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Clustered NAS meets GPFS - Samba

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● On failover<br />

CLIENT<br />

2: ACK: SEQ N<br />

3: SYN<br />

TCP tickle ACK<br />

● new node constructs raw ACK, sequence 0<br />

● client sends ACK reply, correct sequence<br />

● new node sends RST<br />

● client re-establishes transport<br />

OLD<br />

1: ACK: SEQ 0<br />

NEW<br />

3: RST: SEQ N

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