Re: USB SSD disk speed question

2021-03-02 Thread Frederic Muller
On 3/3/21 2:43 PM, Samuel Sieb wrote: On 3/2/21 11:27 PM, Frederic Muller wrote: Going through the graphical benchmark I can actually see "why": the read speed is making a straight line at about 450MB/s in NTFS  ( https://imagebin.ca/v/5td8fZkQCGY9 ) while  it's zigzagging with ext4 ( https://

Re: USB SSD disk speed question

2021-03-02 Thread Samuel Sieb
On 3/2/21 11:27 PM, Frederic Muller wrote: Going through the graphical benchmark I can actually see "why": the read speed is making a straight line at about 450MB/s in NTFS  ( https://imagebin.ca/v/5td8fZkQCGY9 ) while  it's zigzagging with ext4 ( https://imagebin.ca/v/5td8voL3uiqj ) Any idea

Re: USB SSD disk speed question

2021-03-02 Thread Frederic Muller
On 3/3/21 2:03 PM, Frederic Muller wrote: On 3/2/21 9:58 PM, Roberto Ragusa wrote: You just want the result and it is not sure what you are measuring and in which conditions. That's why you should try things in order: - lsusb -t (guess you may be falling back from USB3 to USB2 for some reason

Re: USB SSD disk speed question

2021-03-02 Thread Frederic Muller
On 3/2/21 9:58 PM, Roberto Ragusa wrote: You just want the result and it is not sure what you are measuring and in which conditions. That's why you should try things in order: - lsusb -t (guess you may be falling back from USB3 to USB2 for some reason, since 40-50MB/s is typical of USB2) - hdp

Re: USB SSD disk speed question

2021-03-02 Thread Samuel Sieb
On 3/2/21 3:47 AM, Frederic Muller wrote: 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 F3

Re: USB SSD disk speed question

2021-03-02 Thread Frederic Muller
On 3/2/21 9:58 PM, Roberto Ragusa wrote: On 3/2/21 12:47 PM, Frederic Muller wrote: 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 t

Re: USB SSD disk speed question

2021-03-02 Thread Roberto Ragusa
On 3/2/21 12:47 PM, Frederic Muller wrote: 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? Bef

Re: USB SSD disk speed question

2021-03-02 Thread John Mellor
On 2021-03-02 1:37 a.m., Frederic Muller wrote: So I was wondering if there was any logical explanations and things I could do to ensure I use the disk at its maximum speed. You are using Fedora, so you have an already-installed graphical utility to run a quick benchmark test on the disk.  Y

Re: USB SSD disk speed question

2021-03-02 Thread Frederic Muller
On 3/2/21 7:20 PM, Roger Heflin wrote: One complication. You said you aren't using a HUB, that is probably not exactly true. Almost all of the USB ports on a laptop or a desktop are using a HUB, very few of the ports are dedicated. Typically a laptop or desktop has at most 3 actual real underly

Re: USB SSD disk speed question

2021-03-02 Thread Roger Heflin
One complication. You said you aren't using a HUB, that is probably not exactly true. Almost all of the USB ports on a laptop or a desktop are using a HUB, very few of the ports are dedicated. Typically a laptop or desktop has at most 3 actual real underlying ports, and some do not even have that

Re: USB SSD disk speed question

2021-03-02 Thread Frederic Muller
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: hdpa

Re: USB SSD disk speed question

2021-03-02 Thread Roberto Ragusa
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/xxx to test sequential rea

Re: USB SSD disk speed question

2021-03-02 Thread Samuel Sieb
On 3/1/21 11:34 PM, Frederic Muller wrote: On 3/2/21 2:15 PM, Samuel Sieb wrote: On 3/1/21 10:37 PM, Frederic Muller wrote: I bought a rather cheap but not so cheap 1TB SSD drive advertised at rw speeds of 450MB/s. I have 2 thinkpads, one X1 3rd gen and one X1 6th gen. Now here is what happene

Re: USB SSD disk speed question

2021-03-01 Thread Frederic Muller
On 3/2/21 2:15 PM, Samuel Sieb wrote: On 3/1/21 10:37 PM, Frederic Muller wrote: I bought a rather cheap but not so cheap 1TB SSD drive advertised at rw speeds of 450MB/s. I have 2 thinkpads, one X1 3rd gen and one X1 6th gen. Now here is what happened: 1. On 3rd gen laptop with F32 I tested (a

Re: USB SSD disk speed question

2021-03-01 Thread Samuel Sieb
On 3/1/21 10:37 PM, Frederic Muller wrote: I bought a rather cheap but not so cheap 1TB SSD drive advertised at rw speeds of 450MB/s. I have 2 thinkpads, one X1 3rd gen and one X1 6th gen. Now here is what happened: 1. On 3rd gen laptop with F32 I tested (and made a full backup) : 45MB/s (NTFS)

USB SSD disk speed question

2021-03-01 Thread Frederic Muller
Hi! I bought a rather cheap but not so cheap 1TB SSD drive advertised at rw speeds of 450MB/s. I have 2 thinkpads, one X1 3rd gen and one X1 6th gen. Now here is what happened: 1. On 3rd gen laptop with F32 I tested (and made a full backup) : 45MB/s (NTFS) 2. I installed a the "brand new" F33,