disk has 4 partion

CLS · Jan 30, 2024

My Samsung pro 990 (boot drive) has four partion and one of them is almost full. Should I be worried about it? or just ignore it?

markw51 · Jan 30, 2024

CLS said:
My Samsung pro 990 (boot drive) has four partion and one of them is almost full. Should I be worried about it? or just ignore it?

View attachment 85549

Ignore it, Windows created them when it was installed and the only you need to worry about is C:

CLS · Jan 30, 2024

markw51 said:
Ignore it, Windows created them when it was installed and the only you need to worry about is C:

OK, thanks!

BamaInArk · Jan 30, 2024

You've also got like 94 Gbs of unused drive space.

CLS · Jan 30, 2024

BamaInArk said:
You've also got like 94 Gbs of unused drive space.

It´s reserved for Over Provisioning (Samsung Magician)

Winuser · Jan 31, 2024

Why so

CLS said:
It´s reserved for Over Provisioning (Samsung Magician)

94Gbs is a lot of unused space. It's more then your C: partition. I have a 1TB Nvme drive and this is the way my drive is setup.

zbook · Jan 31, 2024

Check to see if there are any problems with Windows updates.

And check the event logs for this error message: Windows Recovery Environment servicing failed

If you want me to check for you then post a V2 share link.

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jumanji · Jan 31, 2024

Hi @CLS

The 855MB Used 781.1 MB partition may be the Recovery partition. On an elevated command prompt type reagentc /info. It will show the partition # in which winre.wim resides. If it is indeed the recovery partition you will be better off to increase it to 1.5GB since winre.wim may get enlarged with future updates/feature updates. ( If it doesn't find adquate space Windows will create another recovery partition). You may also consider shifting the enlarged Recovery partition next to your C: drive keeping the Overprovisioning to the last. ( My Beelink miniPC with 500GB NVME disk has an 1.7GB Recovery partition. No unallocated space for overprovisioning is seen since Manufacturers themselves assign a certain percentage of the disk space for overprovisioning. This will not show up in the disk map)

hsehestedt · Jan 31, 2024

Winuser said:
94Gbs is a lot of unused space. It's more then your C: partition.

You were looking at the wrong number. Notice in the screenshot that there are two numbers - 59GB and 837GB. The 59GB is the amount of space used. The C: partition is actually 837GB in size. I'm also with @jumanji on partition 4. That is the recovery partition and there is no urgent need to expand it now, but it may require a bump in size for future upgrades.

You will need to free up a small amount of space from the unprovisioned space to make it available to Windows, disable the recovery partition, recreate the recovery partition at the size you want, then re-enable the recovery partition. When you are ready to do so, just shout - we'll provide detailed instructions.

Bree · Jan 31, 2024

CLS said:
It´s reserved for Over Provisioning (Samsung Magician)

I don't use over provisioning. All an SSD needs for wear levelling to work efficiently is unused space. Over provisioning is a way to make sure that there's always some unused space, but as long as you don't fill your C: drive the free space on C: will do just as well.

Winuser · Jan 31, 2024

hsehestedt said:
You were looking at the wrong number. Notice in the screenshot that there are two numbers - 59GB and 837GB.

I'm seeing 93.15GB of unallotted space between partition 3 and partition 4.

zbook · Jan 31, 2024

Please post a reference for overprovisioning.

Automatic failover allows the neighboring partitions to expand and contract.

hsehestedt · Jan 31, 2024

Winuser said:
I'm seeing 93.15GB of unallotted space between partition 3 and partition 4.

But you said that was larger than the C: partition. My point is that the C: partition is 837GB.

jumanji · Jan 31, 2024

^ That is absolutely correct. OP's disk is a 1TB disk. I wish the OP had put a Windows Disk Management/Partition Wizard screenshot rather than a Macrium Reflect screenshot of the disk.

cereberus · Jan 31, 2024

Simple answers

1) yes the partitions are correct

2) Expand C drive to fill unallocated space.

No more needs to be said.

markw51 · Jan 31, 2024

Winuser said:
Why so

94Gbs is a lot of unused space. It's more then your C: partition. I have a 1TB Nvme drive and this is the way my drive is setup.

View attachment 85623

His C partition is over 830GB so the OP is no way greater than that!

Winuser · Jan 31, 2024

hsehestedt said:
But you said that was larger than the C: partition. My point is that the C: partition is 837GB.

Ok, now I see what your referring to. I should have said something like used space. I still think that 93.15GB of Unallotted space is a lot but that's up to the user. As you can see in my post, I let the SSD use the free space on the drive. I don't plan on ever overloading my drive so I don't see it ever being a problem. That is one of the reasons why I moved my User Folders to a different drive. Only the Desktop is in the default location and I use links for anything I want to have access to from my desktop.

hsehestedt · Jan 31, 2024

Winuser said:
I still think that 93.15GB of Unallotted space is a lot but that's up to the user.

Amen, brother! I've never been a fan of these provisioning schemes. I just use SSDs that are large enough that I can leave some free space available in which they can work their voodoo.

CLS · Jan 31, 2024

jumanji said:
^ That is absolutely correct. OP's disk is a 1TB disk. I wish the OP had put a Windows Disk Management/Partition Wizard screenshot rather than a Macrium Reflect screenshot of the disk.

I turned off "Over Provisioning" in Samsung Magician and the unallocated space was then merge into Windows.

Btw, do I need to use Samsung Magician? can I uninstall it? How about to see status of the trim, how do I manage it manually?

@Jumani here you have a screen shot from disk management

Wisewiz · Jan 31, 2024

@CLS I have an office-full of Samsung disks, and I've never found Magician to be of significant value. You can check TRIM status anytime by typing Optimize into the search on the Start menu. I'd uninstall it. I always have, after looking it over to see what it offered that I wanted. Zero.

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