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Marc JacobsFlag for United Kingdom of Great Britain and Northern Ireland

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SBS2003 reporting false low disk space

Hi,

We have a clietn SBS 2003 SP2 server that reports the C drive is 200-300mb free, yet when logging onto the server its approx 9gb free.
it happens roughly around the same time everyday and not sure why.
Thanks
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ThorinO
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Are you using some server monitoring system that reports it then later logging in and seeing it not correct? It could be that the server is doing something during that time period that is taking up space (backup, updates, etc) then cleaning up after itself.
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First guess is you have something that actually *is* chewing up that space temporarily.  Tough to be more specific, but a couple of random times I've seen this:

1) WSUS was configured to download a large service pack. The service pack was larger than the free space so the download would chew up nearly all of the disk space, then fail, then the OS would delete the partial downoad and space appeared fine by the time it was checkedon.

2) SQL server logs were set to roll over every 24 hours, again would grow slowly, finally roll and so space appeared fine.

3) I've seen 3rd-party apps same as #2.

In short, I've *never* seen SBS lie about disk space. I have seen apps temporarly use and then release disk space. I'd plan on troubleshooting from that perspective.


-Cliff
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Expetec-Roseville

What is reporting this error? windows or 3rd party app?
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ASKER

Hi Thanks for your comments.
i did think about something happening every night, but using nearly 8.5gb doesn't seem right.
Windows SBS monitoring is reporting the low disk space and i agree i've never seen sbs not be correct on its low disk space.
we dont use WSUS, backups run around now, where as message comes around 9pm-10pm.
What anti virus are you running? i've seen corporate anti viruses hog upwards of 10 GB when they run their updates and push data to the network.  SBS is also by default configured to automatically do backups nightly, you might want to check your backup settings.
SBS backup is not set, we are using a 3rd party remote backup program.
Mcafee Anti Virus is being used and this updates at 4am each day
Thanks
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Shreedhar Ette
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sorry for delay shreedhar, will check this today
Hi teknite,

Did you manage to resolve this?  I suspect that disk quotas may have something to do with the problem you're experiencing.  

If you resolved the issue, please close the question appropriately.

Regards,

Ady
identified that shadow copy was doing this.
thanks