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Thread: disk controller

  1. #1
    Join Date
    Jan 2000
    Location
    san jose
    Posts
    149
    hi, i don't familar sun,
    i was wondering how do i know how many disk control
    my sun machine have?

    also when use df -k
    it gives me information about CnTnDnSn, my question is
    what is T? what exactly does "target" means.

  2. #2
    Join Date
    Feb 2000
    Location
    Washington DC
    Posts
    1,843

    AFAIK,

    what it shows here is logical volume. You might need to go Veritas volume manager (whichever you use) to see the controllers you have.

    Usually there will be two controllers internal/external. I think big configurations might have more.

    logicalControllerTargetDiskSlice

    <font face=courier>
    /dev/dsk/c2t5d1s0 8685261 6382558 2215851 75% /oracle2
    /dev/dsk/c2t5d1s1 8685261 5852161 2746248 69% /oracle3
    /dev/dsk/c2t5d2s0 8685261 5384115 3214294 63% /oracle4
    </font>

  3. #3
    Join Date
    Nov 2000
    Location
    greenwich.ct.us
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    9,092
    You can get the information from prtconf -v, but you have to know what you are looking for. For example, fibre-channel controllers look different than regular old SCSI controllers. Also, the sys admin can hide which controllers are begin used by using software based RAID. The best way is to ask your sys admin.
    Jeff Hunter
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  4. #4
    Join Date
    Apr 2000
    Location
    roma
    Posts
    131
    You can use an oracle utility (depends on o/s and machine) placed in ..$ORACLE_HOME/bin called: unixenv You will get all the disk-enviorment information

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