On Saturday, 23 May 2020 00:31:48 BST Rich Freeman wrote: > On Fri, May 22, 2020 at 5:40 PM antlists <antli...@youngman.org.uk> wrote: > > On 22/05/2020 19:23, Rich Freeman wrote: > > > A big problem with drive-managed SMR is that it basically has to > > > assume the OS is dumb, which means most writes are in-place with no > > > trims, assuming the drive even supports trim. > > > > I think the problem with the current WD Reds is, in part, that the ATA-4 > > spec is required to support trim, but the ATA-3 spec is the current > > version. Whoops ... > > Probably was thought up by the same genius who added the 3.3V reset > pin to the SATA standard.
Is there a way to determine if a drive on sale is SMR *before* purchase? I assume after purchase it is a matter of filling up the drive with zeros and keeping an eye on it stalling for minutes at a time; or is there some hdparm/ smartctl output to inform accordingly?
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