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1. Run command $ kubectl edit directpvdrives <NEW-DRIVE-ID> and add directpv.min.io.volume/pvc-12345678 in the finalizer
2. Run command $ kubectl directpv cordon <NEW-DRIVE-ID>
3. Run command $ kubectl edit directpvdrives <NEW-DRIVE-ID> and remove the directpv.min.io.volume/pvc-12345678 finalizer
4. Run command $ ./replace.sh <OLD-DRIVE-ID> <NEW-DRIVE-ID>

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Drive states

DriveStatusUnavailable

Drive CRD object is marked as Unavailable, if drive met one of the following condition at startup or added at runtime or dynamic discovery sync.

• device size is less than 16 MiB.
• device is in readonly state.
• device contains partitions.
• device is used as swap space in linux.
• device is used in LVM, linux RAID or LUKS device.
• device is mounted somewhere else i.e. outside of /var/lib/directcsi.

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As MinIO needs the CN to have the policy name and original mkcert does not support this, download updated mkcert from https://github.com/kanagarajkm/mkcert/releases/download/v1.4.3-1/mkcert

Server certs

1. Generate certificate files

mkcert localhost

2. Copy generated localhost-key.pem and localhost.pem to certs directory of minio server.

cp -avi localhost-key.pem ~/.minio/certs/private.key

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#!/usr/bin/python

import json
import os
import subprocess

def _read_file(filename):
    try:
        with open(filename) as file:
            return file.read().strip()

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Object Lock Support

Objects can be set to immutable using object lock. Once an object is uploaded, this feature is manageable by below APIs.

• PUT object legal hold
• PUT object retention
• GET object legal hold
• GET Object retention

A bucket can be set to have default object lock configuration using below API.

• PUT Bucket object lock configuration

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DataStore

A lock-free storage which supports to upload, download and delete data using Get, Put and Delete respectively. Every Put uses tmp directory as interim storage and every Delete is staged and actual removal is done once all Get are finished.

DataStore
|-- data/

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Setup Information:

• 8 servers of t1.small.x86
• minio version

Version: 2018-08-22T12:25:38Z
Release-Tag: DEVELOPMENT.2018-08-22T12-25-38Z
Commit-ID: 8601f29d95f2ad2055613bedcc917e692ffab5fd

• mc version

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Servers

Server1: minio server --address localhost:9001 https://localhost:9001/tmp/minio01/disk0{1..4} https://localhost:9002/tmp/minio02/disk0{1..4} https://localhost:9003/tmp/minio03/disk0{1..4} https://localhost:9004/tmp/minio04/disk0{1..2} https://localhost:9005/tmp/minio05/disk0{1..2}
Server2: minio server --address localhost:9002 https://localhost:9001/tmp/minio01/disk0{1..4} https://localhost:9002/tmp/minio02/disk0{1..4} https://localhost:9003/tmp/minio03/disk0{1..4} https://localhost:9004/tmp/minio04/disk0{1..2} https://localhost:9005/tmp/minio05/disk0{1..2}
Server3: minio server --address localhost:9003 https://localhost:9001/tmp/minio01/disk0{1..4} https://localhost:9002/tmp/minio02/disk0{1..4} https://localhost:9003/tmp/minio03/disk0{1..4} https://localhost:9004/tmp/minio04/disk0{1..2} https://localhost:9005/tmp/minio05/disk0{1..2}
Server4: minio server --address localhost:9004 https://localhost:9001/tmp/minio01/disk0{1..4} https://localhost:9002/tmp/minio02/disk0{1..4} https://localhost:9003

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Setup information

minio version

+ minio version
Version: 2018-08-10T10:26:45Z
Release-Tag: DEVELOPMENT.2018-08-10T10-26-45Z
Commit-ID: 8fa104f4287549dc2df5aa50c0fd0316e7186886

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Setup information

minio version

+ minio version
Version: 2018-08-10T10:26:45Z
Release-Tag: DEVELOPMENT.2018-08-10T10-26-45Z
Commit-ID: 8fa104f4287549dc2df5aa50c0fd0316e7186886