[gpfsug-discuss] testing commands

[Marc A Kaplan]

Simple functional testing can be done on a small system with as little as 
one Linux node and one disk. 

Personally, I do a lot of testing on a several years old laptop running 
Linux.  My test gpfs file system doesn't even use a real disk partition! 
Just some data files
I initialized with dd if=/dev/zero ...

(This is not officially supported, blah, blah, blah...)

[root at bog-wifi cmvc]# mmlsnsd -X

 Disk name    NSD volume ID      Device         Devtype  Node name  
Remarks
---------------------------------------------------------------------------------------------------
 y1           C0A8015D57586A5E   /vds/y1        file 
bog-wifi.lan.makaplan.us server node
 y2           C0A8015D57586A5F   /vds/y2        file 
bog-wifi.lan.makaplan.us server node
 y3           C0A8015D575EF0A3   /vds/y3        file 
bog-wifi.lan.makaplan.us server node

[root at bog-wifi cmvc]# ls -ld /vds/y?
-rw-r--r--. 1 root root 536870912 Oct  4 12:16 /vds/y1
-rw-r--r--. 1 root root 536870912 Oct  3 10:39 /vds/y2
-rw-r--r--. 1 root root 801000000 Sep 29 18:54 /vds/y3

[root at bog-wifi cmvc]# df -T /vds
Filesystem                       Type 1K-blocks     Used Available Use% 
Mounted on
/dev/mapper/rhelw_bog--wifi-root ext4 183862728 42118120 132381768  25% /

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