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On Sat, 23 May 2020 11:39:40 -0400, |
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David Haller wrote: |
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> |
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> Hello, |
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> |
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> On Sat, 23 May 2020, Michael wrote: |
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> >On Saturday, 23 May 2020 00:31:48 BST Rich Freeman wrote: |
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> >> On Fri, May 22, 2020 at 5:40 PM antlists <antlists@××××××××××××.uk> wrote: |
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> >> > On 22/05/2020 19:23, Rich Freeman wrote: |
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> >> > > A big problem with drive-managed SMR is that it basically has to |
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> >> > > assume the OS is dumb, which means most writes are in-place with no |
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> >> > > trims, assuming the drive even supports trim. |
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> >> > |
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> >> > I think the problem with the current WD Reds is, in part, that the ATA-4 |
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> >> > spec is required to support trim, but the ATA-3 spec is the current |
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> >> > version. Whoops ... |
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> >> |
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> >> Probably was thought up by the same genius who added the 3.3V reset |
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> >> pin to the SATA standard. |
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> > |
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> >Is there a way to determine if a drive on sale is SMR *before* |
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> >purchase? |
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> |
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> WD Red WD*EFRX are PMR. |
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> WD Red WD*EFAX are SMR (AFAIK, could be, that some are PMR). |
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> |
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> ISTR, that the "Red Pro" are all PMR (so far). |
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|
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How about WD4001FFSX-68JNUN0? I hope its pmr. |
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-- |
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Your life is like a penny. You're going to lose it. The question is: |
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How do |
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you spend it? |
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|
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John Covici wb2una |
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covici@××××××××××.com |