MNS Posted April 21, 2021 Share Posted April 21, 2021 Last I've bought a 8 TB external drive USB3.1 for a backup of 12 million files and 6 TB. I'm trying to defrag it but it looks that this will take weeks. Defraggler64 consumes practically 2 cores and per file it takes +/- 3 seconds. Is this normal? Link to comment Share on other sites More sharing options...
Moderators Andavari Posted April 22, 2021 Moderators Share Posted April 22, 2021 Find out if the drive uses Shingled Magnetic Recording ("SMR"), here's the WikiPedia page on it:https://en.wikipedia.org/wiki/Shingled_magnetic_recording If the drive uses SMR it can take a very long time to defragment it, one way to double-check and possibly get a faster defrag is try running the built in Windows tool Optimize Drives. Link to comment Share on other sites More sharing options...
MNS Posted April 22, 2021 Author Share Posted April 22, 2021 It is a LaCie d2 professional with a Seagate IronWolf pro 8tb disk, HDD type CMR. Moving large files to the end of the drive was done fast. It looks that Defraggler needs a lot of time to find the next small file to optimize. It needs +3 GB but memory is not a problem, CPU is a i7-6950X. I will try the built in Windows. Link to comment Share on other sites More sharing options...
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