Please note that the SMB/CIFS protocol itself does not gracefully recover from a failover. SMB2 is much better in this regard. This is a client-side problem due to limitations in the protocol and client expectations.
Chris -)----- Frank de Groodt wrote: > Make sure you use virtual public ip addresses managed by CTDB, not the ones > bound to your NICS. > > Frank. > ________________________________________ > From: [email protected] [[email protected]] On > Behalf Of Abhijith Das [[email protected]] > Sent: Tuesday, June 22, 2010 4:33 PM > To: linux clustering > Cc: Sumit Bose; Gunther Deschner; Simo Sorce > Subject: Re: [Linux-cluster] Samba Statefull Failover > > ----- "Jason Fitzpatrick" <[email protected]> wrote: > >> From: "Jason Fitzpatrick" <[email protected]> >> To: [email protected] >> Sent: Tuesday, June 22, 2010 6:43:36 AM GMT -06:00 US/Canada Central >> Subject: [Linux-cluster] Samba Statefull Failover >> >> Hi all >> >> Just wondering if it is possible to statefully migrate smb >> connections >> between cluster nodes, I am running ctdb (Samba's Cluster software) >> but all connections are dropped when the service is failed between >> nodes >> >> Setup is as follows >> >> 2 node cluster >> DRBD backend shared storage in Master Master configuration >> cman presenting GFS2 /Storage folder >> Samba + Winbind + CTDB used to present /Storage/Test_Share via >> \\clustername\test_share (both nodes are AD integrated) >> >> Connections to replicated storage are working fine, AD accounts are >> authenticated correcly and smbstatus shows that CTDB is load >> ballancing the cluster address between nodes correctly, >> >> When I run ctdb shutdown I expect existing connections to be migrated > > Also, I think "ctdb shutdown" is not the right command (Use "ctdb disable", it > should all be in the man pages). Only one node should fail so that the > other node can take over the IP address. If the IP address is not taken > over, the clients will probably not be able to reconnect. > > Cheers! > --Abhi > > -- > Linux-cluster mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/linux-cluster > > -- > Linux-cluster mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/linux-cluster -- "Implementing CIFS - the Common Internet FileSystem" ISBN: 013047116X Samba Team -- http://www.samba.org/ -)----- Christopher R. Hertel jCIFS Team -- http://jcifs.samba.org/ -)----- ubiqx development, uninq. ubiqx Team -- http://www.ubiqx.org/ -)----- [email protected] OnLineBook -- http://ubiqx.org/cifs/ -)----- [email protected] -- Linux-cluster mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-cluster
