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__name__
n00b
Joined: 06 Feb 2024
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Location: where the wind blows
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 Posted: Fri Oct 18, 2024 12:20 am Post subject: New NVMe drive but only one NVMe slot in motherboard. How? |
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I'm trying to migrate my Gentoo installation from my current NVMe drive to a new NVMe drive, but I'm running into a roadblock. My laptop only has a single NVMe port on the motherboard, so I have to use a USB enclosure for the new drive. Unfortunately, the USB enclosure's write speeds are quite slow.
Does anyone have any recommendations for how I can efficiently migrate my installation to the new drive? I've considered using a live CD to clone the disk, but I'm unsure if that would be the best approach. Any advice would be greatly appreciated. |
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mirekm
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| Posted: Fri Oct 18, 2024 5:08 am Post subject: |
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Use USB NVME drive case.
Later you can use this case with old NVME disk as backup device. |
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__name__
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| Posted: Fri Oct 18, 2024 6:22 am Post subject: |
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| mirekm wrote: | Use USB NVME drive case.
Later you can use this case with old NVME disk as backup device. |
Thank you for the suggestion. I plan to use the USB NVMe drive enclosure after the migration. However, what is the most efficient way to clone my existing Gentoo installation to the new drive using the USB enclosure?
Should I do a fresh install on the new drive and then manually copy over my configuration and data, or should I attempt to clone the existing installation to the new drive after setting up the partitions?
Are there any specific tools or techniques you recommend for a smooth migration process? |
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Ralphred
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Joined: 31 Dec 2013
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| Posted: Fri Oct 18, 2024 11:07 am Post subject: |
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There are "cloning" USB enclosures that will effectively 'dd' one drive to another.
Other than that, using a Gentoo live CD/USB is the safe way, you "follow the handbook" for the new drive, then when it comes to dropping a stage3 on it you copy the files over from the old drive. If the bandwidth to the new drive is the bottleneck issue, then using rsync to do the copying, or creating a compressed tar archive* ahead of the copy might serve you better.
*assuming you have the space, this could be the start of your "backup regime" too. |
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szatox
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| Posted: Fri Oct 18, 2024 11:23 am Post subject: |
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| Quote: | | Are there any specific tools or techniques you recommend for a smooth migration process? |
Advanced version: make it similar to a new installation, but with your own files and skipping redundant steps.
Partition the new disk (or clone partition table), format partitions, copy your files over, possibly fix UUIDs in fstab and bootloader, and you're done.
Simple version: just dd it and - in case of GPT - repair partition table.
Yes, it is suboptimal, yes, empty space, blah blah blah.... It's easy and will be faster than thinking about doing it the "right" way, and your brand new SSD can take that 1 extra write.
And if you have a system on a single partition or LVM, you can expand into new space after you're done. If you want to expand a partition other than the last one, you'll need to do the "advanced" version though.
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Ralphred
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| Posted: Fri Oct 18, 2024 4:38 pm Post subject: |
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| szatox wrote: | | Yes, it is suboptimal, yes, empty space, blah blah blah.... |
You can work round the empty space issue if you have a "shrinkable" filesystem, yeah you have to "delete the partition" but it's nowhere near as scary as it sounds. |
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Installing Gentoo
