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    From"Srikanth Venkataraman" <>
    SubjectIssue in using more number of devices with BFS setup in AS4
    DateFri, 17 Feb 2006 13:15:53 +0530
    Hi All,
    
    We have a Boot from SCSI setup and we are facing some problem. Problem
    description is given below
    
    System configuration: -
    OS: AS4 UPDATE 1  [2.6.9-11.ELsmp]
    Memory:  1 GB
    QLA2310 Driver Info: Driver version 8.00.00b21-k, Firmware version 3.03.02
    IPX
    Setup: Boot From SCSI
    
    Scenario 1:
    Devices: 1024 SCSI devices
    Utility gives the problem: /sbin/hotplug
    Observation: udev process hangs and after some time kernel panic occurs.
    
    Scenario 2:
    Devices: 512
    Utility:/sbin/hotplug
    Observation: Boot from San success.
    
    Scenario 3:
    Devices: 1024
    Utility: /sbin/udevsend
    Observation: Boot from San success
    
    
    Can any one answer the following queries: -
    
        1. Are 512, the maximum number of devices that can be supported in Boot
    from San in AS4 with hotplug agent?
        2. If not what is the hardware requirement for more devices to be
    supported or how it can be rectified?
        3. Can we use utility /sbin/udevsend instead of /sbin/hotplug. Will it
    impact any other process or devices?
        4. Is /sbin/udevsend and /sbin/hotplug similar in functionality.
    
    Thanks & Regards,
    Srikanth Venkataraman.
    
    
    
    
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