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Oracle® Secure Backup Reference
Release 10.1

Part Number B14236-03
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discoverdev

Purpose

Use the discoverdev command to detect NDMP-attached devices. The command also detects changes in configuration for NDMP-attached devices. Based on this information, discoverdev automatically updates device configuration for the administrative domain.

Oracle Secure Backup detects and acts on the following kinds of changes:

Oracle Secure Backup detects multiple hosts connected to the same device by comparing the serial numbers reported by the operating system. Oracle Secure Backup also determines whether any discovered device is accessible by its serial number; if so, it configures each device attachment to reference the serial number instead of any logical name assigned by the operating system.

See Also:

"Device Commands" for related commands

Prerequisites

You must have the modify administrative domain's configuration right to use the discoverdev command.

Syntax

discoverdev::=

disc•overdev { --host/-h hostname }... [ --quiet/-q ] [ --noupdate/-U ]
[ --missing/-m ] [ --verbose/-v ]

Semantics

--host hostname ...

Identifies the host name on which the discovery is to take place.

--quiet/-q

Suppresses the display of the discovery device status.

--noupdate/-U

Reports changes found during the discovery, but does not make configuration changes.

--missing/-m

Reports devices that were previously discovered but are no longer found.

--verbose/-v

Provides verbose output describing the devices found.

Example

Example 2-31 discovers devices for NDMP host filer_ethel.

Example 2-31 Discovering NDMP Devices

ob> lshost
filer_ethel      mediaserver,client                (via NDMP) in service
linux_admin      admin,mediaserver,client          (via OB)   in service
lucy             client                            (via NDMP) in service
nt_client        client                            (via OB)   in service
w2k              client                            (via OB)   in service
ob> discoverdev --verbose --host filer_ethel
Info: beginning device discovery for filer_ethel.
Info: connecting to filer_ethel
 
Info: devices found on filer_ethel:
   Info: ATL     1500            ...
      Info: mc3  attrs= [none]
         Info: WWN: [none]
         Info: SN:  PMC13A0007
   Info: Quantum SDLT220...
      Info: nrst7a  attrs= norewind raw
         Info: WWN: [none]
         Info: SN:  CXB45H1313
   Info: Quantum SDLT220...
      Info: nrst8a  attrs= norewind raw
         Info: WWN: [none]
         Info: SN:  PKB51H0286
 
   filer_ethel_mc3_2  (new library)
      WWN: [none]
      new attach-point on filer_ethel, rawname mc3
 
   filer_ethel_nrst7a_2  (new drive)
      WWN: [none]
      new attach-point on filer_ethel, rawname nrst7a
 
   filer_ethel_nrst8a_2  (new drive)
      WWN: [none]
      new attach-point on filer_ethel, rawname nrst8a