:: Re: [DNG] Fake RAID
Etusivu
Poista viesti
Vastaa
Lähettäjä: Hendrik Boom
Päiväys:  
Vastaanottaja: dng
Aihe: Re: [DNG] Fake RAID
On Wed, Mar 09, 2022 at 07:18:13PM +0100, Didier Kryn wrote:
> Le 09/03/2022 à 17:12, dng@??? a écrit :
> > On 09-03-2022 16:55, Hendrik Boom wrote:
> > > On Wed, Mar 09, 2022 at 02:42:07PM +0100, aitor wrote:
> > >
> > > > Did you read the following guide?
> > > >
> > > > https://wiki.debian.org/DebianInstaller/SataRaid
> > > Interesting note.
> > >
> > > What is a "fake RAID"?  Is it a RAID or not?
> > >
> > > -- hendrik
> > >
> > A real RAID controller has hardware and software on board and often a
> > battery backup. A "fake" RAID does have some hardware but no software or
> > better some software but depends on a Windows driver for the RAID
> > functions. Same trick as with Win modems and printers.
>
>
>     I have worked with Dell Poweredge servers around 15 y ago. These had
> PERC hardware RAIDs able to completely do the whole job without any help
> from the OS. The configured RAID devices were seen by the kernel as
> individual disks. After a few years working like this I configured the PERC
> so as to show every disk individually (therefore no RAID), and managed
> software RAIDs using mdadm. md RAIDS, not dm RAIDS. dm stands for
> device-mapper, which also means Logical Volume Manager. On the contrary of
> what is said in the Debian document, I found LVM (dm RAIDs) not much more
> usefull than md and overly complex. On the other hand, mdadm also is not a
> piece of cake but I can find my way with it and I have developped a graphics
> monitoring tool for it, actually a little web server displaying the status
> of all the host's md RAIDs.


That looks useful.
I already have a web server.
Is it possible to easily configure this thing so it provides content to an existing web server?

-- hendrik
>
>     What I mean is that there is probably the possibility to configure the
> PERC as no-RAID and build a software RAID on Linux, if this is manageable
> for your Win10.
>
> --     Didier
>
> _______________________________________________
> Dng mailing list
> Dng@???
> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng