[clue] Whack-a-disk

[Chris Fedde]

1: Is there a problem using a GPT on a disk smaller than 2T?
2: You don't want to know expect.  Writing reliable code in expect that
deals properly with failure modes is painful and requires silly,
non-obvious timeout logic.


On Tue, Jul 29, 2014 at 1:30 PM, Shawn Perry <shawn at redmop.com> wrote:

> Seconded.  Crashplan via puppet would be sexy.
>
>
> 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.
>>>>> _______________________________________________
>>>>> clue mailing list: clue at cluedenver.org
>>>>> For information, account preferences, or to unsubscribe see:
>>>>> http://cluedenver.org/mailman/listinfo/clue
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> clue mailing list: clue at cluedenver.org
>>>> For information, account preferences, or to unsubscribe see:
>>>> http://cluedenver.org/mailman/listinfo/clue
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> clue mailing list: clue at cluedenver.org
>>>> For information, account preferences, or to unsubscribe see:
>>>> http://cluedenver.org/mailman/listinfo/clue
>>>>
>>>
>>>
>>> _______________________________________________
>>> clue mailing list: clue at cluedenver.org
>>> For information, account preferences, or to unsubscribe see:
>>> http://cluedenver.org/mailman/listinfo/clue
>>>
>>>
>>>
>>> _______________________________________________
>>> clue mailing list: clue at cluedenver.org
>>> For information, account preferences, or to unsubscribe see:
>>> http://cluedenver.org/mailman/listinfo/clue
>>>
>>
>>
>> _______________________________________________
>> clue mailing list: clue at cluedenver.org
>> For information, account preferences, or to unsubscribe see:
>> http://cluedenver.org/mailman/listinfo/clue
>>
>>
>>
>> _______________________________________________
>> clue mailing list: clue at cluedenver.org
>> For information, account preferences, or to unsubscribe see:
>> http://cluedenver.org/mailman/listinfo/clue
>>
>
>
> _______________________________________________
> clue mailing list: clue at cluedenver.org
> For information, account preferences, or to unsubscribe see:
> http://cluedenver.org/mailman/listinfo/clue
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://cluedenver.org/pipermail/clue/attachments/20140729/1951454a/attachment-0001.html