How to remove LVM Input/output error

How to remove LVM Input/output error

Many time after changing the femware of LVM or removing the disk/LUN’s without clean shutdown/unmount you may get fallowing error:
/dev/sdf: read failed after 0 of 4096 at 0: Input/output error
/dev/sdf: read failed after 0 of 4096 at 3298534817792: Input/output error
/dev/sdf: read failed after 0 of 4096 at 3298534875136: Input/output error
/dev/sdf: read failed after 0 of 4096 at 4096: Input/output error
/dev/sdk: read failed after 0 of 4096 at 0: Input/output error
/dev/sdk: read failed after 0 of 4096 at 6442385408: Input/output error
/dev/sdk: read failed after 0 of 4096 at 6442442752: Input/output error
/dev/sdk: read failed after 0 of 4096 at 4096: Input/output error
# Check which Volume Group have the issue , run “vgscan” command .

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1.vgscan

# Find out the Logical Volumes attached with that Volume Group.
# Inactive the logical volumes as :

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1.lvchange -an lv-name

# Inactive Volume group as :

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1.vgchange -an vg-name

# Again Scan Volume group using “vgscan” .

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1.vgscan

# Now activate the Volume Group :

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1.vgchange -ay volume-group-name

# Run command “lvscan” , the error should be gone now .
# Now activate the Logical Volume Name :

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1.lvchange -ay lv-name