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VDS-IS Steps On Formatting Problematic Disk

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Introduction

This document describes the steps to format a volume.This is to attempt to recover if there is indication of alarm showing the errors on disk volume.

Prerequisites

VDS-TC 5.x

Requirements

SSH to the VDS-TC management

Configuration

1. Deactivate the specific volume (example: volume 100)

Mg-1:~# su admin

console> show systemid

console> enable

Password: <input from the *systemid>

console# show volumes 

<Note the volume 100 are mounted in ce-x>

console# cache volume deactivate

Please enter volume number

100

Deactivating volume 100

Note:

i. While you perform deactivation. Please wait for 5 mins before format it. Application will announce to all member to remove linkage to it.

ii. Pay attention to locate the disk in the right way (/dev/sdxx). Each CE has different mapping.

Please mark down which one by command of this in CE-x:

/opt/pang/bin/fdisk.sh | grep 100

2. Format the volume

ce-x:~# mkfs.xfs –f /dev/sd?2

3rd and 4th Partition

ce-x:~# mkfs.xfs –f –r rtdev=/dev/sd?4,extsize=262144 /dev/sd?3

3. Activate volume 100

Mg-1:~# su admin

console> show systemid

console> enable

Password: <input from the *systemid>

console# show volumes

<Note the volume 100 is not mounted in ce-x>

console# cache volume activate

Please enter volume number

100

Activating volume 100

Verification

After the volume was formatted, the alarm no longer generate the errors on specified disk volume

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