Groups > comp.sys.ibm.pc.hardware.storage > #6618

Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)?

From	ANTant@zimage.com (Ant)
Subject	Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)?
Newsgroups	comp.sys.ibm.pc.hardware.storage, comp.sys.mac.hardware.storage, comp.sys.mac.system
References	(5 earlier) <jpednbqQT-LCddbLnZ2dnUU7-SGdnZ2d@earthlink.com> <1me3cbz.1gjb0y5xiv0t3N%dempson@actrix.gen.nz> <z9OdnVVH66p1IdHLnZ2dnUU7-fGdnZ2d@earthlink.com> <IuOdndbHIo2aTdLLnZ2dnUU7-WWdnZ2d@earthlink.com> <1me9juu.5o7rp21khfw52N%dempson@actrix.gen.nz>
Message-ID	<0bCdnW2IEt0FNc3LnZ2dnUU7-aWdnZ2d@earthlink.com> (permalink)
Date	2015-11-21 11:23 -0600

Cross-posted to 3 groups.

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> > I decided to do more experiments for curiousity and fun. I decided to
> > use one of the non-Vantec brands and redo the 3 partitions (2 Mac OS 
> > Extended FS + 1 FAT) on the drive. I didn't put any data on it yet. I
> > disconnected and connected with the Vantec brand, and it couldn't see
> > them! I put in the OTHER non-Vantec brand, and it saw them! So both 
> > non-Vantec brands could see it, but not Vantec.

> That suggests the host relies on the sector size reported by the USB to
> SATA bridge, and is not trying to deduce the sector size from the
> partition map.

> > I reconnected them to the 64-bit W7 EE SP1 laptop/notebook. Similiar
> > results even though it told me that FAT partition (E:) was unreadable and
> > asked me to format it or not. Oy!!

> That probably means OS X isn't doing anything unusual.

> > Is there even a way to make all three and others, that I don't have, 
> > work? Maybe I need a different brand? I might as well get this issue 
> > resolved to avoid later. Darn electronics like computers. :(

> For more data, try other drives with different capacities.

Yeah, when I get more drives. It sounds like this would only happen with 
the newer big drives since they can use 4K sizes?


> I expect that you will run into the same problem with any Advanced
> Format drive: the Vantec adapter will always use 4K sectors, the other
> adapters will always use 512e mode (because they don't support 4K
> sectors).

And we can't change the sector sizes in Disk Utility? I didn't see those 
options. :/
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Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? ANTant@zimage.com (Ant) - 2015-11-16 20:44 -0600
  Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? Jolly Roger <jollyroger@pobox.com> - 2015-11-17 02:56 +0000
    Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? ANTant@zimage.com (Ant) - 2015-11-17 01:09 -0600
      Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? dempson@actrix.gen.nz (David Empson) - 2015-11-17 20:28 +1300
        Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? ANTant@zimage.com (Ant) - 2015-11-17 02:30 -0600
        Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? ANTant@zimage.com (Ant) - 2015-11-17 11:59 -0600
          Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? ANTant@zimage.com (Ant) - 2015-11-17 16:07 -0600
          Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? dempson@actrix.gen.nz (David Empson) - 2015-11-18 13:59 +1300
            Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? ANTant@zimage.com (Ant) - 2015-11-17 20:54 -0600
              Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? dempson@actrix.gen.nz (David Empson) - 2015-11-18 18:01 +1300
                Re: Mac OS X doesn't see the encrypted partitions on my external SATA HDD when using different adapter/controllers? ANTant@zimage.com (Ant) - 2015-11-18 12:01 -0600
                Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? ANTant@zimage.com (Ant) - 2015-11-20 19:59 -0600
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? ErikRS <mac-dane@is.invalid> - 2015-11-21 04:23 +0100
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? ANTant@zimage.com (Ant) - 2015-11-21 00:14 -0600
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? dempson@actrix.gen.nz (David Empson) - 2015-11-22 01:11 +1300
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? ANTant@zimage.com (Ant) - 2015-11-21 11:23 -0600
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? dempson@actrix.gen.nz (David Empson) - 2015-11-22 10:04 +1300
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? ANTant@zimage.com (Ant) - 2015-11-21 16:51 -0600
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-11-22 05:05 +0000
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? ANTant@zimage.com (Ant) - 2015-11-22 00:19 -0600
                Re: Can't see the partitions on my external SATA HDD when using different adapter/controllers (Vantec vs. no brand name)? Robert Nichols <SEE_SIGNATURE@localhost.localdomain.invalid> - 2015-11-22 09:51 -0600

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