Edit: It has actually finished after 14 passes. From what I saw, it's usually supposed to be around 7. James Mason Polypheme. Jan 2, 13, 7 66, 3, Your HDD may be dying, you should find out sooner rather than later whether it's the case. It's extremely expensive to try and recover data from a dead drive.
Thousands of dollars. CountMike Titan. Oct 31, 29, 2, , 7, It's supposed to make only one pass. It is showing my drive has good health. The time I installed this drive is days ago, so it is fairly new, and has hours of use.
Aug 24, 13, 58, 1, CountMike :. Nov 20, 3, 2 24, Defrag taking a long time likely means your HDD is fairly full. Suggest you look at how full your drive is and if full take some action: 1. All the system update files just sit there, GB of them 2. Large is faster for spinning HDD until you get to extreme sizes because the drive spin at the same speed, but the recording density is higher.
You get more data per second. SSDs have gotten very cheap. Are you talking about defragging a USB flash drive? If so, not a good idea. Agent Data Banned. Fastest defragger out there hands down is Auslogic - it even defrags the hdds concurrently. My two GB sata2 are done within 2 minutes.
Erica New Member. I like it! Premium Supporter. Click to expand You can pause and then cancel it, no files thereafter will be defragged. There is no consequence other than that defragmentation is not fully complete, but what has been defragged will remain. However , avoid sudden power loss during defragmenting, as it may cause bad consequences. I personally never interrupt defragmenting and have been lucky so far. I've noticed an interesting side effect of defragging in Win 7. After defrag, and for several computer restarts boot time is adversely affected.
By this I mean as much a 20 seconds are added to my low boot times. My guess is that prefetch or superfetch is messed up by the defrag process and these folders need to be rebuilt. Yeah Kemical, That's with the builtin defrag tool. I have an older version of Diskeeper but it won't install in Win 7 so I can't compare. I would expect a defrag tool would leave prefetch alone. I don't use the default app.
I tend to use the Auslogics one as it's like a cheap version of Diskeeper. I'll have to test for the lag though and see if I can reproduce your findings.
Unfortunately I'm up early in the morning so it'll have to wait until tomorrow. Post reply. Insert quotes…. Connect and share knowledge within a single location that is structured and easy to search. Disk Defragmenter might take from several minutes to a few hours to finish, depending on the size and degree of fragmentation of your hard disk.
You can still use your computer during the defragmentation process. Microsoft never specifically says, because Windows auto-detects the needed settings. The amount and time is different for every situation. Windows 8 and up auto-detects the number of passes required depending on the SMART status, number of errors, size of disk, time since last inspection, etc. You can keep it running in background and does not affect your performance much on a decently speced device. It can take anywhere from passes to 40 passes and more to complete.
There is no set amount of defrag. You can also manually set the passes required if you use third party tools. Ho much fragmented was your drive? Took me about 14 hours, at least 4 passes each subsequent pass was significantly faster, might've been more than 4 passes but if so I missed seeing any passes above the 4th. Sign up to join this community. Thanks for your feedback. Choose where you want to search below Search Search the Community. Search the community and support articles Windows Windows 7 Search Community member.
Charles G. What determines the number of passes, and what are the specifics about each pass, for the windows 7 Disk Defrag, please? This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread.
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