How to extend the Steeleye LifeKeeper mirrored clustered filesystem

by admin October 20, 2016 at 12:11 pm

1. Login to the LifeKeeper GUI and bring the resources to out of service.

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Perform below steps on all steeleye clustered servers.

2. Validate mirror is out of service and nbd service is stopped.

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3. Run scan command to detect new disk and cat /proc/partitions to make sure new disk is visible.

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4. Format the new disk

fdisk /dev/sdx and create the LVM partition

 

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5. Add new disk to Physical Volume.

pvcreate /dev/<sdx1>

6. Add new disk to Volume Group

vgextend vgname /dev/<sdx1>

7. Extend the logical Volume.

lvextend -L+<x> /dev/<vgname>/<lvname>

8. Resize the mirror on active server.

/opt/LifeKeeper/bin/mirror_resize datarep-steeleye_shared

9. On steeleye GUI bring only the datarep resource to in service.

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10. Run fsck and resize2fs for /dev/md0 to extend the mirror.

e2fsck -f /dev/md0

resize2fs /dev/md0

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11. Bring other resources to In service.

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12. Run df -h command and verify the filesystem is increased to required size

Before increased the /dev/md0 filesystem.

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After increased 500MB space on /dev/md0 disk

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13. Validate nbd service is running on all clustered servers.

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14. Run mirror_status, cat /proc/mdstat and mdadm –detail /dev/md0 commands to verify that mirror is active and functional.

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15. Inform the application team to validate the application services.

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