How to create new filesystem on ODA server

How to create new filesystem on ODA server?.

 

Creating ext4 Filesystem on Oracle Database Appliance(ODA)

To create new filesystem and mount we need root credentials.

Connect as a root user .
run df -h command before creating FS.

df -h before creating new filesystem
==========================================

#df -h
Filesystem                          Size  Used Avail Use% Mounted on
devtmpfs                            252G   40K  252G   1% /dev
tmpfs                               252G  1.4G  251G   1% /dev/shm
tmpfs                               252G  883M  251G   1% /run
tmpfs                               252G     0  252G   0% /sys/fs/cgroup
/dev/mapper/VolGroupSys-LogVolRoot   30G   18G   11G  65% /
/dev/md126p2                        474M  119M  327M  27% /boot
/dev/md126p1                        500M  7.4M  493M   2% /boot/efi
/dev/mapper/VolGroupSys-LogVolU01    40G   29G  8.6G  78% /u01
/dev/mapper/VolGroupSys-LogVolOpt    30G   12G   17G  42% /opt
tmpfs                                51G     0   51G   0% /run/user/0
/dev/asm/acfsclone-76               150G   12G  139G   8% /opt/oracle/oak/pkgrepos/orapkgs/clones
/dev/asm/commonstore-76             5.0G  319M  4.7G   7% /opt/oracle/dcs/commonstore
/dev/asm/odabase_n0-76               10G  325M  9.7G   4% /u01/app/odaorabase0
/dev/asm/orahome_sh-76               80G   13G   68G  16% /u01/app/odaorahome
#

Create new Filesystem 
========================

#lvcreate -L +10G -n optNWLV1 VolGroupSys
WARNING: Ignoring duplicate config value: global_filter
  Logical volume "optNWLV1" created.
# mkfs -t ext4  -L   optNWLV1 /dev/mapper/VolGroupSys-optNWLV1
mke2fs 1.42.9 (28-Dec-2013)
Discarding device blocks: done
Filesystem label=optNWLV1
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
327680 inodes, 1310720 blocks
65536 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=1342177280
40 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736

Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done


mount the filesystem 
=====================

#mount  /dev/mapper/VolGroupSys-optNWLV1 /opt/NWapp


df -h after mount
===================

# df -h
Filesystem                          Size  Used Avail Use% Mounted on
devtmpfs                            252G   40K  252G   1% /dev
tmpfs                               252G  1.4G  251G   1% /dev/shm
tmpfs                               252G  883M  251G   1% /run
tmpfs                               252G     0  252G   0% /sys/fs/cgroup
/dev/mapper/VolGroupSys-LogVolRoot   30G   18G   11G  65% /
/dev/md126p2                        474M  119M  327M  27% /boot
/dev/md126p1                        500M  7.4M  493M   2% /boot/efi
/dev/mapper/VolGroupSys-LogVolU01    40G   29G  8.6G  78% /u01
/dev/mapper/VolGroupSys-LogVolOpt    30G   12G   17G  42% /opt
tmpfs                                51G     0   51G   0% /run/user/0
/dev/asm/acfsclone-76               150G   12G  139G   8% /opt/oracle/oak/pkgrepos/orapkgs/clones
/dev/asm/commonstore-76             5.0G  319M  4.7G   7% /opt/oracle/dcs/commonstore
/dev/asm/odabase_n0-76               10G  325M  9.7G   4% /u01/app/odaorabase0
/dev/asm/orahome_sh-76               80G   13G   68G  16% /u01/app/odaorahome
/dev/mapper/VolGroupSys-optNWLV1    9.8G   48K  9.7G   1% /opt/NWapp


This mount is temporary , once server is rebooted it will go off.
To make it permanent ,follow below steps.

run  the blkid  command  to get the UUID value of the new FS
============================================================

# blkid /dev/mapper/VolGroupSys-optNWLV1
/dev/mapper/VolGroupSys-optNWLV1: LABEL="optNWLV1" UUID="9c79364e-99e1-42a8-ada1-86c31ad1fa76" TYPE="ext4"

Note : Add the above entry in /etc/fstab.
So take backup of /etc/fstab before edit the file. 

See also

To change the ILOM Password on ODA
http://support.oracle.com