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Linux Add Pool Snapshot

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In Brief

This tool creates a Linux NSS pool Snapshot on a specified device.


Product Categories:
  • Open Enterprise Server
  • Functional Categories:
  • Linux
  • Workgroup
  • Posted:7 Aug 2007
    File Size:4KB
    Publisher:Dean Giles


    Please read the note from our friends in legal before using this file.


    This tool creates a Linux NSS pool Snapshot on a specified device.

    It uses the Virtual File Services (Originally called Virtual File Services for NetWare) which were ported over to Linux. The SDK for this API set can be downloaded from The objective of the tool is to creat a Linux NSS Pool Snapshot on a specified drive using XML as specified in the VFS for NetWare specification. It is intended to be used as a sample script for developers that may want to use the VFS API set to view and manage storage.

    How to Use the file: is a Perl script. So Perl must be installed and running on the NetWare server that this file is being loaded on. NSS must be installed to get the VFS support.

    To run the perl script type:


    Where POOL_NAME is the name of the pool to create a snapshot of.
    Where FREE_SPACE_DRIVE_ID is the name of the linux drive that will store the snapshot data.
    Where NUMBER_OF_SECTORS is the number of sectors on the drive to allocate for the sanpshot.
    And where SNAP_NAME is the name of the new snapshot pool.


    perl NSSPOOL sdb 61440 NSSPOOL_SNAP

    Sample output:

    ran:/a # perl /dev/evms/NSS1 sdb 61440 snap
    file is now open
    File Name: +</_admin/Manage_NSS/manage.cmd
    Request Sent: <virtualIO><datastream name="command"/></virtualIO><nssRequest><pool><addPoolSnapshot>
    <result value="0"><description>success</description></result>
    <result value="0"><description>zOK</description></result>

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