GPFS HA pure GPFS overall1
2016-01-07 17:09:30 0 举报
GPFS HA(高可用性)是IBM General Parallel File System(通用并行文件系统)的一种高级功能,它提供了对数据的冗余备份和故障切换能力。在纯GPFS环境中,所有数据都存储在一个集群中,而HA则确保了在硬件或软件故障发生时,数据仍然可以访问和可用。GPFS HA通过将数据复制到多个节点上,并在主节点出现故障时自动切换到备份节点,从而提供了数据的持久性和可靠性。总的来说,GPFS HA不仅提高了数据的可用性,还增强了整个GPFS系统的稳定性和可靠性。
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大纲/内容
SE CN provision
Cluster provision with OOB AE template(Will NOT install gpfs in xCAT postscripts )
PREPARE HA DEFINITION ---ha.info
CNFS
All service started
PCM install
PCM HA MN based on GPFS
JOINING SPECTRUM SCALE CLUSTER
HA FAILURE
End
mountnfs(based on new site attributes)
CN withCNFS/GPFS
PCM INSTALLPCM installed on PMN/SNM
Y
PRE-CONFIG 1:OS on PMN and SMN installed
Run scriptlayer in cluster template to install and mount one GPFS storage(Hyperscale cover this efforts)
Run \"pcmhatool status/check\" on MN
Run \"pcmhatool config\" on MN
GPFS
Start
Success
Add new PCM CN
Enable HA
N
Fail
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