Re: [gentoo-user] Seagate ST8000NM0065 PMR or SMR plus NAS SAS SATA question

2020-05-23 Thread John Covici
On Sat, 23 May 2020 11:39:40 -0400, David Haller wrote: > > Hello, > > On Sat, 23 May 2020, Michael wrote: > >On Saturday, 23 May 2020 00:31:48 BST Rich Freeman wrote: > >> On Fri, May 22, 2020 at 5:40 PM antlists wrote: > >> > On 22/05/2020 19:23, Rich Freeman wrote: > >> > > A big problem

Re: [gentoo-user] Seagate ST8000NM0065 PMR or SMR plus NAS SAS SATA question

2020-05-23 Thread David Haller
Hello, On Sat, 23 May 2020, Michael wrote: >On Saturday, 23 May 2020 00:31:48 BST Rich Freeman wrote: >> On Fri, May 22, 2020 at 5:40 PM antlists 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

Re: [gentoo-user] Seagate ST8000NM0065 PMR or SMR plus NAS SAS SATA question

2020-05-23 Thread David Haller
Hello, On Fri, 22 May 2020, antlists 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

Re: [gentoo-user] Seagate ST8000NM0065 PMR or SMR plus NAS SAS SATA question

2020-05-23 Thread Wols Lists
On 23/05/20 08:39, Michael wrote: > 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

Re: [gentoo-user] Seagate ST8000NM0065 PMR or SMR plus NAS SAS SATA question

2020-05-23 Thread Dale
Michael wrote: > On Saturday, 23 May 2020 00:31:48 BST Rich Freeman wrote: >> On Fri, May 22, 2020 at 5:40 PM antlists 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

Re: [gentoo-user] Seagate ST8000NM0065 PMR or SMR plus NAS SAS SATA question

2020-05-23 Thread Michael
On Saturday, 23 May 2020 00:31:48 BST Rich Freeman wrote: > On Fri, May 22, 2020 at 5:40 PM antlists 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