Month: July 2007

Sun Cluster Cheat Sheet — 4

Data Services in the Cluster HAStoragePlus helps configure a local filesystem into a highly available one. It provides following capabilities: additional filesystem checks mounts and unmounts enables Sun cluster to failover local file systems (to failover, local file system must reside on global dgs with affinity switchovers enabled) Data Service Agent — is a specially …

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Sun cluster Cheat Sheet — 3

Displays existing DG resources in the Cluster scstat -D Registering VxVM DGs scconf -a -D type=vxvm,name=. \nodelist=:, \preferenced=true,failback=enabled nodelist should contain only nodes that are physically connected to the disks of that dg. preferenced=true/false affects whether nodelist indiciates an order of failover preference. On a two-node cluster, this options is only meaningful if failback is …

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Sun Cluster Cheat Sheet — 1

Cluster Configuration Repository (CCR) /etc/cluster/ccr (directory) Important Files /etc/cluster/ccr/infrastructure Global Services One node is to specific global services. All other nodes communicate with the global services (devices, filesystems) via the Cluster interconnect. Global Naming (DID Devices) – /dev/did/dsk and /dev/did/rdsk DID used only for naming globally — not access DID device names cannot/are not used …

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