Thanks River,
Though I personally have no problem with your previous announcement
about the maintenance yesterday, but this table-like notice is much
beter in my opinion.
--Krinkle
Op 11 sep 2010, om 17:26 heeft River Tarnell het volgende geschreven:
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(I have the impression that our maintenance notices are not always
very clear,
since people are sometimes surprised when we carry out previously-
announced
maintenance. So, here's a new and hopefully improved notification
format.)
This is a maintenance notification for tonight (Saturday 11th) UTC.
The
following services will be affected:
Service | Expected impact
- --------------------------------+-----------------------------------
s1 cluster | User databases unavailable for < 10 minutes
s2 cluster | Entire cluster unavailable for < 10 minutes
s3 cluster | User databases unavailable for < 10 minutes
s4 cluster | User databases unavailable for < 10 minutes
s5 cluster | Entire cluster unavailable for < 10 minutes
s6 cluster | User databases unavailable for < 10 minutes
user databases (sql) | Unavailable for < 10 minutes
user-store filesystem | Unavailable for < 20 minutes
NFS, LDAP, misc services: | None expected, but at risk during
maintenance.
SVN, phpMyAdmin, SGE, tsbot, |
mail forwarding, DNS, |
sql-toolserver database |
All other services | No impact
Start time: Sunday, 12th September, 12AM UTC
End time: Sunday, 12th September, 3AM UTC
Details:
Tonight we will complete the upgrade to Solaris 10 Update 9 on the
remaining
servers. This requires under 10 minutes downtime while each system
reboots.
Since we will be upgrading the primary server in each cluster, which
holds user
databases, these will be unavailable during the reboot. Access to
replicated
databases will not be interrupted, since queries will be directed to
the
alternative server while one is rebooted.
The exception is s2/s5 and sql (user databases), which currently
have only one
server. They will therefore be unavailable during the reboot.
- river.
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