Author Topic: 4 TB hard drive  (Read 294 times)

Neil Waldhauer

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4 TB hard drive
« on: December 27, 2025, 02:18:23 am »
The time finally arrived for a hard drive upgrade for my travel laptop. I mostly run ArcaOS, but occasionally Windows 11 for web browsing and hardware support. My ArcaOS computer hosts about 1.5 TB of data. I wanted to build a computer that runs ArcaOS in a VirtualBox session and holds a copy of that data. I backed up my computer, and installed a 4 TB NVMe m.2 2280 SSD. I restored from my backup.

(see attachment)

The backup software I used (EaseUS Partition Master) made the wrong volume type for my ArcaOS volumes, and so I needed to fix that. I was able to make some fresh ArcaOS Type 1 volumes and temporarily assign drive letters to the volumes with the wrong volume type. The new volumes are able to boot ArcaOS.

I extended the Windows boot volume to just over 3 TB, and created a new virtual hard drive to contain my data. I used rsync to bring over the 1.5 TB data to the new virtual hard drive. The virtual hard drive is actually a bit FASTER than JFS running native. It still took a long time to copy 1.5 TB of data.

When I was done, I deleted the volumes with the wrong volume type. This was a mistake, as my Windows 11 volume would no longer boot, failing with UMOUNTABLE_BOOT_VOLUME (0xED). It turns out that Windows boots the Nth volume on the drive, so it could no longer find the boot volume. I made two dummy volumes, and Windows was able to count up to 5 and boot again.

So far, the Virtual ArcaOS works well, and it's nice to have an easy way to share data between OS/2 and Windows 11.
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Dave Yeo

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Re: 4 TB hard drive
« Reply #1 on: December 27, 2025, 04:26:52 am »
It's just a shame that out FAT32 driver is so slow.