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Adding space in Exadata DB server’s mount point

In this post will share the steps to add space on local mount point of Exadata DB server nodes using logical volumes. I will use DCLI utility to update the size in all nodes.

Requirement: Need to add 2GB space in /fd26 mount point on EXAD04 (Half Rack) Box.

  • Check current status of mount point. 

dcli -g dbs_group -l root "df -h /fd26"

  •  Check if space available in Volume Groups(VG). 

dcli -g dbs_group -l root vgs

  • Check Logical Volumes (LV) details in VG. 

dcli -g dbs_group -l root lvdisplay > lvdetail.txt

(output will be saved at lvdetail.txt file on current directory). Now open lvdetail.txt file in vi editor and search pattern ‘/fd26’. 

  • Check VG detail for all node. Detail in file will look like below snippet. 

  • Add the required space on LV as per there absolute name. 

dcli -g dbs_group -l root "lvextend -L+2G /dev/VGExaDb/fd26lv"

  • Online update/sync the file system using absolute path of LV.

dcli -g dbs_group -l root "resize2fs /dev/mapper/VGExaDb-fd26lv"

  • Cross check the updated size. 

dcli -g dbs_group -l root "df -h /fd26" 

and that’s all, Thankyou for reading

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