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March 2013
Dell EqualLogic Configuration Guide v14.1
6-53
Figure 17
Tracked changes written to the SyncAlternate volume
6.2.9
SyncActive volume unavailable
If a malfunction occurs in the SyncActive pool, or some other event has occurred causing the volume
to go offline, you can safely switch or failover to the SyncAlternate volume by following one of the
procedures listed below.
•
Volume In Sync
: If the volume is in sync, you may switch to the SyncAlternate as documented in
the online help. Although host access to the volume is disrupted during the switch, no initiator
changes are required.
•
Volume Out of Sync
: If the volume is out of sync, the group administrator performs the steps
outlined in the online help to safely restore access to the volume:
Table 22 below gives a comparison between traditional replication and SyncRep.