Thx for the tip. I was finally able to test it. The disk seems to work now correctly. So, i guess i slap the person, who told me, that the disks have new firmware on it... xD Am Sa., 22. Jan. 2022 um 02:05 Uhr schrieb Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>: > > On 1/22/22 02:23, Sven Hugi wrote: > > Hello Martin > > > > I just don't get it, why i get the same problems, as reported with the > > 850 on the t5... > > I mean it's the 2nd t5 i used and i used it on 4 different devices (+ > > on the school computer). > > The t5 i currently have, runs really slow on linux and more or less > > without problem on windows, the one i had before behaved really > > similar, till it started to corrupt vm's and then also slow down on > > windows... > > Do you have an idea, what that could be?, or does it sound like i just > > got 2 defective disks? > > It may be a drive firmware bug. Note that this article: > > https://www.tomshardware.com/reviews/samsung-t5-portable-ssd,5163-3.html > > mentions a similar performance problems with older versions of the T5 > that do not have TRIM support. It is mentioned that newer versions have > TRIM support though. > > So it may be worthwhile to check if a firmware update is available for > your drive. > > > > > > Best regards > > > > Sven Hugi > > > > Am Fr., 21. Jan. 2022 um 03:15 Uhr schrieb Martin K. Petersen > > <martin.petersen@xxxxxxxxxx>: > >> > >> > >> Sven, > >> > >>> -> sudo sg_readcap -l sda > >>> Read Capacity results: > >>> Protection: prot_en=0, p_type=0, p_i_exponent=0 > >>> Logical block provisioning: lbpme=0, lbprz=0 > >>> Last LBA=976773167 (0x3a38602f), Number of logical blocks=976773168 > >>> Logical block length=512 bytes > >> > >>> lbpme=0... > >>> so, i guess it's not because of trim... > >> > >> Correct, Linux wouldn't be sending trims to that drive. > >> > >> -- > >> Martin K. Petersen Oracle Linux Engineering > > > > > > > > > -- > Damien Le Moal > Western Digital Research -- Sven Hugi github.com/ExtraTNT
