RE: [ActiveDir] [OT] RAID 5 Best Practice

Abouelnasr, Jerry Thu, 18 May 2006 13:18:06 -0700

Title: RE: [ActiveDir] [OT] RAID 5 Best Practice

What’s a reason for using a local group or account on a file server?

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dave Wade
Sent: Thursday, May 18, 2006 11:42 AM
To: [email protected]
Subject: RE: [ActiveDir] [OT] RAID 5 Best Practice

I said "may" not "typically". There are reasons for using local accounts (or groups)...

-----Original Message-----
From: [EMAIL PROTECTED] on behalf of [EMAIL PROTECTED]
Sent: Thu 18/05/2006 19:29
To: [email protected]
Cc:
Subject: RE: [ActiveDir] [OT] RAID 5 Best Practice

>>>....but then you may have issues with the permissions on the second drive
if you get a different SID on the re-build....

On a file server? Do you typically use local file server accounts for your
permissioning?

Sincerely,
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________________________________

From: [EMAIL PROTECTED] on behalf of Dave Wade
Sent: Thu 5/18/2006 11:12 AM
To: [email protected]
Subject: RE: [ActiveDir] [OT] RAID 5 Best Practice

These days I am much more curious as to the benifits of RAID5? It slows the
I/O down. It can really crawl if you loose a drive and the server has to
rebuild the missing volume?

As for multiple partitions, I can't actually see any real advantage on a file
server. You can easily move the files to any drive and just re-share the
folders. I guess it does make for an easier wipe and build, but then you may
have issues with the permissions on the second drive if you get a different
SID on the re-build.

        -----Original Message-----
        From: [EMAIL PROTECTED] on behalf of Timothy Foster
        Sent: Thu 18/05/2006 18:28
        To: [email protected]
        Cc:
        Subject: RE: [ActiveDir] [OT] RAID 5 Best Practice


        Thanks, Brian. That makes sense.

        So if I have a 4 disk array on a single backplane, and given that I
want the benefits of RAID 5, is there any argument for configuring more than
one partition on the array? I realize that this is potentially too much of
an open-ended question, but I'm curious :-). The basic premise is that this
server would be a workhorse domain member/file server. Would one partition -
C: - combined with carefully configured share and NTFS permissions provide
adequate security? Or is it better to put the OS on C: and the shares on D: ?
Or does the benefit of partitions lie somewhere else - for example, if I
wanted to wipe C: and reinstall the OS without touching D: ? (I'm not sure
if I like this idea, but as I mentioned, I'm curious...).

        Thanks,

        Tim

________________________________

        From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Brian Desmond
        Sent: Thursday, May 18, 2006 12:53 PM
        To: [email protected]
        Subject: RE: [ActiveDir] [OT] RAID 5 Best Practice



        Tim-



        It doesn't really matter. The RAID controller has no idea about the
partition table. It just presents a LUN to the OS and the OS writes to it.



        Thanks,
        Brian Desmond

        [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>



        c - 312.731.3132





________________________________

        From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Timothy Foster
        Sent: Thursday, May 18, 2006 12:19 PM
        To: [email protected]
        Subject: [ActiveDir] [OT] RAID 5 Best Practice



        Using a RAID controller's configuration utility I can build and
initialize a RAID 5 container. When installing the OS, I can, if I choose,
create a partition. Is this a good or bad idea? In other words, if I
partition RAID 5 container during the OS install will it make any difference
if I ever need to replace a drive and rebuild the array? Will the partition
table be recognized during the rebuild?



        Thanks for your input.



        Tim





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