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ioscan -fnCtape - Linux / Unix Administration

Hi. # ioscan -fnCtape Class I H/W Path Driver S/W State H/W Type Description ================================================== =================== tape 0 0/1/1/1.3.0 stape CLAIMED DEVICE HP C5683A /dev/rmt/0mb /dev/rmt/c3t3d0BESTb /dev/rmt/c3t3d0DDSb /dev/rmt/0mn /dev/rmt/c3t3d0BESTn /dev/rmt/c3t3d0DDSn /dev/rmt/0mnb /dev/rmt/c3t3d0BESTnb /dev/rmt/c3t3d0DDSnb /dev/rmt/c3t3d0BEST /dev/rmt/c3t3d0DDS Hi, i was just wondering why there is no /dev/rmt/0mn. On my other unix box, there is this 0mn but no c3t3d0BEST . Is this due to the stape patch? Please advise....

  1. #1

    Default ioscan -fnCtape

    Hi.

    # ioscan -fnCtape
    Class I H/W Path Driver S/W State H/W Type Description
    ================================================== ===================
    tape 0 0/1/1/1.3.0 stape CLAIMED DEVICE HP C5683A
    /dev/rmt/0mb /dev/rmt/c3t3d0BESTb
    /dev/rmt/c3t3d0DDSb
    /dev/rmt/0mn /dev/rmt/c3t3d0BESTn
    /dev/rmt/c3t3d0DDSn
    /dev/rmt/0mnb /dev/rmt/c3t3d0BESTnb
    /dev/rmt/c3t3d0DDSnb
    /dev/rmt/c3t3d0BEST /dev/rmt/c3t3d0DDS

    Hi, i was just wondering why there is no /dev/rmt/0mn. On my other unix
    box, there is this 0mn but no c3t3d0BEST . Is this due to the stape
    patch?

    Please advise.

    hosea.basis@gmail.com Guest

  2. #2

    Default Re: ioscan -fnCtape

    In article <googlegroups.com>,
    com wrote: 
    ^^^^^^^^^^^^ 

    You will get much better HP-UX results by posting to comp.sys.hp.hpux, but you
    *do* have a 0mn - see above...

    Additionally, sometimes not ALL device drivers for tape drives get created. You
    can create all of them through SAM as the easiest method.

    Kevin

    --
    Unix Guy Consulting, LLC
    Unix and Linux Automation, Shell, Perl and CGI scripting
    http://www.unix-guy.com
    Kevin Guest

  3. #3

    Default Re: ioscan -fnCtape


    Kevin Collins wrote: [/ref]
    Description [/ref]
    C5683A [/ref]
    /dev/rmt/c3t3d0BESTb [/ref]
    /dev/rmt/c3t3d0BESTn [/ref]
    /dev/rmt/c3t3d0BESTnb [/ref]
    unix 
    >
    > You will get much better HP-UX results by posting to[/ref]
    comp.sys.hp.hpux, but you 
    created. You 



    Hi. you are right. I made a typo mistake. It should be /dev/rmt/0m
    instead.

    Okay, i will check out SAM about creating this 0m

    thanks

    hosea.basis@gmail.com Guest

  4. #4

    Default Re: ioscan -fnCtape

    Kevin Collins wrote: [/ref]
    .... 
    comp.sys.hp.hpux, but you 

    I haven't had good results posting to vendor specific groups
    over the years. For HPUX the best place is the user forums
    on the HP ITRC web site. Many hockey-pucks folks hang out
    there, few on the newsgroup.
     
    created. You 

    Agreed. For completeness, do an "ls -l" on all of them and
    note the major and minor device numbers. On any UNIX the
    major number is the position of the driver in the dispatch
    table (modinfo gives it on Solaris, I forget if modinfo is
    on HPUX). On HPUX the minor number contains usefull bit
    ranges. No/yes-rewind gets a bit. So does Berkeley/not.
    High/medium/low density gets a few bits.

    So the ones like 0nbm are common names with other UNIX
    systems, the ones with *DDS* matches what's on the label of
    the physical tapes. I've never asked what the *BEST*
    means. Is it simply highest density? Sometimes I wonder
    if longest media life might be best.

    Doug Guest

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