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View Full Version : FQuest Notice: 6th and 7th Gen server maintenance


Terra
11-21-2000, 07:05 AM
When: 11/22/00 between 1:00am - 5:00am EST
Span: <15 min
Which: 6th and 7th Gen servers
PHOENIX | DEXTER | DEEDEE
RASMUS | QBERT

What: Kernel Upgrade

Problem: There have been some stability problems caused by deadlocks in the ReiserFS kernel code...[nbsp][nbsp]I got a major break this evening when RASMUS went into a deadlock...[nbsp][nbsp]From piecing the puzzle together, it was determined to be a deadlock between the VM (Virtual Memory), scheduler, and Metadata flushing...

Resolution: Patch the Linux + ReiserFS kernel core to move metadata flushes away from the scheduler...[nbsp][nbsp]This should eradicate the (rare) deadlocks we've experienced...

--
Andrew Gillespie
Systems Administrator
FutureQuest, Inc.

PaulKroll
11-21-2000, 11:39 AM
Hope you're passing this along to the ReiserFS folks! :)

Terra
11-22-2000, 04:53 AM
The upgrades are now underway, with QBERT just being upgraded...

Servers will fall in reverse order...

--
Terra
sysAdmin
FutureQuest

Terra
11-22-2000, 05:50 AM
All upgrades are now complete...

--
Terra
--Tis shocking how many emails can be received for a 5-min downtime--
FutureQuest