[ML-General] hardware RAID

[david]

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 
> <mailto: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 
>>> <mailto: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 
>>>>>> <mailto:webdawg at gmail.com>> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>     On Thu, Jun 11, 2015 at 2:41 PM, david <ainut at knology.net
>>>>>>     <mailto: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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>>>>>
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