Re sizing Server 2003 D: drive without taking it down, no more HDD space left

I have IBM Notes Domino running on a Server 2003. My .nsf stuff is on D: drive, which I am running out. IBM Lotus Domino doesn't like when its out of space. I got very very little space on C: drive as well. What are my options to increase the size of D: drive without taking it down?
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Since the requester specifically requested a solution whithout taking down the server I opted to use mounting instead of dir files.
Re: mail archiving and quota: I would implement DAOS before doing archiving.  Several reports show an average of 60% diskspace saved, without having to bother users with quota or archives. Also, archiving DAOSified mail is a lot faster...

On Windows, the recommendation to put your NLO files on a separate disk is a huge performance improvement. Same holds for the transaction logs.

Tip for DAOS: make sure you set DAOS_ENCRYPT_NLO=0 before activating DAOS.  Saves a lot of grief when restoring stuff to a different server.
It is possible only when you have dynamic disc D:  in your server and when you can  add storage to server without shutting it down (ex. add some space from storage array).
andreasSystem AdminCommented:
IF the system supports hot swap, insert a new harddisk and enlarge your D drive with space from the new drive. By converting the disk to a dynamic disk and add space from the new disk to D drive.

But its a quick and dirty solution, if either of the both disks break the data is lost/damaged. Also the converting process is not totally safe and could go wrong and damage either c and d partitions.

So you need a recoverable full system backup in any case.

Be aware that this move cannot be undone, you cant UNSPAN the new disk from the old one.

A better and cleaner way would be a migration to a bigger drive even it will cause downtime.
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If you have no other drives available, you're out of luck, unless you have some large full text indexes which users can be temporarily without.

If you do have other drives with space, and D: is NTFS, you can mount folders from other drives into the Data directory for Domino.

Then you can move stuff there.
In the long run: upgrade to latest Domino release and fix.  Implement DAOS and db compression, offloading to other drives of temp dir, Fulltext indexes, Transaction logs and DAOS files.  See great article by Stephan Wissel: Building a high performance Domino server
Sjef BosmanGroupware ConsultantCommented:
Mounting other drives or directories is even easier than that: you can move complete directories out of the way, to another disk, if you want to, by creating one or more Directory Links (as  .DIR files).


For example, you could move the complete Mail sub-directory out of the way. To do that, create a sub-directory of a different data disk, e.g. E:\NotesMail, move all mail databases in the current Mail directory to the new one, remove the old, now empty, Mail directory, and create a directory link in Domino (use the Admin client) with the name Mail.dir containing a link to E:\NotesMail. It is better to shut down the server before you attempt this operation, so you might have to create this Mail.dir file manually.

And indeed, you need an E: drive with lots of space.

You could also start mail archiving and set mail quota, to reduce the size of mail databases.
Jonathan BriteSystem AdminCommented:
I have always used Easus partition tool(EPM) to resize disks on the fly without rebooting.  It is free when being used in a non server environment, but as a company, we made the decision to buy a copy to be used in our server environment and we use it often.  Well worth the few hundred bucks to get a server version as it is very easy and works with basically all operating systems.
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