Re: find hdisk given a filename

From: Leyden, Joseph (LeydenJ_at_METRO.NET)
Date: 12/27/04

  • Next message: Simon Marchese: "Re: find hdisk given a filename" 
    Date:         Mon, 27 Dec 2004 11:26:02 -0800
To: aix-l@Princeton.EDU

    Does this mean if there are 10 hdisks in a logical volume
    I have no way of finding out where a particular filename reside?

    It seems that some lower level command should be able to show this.

    Joe

    -----Original Message-----
    From: Justin Bleistein [mailto:justin.bleistein@TOWERSPERRIN.COM]
    Sent: Monday, December 27, 2004 11:11 AM
    To: aix-l@Princeton.EDU
    Subject: Re: find hdisk given a filename

    I'm assuming you mean, you want to know what physical hard disk a file like:
    "/etc/hosts" resides on?
    To figure that out find out which filesystem the file is on (considering you
    know the fully qualified pathname of the file "i.e. - /etc/hosts":

    # cd /etc
    # ls -l hosts
    info on hosts file...
    #

    Now check the filesystem you are currently in, the filesystem/directory to
    file lives:

    # df -k .
    /dev/hd4 xx xx xx xx xx /
    #

    Now the directory: "/etc/" which lives on filesystem: "/" which sits on
    logical volume: "/dev/hd4". Now you must find out
    what physical hard disk(s) the "/dev/hd4" logical volume lives on:

    # lslv -l hd4 (hd4 - being the logical volume name):

    PV COPIES IN BAND DISTRIBUTION
    hdisk0 001:000:000 100% 001:000:000:000:000
    hdisk1 001:000:000 100% 001:000:000:000:000

    Under the PV column will be the name of the hdisk the logical volume: "hd4"
    resides on. Then just trace that back to the file in
    the same hierarchy I explained earlier. Now the list of two physical
    volumes/disks means this logical volume is either mirrored
    or is soo big that it spans multiple disks.

    Hope this helps.
    Thanks.

    --Justin Richard Bleistein
    AIX Systems Administrator

    "Leyden, Joseph" <LeydenJ@METRO.NET>
    Sent by: IBM AIX Discussion List <aix-l@Princeton.EDU>

    12/27/2004 01:43 PM

    Please respond to
    IBM AIX Discussion List <aix-l@Princeton.EDU>

    To
    aix-l@Princeton.EDU

    cc

    Subject
    Re: find hdisk given a filename

    Is there a command to find out which hdiskXX a particular file belong to?
    thank you in advance ...

    Joe

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  • Next message: Simon Marchese: "Re: find hdisk given a filename"

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