Re: PCI ATA card support - fun stuff
On Mon, 24 Mar 2003, Pigeon wrote:
> On Mon, Mar 24, 2003 at 03:08:15PM +1100, Lindsay Yardley wrote:
> > G'day Alvin/All,
> > | - why do you want raid???
> > I'm setting up a file/print server.
does NOT justify raid ...
but if you mean its a home server or mail server or webserver,
you can use multimount solaris style NFS
( linux has a way to go )
otherwise, an offline redundant live backup works good to if yu
cn handle a couple minutes downtime
> > hda1 - /boot
> > hda2 - /
i'd make "/" a root-raid device....
and i'd scrap /boot, ... those are olden dayz when the kernel
could read above 1024 to boot strap itself up...
( just be sure / is under 1024 cyl ...as opposed tothe whole disk )
> > hda3 - swap
> > hde/g raid set - /var
no point in making /var a raid device...
> > hde/g raid set - /home
good idea to make user data raid if you need a live 2nd copy
but if / dies... you're dead ... therefore no value from /home as raid
good thing about keeping the system as a standalone/regular linux install
and "user data" as raid...
- you can always build a new linux intall in 5 minutes ... :-)
but you cant do that w/ user data that can be 10TB of data
> You seem to have the hardware working, so the hard part is over.
my real raid test.. ( if you're usng /dev/hda and /dev/hdc )
- unplug /dev/hda
- see if it boots and works properly in degraded mode
- restore it .. let it resync
- unplug /dev/hdc
- see if it boots and works properly in degraded mode
- restore it .. let it resync
- write a 4GB sized files.. several times ... compare each one
individually to the master copy
- replace /dev/hda with a brand new disk !!
and it should all magically work
-- if everything is done right ... you do NOT need to touch the keyboard
to get it booting/running... it should all work by itself
c ya
alvin
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