[Vagnekman-users] Re: Information about Ekman service windows during the next two to three weeks

[lama at pdc.kth.se]

Hello again,

there are unfortunatelly further delays in the delivery of CPUs.

The start of the upgrade is postponed until Thursday morning.
This is reflected in the output of, i.e. spstatus or spq

ekman$
ekman$ spstatus
[..]
---- System Actualities ----

Note: All reserved between 2009-08-17/09:00:00 and 2009-08-17/12:00:00 (3h)
Note: All reserved between 2009-08-20/09:00:00 and 2009-08-21/09:00:00 (24h)
ekman$

No jobs are allowed to execute over the above reservations. The
above window(s) are not static. Once the upgrade work is flowing,
we will try to make a sub-set of the system available for jobs.

We are sorry for the inconvenience.

regards,
lars/pdc-staff.

  [..]

>> Due to delays in delivery of the CPUs the update schedule will be
>> revised as follows:
>> All replacements will be carried out between 17/8 and 21/8. We will
>> make an effort to keep as many nodes as we can available during the
>> upgrade but there may be as few as about 230 nodes available during
>> that period (these 230 nodes were upgraded the last week).
>> Also - Please note that from now until all nodes has been updated
>> Ekman will contain nodes with two different CPU's. We expect the
>> performance difference to be very small but you should still be aware
>> that there may be some. If you want to know the cpu version on the
>> node you are running on you can always do:
>> grep "model name" /proc/cpuinfo | sort --unique

  [..]