[Sbs] Hall A counting house computer upgrades - tomorrow, Saturday, Dec 13.

[Ole Hansen]

Hello everyone,

sorry to spring this on you on short notice, but it's probably not a big 
deal re ongoing work:

We are planning to upgrade the hardware of the counting house machines 
aonl2-aonl4 tomorrow afternoon, Saturday, Dec 13. The machines will be 
down for at least a few hours, possibly into Sunday. The work disk 
(/aonlN/work1) of each host has been backed up and will be restored 
after the upgrade. There should be no other user data on these 
hosts. Very brief network interruptions are possible, but unlikely. 
We'll let you know when things are stable again.

aonl1 and the DAQ and slow controls machines will stay up unless 
something unforeseen happens.

The new machines will be WAY faster than the ancient ones they replace, 
so there's something to look forward to.

We'll also get a new file server with O(200 TB) disk space. Details will 
be shared once it is configured.

Cheers,

Ole



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