Bidirectional sync of a volume still not a "native" option?

[Stormont]

We have two clusters in two sites and we want to have a volume on each cluster that is synced bidirectionally with RW access on each volume.  Looking at other posts, it seems like this still isn't a "native" option using SnapMirror, SnapVault, or even SyncMirror and if we want to do that we need a 3rd party product like PeerSync, is that correct?

[nboggs · Accepted solution]

Yes that is correct.  All snapmirror, vault,etc really on one volume being read/write the target volume being type data protection that keeps it from being written to unless the snapmirror relations is broken.

[paul_stejskal]

That is what Flexcache is for.

How far are the sites away?

[Stormont]

60 miles with a 1 gig P2P connection between them

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[paul_stejskal]

Flexcache may be a good option here then.