Creating an ACFS filesystem on Exadata Cloud Service

Below is an example on how to create an ACFS filesystem on an Exadata Cloud Service quarter rack.  This example creates a 2TB ACFS in the RECO1 disk group and is mounted at /scratch.

[opc@exacsphx-xyzn1 ~]$ sudo -s

[root@exacsphx-xyzn1 opc]# su - grid

Last login: Thu Oct 17 09:38:15 EDT 2019

[grid@exacsphx-xyzn1 ~]$ asmcmd

ASMCMD> volcreate -G RECOC1 -s 2000G upload_vol

ASMCMD> volinfo -G RECOC1 upload_vol

Diskgroup Name: RECOC1

         Volume Name: UPLOAD_VOL

         Volume Device: /dev/asm/upload_vol-58

         State: ENABLED

         Size (MB): 2048000

         Resize Unit (MB): 64

         Redundancy: HIGH

         Stripe Columns: 8

         Stripe Width (K): 1024

         Usage:

         Mountpath:

ASMCMD> exit

[grid@exacsphx-xyzn1 ~]$ logout

[root@exacsphx-xyzn1 opc]# /sbin/mkfs -t acfs /dev/asm/upload_vol-58

mkfs.acfs: version                   = 19.0.0.0.0

mkfs.acfs: on-disk version           = 46.0

mkfs.acfs: volume                    = /dev/asm/upload_vol-58

mkfs.acfs: volume size               = 2147483648000  (   1.95 TB )

mkfs.acfs: Format complete.

[root@exacsphx-xyzn1 opc]# /u01/app/19.0.0.0/grid/bin/srvctl add filesystem -d /dev/asm/upload_vol-58 -g RECOC1 -v upload_vol -m /scratch

[root@exacsphx-xyzn1 opc]# /u01/app/19.0.0.0/grid/bin/srvctl start filesystem -d /dev/asm/upload_vol-58

[root@exacsphx-xyzn1 opc]# df -h

Filesystem                    Size  Used Avail Use% Mounted on

devtmpfs                      355G     0  355G   0% /dev

tmpfs                         709G  1.5G  707G   1% /dev/shm

tmpfs                         355G  3.0M  355G   1% /run

tmpfs                         355G     0  355G   0% /sys/fs/cgroup

/dev/mapper/VGExaDb-LVDbSys1   24G   11G   12G  47% /

/dev/xvda1                    488M   82M  381M  18% /boot

/dev/xvdi                     1.1T   69G  959G   7% /u02

/dev/mapper/VGExaDb-LVDbOra1   20G  7.4G   12G  40% /u01

/dev/xvdb                      50G  9.3G   38G  20% /u01/app/19.0.0.0/grid

/dev/asm/acfsvol01-58         800G   39G  762G   5% /acfs01

tmpfs                          71G     0   71G   0% /run/user/2000

tmpfs                          71G     0   71G   0% /run/user/0

/dev/asm/upload_vol-58        2.0T  4.6G  2.0T   1% /scratch

[root@exacsphx-xyzn1 opc]#