[ale] Got wrong page error

[Jim Kinney]

I'm not sure how a uuid would work on a raid0 drive rig. If the uuid is
larger than the stripe size it will never be found.

Easy fix is to not use raid0.
On Aug 29, 2013 6:17 PM, "Alex Carver" <agcarver+ale at acarver.net> wrote:

>
> I just did tests on both drives in the array and they're both fine, no
> issues with either one of them.  So now I'm even more confused about the
> errors.
>
> After installing on the array configured in RAID0, the bootloader is
> unable to find a partition with the UUID (the error is no such device
> /dev/disk/by-uuid/{UUID}.  When I installed under RAID 1, both drives had
> identical partitions (as they should) and they both had the same UUID and
> bootup proceeded normally.  I even unmirrored the drives and booted each
> one separately (after changing the UUID on one of them slightly) and had no
> issues there.  So there's something going on with RAID 0 (LSI SAS
> controller) that I'm not understanding.
>
> On 8/29/2013 07:07, Alex Carver wrote:
>
>> Having backups was the intent.  This array is supposed to hold the OS.
>> Regular data is going on three external arrays later.  Right now I'm
>> just trying to solve the problem I'm having with installing the OS at all.
>>
>> On 8/29/2013 01:02, JD wrote:
>>
>>> Danger Will Robinson!
>>>
>>> The only time that I've experienced massive data loss was due to this
>>> configuration. I lost not only the data on the bad drive, but all the
>>> data on
>>> the 2 other drives in the stripe.  Files are written across all the
>>> drives in
>>> the RAID set, tiny parts at a time.
>>>
>>> * Have excellent backups OR
>>> * Only use RAID0 storage for extremely temporary files.
>>>
>>>
>>> On 08/29/2013 03:30 AM, Alex Carver wrote:
>>>
>>>> I hope not but I'll check with a test install using RAID 1 instead.
>>>> And yes
>>>> it's RAID 0 but Dell just calls it striping across drives in the BIOS.
>>>>
>>>> On 8/28/2013 21:49, Jim Kinney wrote:
>>>>
>>>>> "striping across 2 drives" ?
>>>>>
>>>>> RAID 0?
>>>>>
>>>>> If so, you've got a bad drive.
>>>>>
>>>>>
>>>>> On Wed, Aug 28, 2013 at 6:49 PM, Alex Carver
>>>>> <agcarver+ale at acarver.net>**wrote:
>>>>>
>>>>>  I'm installing Debian 7.1 clean on a Dell Precision 690 with
>>>>>> on-board RAID
>>>>>> (Xeon and using the amd64 install image).  The RAID is configured for
>>>>>> striping only across two disks.  Installation from the CD runs
>>>>>> along with
>>>>>> no apparent issues (right now it's not connected to the network so
>>>>>> I'm only
>>>>>> performing a bare-bones install to test).  However, when it boots I
>>>>>> get a
>>>>>> "wrong page" error a few times and then the whole thing stops and
>>>>>> drops me
>>>>>> into busybox.  The messages include not being able to find the UUID
>>>>>> of the
>>>>>> array, no /dev, and a couple others like that.
>>>>>>
>>>>>> I can't seem to find anything online that can explain the issue.
>>>>>> Ideas?
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