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From: Rich Freeman <rich0@gentoo.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] m.2 nvme stick not what I was expecting at all.
Date: Tue, 25 Feb 2025 10:04:58 -0500	[thread overview]
Message-ID: <CAGfcS_==oe81jk2omregT1phCFd2u6EFrHgpaGpyw8-+BVodjg@mail.gmail.com> (raw)
In-Reply-To: <6b9c14b2-1d60-02f8-19f6-b98b0885d292@gmail.com>

On Tue, Feb 25, 2025 at 7:26 AM Dale <rdalek1967@gmail.com> wrote:
>
> I'm glad I followed that other thread.  I feel a lot better about this
> method of storage.  I'm also feeling better about USB and storage
> itself.  I've been really nervous about that for a long time now.  It's
> also pretty easy to copy media from my phone.
>

There is nothing wrong with USB3 for storage - it is plenty fast for
hard drives, but agonizingly slow for NVMe.  I have 100TB of USB3 hard
drive storage working just fine on my Ceph cluster.

Really, I think you're paying a huge premium to buy an M.2 NVMe only
to put it in a USB3 enclosure.  If you can live with the latency of
USB3 then a decent quality USB3 flash drive is going to be WAY cheaper
and basically do the same job.  I only use USB3 M.2 enclosures for
utility/maintenance purposes, like imaging an OS drive or doing data
recovery.  If I'm buying an M.2 drive, it is because I intend to
mainly use it with 4x PCIe lanes all the way to the CPU.

If you do need NVMe then the next question becomes consumer vs
enterprise grade.  Those Samsung EVOs are fine for consumer devices -
if you're doing read-intensive work the latest gen ones can give you
incredible performance for gaming/OS/etc.  The gotcha is that they can
only handle short bursts of writes before they slow down, and they
have low endurance by enterprise standards.  They're good general
purpose devices.

For my Ceph cluster all my flash storage is enterprise grade, mainly
for the increased endurance and power loss protection, which gives you
very fast syncing behavior (safely).  That gets a lot more expensive
unless you buy used gear, which requires hunting around.

That said, there is nothing "wrong" with buying M.2 drives just to use
them exclusively USB3 enclosures.  I just think you're paying a big
premium for something that isn't really much better than a thumb
drive.

-- 
Rich


  reply	other threads:[~2025-02-25 15:06 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-24 18:58 [gentoo-user] m.2 nvme stick not what I was expecting at all Dale
2025-02-24 19:20 ` Jack
2025-02-24 19:49   ` Dale
2025-02-24 19:40 ` Mark Knecht
2025-02-24 19:41 ` Rich Freeman
2025-02-24 19:53   ` Dale
2025-02-24 20:00     ` Rich Freeman
2025-02-24 20:34       ` Dale
2025-02-24 20:02 ` eric
2025-02-24 20:11   ` Mark Knecht
2025-02-24 20:44     ` Dale
2025-02-24 22:48       ` Frank Steinmetzger
2025-02-25  3:56         ` Dale
2025-02-25 10:08           ` Michael
2025-02-25 11:00             ` Dale
2025-02-25 11:16               ` Michael
2025-02-25 15:57                 ` Dale
2025-02-25 17:05                   ` Rich Freeman
2025-02-25 19:00                     ` Michael
2025-02-25 19:18                       ` Rich Freeman
2025-02-25 20:39                         ` Michael
2025-02-25 22:16           ` Frank Steinmetzger
2025-02-25 14:48         ` Peter Humphrey
2025-02-25 17:00           ` Michael
2025-02-24 22:13   ` Frank Steinmetzger
2025-02-25  4:20     ` Dale
2025-02-25  8:18       ` Wols Lists
2025-02-25 14:07         ` [gentoo-user] " Grant Edwards
2025-02-25  8:20 ` [gentoo-user] " Wols Lists
2025-02-25 11:09   ` Dale
2025-02-25 12:26 ` Dale
2025-02-25 15:04   ` Rich Freeman [this message]
2025-02-25 15:32     ` Dale
2025-02-25 16:29       ` Rich Freeman
2025-02-25 17:26         ` Dale
2025-02-25 17:41           ` Rich Freeman
2025-02-26 14:43             ` Dale
2025-02-26 16:38               ` Michael
2025-02-26 20:34                 ` Dale
2025-02-26 20:48                   ` Mark Knecht
2025-02-25 20:19     ` Wol
2025-02-25 20:21       ` Michael
2025-02-25 21:34         ` Frank Steinmetzger
2025-02-26  7:52           ` Wols Lists
2025-02-26 16:44             ` Michael
2025-02-26 18:03               ` Wol
2025-02-26 18:05                 ` Rich Freeman
2025-02-26 18:42                   ` Wol
2025-02-26 19:26                     ` Rich Freeman
2025-02-26 19:47                       ` Wols Lists
2025-02-26 19:56                         ` Rich Freeman
2025-02-26 21:25                           ` Wol
2025-02-26 22:37                             ` Michael
2025-02-26 16:41           ` Michael
2025-02-28  5:43 ` Dale
2025-02-28 16:40   ` [gentoo-user] " Grant Edwards
2025-03-02 16:01     ` Dale
2025-03-02 22:06       ` Frank Steinmetzger
2025-03-02 22:39         ` Dale
2025-03-03  3:01         ` Grant Edwards

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