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User profile for user: tariqmc
tariqmc Author
User level: Level 1
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Time Machine Service Page in Server App says "Error Reading Settings"

I have a Mac Mini running 10.8.3.

For some reason the Time Machine Page in the Server App refuses to work properly. If I reboot the server it looks fine for about 10 minutes. It displays the backup location and the list of individual backups. Then I get this message:


25/03/2013 14:37:51.673 Server[286]: Error: The server '127.0.0.1' reported an error while processing command of type: 'readSettings' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7fdc1b2445e0 {NSLocalizedDescription=An unknown error occurred}


Also the Time Machine page in Server Apps is blank apart from "Error Reading Settings" and the slider at the top says Time Machine is off.


However Time Machine does work for some clients.


Anyone got any idea?


I think it started having problems when I got a "The network confirguration has changed" alert.

Mac mini, OS X Server

Posted on Mar 25, 2013 8:16 AM

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14 replies
User profile for user: tariqmc
tariqmc Author
User level: Level 1
0 points

Mar 27, 2013 5:00 AM in response to tariqmc

Hi Linc Davis


here are the logs from reboot to failure to load:


26/03/2013 16:57:50.256 servermgrd[1379]: [1379] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 16:59:55.633 servermgrd[1527]: [1527] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 17:01:58.077 servermgrd[1546]: [1546] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 17:04:03.937 servermgrd[1561]: [1561] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 17:04:05.220 Server[1154]: Error: The server '127.0.0.1' reported an error while processing a command of type: 'readSettings' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7ffac4620f20 {NSLocalizedDescription=An unknown error occurred}

26/03/2013 17:06:07.359 servermgrd[1666]: [1666] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 17:06:07.829 Server[1154]: Error: The server '127.0.0.1' reported an error while processing a command of type: 'getBackups' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7ffac480f000 {NSLocalizedDescription=An unknown error occurred}

26/03/2013 19:18:51.737 servermgrd[1678]: [1678] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:18:51.777 servermgrd[1678]: [1678] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:20:55.346 servermgrd[2846]: [2846] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:20:55.381 servermgrd[2846]: [2846] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:22:57.682 servermgrd[2861]: [2861] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:22:57.683 servermgrd[2861]: [2861] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:22:58.114 Server[1154]: Error: The server '127.0.0.1' reported an error while processing a command of type: 'readSettings' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7ffac4836250 {NSLocalizedDescription=An unknown error occurred}

26/03/2013 19:25:00.016 servermgrd[2872]: [2872] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:25:00.135 Server[1154]: Error: The server '127.0.0.1' reported an error while processing a command of type: 'readSettings' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7ffac494c120 {NSLocalizedDescription=An unknown error occurred}

26/03/2013 19:26:02.690 Server[1154]: Error: The server '127.0.0.1' reported an error while processing a command of type: 'getBackups' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7ffac4826a80 {NSLocalizedDescription=An unknown error occurred}

26/03/2013 19:33:51.868 servermgrd[2886]: [2886] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:33:51.901 servermgrd[2886]: [2886] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:35:54.539 servermgrd[2932]: [2932] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:35:54.580 servermgrd[2932]: [2932] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:37:56.926 servermgrd[2947]: [2947] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:37:57.424 Server[1154]: Error: The server '127.0.0.1' reported an error while processing a command of type: 'readSettings' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7ffac472ad50 {NSLocalizedDescription=An unknown error occurred}

26/03/2013 19:39:59.284 servermgrd[2958]: [2958] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:40:01.135 Server[1154]: Error: The server '127.0.0.1' reported an error while processing a command of type: 'getState' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7ffac4657ce0 {NSLocalizedDescription=An unknown error occurred}

26/03/2013 19:42:04.286 servermgrd[2973]: [2973] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:42:04.322 servermgrd[2973]: [2973] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

26/03/2013 19:45:20.502 Server[1154]: Error: The server '127.0.0.1' reported an error while processing a command of type: 'getState' in plug-in: 'servermgr_timemachine'. Error: Error Domain=XSActionErrorDomain Code=1000 "An unknown error occurred" UserInfo=0x7ffac43f84a0 {NSLocalizedDescription=An unknown error occurred}

27/03/2013 11:56:52.191 servermgrd[110]: [110] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

27/03/2013 11:58:54.217 servermgrd[371]: [371] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

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User profile for user: bellhaven
bellhaven
User level: Level 1
10 points

Jul 5, 2014 10:51 AM in response to Chris_Fon

I may have finally fixed it for myself by doing the following...


Open Terminal and go to the path you have set for your Time Machine Server backup Destination. In that folder there are two files:


.com.apple.TimeMachine.quota.plist

.com.apple.timemachine.supported


Given the error message stating 'Error Reading Settings', I thought it may be a permission issue. So, I just opened up those 2 files to full read-write from everyone. I haven't dialed it back to make the files more secure than that yet, but doing this isn't exactly good security practice:


sudo chmod a+rwx .com.apple.*


I haven't gotten the error message since doing this (although I'm surely jinxing myself).

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User profile for user: Michael Newbery
Michael Newbery
User level: Level 4
2,408 points

Jul 19, 2014 3:36 AM in response to tariqmc

I am seeing something similar, although my setup is a little more complicated (the Time Machine disks are on a ZFS RAIDZ set, running Open ZFS on OS X (O3X).


I have been looking around using dtruss and the like and as far as I can see, the

servermgrd[1379]: [1379] error in getAndLockContext: flock(servermgr_timemachine) FATAL time out

are just the Server admin locking a semaphore to prevent another instance of itself from changing things. Do you have multiple instances of Server running? For instance, one on the Mac Mini and another monitoring from another Mac?


Also, have you done a backup, and are some of the backups (the sparse bundles) very large, of the order of hundreds of GB?

My running dtruss shows that servermanagerd is touching every 8M file in the band directory, and there are thousands!

$ ls -alh /TM/user/machinename.sparsebundle/bands|wc

63098 567875 3466044

(Output from dtruss)

13297/0x734c1: 11213 open_nocancel("TM/user/machinename.sparsebundle/bands\0", 0x1100004, 0x1)= 31 0
13297/0x734c1: 11217 fstatfs64(0x1F, 0x110D41378, 0x0)= 0 0
13297/0x734c1: 11461 getdirentries64(0x1F, 0x7F9A40832000, 0x1000)= 4096 0
13297/0x734c1: 11559 getattrlist("TM/user/machinename.sparsebundle/bands/13167\0", 0x7F9A45120F24, 0x7F9A408AB680)= 0 0
13297/0x734c1: 19965 getattrlist("TM/user/machinename.sparsebundle/bands/965d\0", 0x7F9A45120F24, 0x7F9A41087C80)= 0 0
13297/0x734c1: 26162 getattrlist("TM/user/machinename.sparsebundle/bands/2ad3\0", 0x7F9A45120F24, 0x7F9A4084C080)= 0 0
13297/0x734c1: 26269 getattrlist("TM/user/machinename.sparsebundle/bands/1422b\0", 0x7F9A45120F24, 0x7F9A4084C680)= 0 0
13297/0x734c1: 26353 getattrlist("TM/user/machinename.sparsebundle/bands/2d82\0", 0x7F9A45120F24, 0x7F9A40844080)= 0 0

and so on, for tens of thousands of lines.


If you use the CLI, I suspect you'll find all is working.

% sudo serveradmin fullstatus timemachine

timemachine:command = "getState"

timemachine:state = "RUNNING"


The following command should list all the settings:

% sudo serveradmin settings timemachine

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Time Machine Service Page in Server App says "Error Reading Settings"

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