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cluster:84 [2010/05/03 10:08]
hmeij
cluster:84 [2010/05/03 10:11]
hmeij
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 We probably should have one of each on hand.  If a server dies, for whatever reason, the spare can be put in place, and more spare parts are generated (minus the failed part). We probably should have one of each on hand.  If a server dies, for whatever reason, the spare can be put in place, and more spare parts are generated (minus the failed part).
  
-We probably do not need to be prepared to replace a failed MD1000 enclosure and can decide on that when it happens.  We do need some spare disks, say of them ($750).+We probably do not need to be prepared to replace a failed MD1000 enclosure and can decide on that when it happens.  We do need some spare disks, say of them ($750).
  
-Power fans are the most likely to go, so purchase 10 of them ($500)?  (That contains 4 fans for the servers in the ehwfd queue which currently have a single power source, leaving 6 spares). +Power fans are the most likely to go, so purchase 10 of them ($1500)?  (That contains 4 fans for the servers in the ehwfd queue which currently have a single power source, leaving 6 spares). 
  
-The DIY proposal is then to spend roughly $6,000 now, as a starting point.  Or spend it when things go awry, depends. +The DIY proposal is then to spend roughly $10K now, as a starting point.  Or spend it when things go awry, depends. 
  
 Or downsize the cluster when things go awray, anticipating the new cluster.  Petaltail and Swallowtail could take over each other's services but it would take time, and be disruptive if it is Petaltail. Rebuilding Petaltail would imply wiping Swallowtail, and afterwards, reinstalling/relicensing commercial software. Or downsize the cluster when things go awray, anticipating the new cluster.  Petaltail and Swallowtail could take over each other's services but it would take time, and be disruptive if it is Petaltail. Rebuilding Petaltail would imply wiping Swallowtail, and afterwards, reinstalling/relicensing commercial software.
cluster/84.txt ยท Last modified: 2010/05/03 10:42 by hmeij