[ML-General] hardware RAID

[Kirk D Mccann]

http://www.waaytv.com/tech_alabama/huntsville-city-council-approves-southern-light-fiber-optic-network/article_3f6ae9ea-054f-11e5-95dc-8bcae1918864.html

http://www.waaytv.com/tech_alabama/southern-light-discusses-huntsville-north-alabama-fiber-expansion/article_e8b5d5a4-d25b-11e4-a15f-270aecab8348.html

On Fri, Jun 12, 2015 at 12:28 PM, david <ainut at knology.net> wrote:

>  Let me just wipe this saliva off the side of my mouth...
> Man, I hope!
>
>
>
>
> On 06/12/15 12:14, James Fluhler wrote:
>
> 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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