Re: Disappearing disk space?
- From: v-terliu@xxxxxxxxxxxxxxxxxxxx (Terence Liu [MSFT])
- Date: Mon, 02 Jul 2007 09:17:40 GMT
Hello Nik,
Thank you for kind reply.
I was just writing to say that I hope everything is going well.
If there's anything else I can do for you, please do not hesitate to let me
know.
Thank you and have a nice day,
Best regards,
Terence Liu(MSFT)
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
=====================================================
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--------------------
| From: "nik" <nik_AT_cict.co.uk>
| References: <eKPwf89tHHA.576@xxxxxxxxxxxxxxxxxxxx>
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| Subject: Re: Disappearing disk space?
| Date: Fri, 29 Jun 2007 12:14:19 +0100
| Lines: 491
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| Hi Terence - thankyou for posting this list, it's very useful information.
|
| However, I switched off the AV scanning completely last night and the
| problem recurred, so although I'll reconfigure the scanning according to
| your advice, it's now clear that AV activity wasn't causing the huge
| SMSMonitoring log. I watched the log build up last night, and it happens
| very quickly - 2Gb in about 5 minutes - and I stopped it by rebooting the
| server. I have one more experiment to try tonight, and if that doesn't
| solve the problem, I'll try reinstalling the monitoring component as you
| suggest.
|
| Thanks again for all your suggestions.
| Regards
| Nik
|
|
| "Terence Liu [MSFT]" <v-terliu@xxxxxxxxxxxxxxxxxxxx> wrote in message
| news:EnDd%232fuHHA.360@xxxxxxxxxxxxxxxxxxxxxxxxx
| > Hello Nik,
| >
| > For your concern about: Is there anywhere I can obtain a complete list
of
| > folders to exclude?
| >
| > We do not have a complete list of the exceptions folders, however, you
can
| > refer to the following lists:
| >
| > Consider the following file scanning exceptions for your Anti-Virus
| > software where applicable:
| >
| > NOTE: The %systemroot% is normally the C:\WINDOWS or C:\WINNT directory
| > depending on your OS.
| >
| > 1.) %systemroot%\System32\Spool (and all the sub-folders and files)
| > 2.) %systemroot%\SoftwareDistribution\Datastore
| > Refer to the following article for information:
| > KB822158 - Virus scanning recommendations for computers that are running
| > Windows Server 2003, Windows 2000, or Windows XP
| > http://support.microsoft.com/kb/822158
| > 3.) Any Network Drives that are mapped.
| >
| > The following steps are Server Role specific:
| > ==========================================================
| > 1.) If your system is also a Domain Controller (DC) / DNS / DHCP also
| > exclude the following from Anti-Virus Scanning:
| > a.) %systemroot%\Sysvol folder (include all the sub-folders and files)
| > b.) %systemroot%\system32\dhcp folder (include all the sub-folders and
| > files)
| > c.) %systemroot%\system32\dns folder (include all the sub-folders and
| > files)
| > d.) %systemroot%\ntds
| > Refer to the following article for information:
| > KB822158 - Virus scanning recommendations for computers that are running
| > Windows Server 2003, Windows 2000, or Windows XP
| > http://support.microsoft.com/kb/822158
| >
| > 2.) If File Replication (NTFR) service is running on your system, make
| sure
| > your Anti-Virus software is compatible:
| > KB815263 - Antivirus, backup, and disk optimization programs that are
| > compatible with the File Replication Service
| > http://support.microsoft.com/kb/815263
| > And exclude:
| > a.) %systemroot%\ntfrs folder (include all the sub-folders and files)
| > b.) Files that have the .log and .dit extension
| >
| > 3.) If you have IIS installed, exclude:
| > a.) The IIS compression directory (default compression directory is
| > %systemroot%\IIS Temporary Compressed Files)
| > b.) %systemroot%\system32\inetsrv folder
| > c.) Files that have the .log extension
| > Refer to the following knowledge base articles for reference:
| > KB817442 - IIS 6.0: Antivirus Scanning of IIS Compression Directory May
| > Result in 0-Byte File
| > http://support.microsoft.com/kb/817442
| > KB821749 - Antivirus software may cause IIS to stop unexpectedly
| > http://support.microsoft.com/kb/821749
| >
| > 4.) If you have SQL installed, you may want to exclude the SQL folder
and
| > databases files (or database file types) from scanning for performance
| > reasons:
| > KB309422 - Guidelines for choosing antivirus software to run on the
| > computers that are running SQL Server
| > http://support.microsoft.com/kb/309422
| >
| > 5.) If you have Exchange installed, perform the relevant file-based
| > scanning exclusions listed in Knowledge Base articles:
| > KB328841 - Exchange and antivirus software
| > http://support.microsoft.com/kb/328841
| > KB823166 - Overview of Exchange Server 2003 and antivirus software
| > http://support.microsoft.com/kb/823166
| > KB245822 - Recommendations for troubleshooting an Exchange Server
computer
| > with antivirus software installed
| > http://support.microsoft.com/kb/245822
| >
| > 6.) If you have Cluster services, make sure your Anti-Virus software is
| > compatible:
| >
| > KB250355 - Antivirus Software May Cause Problems with Cluster Services
| > http://support.microsoft.com/kb/250355
| > NOTE: If you have a SQL cluster, make sure that you exclude these
| locations
| > from virus scanning:
| > a.) Q:\ (Quorum drive)
| > b.) %systemroot%\Cluster
| > c.) SQL Server data files that have the .mdf extension, the .ldf
| extension,
| > and the .ndf extension
| >
| > 7.) If you have Sharepoint installed, you should exclude:
| > a.) Drive:\Program Files\SharePoint Portal Server
| > b.) Drive:\Program Files\Common Files\Microsoft Shared\Web Storage
System
| > c.) Drive:\MSDEDatabases (particularly on SBS)
| > (where Drive: is the drive letter where you installed SharePoint Portal
| > Server)
| > Refer to the following knowledge base articles for reference:
| > KB320111 - Random Errors May Occur When Antivirus Software Scans
Microsoft
| > Web Storage System
| > http://support.microsoft.com/kb/320111
| > KB322941 - Microsoft's Position on Antivirus Solutions for Microsoft
| > SharePoint Portal Server
| > http://support.microsoft.com/kb/322941
| >
| > 8.) If you have a Systems Management Server (SMS), you should exclude
| > folders:
| > a.) SMS\Inboxes
| > b.) SMS_CCM\ServiceData
| > Refer to the following knowledge base articles for reference:
| > KB327453 - Antivirus programs may contribute to file backlogs in SMS 2.0
| > and in SMS 2003
| > http://support.microsoft.com/kb/327453
| > NOTE: If you exclude the SMS\Inboxes directory from virus scanning or
| > remove the antivirus software, you may make the site server and all
| clients
| > vulnerable to potential virus risks. The client base component files
| reside
| > in the SMS\Inboxes directory.
| >
| > 9.) If you have a MOM (Microsoft Operations Manager) Server, you
consider
| > excluding:
| > a.) Drive:\Documents and Settings\All Users\Application
| > Data\Microsoft\Microsoft Operations Manager
| > b.) Drive:\Program Files\Microsoft Operations Manager 2005
| > (where Drive: is the drive letter where profiles are located)
| >
| > 10.) If you have an Internet Security and Acceleration Server (ISA)
| Server,
| > you should exclude:
| > a.) The ISALogs folder. By default, the ISALogs folder is located in the
| > folder where you installed ISA Server. Typically, this location is
| > Drive:\Program Files\Microsoft ISA Server.
| > Refer to the following knowledge base articles for reference:
| > KB887311 - Event ID 5, event ID 14079, and event ID 14176 are logged in
| the
| > Application log on your Internet Security and Acceleration Server 2000
| > computer
| > http://support.microsoft.com/kb/887311
| >
| > 11.) If you have a Windows Software Update Services (WSUS) Server role,
| you
| > consider excluding:
| > a.) Drive:\MSSQL$WSUS
| > b.) Drive:\WSUS
| > (where Drive: is the drive letter where you installed Windows Software
| > Update Services)
| > Also refer to the following knowledge base articles for reference:
| > KB900638 - Multiple symptoms occur if an antivirus scan occurs while the
| > Wsusscan.cab file is copied
| > http://support.microsoft.com/kb/900638
| >
| > MORE INFORMATION:
| > KB49500 - List of antivirus software vendors
| > http://support.microsoft.com/kb/49500
| > KB129972 - Computer viruses: description, prevention, and recovery
| > http://support.microsoft.com/kb/129972
| >
| > Hope the info will give you some help.
| >
| > Thanks and have a nice day!
| >
| > Best regards,
| >
| > Terence Liu(MSFT)
| >
| > Microsoft CSS Online Newsgroup Support
| >
| > Get Secure! - www.microsoft.com/security
| >
| > =====================================================
| > This newsgroup only focuses on SBS technical issues. If you have issues
| > regarding other Microsoft products, you'd better post in the
corresponding
| > newsgroups so that they can be resolved in an efficient and timely
manner.
| > You can locate the newsgroup here:
| > http://www.microsoft.com/communities/newsgroups/en-us/default.aspx
| >
| > When opening a new thread via the web interface, we recommend you check
| the
| > "Notify me of replies" box to receive e-mail notifications when there
are
| > any updates in your thread. When responding to posts via your
newsreader,
| > please "Reply to Group" so that others may learn and benefit from your
| > issue.
| >
| > Microsoft engineers can only focus on one issue per thread. Although we
| > provide other information for your reference, we recommend you post
| > different incidents in different threads to keep the thread clean. In
| doing
| > so, it will ensure your issues are resolved in a timely manner.
| >
| > For urgent issues, you may want to contact Microsoft CSS directly.
Please
| > check http://support.microsoft.com for regional support phone numbers.
| >
| > Any input or comments in this thread are highly appreciated.
| > =====================================================
| >
| > This posting is provided "AS IS" with no warranties, and confers no
| rights.
| >
| > --------------------
| > | From: "nik" <nik_AT_cict.co.uk>
| > | References: <eKPwf89tHHA.576@xxxxxxxxxxxxxxxxxxxx>
| > <bTr#urGuHHA.3972@xxxxxxxxxxxxxxxxxxxxxx>
| > <#Ka4mFKuHHA.3796@xxxxxxxxxxxxxxxxxxxx>
| > <E7F94CEE-09CA-4D88-A5CE-C3589C49587F@xxxxxxxxxxxxx>
| > <#BTMYdWuHHA.1672@xxxxxxxxxxxxxxxxxxxx>
| > <9A0F9CF9-FC92-481D-8AC8-DE361EC73724@xxxxxxxxxxxxx>
| > | Subject: Re: Disappearing disk space?
| > | Date: Thu, 28 Jun 2007 21:29:31 +0100
| > | Lines: 214
| > | X-Priority: 3
| > | X-MSMail-Priority: Normal
| > | X-Newsreader: Microsoft Outlook Express 6.00.2800.1807
| > | X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1896
| > | Message-ID: <eQUbMMcuHHA.3660@xxxxxxxxxxxxxxxxxxxx>
| > | Newsgroups: microsoft.public.windows.server.sbs
| > | NNTP-Posting-Host: ctmd.demon.co.uk 80.176.224.181
| > | Path: TK2MSFTNGHUB02.phx.gbl!TK2MSFTNGP01.phx.gbl!TK2MSFTNGP06.phx.gbl
| > | Xref: TK2MSFTNGHUB02.phx.gbl microsoft.public.windows.server.sbs:47044
| > | X-Tomcat-NG: microsoft.public.windows.server.sbs
| > |
| > | Hi Les: thanks for this response.
| > |
| > | "Les Connor [SBS MVP]" <les.connor@xxxxxxxxxxxx> wrote in message
| > | news:9A0F9CF9-FC92-481D-8AC8-DE361EC73724@xxxxxxxxxxxxxxxx
| > | > As a test, temporarily disable A/V file space scanning on the system
| > | drive.
| > |
| > | I noted this when I was looking at the docs for moving data folders,
and
| > | most of the 3 years that the server has been running happily, it's run
| > | without any AV - it's NATted and isn't used for client email or by
| users,
| > | so I used to feel OK about leaving out the AV. But I lost my nerve a
| few
| > | months ago and installed it. :-) So it sounds like the AV is the
| > problem -
| > | though I would be interested to understand more about why.
| > |
| > | >
| > | > There are a number of files, file types, and folders that should be
| > | excluded
| > | > from A/V scanning. Because SBS does lots of things, the list is
longer
| > | than
| > | > on any other system.
| > | >
| > | > SQL (or any database, for that example) should not be scanned, same
| for
| > | > Exchange, and some of the folders pertaining to the DC function.
| > |
| > | Is there anywhere I can obtain a complete list of folders to exclude?
I
| > | assume that you mean data folders for the db and Exchange, rather than
| > | binaries?
| > |
| > | I already excluded the particular folder with the problem logfile in
it,
| > but
| > | I'll try suspending the AV overnight and see if that cures it.
| > |
| > | Thanks
| > | Nik
| > |
| > | >
| > | > --
| > | > Les Connor [SBS MVP]
| > | >
| > | >
| > | > "nik" <nik_AT_cict.co.uk> wrote in message
| > | > news:%23BTMYdWuHHA.1672@xxxxxxxxxxxxxxxxxxxxxxx
| > | > > Hi Les:
| > | > >
| > | > >> What anti-virus application do you have installed?
| > | > >
| > | > > Sophos.
| > | > >
| > | > >>I've noticed similar
| > | > >> behaviour with Trend CSM on very tight system partitions.
| > | > >>There may be some
| > | > >> relief, but it's only a temporary measure as it's really hard to
| keep
| > | > > enough
| > | > >> free space on a 12 gb system partition.
| > | > >
| > | > > Last night, after moving the scheduled tasks as Terence suggested,
| the
| > | > > problem recurred - but more severely. I suspect that one of the
| > | scheduled
| > | > > tasks which I moved was limiting the damage, not causing it!
| > | > >
| > | > > But I have nailed down where the disc space is going - it's
filling
| up
| > | > > with
| > | > > this SQL logfile:
| > | > > C:\Program Files\Microsoft SQL
| > | > > Server\MSSQL$SBSMONITORING\Data\SBSMonitoring_log.LDF
| > | > > Once I shrink that dB, I get my 2.5Gb of space back - until
| tomorrow.
| > | > >
| > | > > Any idea why this might be happening? Both our backup and our AV
| > | software
| > | > > use SQL dBs - but does the fact that this is the SBSMonitoring dB
| > still
| > | > > suggest that a 3rd-party app is responsible? Is there any tool in
| SBS
| > | > > which
| > | > > I can use to look at this logfile?
| > | > >
| > | > >> So in the end, you'll need to resize c: anyway. You should find
| lots
| > of
| > | > > hits
| > | > >> on resizing if you do a google search of this newsgroup. A disk
| > imaging
| > | > >> product is your best bet for this task.
| > | > >
| > | > > Thanks, I'll check it out.
| > | > >
| > | > > Regards
| > | > > Nik
| > | > >
| > | > >>
| > | > >> --
| > | > >> Les Connor [SBS MVP]
| > | > >>
| > | > >>
| > | > >> "nik" <nik_AT_cict.co.uk> wrote in message
| > | > >> news:%23Ka4mFKuHHA.3796@xxxxxxxxxxxxxxxxxxxxxxx
| > | > >> > Hi Terence: many thanks for your detailed and informative
reply.
| > | > >> >
| > | > >> >>
| > | > >> >> According to your description, I understand that your SBS
system
| > | > >> >> partition
| > | > >> >> free space disappear at every 03:00. If I have misunderstood
the
| > | > > problem,
| > | > >> >> please don't hesitate to let me know.
| > | > >> >
| > | > >> > Mostly correct, though on a small minority of days, the issue
| > simply
| > | > >> > doesn't
| > | > >> > happen. There seems to be no pattern to this.
| > | > >> >
| > | > >> > What's especially strange is that the free space usually comes
| back
| > | > > again
| > | > >> > within a couple of hours, and when it disappears, it doesn't
show
| > up
| > | in
| > | > >> > file/folder sizes on the drive at that time.
| > | > >> >
| > | > >> >> Based on my research, I think this issue relate to 3rd-party
| > | software
| > | > > or
| > | > >> >> some scheduled tasks running on SBS.
| > | > >> >
| > | > >> > I had suspcisions about the Backup Exec backup software we use,
| > but I
| > | > >> > stopped all Backup Exec services yesterday evevning, and the
| > problem
| > | > > still
| > | > >> > recurred last night. There's no other 3rd-party software
running
| > on
| > | a
| > | > >> > schedule AFAIK - and there's certainly nothing coming up in the
| > event
| > | > >> > logs.
| > | > >> >
| > | > >> >>I suggest we try the following steps
| > | > >> >> to see if we can resolve this issue:
| > | > >> >>
| > | > >> >> 1. Please check the scheduled tasks running on SBS
| > | > >> >>
| > | > >> >> a. Please open control panel->Scheduled Tasks
| > | > >> >>
| > | > >> >> b. Please check whether some scheduled tasks' Next Run time is
| > | nearby
| > | > >> > 03:00
| > | > >> >
| > | > >> > Nothing is scheduled to run specifically at 03:00. The only
| > | scheduled
| > | > >> > tasks
| > | > >> > are:
| > | > >> >
| > | > >> > Collect Server Performance Data (every hour)
| > | > >> > Collect Usage Data (Daily at 04:30)
| > | > >> > File_Backup (disabled, as we have 3rd party backup software)
| > | > >> > Small Business Server - Server Status Report - Server
Performance
| > | > >> > Report
| > | > >> > (daily at 06:00)
| > | > >> >
| > | > >> > I guess that means that the Collect Server Performance Data
will
| > run
| > | at
| > | > >> > 03:00 though... I'll try moving the tasks tonight.
| > | > >> >
| > | > >> >>
| > | > >> >> c. Please move all scheduled tasks to another folder, the
tasks
| > will
| > | > >> >> do
| > | > >> > not
| > | > >> >> run, then monitor the SBS at 03:00
| > | > >> >>
| > | > >> >> d. If the issue persists, we can move all scheduled tasks
back.
| > | > >> >>
| > | > >> >> 2. Please do clean boot on SBS and monitor to narrow down this
| > issue
| > | > >> >
| > | > >> > I will try this option over the next couple of days, but as
other
| > | folks
| > | > >> > here
| > | > >> > have observed, SBS tends to be a single-server setup, so it can
| be
| > | > >> > difficult
| > | > >> > to get maintenance time when there are problems. OK, not many
| > people
| > | > > want
| > | > >> > to work at 3am, but then again, neither do I. :-)
| > | > >> >
| > | > >> >>
| > | > >> >> 3. For SBS 2003 server, the 2.5GB free space in system
partition
| > is
| > | > >> >> too
| > | > >> >> little. I suggest you move some data or folders from system
| > | partition
| > | > > to
| > | > >> >> additional partition or disk. This will make SBS run smooth.
| > | > >> >
| > | > >> > Tell me about it - but when I installed this system in 2004,
12Gb
| > was
| > | > > the
| > | > >> > system partition size recommended by Microsoft for our server.
| > It's
| > | > >> > now
| > | > >> > hopelessly inadequate, even though I've moved all the data
files
| > | which
| > | > >> > Technet articles suggest moving. We have more drive space
| > available
| > | on
| > | > >> > the
| > | > >> > machine, but I know of no way to increase the system partition
| > size -
| > | > >> > is
| > | > >> > there a way of adding unused space to the system partition or
| > | > >> > recreating
| > | > >> > the
| > | > >> > system partition to another drive? The server is SCSI RAID5,
and
| > I'm
| > | > > just
| > | > >> > about to install an additional array of 3 drives in it, so now
| > would
| > | be
| > | > > a
| > | > >> > good time to reorganise the storage if it's possible.
| > | > >> >
| > | > >> > Would it be sensible to try reinstalling the system from
scratch
| on
| > | the
| > | > >> > new
| > | > >> > drive, using a larger system partition (how big?), and
restoring
| > our
| > | > > data
| > | > >> > into that new installation from backup?
| > | > >> >
| > | > >> > Best regards
| > | > >> > Nik
| > | > >> >
| > | > >> >
| > | > >>
| > | > >
| > | > >
| > | >
| > |
| > |
| > |
| >
|
|
|
.
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