Re: Diskpart worries

From: John Toner [MVP] (jtoner_at_DIE.SPAM.DIE.mvps.org)
Date: 11/05/04 

Date: Fri, 5 Nov 2004 17:26:19 -0500

Joe,

You should not take the quorum disk offline. You should not have the MSDTC
online while you're extending this disk...assuming your MSDTC resource is
using the quorum disk for storage. If not, then it is irrevelant. You really
shouldn't need to extend the quorum drive, but if you do need to extend the
disk where the quorum resides, uses MSCS to move the quorum log to a
different disk while you extend the quorum's old drive. The key is that you
do not want any open "handles" on the disk while you're extending the file
system.

You should only extend one disk at a time, so you shouldn't need to take all
resources offline. Only take the resources in that disk's group offline and
that should kill most of the handles on the disk. You might consider using
the handle.exe tool from www.sysinternals.com as well to verify there are no
handles on the disk when you extend.

I have used diskpart and 95% of the time (with W2K SP4 or 2003) it works
great. Even if you're one of the unlucky 5%, you will NOT lose data by
extending the file system. You may not have access to the extra freespace,
but you will not lose data. In the situations where I've seen diskpart fail
to extend the filesystem (even though disk manager thinks it did), Microsoft
can help you fix the issue as they have a utility to correct this.

Regards,
John

"Joe" <Joe@discussions.microsoft.com> wrote in message
news:0A03FB16-AB49-45B0-921C-418158221DFD@microsoft.com...
> Hi,
>
> I am looking to extend a volume using Diskpart. Two Windows 2K Adv Server
> nodes attached via SCSI to HP Smart Array Storage box using. Each Server
has
> redundant SCSI connections using Multipath 2.0 software. There are 7
> volumes, all Basic Disks. I have already configured my new drives and
added
> the free space using the HP ACU software. I see the 427GB of free space
at
> the end of the particular Volume that I wish to extend. The Volume is
> currently 300GB and the data is backed up. I know that I am supposed to
> power down one node and then take all Resources offline then bring only
the
> disks online, what about the Quorum drive and its MSDTC resource? Should
the
> Quorum drive alone be brought back online or the MSDTC as well. Then,
when I
> run Diskpart and tell it to extend the drive will it really work, meaning
> will I not lose any data? Has anyone else done this that can give me some
> feedback?
>
> Thanks very much!

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