# Diskler ve çalışan versiyonlar

A10 vThunder üzerinde 1 adet disk ve içerisinde 2 farklı adet image barındırabiliyoruz.
2 adet farklı imaj herhangi bir güncelleme operasyonu  sonrasında rollback yapmak adına çoğu zaman avantaj sağlayabiliyor.

Ayrıca 2 adet image üzerinden hangi image ile cihazımızı boot edebileceğimizi seçebilir, bir sonraki reboot işleminde de bunu uygulayabiliriz.

ACOS üzerinde; 
configurasyon modunda, 

ADC-1-Active(config)#bootimage hd pri 

şeklinde konfig yaptıktan sonra, cihazımız ilk reboot işleminde HD(Hard Disk) üzerinde bizim belirteceğimiz image üzerinden cihazımızı boot edecektir.

Ayrıca, anlık olarak cihazımız üzerindeki image versiyonlarını görüntülemek için aşağıdaki çıktıdan faydalanabiliriz.



    ADC-1-Active#show version 


    Thunder Series Unified Application Service Gateway vThunder
      Copyright 2007-2019 by A10 Networks, Inc.  All A10 Networks products are
      protected by one or more of the following US patents:
      10749904, 10742559, 10735267, 10708150, 10686683, 10659354, 10637717
      10630784, 0623992,  RE47924,  10601788, 10599680, 10594600, 10581976
      10581907, 10554517, 10536517, 10536481, 10530847, 10523748, 10516730
      10516577, 10505984, 10505964, 10491523, 10484465, 10469594, 10454844
      10447775, 10411956, 10397270, 10389835, 10389538, 10382562, 10360365
      10348631, 10341427, 10341335, 10341118, 10334030, 10318288, 10305904
      10305859, 10298457, 10268467, 10257101, 10250629, 10250475, 10243791
      RE47296,  10230770, 10187423, 10187377, 10178165, 10158627, 10129122
      10116634, 10110429, 10091237, 10069946, 10063591, 10044582, 10038693
      10027761, 10021174, 10020979, 10002141, 9992229,  9992107,  9986061
      9979801, 9979665, 9961136, 9961135, 9961130, 9960967, 9954899, 9954868
      9942162, 9942152, 9912555, 9912538, 9906591, 9906422, 9900343, 9900252
      9860271, 9848013, 9843599, 9843521, 9843484, 9838472, 9838425, 9838423
      9825943, 9806943, 9787581, 9756071, 9742879, 9722918, 9712493, 9705800
      9661026, 9621575, 9609052, 9602442, 9596286, 9596134, 9584318, 9544364
      9537886, 9531846, 9497201, 9477563, 9398011, 9386088, 9356910, 9350744
      9344456, 9344421, 9338225, 9294503, 9294467, 9270774, 9270705, 9258332
      9253152, 9231915, 9219751, 9215275, 9154584, 9154577, 9124550, 9122853
      9118620, 9118618, 9106561, 9094364, 9060003, 9032502, 8977749, 8943577
      8918857, 8914871, 8904512, 8897154, 8868765, 8849938, 8826372, 8813180
      8782751, 8782221, RE44701, 8595819, 8595791, 8595383, 8584199, 8464333
      8423676, 8387128, 8332925, 8312507, 8291487, 8266235, 8151322, 8079077
      7979585, 7804956, 7716378, 7665138, 7675854, 7647635, 7627672, 7596695
      7577833, 7552126, 7392241, 7236491, 7139267, 6748084, 6658114, 6535516
      6363075, 6324286, 8392563, 8103770, 7831712, 7606912, 7346695, 7287084
      6970933, 6473802, 6374300

          64-bit Advanced Core OS (ACOS) version 4.1.4-GR1-P8, build 53 (Jul-23-2021,01:13)
          Booted from Hard Disk primary image
          Number of control CPUs is set to 1
          Serial Number: vThunder85D7CDAC0845D3EB32CA2F5FE991AF759B59ECEB
          aFleX version: 2.0.0
          GUI primary image (default) version 4_1_4-GR1-P8-4_1_4-gr1-p8-8
          GUI secondary image version 4_1_4-GR1-P8-4_1_4-GR1-P8-53
          aXAPI version: 3.0
          Cylance version: N/A
          Hard Disk primary image (default) version 4.1.4-GR1-P8, build 53
          Hard Disk secondary image version 4.1.4-GR1-P8, build 53
          Last configuration saved at Oct-6-2021, 22:12
          Virtualization type: VMware
          System Polling Mode: On
          Hardware: 4 CPUs(Stepping 0), Single 20G drive, Free storage is 12G
          Total System Memory 8130 Mbytes, Free Memory 4943 Mbytes
          Hardware Manufacturing Code: N/A
          Current time is Oct-12-2021, 11:50
          The system has been up 14 days, 15 hours, 33 minutes


Ek olarak cihazımızın hangi image ile boot ettiğini öğrenmek için aşağıdaki parametreyi kullanabiliriz.


    ADC-1-Active# show bootimage 

                          (* = Default)
                              Version
    -----------------------------------------------
    Hard Disk primary         4.1.4-GR1-P8.53 (*)

    Hard Disk secondary       4.1.4-GR1-P8.53



(*) ile ifade edilen satır cihazın şu anda çalıştırmakta olduğu image'ı ifade ediyor.