Re: M2 disk slowing down on sequential reads

2022-06-29 Thread Jan Stary
On Jun 13 09:53:46, mlar...@nested.page wrote: > On Mon, Jun 13, 2022 at 06:01:39PM +0200, Jan Stary wrote: > > This is current/amd64 on a PC (dmesg below). > > It is using this M2 SSD as a system disk: > > > > sd0 at scsibus1 targ 0 lun 0: > > naa.5001b448b8532530 > > sd0: 238475MB, 512

Re: M2 disk slowing down on sequential reads

2022-06-14 Thread Mihai Popescu
> Indeed, the disk is hot; Out of curiosity, what happens if you run that dd again when the disk is hot? Is the transfer running at that high speed? Is it stuck to the throttled speed? Thanks

Re: M2 disk slowing down on sequential reads

2022-06-13 Thread Mihai Popescu
> could be thermals. Or it could be some kind of cache total miss. I find it strange to overheat a storage after 4GB of transfers. Just saying. Thank you.

Re: M2 disk slowing down on sequential reads

2022-06-13 Thread Jan Stary
On Jun 13 09:53:46, mlar...@nested.page wrote: > could be thermals. Try a better heat sink/fan on the drive then try again? Thanks for the hint. Indeed, the disk is hot; currently it only has a slab of heat paste on it.

Re: M2 disk slowing down on sequential reads

2022-06-13 Thread Mike Larkin
On Mon, Jun 13, 2022 at 06:01:39PM +0200, Jan Stary wrote: > This is current/amd64 on a PC (dmesg below). > It is using this M2 SSD as a system disk: > > sd0 at scsibus1 targ 0 lun 0: > naa.5001b448b8532530 > sd0: 238475MB, 512 bytes/sector, 488397168 sectors, thin > > I do a weekly dd read of

M2 disk slowing down on sequential reads

2022-06-13 Thread Jan Stary
This is current/amd64 on a PC (dmesg below). It is using this M2 SSD as a system disk: sd0 at scsibus1 targ 0 lun 0: naa.5001b448b8532530 sd0: 238475MB, 512 bytes/sector, 488397168 sectors, thin I do a weekly dd read of all disks as a precaution to see if any of the report any errors, as in dd