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Add 1.8 upgrade note

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Vitaliy Filippov
2024-09-14 19:17:30 +03:00
parent c6c0b8957a
commit b489a611a9
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docs/usage/admin.en.md
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@@ -169,6 +169,18 @@ Upgrading is performed without stopping clients (VMs/containers), you just need
upgrade and restart servers one by one. However, ideally you should restart VMs too
to make them use the new version of the client library.
### 1.7.x to 1.8.0
After upgrading version <= 1.7.x to version >= 1.8.0, BUT <= 1.9.0: restart all clients
(VMs and so on), otherwise they will hang when monitor clears old PG configuration key,
which happens 24 hours after upgrade.
This is fixed in 1.9.1. So, after upgrading version <= 1.7.x directly to version >= 1.9.1,
you DO NOT have to restart all old clients immediately - they will work like before until
you decide to upgrade them too. The downside is that you'll have to remove the old PG
configuration key (`/vitastor/config/pgs`) from etcd by hand when you make sure that all
your clients are restarted.
### 1.1.x to 1.2.0
Upgrading version <= 1.1.x to version >= 1.2.0, if you use EC n+k with k>=2, is recommended