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Spectrum Virtualize 更新の流れ
By
Keigo Matsubara
posted
Wed May 06, 2020 07:02 AM
0
Like
IBM FlashSystem
上で稼働する
IBM Spectrum Virtualize
ソフトウェアの更新は以下の2つの手順で実施します(事前に
推奨版
を良く確認):
更新して問題ないかをテスト
Software Upgrade Test Utility
と呼ばれる専用ツールで検査実施
実際の更新作業日より事前に実施することで、更新作業の前提としての問題がないか確認することを推奨
実際の更新処理
下図に示すように、典型的には約 90 分(概算時間)を要する
ソフトウェア更新は、システムの継続可能のため、ノード毎に実施します。
標準の動作では、最初のノード更新の完了後、30分のインターバルを取って、次のノード上で更新します。
次のノード更新のタイミングをマニュアルで実施するように選択可
下図に示す「短時間の I/O 遅延時間」は約 10 秒程度(一般的な構成の場合)
ボリュームの優先ノード引き継ぎが生ずるため、接続するサーバー上でマルチパス・ドライバーが正しく構成されている必要がある
図注: ** 五回目の I/O 遅延は更新対象版によっては生じない。
ソフトウェア更新作業に関わる一般的な知識としては、以下テクニカル文書を参照して下さい:
Storwize V7000 and SAN Volume Controller Upgrades - Frequently Asked Questions and Pre-Upgrade Checklist (Document #: 688931)
#SpectrumVirtualize
#software-upgrade-test-utility
#software-upgrade
#multipath
#failover
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Storage
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