Shulou(Shulou.com)06/01 Report--

1. Instance deletion

Su-db2inst1

Db2stop

Su-root

Cd / ibmdb2/V10.5/instance

. / db2idrop-g db2inst1

The above command automatically deletes the instance and GPFS

2. Delete GPFS cluster

1. Unmount all GPFS file systems on all nodes by issuing the mmumount all-a command.

Mmlsfs all

Mmumount all-a

2. Issue the mmdelfs command for each file system in the cluster to remove GPFS file systems.

Mmlsfs all

Mmdelfs / dev/gpfs1nsd

3. Issue the mmdelnsd command for each NSD in the cluster to remove the NSD volume ID written on

Sector 2.

If the NSD volume ID is not removed and the disk is again used with GPFS at a later time, you will

Receive an error message when issuing the mmcrnsd command. See NSD creation fails with a message

Referring to an existing NSD in the GPFS: Problem Determination Guide.

Mmlsnsd

Mmdelnsd gpfs1nsd

4. Issue the mmshutdown-a command to shutdown GPFS on all nodes.

Mmshutdown-a

5. Delete a cluster

Mmlscluster

Db2cluster-cfs-delete-domain gpfsdomain.psfc

3. DB2 software uninstall

Cd $DB2DIR/install

. / db2_deinstall-a

Rm-rf ~ db2inst1/das ~ db2inst1/sqllib

Rm-rf $DB2DIR / var/db2

Rm-rf / tmp/db2*.log.* / tmp/db2*.log / tmp/db2prereqcheck.* / tmp/db2prereq.* / tmp/dasupdt.log.* / tmp/db2iupdt.log.* / tmp/db2iupdt.trc.* / tmp/db2_deinstall* / tmp/db2sd / tmp/ibm.db2.cluster.* / tmp/compileGPL.log.* / tmp/db2log.* / tmp/db2icrt.trc.* / tmp/uninstallSAM.* / tmp/uninstallGPFS.log.* / tmp/db2dump.*

Be sure to delete the installation information of all db2inst1 instance users

Userdel-r db2inst1

Userdel-r db2fenc1

Groupdel db2grp

Groupdel db2fgrp

Groupdel db2oper

Delete the .ssh content of root

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.