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Questions tagged [defrag]

41 questions
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Is it bad to defrag a minimally fragmented drive?

Someone told me that it is not always a good idea to defragment a minimally fragmented drive (<2%); and that it could cause performance issues. Are they right, and why/why not?
BIBD
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Need to stop SQL Server when using Disk Defragmenter?

Our provider told me today that I should stop Microsoft SQL Server and other database systems like MySQL when using the Windows Disk Defragmenter. Otherwise, the database might get corrupted. Since I never heard about such a scenario and have some…
Uwe Keim
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Defrag running Daily at 2pm. No idea why

Our file server has always had a performance blip at 2pm every day. Nothing major but annoying. Finally tracked down the cause, or potential cause, being a defrag running at 2pm every day. Event ID 258 starts to trickle in a few minutes after…
user35213
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9 answers

Is it worthwhile to defrag workstation computers?

Our [Windows] workstations mostly just run MS Office and our CRM and ERP clients. All real data is stored on the servers. Is there any point to defragging these machines? If so, how often?
user640
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1 answer

Defrag starting when not scheduled. What is triggering the defrag

I have a fileserver that is starting a defrag around 2:00 PM everyday. This is killing performance as it runs for ours becuase this is a file server and has multiple drives. All scheduled tasks regarding defrag have been disabled. I have verified…
Leroy Clark
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xfs_fsr reports insufficient freespace on large VM images

I have several systems using glusterfs and xfs partitions. Some of these systems are hosts for VMs (using libvirt and with qcow2 for storage). I noticed that there was some substantial fragmentation in several cases so I ran xfs_fsr to defrag. Two…
user3889271
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windows server 2003 consolidate free space

I would like to move all the data on a drive in Windows Server 2003 to the beginning of the drive (a virtual hard drive) so that I can more fully compact the .vhd file. However, the Windows server 2003 built in defrag tool only defrags the files,…
Nathan
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After cleaning a Folder DEFRAG did not really change the Database size

I moved ~50.000 emails from the Sent Folder to several .pst files [split by year] and the size of the Sent Folder was then indeed reduced by ~36GB [This is what I see in Outlook when I right click it and check the size - before and after I moved the…
Peter VARGA
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What is the significance of "Percent MFT in use"?

Reading through a Disk Defragmenter analysis report I noticed that my NTFS Master File Table was 6.87GB in size, but only 4% of it was reported as in use. Is this something that could cause NTFS performance issues? Is there anything that can be done…
Richard Ev
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Benefit of Defragging SQL Server Data files located on a SAN

In the past, I have used contig.exe to remove physical fragmentation from SQL Server data files. They have always been on locally attached storage. Is there any benefit to running this on a data file that is stored on a SAN?
Jason Horner
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Does the Windows Server 2012 Data Deduplication feature work with 3rd party defrag programs?

Does the Windows Server 2012 Data Deduplication feature work with 3rd party defrag programs, in particular Auslogics Disk Defrag? I recently enabled the Data Deduplication feature on a drive to test it out and noticed that the drive is being…
bbosak
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Quickbooks Server - insane fragmentation and disk space concerns

So I recently came into a position to manage the server for our small, 12 person, company. The previous sysadmin here had absolutely no clue what he was doing, and has left the following situation. I fortunately know alot more about computers and PC…
NRGdallas
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Dealing with fragmented VM shared storage

We have a Citrix XenServer pool with 3 hosts, using a shared NFS Storage Repository for our VMs. The SR is hosted on a Windows 2003 Storage Server blade, that was included with our 3000 series HP Blade enclosure. I've just been having a look over…
LukeR
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Exchange defragment

A few days ago, we did an offline defrag on our exchange database. We have to make it to a new partition. The command was: "C:\Program Files\Exchsrvr\bin\eseutil.exe" /d /p /i "E:\Program Files\Exchsrvr\MDBDATA\priv1.edb" /t"G:\tempdfguj.edb" We…
holian
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what's a reliable and fast defrag for Win2k8/IIS7 server?

We inherited several Win2k8/II7 that host about 40 websites each. The drives are nearly full at all times, and while we're working on moving a lot of files to the Amazon S3, files are constantly being written and deleted. These are mostly images and…
andryuha
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