42 wgadmin kernel: [3762]:_async_reconn_thread: reconn to type:3, id:41, successfully