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Can we schedule to run chkdsk /r on an ISCSI drive?

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Can we schedule to run chkdsk /r on an ISCSI drive?

Postby chicagotech » Fri Mar 24, 2017 11:56 am

Q: We have a Windows 2008 server with an iSCSI drive (map to EqualLogic SAN). The Event viewer lists this error: Event ID 55 - The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume Data. We CAN’T RUN CHKDSK /r without rebooting the server. Does anyone know if we can schedule to run chkdsk /r on an ISCSI drive?

A: Based on my test, schedule to run chkdsk doesn't work because the iSCSI drive does not mount until the iSCSI service starts. in this case, you should dismount the iSCSI drive or restart the server first and then run chkdsk /r manually.

If you restart the server, you may receive this message when running chksdk /r:
Chkdsk cannot run because the volume is in use by another process. Chkdsk may run if this volume is dismounted first. ALL OPENED HANDLES TO THIS VOLUME WOULD THEN BE INVALID.
Would you like to force a dismount on this volume? (Y/N)
Yes (Enter)
Volume dismounted

If you don't want to restart the server try to dismount the iSCSI drive by going to Computer Management>Storage>Disk Management. Find the physical disk resource on which you want to run Chkdsk, take the entire drive offline. This closes all of the handles to the physical disk. Then bring it online. To do this, right-click the disk resource, and then click Bring on-line.Now, you should be able to run chksdk /r.

Or refer to this post: How to mount or dismount iSCSI drive?
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