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 <[email protected]> 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:[email protected]]
On Behalf Of Steve Litt Sent: Tuesday, May 22, 2018 2:30 PM
To: [email protected]
Subject: NVMe: was Building a Linux Computer?
On Tue, 22 May 2018 13:57:29 -0700
Brian Cluff <[email protected]> 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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