# About of aerospike XDR synchronize

**URL:** <https://discuss.aerospike.com/t/about-of-aerospike-xdr-synchronize/8642>\
**Category:** General Discussion\
**Created:** [July 19, 2021, 6:50am UTC](https://discuss.aerospike.com/t/about-of-aerospike-xdr-synchronize/8642 "2021-07-19T06:50:38Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![alex](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.aerospike.com/alex/32/1645_2.png) [@alex](https://discuss.aerospike.com/u/alex)\
**Post date:** [July 19, 2021, 6:50am UTC](https://discuss.aerospike.com/t/about-of-aerospike-xdr-synchronize/8642/1 "2021-07-19T06:50:38Z")

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Hi guys:

i am migrating aerospike cluster , the old cluster have six nodes, the new cluster have five nodes.

I want to synchronize the two clusters via XDR.

However i have 40 billion on old cluster. has been sync 4 days or so, only sync 10 billion on new cluster.

and lag is 0 via aerospike xdr log. it`s really weird.

would you help me check configure ?

```auto
1、asinfo -v "set-config:context=xdr;dc=new-dc;action=create"
2、asinfo -v 'set-config:context=xdr;dc=new-dc;node-address-port=10.112.5.25:3000;action=add'
3、asinfo -v 'set-config:context=xdr;dc=new-dc;node-address-port=10.112.5.25:3000;namespace=ssd_user;action=add;rewind=all'

```

the 10.112.5.25 is one of new cluster node.

I have previously migrated a cluster of 6 nodes through XDR. Each node has a one-to-one correspondence.

For example, node A of the old cluster corresponds to node A of the new cluster.

But this time the number of nodes in the two clusters is different, and I am not sure if I am doing this correctly. I hope you can give some help and suggestions.

Thanks in advance.

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<div class="post-metadata">

**Author:** ![meher](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.aerospike.com/meher/32/1644_2.png) [@meher](https://discuss.aerospike.com/u/meher)\
**Post date:** [July 19, 2021, 11:22pm UTC](https://discuss.aerospike.com/t/about-of-aerospike-xdr-synchronize/8642/2 "2021-07-19T23:22:11Z")

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Seems this is a duplicate of this one: [About of aerospike XDR configurations](https://discuss.aerospike.com/t/about-of-aerospike-xdr-configurations/8639). Added a reply there.

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**Author:** ![system](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.aerospike.com/system/32/2274_2.png) [@system](https://discuss.aerospike.com/u/system)\
**Post date:** [July 19, 2022, 11:23pm UTC](https://discuss.aerospike.com/t/about-of-aerospike-xdr-synchronize/8642/3 "2022-07-19T23:23:04Z")

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