[ML-General] hardware RAID

[david]

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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