[clue] Whack-a-disk

[Dan Kulinski]

Actually that is a pretty good idea and a handy course.  Expect is useful
in all sorts of situations.


On Tue, Jul 29, 2014 at 1:28 PM, David L. Willson <DLWillson at thegeek.nu>
wrote:

> But now I demand that you teach an expect scripting class for SFS or CLUE,
> I mean. :-)
>
> Not that I have any right, but I can try.
>
>
> --
> David L. Willson
> Teacher, Engineer, Evangelist
> RHCE+Satellite CCAH Network+ A+ Linux+ LPIC-1 UbuntuCP NovellCLA
> Mobile 720-333-LANS(5267)
> http://sofree.us
>
> This is a good time for a r3VOLution.
>
> ------------------------------
>
> Thanks for sharing, this will work well with my cloud deployment and
> puppet to automatically assemble a Lustre file system.  No more expect
> script!
>
>
> On Tue, Jul 29, 2014 at 1:25 PM, David L. Willson <DLWillson at thegeek.nu>
> wrote:
>
>> Tried that. No dice. Actually what you said is how I used to do it, but I
>> was always annoyed by having to go interactive. If I'm going to go
>> interactive, I'm using cfdisk, because the interface is more pretty / less
>> suckful.
>>
>> I always wanted non-interactive and *perfect*. I finally figured out how
>> to get it today.
>>
>>
>> --
>> David L. Willson
>> Teacher, Engineer, Evangelist
>> RHCE+Satellite CCAH Network+ A+ Linux+ LPIC-1 UbuntuCP NovellCLA
>> Mobile 720-333-LANS(5267)
>> http://sofree.us
>>
>> This is a good time for a r3VOLution.
>>
>> ------------------------------
>>
>> Oh, I do this from the parted command line, not as an argument to parted
>> directly.  I wonder if you surround it with quotes?
>>
>>
>> On Tue, Jul 29, 2014 at 1:19 PM, David L. Willson <DLWillson at thegeek.nu>
>> wrote:
>>
>>> Interesting. Trying your switches, I'm getting that 0 is an invalid
>>> argument. It seems to think that by "-0" I mean to specify a switch, not a
>>> parameter to the mkpart.
>>>
>>>
>>> --
>>> David L. Willson
>>> Teacher, Engineer, Evangelist
>>> RHCE+Satellite CCAH Network+ A+ Linux+ LPIC-1 UbuntuCP NovellCLA
>>> Mobile 720-333-LANS(5267)
>>> http://sofree.us
>>>
>>> This is a good time for a r3VOLution.
>>>
>>> ------------------------------
>>>
>>> For aligned disks I general do:
>>> mkpart primary 1 -0
>>> I suspect that is sector aligned and not cylinder aligned?
>>>
>>>
>>> On Tue, Jul 29, 2014 at 12:51 PM, David L. Willson <DLWillson at thegeek.nu
>>> > wrote:
>>>
>>>> How can I quickly and simply wipe and re-partition a disk from a script?
>>>>
>>>> Here's a proposal, using sdc as the example.
>>>>
>>>> # Quickly wipe the head of the disk.
>>>> sudo dd if=/dev/zero of=/dev/sdc bs=16MB count=1
>>>>
>>>> # Create a new, basic partition table. Good for up to 2TB.
>>>> sudo parted /dev/sdc mklabel msdos
>>>>
>>>> # If you have a disk larger than 2TB, use this instead.
>>>> # sudo parted /dev/sdc mklabel gpt
>>>>
>>>> # Create a new, cylinder-aligned, primary partition, the full size of
>>>> the disk
>>>> sudo parted --align cylinder /dev/sdc mkpart primary 0% 100%
>>>>
>>>> The most interesting part might be that last line. I found many posts
>>>> by people looking for a way to create a partition using parted
>>>> non-interactively that is the full size of the disk and "properly aligned
>>>> for best performance", but I didn't find anyone giving the answer. So... So
>>>> that.
>>>>
>>>> --
>>>> David L. Willson
>>>> Teacher, Engineer, Evangelist
>>>> RHCE+Satellite CCAH Network+ A+ Linux+ LPIC-1 UbuntuCP NovellCLA
>>>> Mobile 720-333-LANS(5267)
>>>> http://sofree.us
>>>>
>>>> This is a good time for a r3VOLution.
>>>> _______________________________________________
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>>>>
>>>
>>>
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>>
>>
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>
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