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Resize ACFS Volume

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Current Filesystem for ACFS is 299G.

Filesystem             Size  Used Avail Use% Mounted on
/dev/asm/acfs_vol-177  299G  2.6G  248G   2% /ggdata02

Free_MB is 872 which causes paging due to insufficient FREE space from ASM Disk Group ACFS_DATA.

$ asmcmd lsdg -g ACFS_DATA
Inst_ID  State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
      1  MOUNTED  EXTERN  N         512   4096  4194304    307184      872                0             872              0             N  ACFS_DATA/
      2  MOUNTED  EXTERN  N         512   4096  4194304    307184      874                0             872              0             N  ACFS_DATA/

Review attributes for ASM Disk Group ACFS_DATA.

$ asmcmd lsattr -l -G ACFS_DATA
Name                     Value       
access_control.enabled   FALSE       
access_control.umask     066         
au_size                  4194304     
cell.smart_scan_capable  FALSE       
compatible.advm          12.1.0.0.0  
compatible.asm           12.1.0.0.0  
compatible.rdbms         12.1.0.0.0  
content.check            FALSE       
content.type             data        
disk_repair_time         3.6h        
failgroup_repair_time    24.0h       
idp.boundary             auto        
idp.type                 dynamic     
phys_meta_replicated     true        
sector_size              512         
thin_provisioned         FALSE       

Resize /ggdata02 to 250G.

$ acfsutil size 250G /ggdata02
acfsutil size: new file system size: 268435456000 (256000MB)

Review results.

$ asmcmd lsdg -g ACFS_DATA
Inst_ID  State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
      1  MOUNTED  EXTERN  N         512   4096  4194304    307184    51044                0           51044              0             N  ACFS_DATA/
      2  MOUNTED  EXTERN  N         512   4096  4194304    307184    51044                0           51044              0             N  ACFS_DATA/


$ df -h /ggdata02
Filesystem             Size  Used Avail Use% Mounted on
/dev/asm/acfs_vol-177  250G  2.6G  248G   2% /ggdata02

$ asmcmd volinfo --all
Diskgroup Name: ACFS_DATA

	 Volume Name: ACFS_VOL
	 Volume Device: /dev/asm/acfs_vol-177
	 State: ENABLED
	 Size (MB): 256000
	 Resize Unit (MB): 512
	 Redundancy: UNPROT
	 Stripe Columns: 8
	 Stripe Width (K): 1024
	 Usage: ACFS
	 Mountpath: /ggdata02

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