Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS?

From	ANTant@zimage.com (Ant)
Subject	Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS?
Newsgroups	alt.comp.periphs.hdd, comp.sys.ibm.pc.hardware.storage, comp.sys.mac.hardware.storage, comp.sys.mac.system, alt.windows7.general
References	<_aqdnX7pDonIfOHLnZ2dnUU7-S2dnZ2d@earthlink.com> <mcqdnaDYcdmjQBzLnZ2dnUU7-dednZ2d@earthlink.com>
Message-ID	<qcydnTCLPrf7ZBzLnZ2dnUU7-IednZ2d@earthlink.com> (permalink)
Date	2015-12-28 21:09 -0600

Cross-posted to 5 groups.

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With the long and hard way. I did all the tedious partitioning in W7 
(only NTFS though since FAT weren't offered)) first, then go back Mac OS 
X to make a partition HFS+ with its encryption. I checked both machines. 
No problems so far! I told W7 to encrypt a NTFS partition with its 
BitLocker that took a while (no format with encryption option like Apple 
does?). I rechecked with both machines. No problems. I reformatted the 
unencrypted NTFS to exFAT in Mac OS X since W7 wouldn't let me. I 
rechecked both machines, and no problems.

Right now, I'm writing a lot of data to both encrypted drives which will 
take a while to see how these go. So far, it seems like Mac OS X's Disk 
Utility messed up my partitions when doing encryption after creating 
partitions instead of having MS W7 do it slowly?

TO BE CONTINUED AGAIN... :/


In comp.sys.mac.hardware.storage Ant <ANTant@zimage.com> wrote:
> OK, I messed around with this and figured the quickest way to reproduce 
> this issue between platforms after playing with issue more during my 
> free time. 

> I had problems erasing everything on the HDD with Mac OS X's Disk 
> Utility. It wouldn't even let me its remove partitions. I had to use 
> Windows 7's Disk Manage to manually delete all the (partition/volume)s 
> except its 200 MB EFI System Partition (not changeable?). I also noticed 
> it cannot make multiple partitions in a single shot like in Mac OS X's 
> Disk Utility since I had to make a big volume, shrink, make a smaller 
> volume, repeat. :(

> Anyways, I used Mac OS X's Disk Utility to make 3 new partitions (HFS+ & 
> 2 (ex or not)FAT [no NTFS option]). Everything looked fine when I wrote 
> text files and checked on both systems. Next, I tell Mac OS X's Disk 
> Utility to format that HFS+ with encryption. Everything was still OK in 
> Mac. I go to Windows and check, and things started having problem like 
> not seeing a FAT partition, files, etc. It seems like Apple is messing 
> up the partitions.

> I am going to reverse in creating partitions manually and slowly with W7 
> first, go to Mac's Disk Utility to format an encrypted HFS, recheck, 
> BitLocker encrypt a NTFS partition, and then recheck to see their 
> results.

> TO BE CONTINUED...

> In comp.sys.mac.hardware.storage Ant <ANTant@zimage.com> wrote:
> > Hi.

> > I'm having problems with my 2 MS partitions in my external USB 2 TB WD 
> > Green HDD. I wanted to have 2 encrypted partitions (W7 EE SP1's 
> > BitLocker NTFS and HFS[Time Machine and manual Mac files]) and an 
> > unencrypted FAT (tried both FAT32 and exFAT). I had no problems 
> > (mak/creat)ing them. 

> > The problem is that Mac OS X v10.10.5 (Yosemite) thinks I have 2 FAT 
> > drives (only 1 should exist while other is NTFS (assuming cannot be read 
> > due to its BitLocker encryption which is fine to me)). If I connect it 
> > to a W7 laptop/notebook, then only FAT can be seen.

> > I tried reformatting the encrypted BitLocker NTFS to unencrypted FAT in 
> > Mac OS X's Disk Utility which can be seen in Mac, but W7 does't see it. 
> > I tried letting W7's Disk Management make this unallocated partition to 
> > a new simple volume (NTFS or exFAT -- tried both), but it said "The 
> > operation you selected will convert the selected basic disk(s) to 
> > dynamic disk(s). If you convert the disk(s) to dynamic, you will not be 
> > able to stat installed operating systems from any volume on the disk(s) 
> > (except the current boot volume). Are you sure you want to continue?" I 
> > tried Yes and its Virtual Disk Manager said "The operation is not 
> > supported by the object." :(

> > I tried deleting all partitions and told Mac OS X's Disk Utility to 
> > recreate the 3 partitions (unencrypted HFS+ & 2 MS FAT partitions) from 
> > scratch. Everything was fine when I checked between machines. I told W7 
> > to format a FAT partition into NTFS with BitLocker encryption. After it 
> > was done, I rechecked with Mac OS X. Partitions were fine (yes, I know 
> > Mac can't read BitLocker encryptions so that partition stays hidden). I 
> > told Mac OS X to do a very long encrypted Time Machine backup and 
> > manually copy some files into this encrypted HFS+ partition for hours. 
> > After that, I went back to W7 and it can't see my BitLocker partition 
> > (unallocated)!

> > http://i.imgur.com/tJ5wWz6.gif and http://i.imgur.com/KBwAEct.gif and 
> > for my 2 screen (shot/capture)s from both machine with the same external 
> > USB HDD connected.

> > What's going on? Does having 2 different encrypted partitions not work 
> > with each other? Or am I doing something wrong? :(

> > Thank you in advance. :)
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Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2015-12-25 00:25 -0600
  Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Jolly Roger <jollyroger@pobox.com> - 2015-12-25 07:39 +0000
    Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2015-12-25 10:47 -0600
      Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Jolly Roger <jollyroger@pobox.com> - 2015-12-25 16:51 +0000
      Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-12-25 12:06 -0500
        Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2015-12-25 11:42 -0600
          Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-12-25 13:00 -0500
            Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Ant <ant@zimage.comANT> - 2015-12-25 10:13 -0800
              Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-12-25 13:17 -0500
                Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Ant <ant@zimage.comANT> - 2015-12-25 10:22 -0800
                Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-12-25 13:23 -0500
                Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Ant <ant@zimage.comANT> - 2015-12-25 10:36 -0800
  Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-12-25 23:31 +0000
    Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2015-12-26 21:21 -0600
  Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2015-12-28 19:09 -0600
    Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2015-12-28 21:09 -0600
      Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2016-01-29 22:15 -0600
        Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Wolffan <AKWolffan@gmail.com> - 2016-01-30 09:50 -0500
          Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2016-01-30 15:58 -0600
            Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Wolffan <AKWolffan@gmail.com> - 2016-01-30 19:25 -0500
            Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Michael Vilain <vilain@NOspamcop.net> - 2016-01-30 18:44 -0800
              Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Ant <ant@zimage.comANT> - 2016-01-30 19:27 -0800
                Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Jolly Roger <jollyroger@pobox.com> - 2016-01-31 03:52 +0000
                Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? Andreas Rutishauser <andreas@macandreas.ch> - 2016-01-31 08:33 +0100
                Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2016-01-31 19:15 -0600
          Re: Can't have both encrypted Mac's HFS+ & MS W7 EE SP1's BitLocker NTFS? ANTant@zimage.com (Ant) - 2016-01-30 16:02 -0600

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