You can always get a physically very small USB drive and put /boot and
the boot block on that. Then everything else can go on the NVMe.
Brian Cluff
On 05/25/2018 12:17 PM, Steve Litt wrote:
> Maybe you can get a rip-roaring machine, but how so if that post 2005
> computer can't boot of NVMe? What do you do, take the UEFI info and
> the /boot off another drive, and use the NVMe for / ? Or do you boot
> off another drive, and then carve up the (assumedly small) NVMe
> into /usr, /lib, /run ? Life gets a lot more complicated if the machine
> can't boot the NVMe.
>
> SteveT
>
> On Wed, 23 May 2018 01:16:21 -0700
> Eric Oyen <eric.oyen@icloud.com> wrote:
>
>> well, the beauty about the "add-in" cards is that you can use any
>> PCI-e slot on just about any desktop that is newer than vintage 2005.
>> YYou will end up with a rip-roaring fast machine. :)
>>
>> -eric
>>
>> On May 22, 2018, at 2:43 PM, Carruth, Rusty wrote:
>>
>>> Oohh! Oohh!! Something I can answer :-)
>>>
>>> 1 - yes and no. Yes, you can replace, but no, you (almost
>>> certainly) need to get a PCIe card which converts PCIe on the
>>> motherboard to NVMe on the ssd. We have one of those at work, not
>>> too expensive as I recall.
>>>
>>> 2 - You should be able to. Don't know if that's implemented or not.
>>>
>>> 3 - /dev/nvme0n1 as an example. So, for SATA, its /dev/sd<x> for
>>> nvme, you get a /dev/nvme0 and then you get /dev/nvme0n1 for the
>>> actual drive, as I remember. I don't remember what the partitions
>>> turn up as, but I THINK they were /dev/nvme0n1p1 or something like
>>> that. A second NVMe drive would be /dev/nvme0n2 I think.
>>>
>>> 4 - it should. Now, you MIGHT need some updated stuff, for example
>>> smartctl may or may not work with NVMe on your distro. And you'll
>>> probably need to download the nvme tool that gives you control sort
>>> of like hdparm. Using an 'old' distribution might be a problem
>>> (for some value of 'old')
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: PLUG-discuss [mailto:plug-discuss-bounces@lists.phxlinux.org]
>>> On Behalf Of Steve Litt Sent: Tuesday, May 22, 2018 2:30 PM
>>> To: plug-discuss@lists.phxlinux.org
>>> Subject: NVMe: was Building a Linux Computer?
>>>
>>> On Tue, 22 May 2018 13:57:29 -0700
>>> Brian Cluff <brian@snaptek.com> wrote:
>>>
>>>> For me, I would get a system that can use a NVMe. They are about
>>>> the same price as an SSD, but make and SSD look extremely slow.
>>> This is the first I've heard of NVMe. I just read
>>> https://en.wikipedia.org/wiki/NVM_Express , and now have some
>>> questions:
>>>
>>> 1) Can I replace the spinning platter 2.5" hard disk in my 5 year
>>> old laptop with an NVMe device? My research tells me an NVMe must
>>> plug into a PCIe slot rather than a SATA slot.
>>>
>>> 2) Do you fstrim NVMe-hosted partitions the same way you do for SSD?
>>>
>>> 3) When you install an NVMe card in a PCIe slot, what device name
>>> shows up? Is it sd-whatever, or something else?
>>>
>>> 4) If my desktop has a free PCIe slot, does that mean I can plug in
>>> an NVIe drive and use it?
>>>
>>> Thanks,
>>>
>>> SteveT
>>>
>>> Steve Litt
>>> June 2018 featured book: Twenty Eight Tales of Troubleshooting
>>> http://www.troubleshooters.com/28
>>>
>>>
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