Problem with lockfiles, and file ownership(?)

[Del]

Ok, I turned off write caching on my C drive, which is the only drive used for 
actual processing - I have a couple of external USB drives that I only use for 
backup - but it made no difference, the errors still occurred.

However, I did more testing of the same process - I tried running it on my 
backup PC, and it ran without error several times.  I also tested it on my 
client's PC, and it also multiple times without error.  So it appears that the 
errors are only happening on my system.  At least that is how it looks at the 
moment, since it won't fail on the other systems I have tested it on.  However, 
I would certainly like to discover why it fails on my system, because I won't 
feel comfortable putting it in production for my clients unless I know it is not 
going to crash at some point in the future.  I turned off my Western Digital 
real time backups, but that made no difference either.  Still searching for 
ideas.

Del

-----Original Message----- 
From: Kenneth Brody via Filepro-list
Sent: Tuesday, February 09, 2016 10:33 AM
To: rdfreedman BellSouth ; filepro-list at lists.celestial.com
Subject: Re: Problem with lockfiles, and file ownership(?)

On 2/8/2016 10:30 PM, rdfreedman BellSouth via Filepro-list wrote:
> Over many years, I have experienced the problem described.
>
> Adding a delay after a write sometimes was a fix. Not much so if several 
> users.
>
> The following usually always fixed it (I have always had backup power on all
> equipment; router, switches, computers, etc.
>
> To work around this problem (windows), follow these steps:
[... disable write cache ...]

Note that the only "real" problem that write cache introduces is lost data
if there is a system crash after the data is "written" to the cache and
before it gets written to the physical drive.

It has no effect on reading the still-in-cache data.

-- 
Kenneth Brody
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