[ML-General] hardware RAID

[James Fluhler]

Apparently David its a company called southern light, they have committed to bring fibre to hsv in the next year initially just for businesses but allowing local ISPs to tap their fibre line to provide faster service to homes. They are hinting at 100gb for businesses and 1gb for homes potentially.

James F.

> On Jun 12, 2015, at 9:23 AM, david <ainut at knology.net> wrote:
> 
> The Google gig?  I'll believe it when I see it, but we can dream.
> 
> I would sincerely LOVE to get rid of an ISP, regardless of bandwidth.  
> 
> David
> 
> 
> 
> 
>> On 06/12/15 08:57, James Fluhler wrote:
>> Not related but semi related you hear all that news about fibre coming to hsv? Maybe 1gig the the outside world isn't so far away if you live in the right area!
>> 
>> James F.
>> 
>> On Jun 11, 2015, at 5:11 PM, david <ainut at knology.net> wrote:
>> 
>>> I'm thinking about putting all the computers on the network disk array, including the SOC's: beaglebone blacks, arduino mega256, and the RPi2.  I would not mind doing the compiles (and maybe even the booting!) on the hard drives instead of the limited-life SD cards and 'flash' that are on the SOC's.  Any of you guys done that?  Everything in the house is 1Gb Ethernet.  If only I could get that to the outside world <heavy sigh.>  :-)     
>>>  Already have the BBB's booting of the SD card, which you have to do with the rev B's and their 2 Gb size..
>>> 
>>> David
>>> 
>>> 
>>> 
>>> 
>>>> On 06/11/15 17:01, david wrote:
>>>> There was an itsy-bitsy blurb about it on Debian's site but there were no details given and, doing Yet Another Fresh Install (copyright), I could not find it in any of the auto OR manual disk setups.  <sigh>  This was less than a month ago.
>>>> 
>>>> David
>>>> 
>>>> 
>>>>> On 06/11/15 16:56, Brian Oborn wrote:
>>>>> 
>>>>> 
>>>>>> On Thu, Jun 11, 2015 at 4:49 PM, WebDawg <webdawg at gmail.com> wrote:
>>>>>> 
>>>>>> 
>>>>>>> On Thu, Jun 11, 2015 at 2:41 PM, david <ainut at knology.net> wrote:
>>>>>>> Software Linux raid is fine with the striping but it sucks at mirroring.  The second (mirror) drive is NOT identical in any shape form or fashion.  Even the partitions are different.  And it is not bootable!!!  In mirroring, I want immediate fail-over, or at most, one shutdown, remove/replace drive, then back up right where I was.
>>>>>>> 
>>>>>>> Thanks,
>>>>>>> David
>>>>>> 
>>>>>> I agree.  I had to go through hell with a Debian mdadm system to install the boot loader on both drives.  I know this is a problem with a few software raid solutions.
>>>>>> 
>>>>>> 
>>>>>> Anyone know if this has been fixed in any OS + Filesystem/Software Raid?  One of the things that killed me was if the bootloader was corrupted on one disk, or the disk was partially corrupted or something, in a software raid scenario, the bios has to know to move to the next disk, but when does that ever happen?
>>>>>> 
>>>>>> This was a big failing with software raid.  I am sure it could be hacked around by placing the bootloader somewhere else...or something.
>>>>>  
>>>>> Again, this isn't a problem with the software RAID, but just how Linux works. mdadm doesn't know anything about the MBR since it's not in a partition. Instead you configure the bootloader to install itself on the MBR of both drives. IIRC some installers (Debian maybe?) offered to do this for you.
>>>>> 
>>>>> 
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