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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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teknite
Asked:
teknite
1 Solution
 
ThorinOCommented:
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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Cliff GaliherCommented:
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-RosevilleCommented:
What is reporting this error? windows or 3rd party app?
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tekniteAuthor Commented:
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.
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Expetec-RosevilleCommented:
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.
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tekniteAuthor Commented:
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 EtteCommented:
- Check the application event logs during the same time period to find any application activity causing this.

- Does the shadow copies enabled on the drives? If yes, disbale them for couple of days.
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tekniteAuthor Commented:
sorry for delay shreedhar, will check this today
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Ady FootSharePoint ConsultantCommented:
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
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tekniteAuthor Commented:
identified that shadow copy was doing this.
thanks
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