MongoDB 同步异常 replSet error RS102 too stale to catch up

[rsSync] replSet syncing to: 192.168.1.191:10001
Fri Jun  1 08:45:26 [rsSync] replSet error RS102 too stale to catch up, at least from 192.168.1.191:10001
Fri Jun  1 08:45:26 [rsSync] replSet our last optime : May 11 04:22:25 4fac2381:2
Fri Jun  1 08:45:26 [rsSync] replSet oldest at 192.168.1.191:10001 : May 31 16:06:30 4fc72686:1
Fri Jun  1 08:45:26 [rsSync] replSet See http://www.mongodb.org/display/DOCS/Resyncing+a+Very+Stale+Replica+Set+Member
Fri Jun  1 08:45:26 [rsSync] replSet error RS102 too stale to catch up

解决方案

将问题分片停掉，备份原分片数据并新建分片文件夹，重新启动分片后MongoDB自动会重新同步问题分片。