Storing exchange transaction logs on a RAID1 NAS

Posted on 2010-09-03
Last Modified: 2012-05-10
I run a home/SB exchange 2000 server with 10 mailboxes.  I also have a NAS with RAID1 on my network.  I had the thought of storing the exchange logs and system logs on that device in order to take advantage of the RAID1 redundancy.  I have 2 questions:

1.  Is this a good idea?
2.  If so, how do I get around the restriction that exchange 2000 says the logs must be stored on a "fixed disk?"  I found a reference that this was a registry tweak, but not what the tweak is.

Thank you experts!
Question by:Randy_R
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LVL 96

Accepted Solution

Lee W, MVP earned 125 total points
ID: 33599709
No, a better solution is to add two drives to your existing server and setup a RAID 1 via Windows.  When you lose the network if the logs are on the network, you can create problems for exchange.

Author Comment

ID: 33599739
I currently keep the databases and log files on a separate partition on the single physical disk on the server.  Can I add a USB drive as a 2nd physical disk and setup RAID1 through windows to use it for the log files (only).

Author Comment

ID: 33599778
Or 2 new USB drives?
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LVL 96

Expert Comment

by:Lee W, MVP
ID: 33599819
I would not advise that.  USB is potentially more unreliable than the network.  That could result in periodic mirror failures.  TECHNICALLY it should work (I've seen USB partial RAID configs before... accidentally...)and you'll also affect performance.  Drives are CHEAP.  Get two drives - internal - install and mirror.  Less than $100.

Author Comment

ID: 33599843
Ok.   Can I mirror just a partition, or is it the entire drive that is part of a RAID configuration?
LVL 96

Expert Comment

by:Lee W, MVP
ID: 33599919
When you add two new disks, you make them Dynamic to start (hardware RAID is always better, but this is a home server running an OS that is now 10 years old, so I'm suggesting the software RAID instead).  Once dynamic, you create partition(s) on one disk and then right click the partition(s) you want to make a mirror out of and select, I believe the option is, "add mirror".  So it just creates a mirror of the desired partition.

Author Comment

ID: 33599954
So I could upgrade my system disk (with its various partitions) to "dynamic" and then just mirror the partition with the transaction logs to a single physical drive I add to the existing system?  Sorry to be so dense but I want to get it right.

Author Comment

ID: 33600183
Never mind.  I just read that dynamic disks cannot contain logical partitions.  I'm all set I think.  Thank you.

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