HP LeftHand SAN Solutions Support Document - Application Notes - Best Practices for Enabling Microsoft Windows with SAN/iQ®

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Example
The following example will walk through the process of shrinking a 100GB
SAN Volume and NTFS file system down to 50GB.
Step 1: Run CHKDSK against the NTFS file system.
Step 2: Verify Backups.
Step 3: Create a Snapshot of the Volume on the SAN.
Step 8
(optional)
Re-establish the
Drive Letter or
Mount Point
Sometimes, when the file system is
shrunk, the drive letter or mount point
will need to be re-established for the file
system. This behavior is not consistent.
Step 9 Run CHKDSK
against the NTFS
file system
Ensure that the file system is healthy
after to initiating the process. If the file
system is not healthy, attempt to repair
the issues. If the file system cannot be
repaired, roll-back to the snapshot
created in Step 3 and try again. If the
problem persists, the file system may
have other systemic issues that may
prevent it from being shrunk.
Step 10
(optional)
Delete the snapshot
created in Step 3
Eventually, the instant snapshot created
as part of this process should be deleted
as it will no longer be needed.
Step
Number Summary Notes