Finding An External Physical Disk - NEC Express5800/320Ma Administrator's Manual

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Finding an External Physical Disk

For disks in external storage systems, the operating system assigns letter designations
to the logical volumes on the physical disks. Windows Disk Management assigns a disk
name to each physical disk in an external storage system and displays which logical
volumes reside on each named disk. For a particular volume, you can use the disk
name in conjunction with ftSMC to identify the location of the physical disk that contains
that volume.
To find a volume's physical disk
1. In the Windows Disk Management tool (accessed from My Computer), find the
disk name that contains the volume in question. These disk names may or may not
be numeric; however, they do not correspond to disk locations. Volume information
is displayed along with the disk name.
2. Note the disk name that contains the volume you want to physically locate; for
example, Disk 3.
3. In ftSMC, expand Storage Enclosures, then Logical Disk Information, and then
click Logical to Physical Mapping.
4. In the Name column of the ftSMC details pane, find the disk name you noted in
step 2. Look up its corresponding device path ID in the Value column. This
identifies the physical location of the disk within the system. (See
Device Paths" on page 5-6
For example, Disk 3 may have the disk name Harddisk3 in ftSMC and have a
device path ID of 70/12/3. This disk would appear in ftSMC under the Storage
Enclosures node as Disk 3 in Slot 12 of Storage Enclosure - 70.
5. Use the device path ID determined in step
the disk location. You can also use
page 5-8
N O T E
The disks of EMC storage systems do not appear in
ftSMC.
for details.)
to help locate the disk.
N O T E
When external disks are resynchronizing, the Logical to
Physical Mapping details pane shows the disk that is
resynchronizing as SIMPLEX and includes the
percentage of the disk that has resynchronized: for
example, SIMPLEX (%20).
4
with the labels on the system to identify
"Diagrams of Component Locations" on
Disk Storage Management
Finding a Physical Disk
"Device IDs and
4-27

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