Re: RAID 0
- From: "Kerry Brown" <kerry@xxxxxxxxxxxxxxxxxxx*a*m>
- Date: Fri, 30 Jun 2006 08:29:30 -0700
It comes down to personal preference. I prefer to have the OS on a RAID 1
array. Given that preference you end up with an 80 GB array. It would
certainly be feasible to create partitions but given the size I wouldn't
bother. With the relatively low cost of hard drive space I prefer to err on
the side of too much. I always allocate at least 30 GB for the OS.
--
Kerry
MS-MVP Windows - Shell/User
SuperGumby [SBS MVP] wrote:
12GB is 'a little tight' for an SBS OS partition, IF creating a RAID1
pair to hold the OS (or if basing the system on any other drive
subsystem) I would currently recommend 20GB, but 12 is 'acceptable'
(barely).
The OP has four drives. Creating a RAID5 array out of 3 of them and
using the 4th as a hotspare is what I would do. If we're correct on
the drive size, 80GB, then this results in 160GB usable space, 20GB
for the OS would be good and one or two additional partitions for
DATA would be my preferred condition.
"Kerry Brown" <kerry@xxxxxxxxxxxxxxxxxxx*a*m> wrote in message
news:eKFnGIFnGHA.4376@xxxxxxxxxxxxxxxxxxxxxxx
I don't see a way around reinstalling. If the current setup truly is
RAID 0 you need to get rid of it. RAID 0 doesn't belong on a
production server except for very specialised uses. It sounds like
you have a hardware RAID controller. You would set it up in the
controller BIOS or with a supplied disk for the controller. From
your description it sounds like you have 4 x 80 GB hard drives.
Create a RAID 1 (mirror) with two of them and use this array for the
OS. 12 GB is way too small for the OS. 80 GB may be a little large
but it doesn't make sense to partition 80 GB. What you do with the
other two depends on what the server will be used for. Personally
I'd ditch them and install three larger drives in a RAID 5 array.
The next best option would be to install one more 80 GB drive and
create a RAID 5 array. If that isn't possible and your data storage
needs aren't that great create another RAID 1 array with the two
remaining drives. --
Kerry
MS-MVP Windows - Shell/User
JohnnyD wrote:
Thank you for your reply
What would be the best way of resetting the array?
Would it not be possible to just add another hard drive away from
the RAID Array and SBS backing up to it? (not entirely sure if that
is possible) Can one just change the Raid Array/Controller through
'Array Configuration Utility'?
And what about the Data already on (operating sys etc.) would like
to avoid reinstalling?
Sorry a little bit rusty on this!
Thank you again for your help.
"Leythos" <void@xxxxxxxxxxx> wrote in message
news:Qd9pg.6301$Eh1.4758@xxxxxxxxxxxxxxxxxxxxxxxxx
In article <#nxACrDnGHA.724@xxxxxxxxxxxxxxxxxxxx>,
jdiggle@xxxxxxxxxx says...
Hi
Just received new SBS 2003 with RAID 0 Array over four disks. I
think that this was a supplier error as was hoping for two sets of
two drives each striped, with the operating system on one pair, as
well as file, and backup & other files to be put on the other pair
of disks. (SBS preinstalled) Having switched it on and gone
through the SBS Setup, I have discovered in the Disk Management
console I have only one Logical Hard Disk (0) - with a 12Gb C
drive and 285+GB D-drive...
I can only assume that it is striping over all four disks - am I
correct in thinking that if one of the disks goes down then little
data will be redeemable? If so then surely there no point in doing
a system backup, since if there is a single hard drive corruption
then It will all go down. Can one add a normal basic disk for
systems backup purposes? (there will be offsite backup for data)
Than you in advance for any advice
RAID-0 - stripe without PARITY across all disks - any disk fault
and ALL data is lost.
If you are going to do this, make life simple, reset the array with
4 x Disk as RAID-5, so that you can have some redundancy, and then
make it one BIG partition. Yea, it's not a best practice, but it
will save you a lot of time moving things/profiles to the second
partition and it will keep you from running out of space on the
small C partition if you set it to 12GB.
--
spam999free@xxxxxxxxxx
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- References:
- RAID 0
- From: JohnnyD
- Re: RAID 0
- From: JohnnyD
- Re: RAID 0
- From: Kerry Brown
- Re: RAID 0
- From: SuperGumby [SBS MVP]
- RAID 0
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