Questions tagged [defrag]
The defrag tag has no usage guidance.
41
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NTFS Defrag fails - master file table is too fragmented. (0x89000023)
Issue: MFT is to fragmented to be defragmented
OS: Windows Server 2016
The goal was to shrink a volume/partition to make room for a separate data section, but the question comes down to: any known ...
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1
answer
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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 ...
- 35
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1
answer
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How to defrag volume using mountpoint?
I am trying to defrag the volume by optimize-volume cmdlet . I have passed mount point path. But it fails as below.
PS C:\Users\Administrator> Optimize-Volume -Path C:\Testvol1\disk
Optimize-...
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0
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Disable Disk Fragmentation Analysis - Windows Server 2008 R2 Standard
I have been asked to look into disabling the fragmentation analysis that Windows performs automatically for one of our servers. I have verified that the Disk Defrag tool shows automatic ...
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2
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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 ...
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2
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Error when defragging Exchange Server 2010 mailbox Database
I am trying to perform an offline defrag on our Mail server.
We are running Windows Server 2008 R2 Standard, but have Exchange 2010 installed.
I am using eseutil to perform the defrag - however I ...
0
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0
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187
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Running Defrag Task Against Servers
I have a PowerShell script as follows:
$ListOfServers = "Server1", "Server2"
$RunDefrag =
{
param($Server)
$Volume = Get-WmiObject -Class Win32_Volume -ComputerName $Server -Filter "...
- 579
2
votes
1
answer
2k
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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 ...
- 2,460
2
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1
answer
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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 ...
user35213
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1
answer
2k
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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 ...
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2
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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 ...
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1
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Should you defrag before capturing an image?
If I'm capturing an image with imagex.exe /capture ..., does it matter if I defrag the hard disk prior to doing so (or strictly speaking, before sysprep)? Is there any benefit to doing so with a file-...
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2
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1k
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Why can't I defragment my SQL 2008 .mdf file?
I am defragmenting a badly (95%) fragmented drive upon which large (35 gig) SQL Server 2008 .mdf files live. After defragmenting and viewing the exception report, I see that the production .mdf ...
- 101
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1
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Exchange 2003 Defrag is too slow
I have a Exchange database that has been cleaned out and a lot of space freed up. I would like to defrag the database using eseutil, but it is taking too long.
I've tried moving the files to my ...
1
vote
1
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267
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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\...
- 33
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3
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7k
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Is Windows Disk Defragmenter good enough?
I know this can be sound a little like an open question, but I want your thoughts here. Maybe if someone have make a benchmark test or based on your experience.
Do you think that Windows Defragmenter ...
- 2,039
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3
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139
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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 ...
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1
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571
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Do I have space to defrag a machine hosted on VMWare ESXi 4.1?
I have inherited what I think is a badly configured VMWare ESXi 4.1 system, I know very little about VMWare. It currently hosts 2 systems. They are both on the same datastore, which is on RAID 5.
...
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3
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430
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Resize a new database to predicted maximum size
Currently I have a SQL Server database which is about 2 Gb. I know over the next year it's going to grow to a maximum of about 10Gb. Hard drive space is not an issue in the slightest.
Is there a ...
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Defragment a FILESTREAM data container
Has anyone ever tried to defrag a FILESTREAM data container using the Windows Disk Defragmenter? Does this work without taking the FILESTREAM enabled database offline?
If this doesn't work, can ...
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4
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443
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Is defragmentation of VHDs necessary?
I've got about 60 servers that were migrated from physical machines running on ESX 4. I'm having issues with the Diskeeper software installed, and I'm trying to decide if I should try to fix the ...
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1
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Does the Windows Server 2008 disk defragmenter work with open files?
I have a server running a number of Hyper-V guest instances. One recommendation to improve the performance of our guest OSes is to defragment the vhd files. Can I do this while the guest is still ...
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3
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How do I move the physical location of $MFTMirr, to allow resizing the partition?
When an NTFS volume is created, the first four entries of the MFT are copied and placed halfway the volume in the $MFTMirr file. According to Microsoft, since XP these files (metadata files) can be ...
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4
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Resizing volume with DiskPart unsuccessful, while there's enough free space
I have a physical disk with two partitions, an old OS partition (with MBR) of 296GB and a RECOVERY partition of 2048MB (a default DELL recovery partition), both are not in use. I have successfully ...
- 1,047
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1
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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 ...
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4
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4k
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Does Windows Defrag utility reports fragmentation correctly on a RAID system?
We have a server with a RAID volume. Windows DEFRAG shows very high fragmentation (90%) on the volume. My chief asked if DEFRAG reported fragmentation is correct (or near correct) or not.
We don't ...
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5
answers
5k
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Windows 2008 Microsoft Disk Defragmenter
Is the Disk Defrag utility built into Windows 2008 and Windows 2008 R2 good enough?
I see lots of 3rd party defragmentation tools out there but I'm wondering if they were meant for Windows 2003 and ...
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1
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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 ...
- 306
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2
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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 ...
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1
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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 ...
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6
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Does defragmenting your hard drive before resizing the partition have any benefits?
Whenever I install Linux on a box that has Windows, and I want to dual boot, I always defragment the hard drive as much as possible before resizing the partition. Is this just superstition, or is it ...
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1
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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 ...
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9
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564
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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
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Defrag a drive encrypted with Whole Drive Encryption
I am running Windows Vista where the entire system drive has been encrypted using Truecrypt 6.2 Whole Drive Encryption (WDE). I was wondering whether defragging a drive which is encrypted with WDE ...
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VM Virtual guest machine disk defrag improves performance, myth or reality?
In operation of a virtual Vmware or Hyper-V guest typically advice is given to defrag the host and virtual disk images so to result in improved performance.
Something like a cmd: vmware-vdiskmanager -...
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9
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Defragmenters useful for *nix?
Having come from a windows enviroment, I was curious if defragmenters are useful in *nix. More specifically, OS X.
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9
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How much space should you leave free on a hard disk? [closed]
Is there a rule of thumb for how much space to leave free on a hard disk? I used to hear you should leave at least 5% free to avoid fragmentation.
[I know the answer depends on usage (eg: video files ...
- 4,785
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How can I tell when it is time to defrag my SQLServer database?
What is the best practice for measuring SQLServer database fragmentation/performance rolloff and determining when to defrag a SQLServer database table?
I'm most interested in learning what the useful ...
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3
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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?
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Do I need to defrag unix filesystems?
I know Windows file systems are very sensitive to fragmentation and Unix such as UFS, ZFS, ext3, or ext4 are not as sensitive.
But, is there any reason to defragment these filesystems at all?
If so, ...
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3
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Should I defrag my RAID volumes?
It seems to me that since RAID volumes are logical (as opposed to physical), the layout that the OS believes they have might not correspond to the actual phsyical layout.
So does defrag make sense ...
- 1,283