On 2016-09-17 01:14, James Bottomley wrote:
On Fri, 2016-09-16 at 13:06 -0400, Austin S. Hemmelgarn wrote:
On 2016-09-16 12:21, James Bottomley wrote:
On Fri, 2016-09-16 at 11:53 -0400, Austin S. Hemmelgarn wrote:
On 2016-09-16 07:16, Hannes Reinecke wrote:
On 09/15/2016 10:52 PM, Jason A.
On 2016-09-17 01:14, James Bottomley wrote:
On Fri, 2016-09-16 at 13:06 -0400, Austin S. Hemmelgarn wrote:
On 2016-09-16 12:21, James Bottomley wrote:
On Fri, 2016-09-16 at 11:53 -0400, Austin S. Hemmelgarn wrote:
On 2016-09-16 07:16, Hannes Reinecke wrote:
On 09/15/2016 10:52 PM, Jason A.
On Fri, 2016-09-16 at 13:06 -0400, Austin S. Hemmelgarn wrote:
> On 2016-09-16 12:21, James Bottomley wrote:
> > On Fri, 2016-09-16 at 11:53 -0400, Austin S. Hemmelgarn wrote:
> > > On 2016-09-16 07:16, Hannes Reinecke wrote:
> > > > On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
> > > > > Hi
On Fri, 2016-09-16 at 13:06 -0400, Austin S. Hemmelgarn wrote:
> On 2016-09-16 12:21, James Bottomley wrote:
> > On Fri, 2016-09-16 at 11:53 -0400, Austin S. Hemmelgarn wrote:
> > > On 2016-09-16 07:16, Hannes Reinecke wrote:
> > > > On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
> > > > > Hi
On Fri, Sep 16, 2016 at 7:06 PM, Austin S. Hemmelgarn
wrote:
> 1. UAS (not some other SCSI transport) without UNMAP support.
> 2. Supports ATA_12 or ATA_16 pass through.
> 3. ATA DEVICE IDENTIFY via SAT indicates that the device supports
> DISCARD/TRIM.
> Then we'd be
On Fri, Sep 16, 2016 at 7:06 PM, Austin S. Hemmelgarn
wrote:
> 1. UAS (not some other SCSI transport) without UNMAP support.
> 2. Supports ATA_12 or ATA_16 pass through.
> 3. ATA DEVICE IDENTIFY via SAT indicates that the device supports
> DISCARD/TRIM.
> Then we'd be matching behavior on
On 2016-09-16 12:21, James Bottomley wrote:
On Fri, 2016-09-16 at 11:53 -0400, Austin S. Hemmelgarn wrote:
On 2016-09-16 07:16, Hannes Reinecke wrote:
On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
Hi Martin,
On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
But how do they signal that
On 2016-09-16 12:21, James Bottomley wrote:
On Fri, 2016-09-16 at 11:53 -0400, Austin S. Hemmelgarn wrote:
On 2016-09-16 07:16, Hannes Reinecke wrote:
On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
Hi Martin,
On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
But how do they signal that
On Fri, 2016-09-16 at 11:53 -0400, Austin S. Hemmelgarn wrote:
> On 2016-09-16 07:16, Hannes Reinecke wrote:
> > On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
> > > Hi Martin,
> > >
> > > On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
> > > > But how do they signal that ATA passthrough
On Fri, 2016-09-16 at 11:53 -0400, Austin S. Hemmelgarn wrote:
> On 2016-09-16 07:16, Hannes Reinecke wrote:
> > On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
> > > Hi Martin,
> > >
> > > On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
> > > > But how do they signal that ATA passthrough
On 2016-09-16 07:16, Hannes Reinecke wrote:
On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
Hi Martin,
On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
But how do they signal that ATA passthrough is possible? Is there an ATA
Information VPD page? Is REPORT SUPPORTED OPERATION CODES
On 2016-09-16 07:16, Hannes Reinecke wrote:
On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
Hi Martin,
On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
But how do they signal that ATA passthrough is possible? Is there an ATA
Information VPD page? Is REPORT SUPPORTED OPERATION CODES
On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
> Hi Martin,
>
> On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
>> But how do they signal that ATA passthrough is possible? Is there an ATA
>> Information VPD page? Is REPORT SUPPORTED OPERATION CODES supported?
>>
>> We need really solid
On 09/15/2016 10:52 PM, Jason A. Donenfeld wrote:
> Hi Martin,
>
> On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
>> But how do they signal that ATA passthrough is possible? Is there an ATA
>> Information VPD page? Is REPORT SUPPORTED OPERATION CODES supported?
>>
>> We need really solid
Hi Martin,
On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
> But how do they signal that ATA passthrough is possible? Is there an ATA
> Information VPD page? Is REPORT SUPPORTED OPERATION CODES supported?
>
> We need really solid discovery data before we can entertain enabling
> something
Hi Martin,
On Thu, Sep 15, 2016 at 6:07 PM, Martin K. Petersen
> But how do they signal that ATA passthrough is possible? Is there an ATA
> Information VPD page? Is REPORT SUPPORTED OPERATION CODES supported?
>
> We need really solid discovery data before we can entertain enabling
> something
> "Jason" == Jason A Donenfeld writes:
Jason,
>> How do they signal that they support the passthrough?
Jason> Through the usual SCSI ATA-passthrough interface, "SAT" (SCSI-ATA
Jason> Command Translation) -- ATA PASS THROUGH SCSI (16) and ATA PASS
Jason> THROUGH SCSI (12).
> "Jason" == Jason A Donenfeld writes:
Jason,
>> How do they signal that they support the passthrough?
Jason> Through the usual SCSI ATA-passthrough interface, "SAT" (SCSI-ATA
Jason> Command Translation) -- ATA PASS THROUGH SCSI (16) and ATA PASS
Jason> THROUGH SCSI (12).
But how do they
On Wed, Sep 14, 2016 at 8:37 PM, Martin K. Petersen
> How do they signal that they support the passthrough?
Through the usual SCSI ATA-passthrough interface, "SAT" (SCSI-ATA
Command Translation) -- ATA PASS THROUGH SCSI (16) and ATA PASS
THROUGH SCSI (12).
I can use hdparm to treat /dev/sdb
On Wed, Sep 14, 2016 at 8:37 PM, Martin K. Petersen
> How do they signal that they support the passthrough?
Through the usual SCSI ATA-passthrough interface, "SAT" (SCSI-ATA
Command Translation) -- ATA PASS THROUGH SCSI (16) and ATA PASS
THROUGH SCSI (12).
I can use hdparm to treat /dev/sdb
> "Jason" == Jason A Donenfeld writes:
Jason,
Jason> These USB enclosures do not support SCSI UNMAP. However, they do
Jason> support ATA-passthrough, and `hdparm -I` shows that TRIM is
Jason> supported.
How do they signal that they support the passthrough?
--
Martin K.
> "Jason" == Jason A Donenfeld writes:
Jason,
Jason> These USB enclosures do not support SCSI UNMAP. However, they do
Jason> support ATA-passthrough, and `hdparm -I` shows that TRIM is
Jason> supported.
How do they signal that they support the passthrough?
--
Martin K. Petersen
On Mon, 12 Sep 2016, Jason A. Donenfeld wrote:
> I was wondering if it'd be possible to have the uas driver -- or
> perhaps somewhere else in the stack -- fall back to using
> ATA-passthrough-TRIM for UNMAP, so that discard can work properly.
> AFAIK, the Windows drivers do exactly this.
>
> If
On Mon, 12 Sep 2016, Jason A. Donenfeld wrote:
> I was wondering if it'd be possible to have the uas driver -- or
> perhaps somewhere else in the stack -- fall back to using
> ATA-passthrough-TRIM for UNMAP, so that discard can work properly.
> AFAIK, the Windows drivers do exactly this.
>
> If
Hi folks,
There's a huge quantity of USB enclosures flooding the market for
quite sometime that support UASP, which is very nice. This allows for
higher speeds by using the SCSI command set via the uas driver, and
offers various other advantages over the classic usb-storage driver.
These USB
Hi folks,
There's a huge quantity of USB enclosures flooding the market for
quite sometime that support UASP, which is very nice. This allows for
higher speeds by using the SCSI command set via the uas driver, and
offers various other advantages over the classic usb-storage driver.
These USB
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