如何在IBM AIX上构建一个双节点的IBM GPFS集群

在这里，可以使用 mmdsh 命令快速检查所有节点上的文件系统状态。

aixlpar1 :/ # mmdsh df -g | grep gpfs
aixlpar2:/dev/gpfs0       150.00    147.81    2%     4041     7% /gpfs
aixlpar2:/dev/gpfs1       150.00    147.69    2%     4041     3% /gpfs1
aixlpar1:/dev/gpfs1       150.00    147.69    2%     4041     3% /gpfs1
aixlpar1:/dev/gpfs0       150.00    147.81    2%     4041     7% /gpfs

如果需要更详细的信息，可以使用 mmdf 命令。

aixlpar1 :/gpfs # mmdf gpfs0 --block-size=auto
disk      disk size  failure holds    holds                 free                free
name      group metadata data        in full blocks        in fragments
--------------- ------------- -------- -------- ----- -------------------- ------------
Disks in storage pool: system (Maximum disk size allowed is 422 GB)
nsd01       50G       -1 yes      yes          49.27G ( 99%)          872K ( 0%)
nsd02       50G       -1 yes      yes          49.27G ( 99%)          936K ( 0%)
nsd03       50G       -1 yes      yes          49.27G ( 99%)          696K ( 0%)
           -------------                       -------------------- -------------------
(pool total) 150G                              147.8G ( 99%)        2.445M ( 0%)
     
           =============                       ==================== ===================
(total)          150G                          147.8G ( 99%)        2.445M ( 0%)
     
Inode Information
-----------------
Number of used inodes:            4040
Number of free inodes:           62008
Number of allocated inodes:      66048
Maximum number of inodes:        66048
     
aixlpar1 :/gpfs # mmdf gpfs1 --block-size=auto
disk       disk size  failure holds   holds             free            free
name       group metadata data        in full blocks    in fragments
--------------- ------------- -------- -------- ----- -------------------- 
Disks in storage pool: system (Maximum disk size allowed is 784 GB)
nsd04        50G       -1 yes      yes          49.55G ( 99%)        1.938M ( 00%)
nsd05        50G       -1 yes      yes          49.56G ( 99%)          992K ( 0%)
nsd06        50G       -1 yes      yes          49.56G ( 99%)        1.906M ( 00%)
          -------------                         -------------------- -------------------
(pool total) 150G                               148.7G ( 99%)        4.812M ( 00%)
     
          =============                         ==================== ===================
(total)           150G                          148.7G ( 99%)        4.812M ( 00%)
     
Inode Information
-----------------
Number of used inodes:            4040
Number of free inodes:          155704
Number of allocated inodes:     159744
Maximum number of inodes:       159744

通过决胜（tiebreaker）磁盘进行节点仲裁

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