EPICS RE: Slow booting ioc

Experimental Physics and Industrial Control System

1994 1995 1996 1997 1998 <1999> 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024	Index	1994 1995 1996 1997 1998 <1999> 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
<== Date ==>		<== Thread ==>

Subject:	RE: Slow booting ioc
From:	Steve Lewis <[email protected]>
To:	[email protected], [email protected]
Cc:	[email protected], [email protected], [email protected]
Date:	Thu, 21 Jan 1999 13:44:55 -0800 (PST)

> > In this circumstance though the long delay seems to be on access to
> > every file, and I thought the symptoms Jeff described only occurred once
> > at startup (I may be mistaken though).
> > 
> 
> Typically I see these delays only once during the boot, but sometimes 
(usually) it is the 
> symbol table, and not the first file loaded (the system image) that seems to 
delay the boot
> for an extended period. This delay appears to track with certain models of 
single board computers 
> (SBCs) when other SPCs models boot normally off the same server. I dont claim 
to fully understand
> this behavior. The systems here with this affliction boot reliably, but 
continue to tax our patience.

I see this often (but randomly) when booting an old mv147.
I have also seen it reliably on a mv1603.

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