MongoDB - replSet initial sync exception (Looping) -


i have existing mongodb replica set 180gb of data (including indexes).

i adding new member replica set, in different data centre existing members, max supported disk io of new member 32mb/s means time of around 90 minutes data pulled primary.

i setup new replica set per usual, providing keyfile , replica set name, , doing add member on primary.

however, new database pulls data, rebuilds indexes, , complains lost connection. here extract logs when finishes building last index:

mongod.log:22791 [rssync] build index done.  scanned 67083700 total records. 5615.59 secs mongod.log:22792 [rssync] socket send() errno:110 connection timed out *.*.*.*:27017 mongod.log:22793 [rssync] replset initial sync exception: 9001 socket exception [send_error] server [*.*.*.*:27017]  8 attempts remaining

this initial sync exception goes on delete data files, , begin syncing again!

this has happened 4 times far, not intermittent connection issue.

primary version: 2.6.5

new member version: 2.6.9

any points why occurring helpful.


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