Solved

dismount drive to run chkdsk

Posted on 2014-10-02
5
240 Views
Last Modified: 2014-10-09
I have a Windows 2003 server with the os on mirrored drives and data storage on a raid 5 array.  I need to run a chkdsk on the raid 5 array, but when I try to run the chkdsk from the command prompt it says “the volume must be dismounted, do you want to do that now?”  Can I dismount the raid 5 array and let the chkdsk run?  Will I lose the data on the array if I dismount it? How do I remount it when the chkdsk finishes?

thank you,
cja
0
Comment
Question by:cja-tech-guy
5 Comments
 
LVL 47

Accepted Solution

by:
dlethe earned 500 total points
ID: 40356793
Tell it to do it at reboot time, and then reboot.  This insures nothing is lost.
0
 
LVL 10

Expert Comment

by:t_hungate
ID: 40356812
I'm not sure I would run a chkdsk on a RAID array.  Chkdsk to my knowledge is not RAID aware and could end up requiring you to reinitialize the array.

I would suggest utilizing the software that accompanied your controller if possible.

There have been a few discussions on this topic on MS Technet.  
Ref: http://social.technet.microsoft.com/Forums/en-US/bf1a23a0-9e79-4a6f-9cf3-95d9ea625c44/to-chkdsk-on-raid-or-not?forum=smallbusinessserver

Hope this is helpful.
0
 
LVL 80

Expert Comment

by:David Johnson, CD, MVP
ID: 40357611
I'm not sure I would run a chkdsk on a RAID array.  Chkdsk to my knowledge is not RAID aware and could end up requiring you to reinitialize the array

Don't spread FUD,  Chomsky also doesn't know about SATA, IDE, SCSI, iSCSI, SAS either and it repairs the FILE SYSTEM which is maintained by the OPERATING SYSTEM which knows all about the FILE SYSTEM and passes off the disk commands to the disk controller defined in device manager.  

I've not seen the need to run CHOMSKY on a file system come up very often as NTFS is a journalling file system as compared to the FAT file system in which chkdsk had to be run to fix errors on almost every unscheduled shutdown.

When chkdsk unmounts a drive all it does is close all file handles to that drive and not allow the operating system to access that drive (partition) until it is finished then it automatically remounts the drive letter.  It does NOT repeat NOT break the RAID Array to do this, in fact it needs the RAID array to be up and running properly in order to access the file structure
0
 

Author Comment

by:cja-tech-guy
ID: 40357797
Update
I used Open Manage and I ran is consistency check on the array which finished without issue.  I will let you know if I get anymore pop ups saying there are corrupt files.

thanks,

cja
0
 
LVL 80

Expert Comment

by:David Johnson, CD, MVP
ID: 40357819
there is a difference between open manager and chkdsk .. open manager only checks the status of the disk blocks and knows nothing nor does it care about the file system, chkdsk knows nothing about the disk blocks but does know the file system.
0

Featured Post

Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Local Webcam passing through windows 2008R2 or 2012R2 Remote Desktop 4 64
Hard Drive surgery 10 143
RAID 5 and Upgrading drives 12 87
evulating CPU from family/model/stepping #s 6 27
Welcome to my series of short tips on migrations. Whilst based on Microsoft migrations the same principles can be applied to any type of migration. My first tip Migration Tip #1 – Source Server Health can be found here: http://www.experts-exchang…
The article will include the best Data Recovery Tools along with their Features, Capabilities, and their Download Links. Hope you’ll enjoy it and will choose the one as required by you.
This video Micro Tutorial explains how to clone a hard drive using a commercial software product for Windows systems called Casper from Future Systems Solutions (FSS). Cloning makes an exact, complete copy of one hard disk drive (HDD) onto another d…
Microsoft Active Directory, the widely used IT infrastructure, is known for its high risk of credential theft. The best way to test your Active Directory’s vulnerabilities to pass-the-ticket, pass-the-hash, privilege escalation, and malware attacks …

837 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question