Red Hat LINUX VIRTUAL SERVER 5.1 - ADMINISTRATION Guida di Installazione Scaricare il pdf (Pagina 65)

Fig u re 5.3. T h e Clu st er C o n f ig u rat io n T o o l

T ab le 5.1. Q u o ru m- D isk Paramet ers

Paramet er Descrip t io n

Use a Q u o ru m Disk Enables quorum disk. Enables quorum-disk parameters in the

New

Configuration

dialog box.

In t erval The frequency of read/write cycles, in seconds.

T K O The number of cycles a node must miss in order to be declared dead.

Vo t es The number of votes the quorum daemon advertises to CMAN when it has

a high enough score.

Min imum Sco re The minimum score for a node to be considered "alive". If omitted or set to

0, the default function,

floor((n+1)/2)

, is used, where

is the sum of

the heuristics scores. The Min imum Sco re value must never exceed the

sum of the heuristic scores; otherwise, the quorum disk cannot be

available.

Device The storage device the quorum daemon uses. The device must be the

same on all nodes.

⁠Chapt er 5. Configuring Red Hat Clust er Wit h syst em- config- clust er

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Red Hat LINUX VIRTUAL SERVER 5.1 - ADMINISTRATION Guida di Installazione Pagina 65