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Groups > comp.sys.ibm.pc.hardware.storage > #2617

Re: chkdsk all partitions at once, including those without drive letters

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AndyHancock wrote:
> On Feb 11, 3:15 pm, "Rod Speed" <rod.speed....@gmail.com> wrote:
>> AndyHancock wrote:
>>> Toshiba computers come with 4 partitions. I've looked
>>> up the partition characteristics using the following:
>>> - Disk Management
>>> - PowerQuest Partition Table Editor
>>> - Partition Type codes at
>>> http://www.win.tue.nl/~aeb/partitions/partition_types-1.html
>>> The partitions are:
>>> 1. Type: 0x27 (Windows Recover Environment hidden partition)
>>> Size: 1.46 GiB
>>> Disk Management labels: Healthy (Active, Recover partition)
>>> 2. Type: 0x07 NTFS
>>> Size: Hundreds of GiB
>>> Disk Management labels:
>>> Healthy (Boot, Page File, Crash Dump, Primary Partition)
>>> 3. Type: 0x17 (Hidden Internal File System
>>> Size: 22.37 GiB
>>> Disk Management labels: Healthy (Primary Partition)
>>> 4. Type: 0x17 (Hidden Internal File System
>>> Size: 12.83 GiB
>>> Disk Management labels: Healthy (Primary Partition)
>>> I also have a paltry 1.x GiB of unallocated space after partition 4.
>>> Partitions 2,3,4 are of types 0x07 and 0x17, which are well
>>> described
>>> athttp://fixunix.com/help/9334-what-hidden-ifs-e-g-hpfs-0x17.html.
>>> Both are Internal File systems (IFSs), but 0x07 is unhidden while
>>> 0x17
>>> is hidden. IFSs seem to be OS dependent:
>>> - HPFS (OS/2)
>>> - NTFS (Windows)
>>> - Advanced unix or QUNX2.X(pre-1988)
>>> From exchanges here and elsewhere, the feeling is that partition 1
>>> is boot & SRP, while partitions 3 & 4 are for creating recovery
>>> discs (which don't come with the laptop), for disc-less recovery in
>>> case you don't have (or have access to) recovery discs, and for
>>> other-language versions of recovery. Partition 2 is simply C-drive,
>>> and contains the
>>> OS. When Ghosting, I use SRP switches for partition 1, and the clone
>>> satisfies the tests of booting properly, creating recovery discs,
>>> and doing disc-less recovery.
>>> Partitions 1,3,4 do not have letter drives. So
>>> I was wondering whether I can still use chkdsk
>>
>> I wouldnt, even if you change the partition type so Win will give it
>> a letter.
>>
>> Too much risk of chkdsk stuffing up the partition if it sees
>> something it doesnt like.
>>
>>> (and if I can do that for all the partitions at once, so much the
>>> better). I've surfed and found info on assigning letters to the
>>> partitions,
>>> but that option is grayed out in Disk Management.
>>
>> Because of the partition type.
>>
>>> I am also concerned about possible side effects of
>>> assigning letters on the intended functions of those drives.
>>
>> Yeah, could be dangerous if chkdsk gets to run auto on it.
>>
>>> Disk management, partitions, volumes, file systems -- stuff I never
>>> really knew about before having to clone (motivated by a boot
>>> failure scare).
>>
>> Yeah, it can be quite complicated.
>
> Franc, Rod,

> Thanks for that info on the effect of partition type on changability
> of drive letter and hazards of chkdsk changing the content.  Since
> this is a restoration from a clone, I can afford to take a chance. I
> was more concerned with breaking the functionality of partitions 3 & 4
> from changes that are caused by assigning and de-assigning drive
> letters. I'm not sure what are the possible changes that can result
> in, either within those partitions or outside of them. I vaguely seem
> to recall that some bookkeeping info about individual partitions are
> not stored in the partitions themselves -- some are stored in a
> "master" partition.

Thats really only true of bootable partitions.

Corse those recovery partitions are that, but its not very likely
that there will be any problem produced by changing the drive
type so the partition gets a letter, and as you say, its safe
enough with a clone where you can always just reclone.

> I can test the partitions by creating recovery discs and trying disc-
> less recovery, but I've created so many sets that I'm  running out
> of physical storage. I'd also have to restore my non-factory-default
> state from a clone. The process will take days. If I can get enough
> confidence that there are no function-breaking changes in drive letter
> [de]assigning, I won't bother.

> Rod, in response to what caused the BUMP on the replacement drive,
> I found that I was swapping HDDs in & out of both the computer and
> enclosure in back-cloning, figuring out non-hot-swappability, etc. So
> I simply left the HDD in the enclosure without screwing it together.
> At the very least, it is probably safer from static.

> Did I think of the possibility that I'd forget that the enclosure was
> not bolted together? I was all too aware of the hazard, but it was
> such an obvious and big one that there was no way to forget. Well it
> wasn't the first time that I've been wrong about something like that.
> Now I will screw the enclosure together all the time, despite the
> uncooperative threading and added risk of misthreading. However, in
> learning that lesson, I also have to thoroughly test the HDD. Chkdsk,
> Hitachi DFT (which fortunately sees this HDD), SeaTools, Toshiba
> diagnostics, SMART report, etc.

Trouble is that with a serious BUMP the effect can show up months later.

Its probably fine tho, since it presumably happened with the drive not
spinning and so with the heads retracted. 

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Thread

chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-11 10:59 -0800
  Re: chkdsk all partitions at once, including those without drive letters Franc Zabkar <fzabkar@iinternode.on.net> - 2012-02-12 06:46 +1100
  Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-12 07:15 +1100
    Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-11 13:00 -0800
      Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-12 08:53 +1100
        Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-11 21:54 -0800
          Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-12 19:31 +1100
            Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-12 07:04 -0800
  Re: chkdsk all partitions at once, including those without drive letters Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2012-02-11 19:02 -0500
    Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-12 13:21 +1100
      Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-11 22:05 -0800
        Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-12 19:39 +1100
          Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-12 19:24 -0800
            Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-12 19:37 -0800
            Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-13 19:52 +1100
              Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-13 22:20 -0800
                Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-13 22:31 -0800
                Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-15 02:40 +1100
                Re: chkdsk all partitions at once, including those without drive letters AndyHancock <andymhancock@gmail.com> - 2012-02-14 20:51 -0800
                Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-15 16:12 +1100
                Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-15 02:36 +1100
      Re: chkdsk all partitions at once, including those without drive letters Rob <mesamine@gmail.com> - 2012-02-16 03:15 +1100
        Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-16 07:43 +1100
          Re: chkdsk all partitions at once, including those without drive letters Rob <mesamine@gmail.com> - 2012-02-16 14:29 +1100
            Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-16 16:05 +1100
              Re: chkdsk all partitions at once, including those without drive letters Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2012-02-16 12:40 -0500
                Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-17 07:59 +1100
                Re: chkdsk all partitions at once, including those without drive letters Rob <mesamine@gmail.com> - 2012-02-17 08:55 +1100
                Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-17 09:41 +1100
                Re: chkdsk all partitions at once, including those without drive letters Rob <mesamine@gmail.com> - 2012-02-17 10:14 +1100
                Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-17 11:20 +1100
                Re: chkdsk all partitions at once, including those without drive letters Rob <mesamine@gmail.com> - 2012-02-17 23:37 +1100
                Re: chkdsk all partitions at once, including those without drive letters "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-02-18 01:02 +1100

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