Hp Storage Mirroring Software User Manual Page 37

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Storage Mirroring Recover requirements Page 36 of 677
installed, you will need to review the patches available on the Microsoft web
site and install those that correct the Volume Shadow Copy service memory
leaks.
l Snapshot file system—Your servers must be using the NTFS file system. If
you are using a FAT file system, the FAT volumes will not be included in the
snapshot set, and when the snapshots are reverted, the FAT volume will not
be time-consistent with the NTFS volumes.
l Snapshot configuration—If you have related data on different drives on
your source (for example, an Exchange database on one drive and related
log files on another), snapshots of each drive must be taken simultaneously
so that the snapshots for each drive represent the same point in time.
However, based on snapshot technology, different snapshots cannot be
taken at the same time. To work around this limitation and guarantee data
integrity on the target, you need to create a mount point, thus ensuring that
one point-in-time consistent snapshot will be taken of both volumes at once.
To create a mount point, create an empty folder on one of the drives. Using
the Disk Management tool in the Windows Computer Management applet,
remove the drive letter from the other drive. Then create a mount point by
selecting Mount in the following empty NTFS folder and specifying the
folder you just created. If you have multiple drives, create an empty folder on
the drive for each of the other drives and create mount points to each of the
folders. When the snapshot is taken of the drive, each mount point will be
included in the snapshot. You will need to modify your applications to specify
the new location for the files that are now on the mount point. For additional
details on creating and using mount points, see your Windows reference
manual. For details on modifying your applications, see your application
reference manual.
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