---+ Previous preparatory work for PhaseC migration ---++ Administrative work * %Y% Create a new entry in twiki with details from maintenance days. * %Y% Inform Users on migration plan - target: 30/03/2010 * %Y% Take downtime window for 14/04/2010 12:00 UTC - 19/04/2010 12:00 UTC * %X% *Fix fabric inventory* with new IPs * %X% Remind VO Representatives to join the chat&test ---++ Xen hosts in production * %X% Controlled by cfengine * %X% all hosts [11-17] prepared * %X% Everything working after reboot: * %X% Access private networks * %X% Network config permanent * %X% Access Lustre ---++ Computing part * %X% Head nodes working under xen (different names when needed) * %Y% lrms02 * %Y% ce02 * %Y% ce11 (will be replaced by ce01) * %X% arc02 * %X% cream02 * %Y% Integrate Lustre on CE's * %X% rsync experiment software and software VO tags to lustre * %Y% add CE's to site-BDII (production queues disabled) / add to GOC DB * %Y% check GStat * %Y% check GStat 2.0 * %Y% check SAM * %X% Execute in advance "downtime" script on ce01 to shut off the queues in time * %X% CPU temperature checks in nagios ---++ Storage part * %Y% Chimera migration test * %M% Space reservation migration test (can't be done) * %Y% Prepare Thors filesystems * %Y% Put Thors [30-39] into production * %Y% Reboot Thors and check they work * %Y% Prepare preproduction dCache instance (different names when needed) ---++ Power consumption measurements * %Y% Ask GPM for placing probes on Worker Nodes * %Y% Make sure xen03 is measuring before the linpack test ---++ Iloms and inventory * %X% Change password in ILOMs * %X% Change names in xen16 and xen17 ---++ Other services * %X% Prepare pub * %X% *Prepare ui64/nagios* * %X% Ganglia * %Y% WN's * %Y% LCG_CE * %Y% lrms02 * %Y% arc02 * %X% se3* * .. * %X% Nagios.lcg * %X% *Backups* ---++ Security * %X% Block password-based auth/access in all machines, allow only private key ssh, * %X% *Make firewall* #6929 * %X% strip-down current authorized_keys configurations (eg. at arc01) -- Main.PabloFernandez - 2010-03-24 -- Main.FotisGeorgatos - 2010-03-25
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Topic revision: r15 - 2011-02-14 - PabloFernandez
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