Check file system (FS) on iSCSI DriveLocked
I have NAS QNAP, and it has two (2) LUN iSCSI. One (3To) is for ESXi (intiator) and second ( 600Go) is for Windows Server (File server).
Windows server ( VM on ESXi) has 3 partitions: partition c: and partition D: are on local datastore and the third partition E: is on iSCSI Drive
When i open qnap web admin page, it notifie me to check FS because is not clean. no problem to access data.
But i have cobian job witch copy data from partition D: to E: (iSCSI Drive)
the job finish (success) with File System errors (Not all folders or files).
i assume that the problem is on this space storage.
I think topology is clear.
I need to know how i can do chkdsk /F on iscsi drive, because when i run it on E: partition, it tell me to unmount drive..i never did this.
can i make this disk offline? if i do it i think it will be not displayed, so i can not run the command !
Now nas qnap has about 14 To of DATA, how can i do the check FS SAFELY ? as reminder, there are two (2) LUNs on it so nas qnap is target iSCSI for ESXi (few VMS not all) and is target iSCSI for windows server.
i need help to understand the best approach to do this operation safely.