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Full Discussion: slice & partition???
Top Forums UNIX for Dummies Questions & Answers slice & partition??? Post 302115121 by reborg on Saturday 21st of April 2007 04:30:10 PM
Old 04-21-2007
If you were using a logical volume manager it would depend on which logical manager you were using. If the RAID was done in hardware it would be presented as another disk.

For example if you created a SVM volume you would have 4 disks visible in /dev/dsk from which you would create a riad5 metadevice (md), lest say it is called md100 you would then treat /dev/md/(r)dsk/md100 as a disk in the same way as a /dev/(r)dsk/cXtY device.

In veritas you would have disks, you would add these to a diskgroup and create volumes. The devices you would mount would be located in /dev/vx/dsk/<diskgroup name>/<volume name>

If the RAID5 is done in hardware you would just see an extra disk in /dev/dsk.
 

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LEARN ABOUT LINUX

devnm

devnm(1M)                                                 System Administration Commands                                                 devnm(1M)

NAME

       devnm - device name

SYNOPSIS

       /usr/sbin/devnm name [name...]

DESCRIPTION

       The devnm command identifies the special file associated with the mounted file system where the argument name resides. One or more name can
       be specified.

EXAMPLES

       Example 1: Using the devnm Command

       Assuming that /usr is mounted on /dev/dsk/c0t3d0s6, the following command :

       /usr/sbin/devnm /usr

       produces:

       /dev/dsk/c0t3d0s6 /usr

FILES

       /dev/dsk/*

       /etc/mnttab

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       mnttab(4), attributes(5)

SunOS 5.10                                                          14 Sep 1992                                                          devnm(1M)
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