Certified OpenStack Administration

~ Bedanya COA sama OCM50 apa?
~ Berapa harganya?
~ Berapa skor minimal buat lulus?
~ dll …

Diatas adalah beberapa pertanyaan yang sering ditanyakan, maka dari itu berikut saya ingin share pengalaman mengambil sertifikasi OpenStack.

Certified OpenStack Administrator (COA)


COA adalah sertifikasi profesional pertama yang ditawarkan oleh OpenStack Foundation. Dibuat untuk membantu perusahaan mengidentifikasi bakat terbaik di industri ini, dan membantu pencari kerja menunjukkan keahlian mereka.

 

  • Jenis Soal: Perfomence based test dengan Horizon dan CLI
  • Nilai Lulus Minimum: 76%
  • Metode: Online dengan Proktor
  • Durasi: 150 Menit
  • Soal: 32
  • Biaya: $300
  • Hasil: Max 3 Hari kerja
  • Sistem Operasi: Ubuntu/SUSE
  • Daftar: https://www.openstack.org/coa/

OpenStack Certified Mirantis Associate (OCM50)

OCM50 adalah sertifikasi OpenStack tingkat Associate dari Mirantis. Menguji pemahaman kandidat tentang pemecahan masalah, teori, dan konfigurasi OpenStack.

 

 

Another way How to Extend a Windows Partition on OpenStack Instance

### Environment
– OpenStack Newton (KVM)
– Instance OS Windows Server 2012 R2
– Disk = 1TB [C:] 200GB [D:] 800GB
– Add Disk 1TB to [D:] Partition

### Compute OpenStack

cd /var/lib/nova/instance/a1b2c3e4f5gxxxxxx
qemu-img create -f qcow2 disk-new.qcow2 2040G
virt-resize disk disk-new.qcow2 --expand /dev/sda2
[root@openstack a1b2c3e4f5gxxxxxx]# virt-resize disk disk-new.qcow2 --expand /dev/sda2

Output:

[   0.0] Examining disk
**********

Summary of changes:

/dev/sda1: This partition will be left alone.

/dev/sda2: This partition will be resized from 824.0G to 1840.0G.

**********
[   3.8] Setting up initial partition table on disk-new.qcow2
[   4.0] Copying /dev/sda1
 100% ⟦▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒⟧ 00:00
[ 865.4] Copying /dev/sda2
100% ⟦▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒⟧ 00:00
Resize operation completed with no errors.  Before deleting the old disk,
carefully check that the resized disk boots and works correctly.
[root@openstack a1b2c3e4f5gxxxxxx]# cp -v disk-new.qcow2 disk

### Windows Powel Shell

C:\>chkdsk D:
C:\>diskpart 
DISKPART> list volume 
DISKPART> select volume 1 
DISKPART> extend filesystem

DiskPart successfully extended the file system on the volume.
DISKPART> list volume

  Volume ###  Ltr  Label        Fs     Type        Size     Status     Info
  ----------  ---  -----------  -----  ----------  -------  ---------  --------
  Volume 0     C   WINSRV2012R  NTFS   Partition    200 GB  Healthy    System
  Volume 1     D   DATA         NTFS   Partition   1839 GB  Healthy
DISKPART> exit

Refrensi: https://support.microsoft.com/en-us/help/832316/the-partition-size-is-extended-but-the-file-system-remains-the-origina