Thursday, October 26, 2006

Server upgrades

We're in the middle of upgrading the Operating System on all the eclipse.org servers. One aspect of this that saddens me is that I'll lose the great uptime on our main backend server:

top - 10:56:54 up 471 days, 3:45, 3 users, load average: 2.79, 2.65, 2.70
Tasks: 120 total, 2 running, 118 sleeping, 0 stopped, 0 zombie
Cpu0 : 1.0% us, 3.0% sy, 0.0% ni, 72.8% id, 20.6% wa, 0.2% hi, 2.4% si
Cpu1 : 2.4% us, 3.6% sy, 0.0% ni, 68.7% id, 22.4% wa, 0.4% hi, 2.6% si
Cpu2 : 2.6% us, 3.6% sy, 0.0% ni, 67.7% id, 23.3% wa, 0.2% hi, 2.6% si
Cpu3 : 2.8% us, 4.0% sy, 0.0% ni, 69.4% id, 21.2% wa, 0.4% hi, 2.2% si
Cpu4 : 1.4% us, 3.4% sy, 0.0% ni, 70.3% id, 22.2% wa, 0.2% hi, 2.6% si
Cpu5 : 5.4% us, 3.8% sy, 0.0% ni, 68.7% id, 19.5% wa, 0.4% hi, 2.2% si
Cpu6 : 1.8% us, 3.0% sy, 0.0% ni, 67.1% id, 25.3% wa, 0.4% hi, 2.4% si
Cpu7 : 3.2% us, 3.6% sy, 0.0% ni, 66.1% id, 24.4% wa, 0.4% hi, 2.4% si
Mem: 15914544k total, 15873464k used, 41080k free, 1391884k buffers
Swap: 1050616k total, 372k used, 1050244k free, 11508488k cached

This massive IBM P5 550 server has been working flawlessly for 471 days (knock on wood ;-)), and if you look at the numbers above (assuming you know how to read them) you'll understand that this server doesn't just idly sit there and look pretty. It does some heavy lifting, as it's the eclipse.org master NFS/storage backend, the master LDAP server and a slave MySQL database server.

When did we put this server online? Why not ask MySQL:
mysql> select date_sub(date_sub(now(), interval 471 day), interval 11 hour) AS date_enabled;
+---------------------+
| date_enabled |
+---------------------+
| 2005-07-11 23:55:26 |
+---------------------+

It was a late night... We're planning on upgrading it in early December, where it will have passed the 500-day uptime mark. You can read about our upgrade plan here: http://wiki.eclipse.org/index.php/SLES_10_Upgrade_Plan

If there are other SysAdmins out there with great uptimes like this one, post them here!

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