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Inserting a blade into a chassis that is using high availability (HA) is configured for 'between clusters' can cause data loss in the SessionDB. This includes iRule table command as well as entries stored in the SessionDB from modules.
Data loss of some SessionDB entries.
HA in use 'between clusters'.
In order to cleanly add a blade, put the setting from 'between clusters' to 'within cluster'; then add the new blade(s) to both clusters. Wait 60 seconds, then restore the HA connection to 'between clusters'
PEM sessions are now retained when new blade is inserted in chassis when using 'between clusters'.
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