Erfolg! Aus den Coraid EtherDrive HBA for Solaris Release Notes v6.0.5-R2 vom 14.2.2013:
Release Note Summary for v6.0.5
Resolved Issue:
RSF-1 cluster heartbeat timeouts
Nexenta no longer reports RSF-1 cluster heartbeat timeouts when small write/reads
are issue[sic] to one or more target LUNs.