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From Apache Wiki <>
Subject [Cassandra Wiki] Update of "FAQ" by BrandonWilliams
Date Tue, 01 Jun 2010 21:36:21 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for change notification.

The "FAQ" page has been changed by BrandonWilliams.


   * [[#no_keyspaces|Why were none of the keyspaces described in storage-conf.xml loaded?]]
   * [[#gui|Is there a GUI admin tool for Cassandra?]]
   * [[#a_long_is_exactly_8_bytes|Insert operation throws InvalidRequestException with message
"A long is exactly 8 bytes"]]
+  * [[#clustername_mismatch|Cassandra says "ClusterName mismatch: oldClusterName != newClusterName"
and refuses to start]]
@@ -281, +282 @@

+ <<Anchor(clustername_mismatch)>>
+ == Cassandra says "ClusterName mismatch: oldClusterName != newClusterName" and refuses to
start ==
+ To prevent operator errors, Cassandra stores the name of the cluster in its system table.
 If you need to rename a cluster for some reason, it is safe to remove system/LocationInfo*
if you've specified the node's token in the config file, or if you don't care about preserving
the node's token (for instance in single node clusters.)

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