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Nutanix / IT Russian Discussion Club

2020 August 28

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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
А клоуны в комиссиях правительственных ворованное ПО вносят в реестр. Дичь, какая же дичь.
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Причем LizardFS уже по сути мертвый проект
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Он с рождения мертвый
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Тобишь еще и говно полное взяли украли 😉
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
“How can I achieve High Availability of the master?
There are multiple ways of keeping the master highly available.

One would be to demote and promote manually if you need to. The better way would be to delegate that task to a mechanism that knows the current state of all (possible) master nodes and can perform the failover procedure automatically.

Known methods, when only using open-source software, are building Pacemaker/ Corosync clusters with self-written OCF agents. Another way could be using keepalived.”
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Это все что нужно знать про LizardFS 🙂
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Чтобы HA мастер сервера было - или РУКАМИ, или самописные костыли на Pacemaker
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Меня клоунада в РФ по “местным разработкам” все больше восторга
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🇷🇺Dmitry🇮🇪🇩🇪... in Nutanix / IT Russian Discussion Club
Maxim Shaposhnikov
Чтобы HA мастер сервера было - или РУКАМИ, или самописные костыли на Pacemaker
Надо самому писать или они прилагаются?
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Я цитату дал
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
“An officially supported way to achieve High Availability of the master is to obtain the uRaft component from Skytechnology Sp. z o.o., the company behind LizardFS. Based on the raft algorithm, the uRaft service makes sure that all master nodes talk to each other and exchange information regarding their health states.

In order to ensure that a master exists, the nodes participate in votes. If the current master fails, uRaft moves a floating IP from the formerly active node to the new designated master. All uRaft nodes have to be part of one network and must be able to talk to each other.

uRaft will be available as a part of an open-sourse version of LizardFS 3.13 after the stable version is released."
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
3.13 так и не вышел
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
2+ года прошло (почти три)
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Там вообще при отказе мастера - полная жесть начинается
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
I/O встает весь
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
Вот реально надо брать метлу поганую и всех этих клоунов-замесителей
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🇷🇺Dmitry🇮🇪🇩🇪... in Nutanix / IT Russian Discussion Club
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Maxim Shaposhnikov in Nutanix / IT Russian Discussion Club
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Ivan Krylov in Nutanix / IT Russian Discussion Club
😂
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