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Cluster Server Help Needed ASAP

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by sselinger

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I am going on a rescue mission this weekend. A local business has sold a cluster server which is not configured correctly. I have been doing alot of research but am looking for tips and "gotcha's" of cluster servers. The cluster is made up of two"home made" servers sharing a RAID 5 SCSI disk array with a global spare. The problem is that when Windows 98 clients connect they often lose their home folders. This is a very big problem for the client as they need these home folders. OS is NT4.0 Enterprise SP6A. Any help would be appreciated before tomorrow and I will update this question as required.

5 replies

by drdon

Some things to check quickly, are the home folders listed as a shared resource on the cluster RAID? Use cluster administrator to check. Also, is your cluster set up to fail over? Do all the users have access to the Cluster? User Manager for Domains to verify.

If the folders are on the cluster, and they have rights to the cluster (not just the folder) check the configuration of each server node in the cluster and verify that during the fail over you can still access the cluster via an IP ping to its address.

Of course also check driverf for the shared SCSI media (RAID controler) as well as LUN setting SCSI in Control Panel will help.
Good luck!

by ramy naguib

First of all ,you should make sure that online rebuilding (HotSpare or auto-rebuild )is not supported on the shared Disks as if an automatic rebuildes happens ,both the SCSI CARD (one in each servers) will try to accomplish the rebuilding process which will lead to data correption and both servers to hang.
2-From clusterAdmin utility ,make sure the virtual server (the shared storage)is configured properly and all its resources (Physical Disk +IP address +Network Name +the share name )are online.
3- From the ClusterAdmin ,make sure that the properties of the shared directory (the same as in a stand alone server) has the righ security and share properties for the users, prefarably put all you users in a group (NT Global group ) and give this grpoup the priviledge you want on the shared directory.
4-Note that :if the cluster is configured properly ,simply apply almost all the experience you have on a sigle NT servers on it but refer to MS documentation to know when to use the ClusterAdmin.

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