Configrating RAID5 on LSM

From: CLAUDINE BERTHOUD (CBERTHOUD@proxis-services.fr)
Date: Thu Sep 05 2002 - 03:46:53 EDT

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Hello,

I am doing tests on lsm running on Tru64 UNIX V5.1A.
Configuring mirrored, striped volumes is no problem.
Now, I want to configure a Raid5 volume.
I am attempting to do this on 3 partitions : dsk0f, dsk1f and dsk2f.
I get error messages
using volassist :
        lsm:volassist: ERROR: Cannot allocate space for 2097152 block volume

using volmake :
        lsm:volmake: ERROR: Subdisk data_raid02-01 not in configuration
        lsm:volmake: ERROR: Subdisk data_raid01-01 not in configuration
        lsm:volmake: ERROR: Subdisk data_raid00-01 not in configuration
dxslm and lsmsa refuse too !

Is it possible to use 3 partitions rather than entire disk ?
Is "3" enough ?
What are the restrictions ? What is the trick ?

Regards

Claudine Berthoud
Proxis-Services
Z.I. du Bois de l'Epine
11, avenue Joliot Curie
BP 202
91007 Evry Cedex
Tel : 01 69 77 95 27
e-mail : cberthoud@proxis-services.fr

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