Configuration and Tuning GPFS for Digital Media Environments

136 Configuration and Tuning GPFS for Digital Media Environments

Example 3-25 Output of mount command (cross-check if gpfs is mounted)

p5n1lp1:~ # mount /gpfs <----- on all nodes. you can use distributed shell

p5n1lp1:~ # mount

/dev/sdd3 on / type reiserfs (rw,acl,user_xattr)

proc on /proc type proc (rw)

tmpfs on /dev/shm type tmpfs (rw)

devpts on /dev/pts type devpts (rw,mode=0620,gid=5)

/dev/dvd on /media/dvd type subfs

(ro,nosuid,nodev,fs=cdfss,procuid,iocharset=utf8)

usbfs on /proc/bus/usb type usbfs (rw)

/dev/gpfsdev1 on /gpfs type gpfs (rw,mtime,dev=gpfsdev1,autostart)

3.4.6 Checking the cluster and file system configuration

By using the mmlscluster and mmlsconfig commands you can verify the cluster

configuration, as shown in Example 3-26.

Example 3-26 GPFS cluster configuration (using mmlscluster/mmlsconfig commands)

p5n1lp1:~ # mmlscluster

GPFS cluster information

========================

GPFS cluster name: GPFS-ITSO1.gpfs41

GPFS cluster id: 723500818519789615

GPFS UID domain: GPFS-ITSO1.gpfs41

Remote shell command: /usr/bin/ssh

Remote file copy command: /usr/bin/scp

GPFS cluster configuration servers:

-----------------------------------

Primary server: gpfs41

Secondary server: gpfs43

Node number Node name IP address Full node name Remarks

-------------------------------------------------------------------------

1 gpfs41 10.10.100.41 gpfs41 quorum node

2 gpfs42 10.10.100.42 gpfs42 quorum node

3 gpfs43 10.10.100.43 gpfs43 quorum node

4 gpfs44 10.10.100.44 gpfs44

p5n1lp1:~ # mmlsconfig

Configuration data for cluster GPFS-ITSO1.gpfs41:

-------------------------------------------------

clusterName GPFS-ITSO1.gpfs41

clusterId 723500818519789615

Chapter 3. Infrastructure configuration 137

clusterType lc

multinode yes

autoload no

useDiskLease yes

maxFeatureLevelAllowed 808

pagepool 512M

maxblocksize 1024K

File systems in cluster GPFS-ITSO1.gpfs41:

------------------------------------------

/dev/gpfsdev1

138 Configuration and Tuning GPFS for Digital Media Environments