本文是关于GPFS的系列文章之一,介绍GPFS的高级功能,性能调优及常见的运维操作等多篇文章,敬请浏览:
GPFS的高级功能实战操作系列
GPFS性能调优系列:
GPFS运维系列:
GPFS文件系统中通常包含大量磁盘,以某客户的一个含1500多块磁盘的GPFS系统为例,经过约1年多(视磁盘使用的频度而定)系统开始出现坏盘,更换磁盘是最频繁的运维操作。
除了将故障磁盘从机器或物理机中拔出外,该如何从GPFS中将磁盘剔除出去呢?
**删除磁盘的操作步骤如下:
1)查看GPFS设备gpfs2中的NSD**
[root@gpfs03 gpfs2]# mmlsnsd -f gpfs2
File system Disk name NSD servers
------------------------------------------------
gpfs2 nsd0104 gpfs01
gpfs2 nsd0204 gpfs02
gpfs2 nsd0304 gpfs03
2)从文件系统中删除一块盘
[root@gpfs03 gpfs2]# mmdeldisk gpfs2 nsd0304
Deleting disks ...
Scanning file system metadata, phase 1 ...
100 % complete on Mon Apr 18 19:42:11 2022
Scan completed successfully.
Scanning file system metadata, phase 2 ...
100 % complete on Mon Apr 18 19:42:12 2022
Scan completed successfully.
Scanning file system metadata, phase 3 ...
Scan completed successfully.
Scanning file system metadata, phase 4 ...
100 % complete on Mon Apr 18 19:42:12 2022
Scan completed successfully.
Scanning file system metadata, phase 5 ...
100 % complete on Mon Apr 18 19:42:12 2022
Scan completed successfully.
Scanning user file metadata ...
100.00 % complete on Mon Apr 18 19:42:26 2022 ( 156672 inodes with total 7435 MB data processed)
Scan completed successfully.
Checking Allocation Map for storage pool system
tsdeldisk completed.
mmdeldisk: Propagating the cluster configuration data to all
affected nodes. This is an asynchronous process.
[root@gpfs03 gpfs2]#
如果删除多块盘,则准备一个desc文件,文件中的每一行就是一个需要删除的NSD名。运行如下命令删除NSD:
mmdeldisk gpfs -F
3) 查看nsd,该磁盘所对应的nsd应该不存在了
[root@gpfs03 gpfs2]# mmlsnsd -f gpfs2
File system Disk name NSD servers
------------------------------------------------------------------------------
gpfs2 nsd0104 gpfs01
gpfs2 nsd0204 gpfs02
**以下操作仅删除NSD,该磁盘将来还将使用,操作如下:
1)**删除NSD盘
[root@gpfs03 gpfs2]# mmdelnsd nsd0304
mmdelnsd: Processing disk nsd0304
mmdelnsd: Propagating the cluster configuration data to all
affected nodes. This is an asynchronous process.
2) 查看确认操作无误
[root@gpfs03 gpfs2]# mmlsnsd
File system Disk name NSD servers
------------------------------------------------------------------------------
gpfs1 nsd0102 gpfs01
gpfs1 nsd0103 gpfs01
gpfs1 nsd0105 gpfs01
gpfs1 nsd0202 gpfs02
gpfs1 nsd0203 gpfs02
gpfs1 nsd0205 gpfs02
gpfs1 nsd0302 gpfs03
gpfs1 nsd0303 gpfs03
gpfs1 nsd0305 gpfs03
gpfs2 nsd0104 gpfs01
gpfs2 nsd0204 gpfs02
如果觉得我的文章对您有用,请点赞。您的支持将鼓励我继续创作!
赞0
添加新评论0 条评论