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Operating Systems Solaris OBP - root / mirror disk syntax Post 302338431 by sbk1972 on Tuesday 28th of July 2009 01:43:28 AM
Old 07-28-2009
OBP - root / mirror disk syntax

Hi all

Can someone explain to me the different syntax regarding how root / mirror disks are represented. I never truely understand the namely / device tress etc.

Let me give you an example. On one my my servers, the root and mirror drives are :-

A domain on a sunfire 6800 :-
devalias vx-rootdisk /ssm@0,0/pci@1a,700000/pci@1/SUNW,isptwo@4/sd@0,0:a
devalias vx-rootmirror /ssm@0,0/pci@1a,700000/pci@1/SUNW,isptwo@4/sd@1,0:a


On another server, a v880 the root / mirror drives are :-

devalias sds-mirror /pci@8,600000/SUNW,qlc@2/fp@0,0/disk@1,0
devalias sds-disk /pci@8,600000/SUNW,qlc@2/fp@0,0/disk@0,0


On another server, a 280, the root / mirror are :-

nvramrc=devalias mirror /devices/pci@8,600000/SUNW,qlc@4/fp@0,0/ssd@w500000e010bfd1d1,0:a

i.e. some have :a or :b or :c on the end of the device path. Why's this ? Is it hardware related ? when it says disk0,0 Im assuming its disk 0, slice 0 ?

How come the dfference in naming ?? This always gets me, and Ive never really truely known why this is.

Cheers
 

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METALINK(1)						      General Commands Manual						       METALINK(1)

NAME
metalink -- commandline metalink generator SYNOPSIS
metalink [input files] [ < mirror list] DESCRIPTION
This manual page documents briefly the metalink command. This manual page was written for the Debian distribution because the original program does not have a manual page. metalink allows you to generate metalinks from a list of mirrors and a collection of files. The files are hashed and the resulting metalink is generated on the stdout. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. -h --help Produce a help message --version Print out the name and version. --md5 Generate metalink from md5sum file(s). --addpath path Append a path to the mirrors ('/' is not checked) --headerfile arg Include file after the root element declaration. --nomirrors Don't read mirrors from stdin --hashlist List hashes only (implies nomirrors) --desc arg Add metalink description -d arg Include given digest --mindigests Include: md5 sha1 --somedigests Include: md5 sha1 ed2k --alldigests Include all possible digests Supported algorithms are (-d options): md4 md5 sha1 sha256 sha384 sha512 rmd160 tiger crc32 ed2k gnunet sha1pieces Mirror lists are single line definitions according to: [location [preference] [type] % ] mirror base url EXAMPLES
http://example.com/ as a mirror: echo http://example.com | metalink -d md5 -d sha1 * http://example.com/ as a mirror with preference and location: echo us 10 % http://example.com | metalink -d md5 -d sha1 * http://example.com/ as a mirror with preference only: echo 0 10 % http://example.com | metalink -d md5 * AUTHOR
This manual page was written by A. Bram Neijt bneijt@gmail.com for the Debian system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later version published by the Free Software Foundation. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL. METALINK(1)
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