Re: Rebuilding a Raid 1

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Sorry Kristian, by fakeraid I meant softraid.

I actually boot off an mdadm RAID0 on my main system. SO it is not a
requirement to use bios raid to boot off of these raid types.


On Sat, May 18, 2013 at 2:04 PM, Ian Stakenvicius, Aerobiology Research <
[email protected]> wrote:

>
> A small bit of terminology difference is being used, I think.
>  Traditionally:
>
> hardware raid:  raid cards that handle all HDD io independently.
>
> Bios raid / fake raid:  what dmraid is meant for (or mdraid, for isw)
>
> software raid: pure software/kernel solution; using mdraid.
>
> now, as for booting -- as far as I know the only way to boot a full raid0
> system is to use biosraid, since the bios cannot assemble the striped
> drives of a mdraid-0 in order to load the bootloader or kernel.  yes this
> is probably a rare config (i would never run it) but if someone so chose,
> dmraid would be the tool for this job.
>
>
> On 2013-05-18, at 6:00 AM, Danny <[email protected]> wrote:
>
> You can boot from mdadm fake RAID and it is far superior in terms of
> features and support/maintenence and the performance is the same. So anyone
> with a pure linux install would be better off in mdadm.
>
>
> On Fri, May 17, 2013 at 8:54 PM, Kristian Rasmussen <
> [email protected]> wrote:
>
>> On 17.05.2013 20:10, Danny wrote:
>> > The problem with dmraid is that the only people who use it are dual
>> booting
>> > windows,
>> Or anybody who wants to boot from fakeRAID.
>>
>> _______________________________________________
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>>
>
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<div dir=3D"ltr"><div>Sorry Kristian, by fakeraid I meant softraid.<br><br>=
</div>I actually boot off an mdadm RAID0 on my main system. SO it is not a =
requirement to use bios raid to boot off of these raid types.<br></div><div=
 class=3D"gmail_extra">
<br><br><div class=3D"gmail_quote">On Sat, May 18, 2013 at 2:04 PM, Ian Sta=
kenvicius, Aerobiology Research <span dir=3D"ltr">&lt;<a href=3D"mailto:ian=
@aerobiology.ca" target=3D"_blank">[email protected]</a>&gt;</span> wrote:=
<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"auto"><div><br>A small bit of te=
rminology difference is being used, I think. =A0Traditionally:</div><div><b=
r></div>
<div>hardware raid: =A0raid cards that handle all HDD io independently.</di=
v><div><br></div><div>Bios raid / fake raid: =A0what dmraid is meant for (o=
r mdraid, for isw)</div><div><br></div><div>software raid: pure software/ke=
rnel solution; using mdraid.</div>
<div><br></div><div>now, as for booting -- as far as I know the only way to=
 boot a full raid0 system is to use biosraid, since the bios cannot assembl=
e the striped drives of a mdraid-0 in order to load the bootloader or kerne=
l. =A0yes this is probably a rare config (i would never run it) but if some=
one so chose, dmraid would be the tool for this job.</div>
<div><div class=3D"h5"><div><br></div><div><br>On 2013-05-18, at 6:00 AM, D=
anny &lt;<a href=3D"mailto:[email protected]" target=3D"_blank">danwood76=
@gmail.com</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div><div =
dir=3D"ltr">
<div>You can boot from mdadm fake RAID and it is far superior in terms of f=
eatures and support/maintenence and the performance is the same. So anyone =
with a pure linux install would be better off in mdadm.<br>
</div></div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">O=
n Fri, May 17, 2013 at 8:54 PM, Kristian Rasmussen <span dir=3D"ltr">&lt;<a=
 href=3D"mailto:[email protected]" target=3D"_blank">kristian=
[email protected]</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div>On 17.05.2013 20:10, Danny wrote:<br>
&gt; The problem with dmraid is that the only people who use it are dual bo=
oting<br>
&gt; windows,<br>
</div>Or anybody who wants to boot from fakeRAID.<br>
<div><div><br>
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_blank">https://www.redhat.com/mailman/listinfo/ataraid-list</a><br>
</div></div></blockquote></div><br></div>
</div></blockquote><blockquote type=3D"cite"><div><span>___________________=
____________________________</span><br><span>Ataraid-list mailing list</spa=
n><br><span><a href=3D"mailto:[email protected]" target=3D"_blank">At=
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et=3D"_blank">https://www.redhat.com/mailman/listinfo/ataraid-list</a></spa=
n></div></blockquote></div></div></div><br>________________________________=
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