vSphere Client Task and Event Logging persistence question

What determines how much task and event logging is maintained in vSphere client 4 and/or 5?  I am trying to correlate some events and in one case I have only two days of tasks to look at and the other three.  Might I be able to find the more logs elsewhere than the vSphere client GUI?  Perhaps on /var/log of one of the ESX hosts or elsewhere?  Thank you.
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amigan_99Network EngineerAsked:
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amigan_99Network EngineerAuthor Commented:
And a related question - by default how long are Tasks and Events maintained in the Tasks and Events tab?  It looks like if you go to Administration/vCenter Server Settings/Database Retention Policy you can click radio buttons enabling retention for a suggested 180 days (adjustable.)  But if you did not go in an check those radio boxes at setup - how many days of tasks and events should there be?
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If you are only using the vSphere Hypervisor (ESXi) without vCenter, which records the Tasks and Events to a database, 1 day or less before they are over written or disposed of.

as for vKernel Events, you should setup a Syslog Server for these to be logged to.
amigan_99Network EngineerAuthor Commented:
We are using vCenter.  So how long should it keep tasks and events by default?  

Yeah - syslog.  Wish I had that setup a few days ago.  It is now!  :-)
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Task and Events will be logged in the database, but they do roll over, depending on how busy you vCenter is.
amigan_99Network EngineerAuthor Commented:
Ok I found the answer.  In the vsphere client - Edit/Client Settings/List: Page Size.  Bump this up from the default 100 to 1000 and you can see much more of the past tasks and events.  And if you go into each ESX host and go to tasks/events bar you can see even farther back.

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amigan_99Network EngineerAuthor Commented:
This let me correlate events I thought were lost to roll-over.
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