Cluster exceptions: Difference between revisions

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* UID/GID is shared from [[Cluster 2]] to [[Cluster 3]] but not strictly enforced.  
* UID/GID is shared from [[Cluster 2]] to [[Cluster 3]] but not strictly enforced.  
* disks from [[Cluster 2]] are exported read-only to [[Cluster 7]] during the transition from 2 to 7.  
* disks from [[Cluster 2]] are exported read-only to [[Cluster 7]] during the transition from 2 to 7.  
* we will experiment with SAMBA (yes, SAMBA) exports from cluster 2/7 to [[Cluster 8]] aka coreHPC.  Research only.  
* We will experiment with SAMBA (yes, SAMBA) exports from cluster 2/7 to [[Cluster 8]] aka coreHPC.  Research only.  
* we tried nfs export from [[Cluster 2]] to [[Cluster 3]] shared/wynton. This was a disaster. Jobs running on wynton overloaded our nfs servers and made them unusable.  
* The DNS server for [[Cluster 2]] is subservient to the DNS server for [[Cluster 0]]. All other DNS servers have zero inter-dependencies.
* currently all www gateways are hosted on cluster 2. We will establish a www server on cluster 7 as soon as we can. We are also investigating hosting some of our www traffic on cluster 8.  
* We tried nfs export from [[Cluster 2]] to [[Cluster 3]] shared/wynton. This was a disaster. Jobs running on wynton overloaded our nfs servers and made them unusable.  
* Currently all www gateways are hosted on cluster 2.
* We plan to establish a www server on cluster 7 and begin migrating services.
* We are also investigating hosting some of our www traffic on cluster 8.


No other exceptions known.
No other exceptions known.

Latest revision as of 17:56, 29 June 2026

These are exceptions to the "each cluster is separate" rule.

  • UID/GID is shared from Cluster 2 to Cluster 3 but not strictly enforced.
  • disks from Cluster 2 are exported read-only to Cluster 7 during the transition from 2 to 7.
  • We will experiment with SAMBA (yes, SAMBA) exports from cluster 2/7 to Cluster 8 aka coreHPC. Research only.
  • The DNS server for Cluster 2 is subservient to the DNS server for Cluster 0. All other DNS servers have zero inter-dependencies.
  • We tried nfs export from Cluster 2 to Cluster 3 shared/wynton. This was a disaster. Jobs running on wynton overloaded our nfs servers and made them unusable.
  • Currently all www gateways are hosted on cluster 2.
  • We plan to establish a www server on cluster 7 and begin migrating services.
  • We are also investigating hosting some of our www traffic on cluster 8.

No other exceptions known.

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