On 3/2/21 4:23 PM, Roberto Ragusa wrote:
On 3/2/21 8:34 AM, Frederic Muller wrote:
Anyway since I am somehow back to initial lousy speeds and saw it way
faster on the same machines, is there a "reliable" way to go back to
more decent speed then?
Before putting filesystems in the middle:
hdparm -t /dev/xxxxxxx
to test sequential read speed.
I think there is a misunderstanding about my question: somehow I cannot
get reliable read speed as depending on the machine (not sure) or/and
the OS (and its patches) used I get very very different real usage speed
on 2 different machines (we're talking hour+ to minutes differences to
copy those files).
So the same machine can get very very very different real life speed
(not testing) in "simply" copying files depending on the version of
Fedora used (with its patches or not and....what else).
So now how can configure Fedora 33 to get the optimum speed is the
question. Are there BIOS or system settings that make it happen? The X1
3rd gen now has a new bios, not the 6th gen. The 6th gen went from
400MB/s down to 40MB/s switching from F32 to F33, the 3rd gen went from
45 to 85 switching from F32 to F33. I am just trying to understand what
is giving those very different speeds. And yes it is really weird.
Now those are 2 "work" machines and I can't really reinstall F32 (or
F26-7 and upgrade little by little to F32) to see what happens this time
(not that it's even possible). So if you're as puzzled as me, I would
definitely understand. What speed do you get with your external USB SSD
drives for example, and is it consistent over different setups?
Well.. not a big deal, everything else (not my mouse ;-) ) is working
(oh, and not GnunPGP either).
So thank you for your potential tips and if none... well I'll live with
a slow SSD for now :D
Thank you.
Fred
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