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Diffstat (limited to 'doc/book/working-documents')
-rw-r--r-- | doc/book/working-documents/migration-06.md | 4 | ||||
-rw-r--r-- | doc/book/working-documents/migration-07.md | 31 |
2 files changed, 33 insertions, 2 deletions
diff --git a/doc/book/working-documents/migration-06.md b/doc/book/working-documents/migration-06.md index 28e2c32e..60875b75 100644 --- a/doc/book/working-documents/migration-06.md +++ b/doc/book/working-documents/migration-06.md @@ -4,12 +4,12 @@ weight = 15 +++ **This guide explains how to migrate to 0.6 if you have an existing 0.5 cluster. -We don't recommend trying to migrate directly from 0.4 or older to 0.6.** +We don't recommend trying to migrate directly from older to 0.5.** **We make no guarantee that this migration will work perfectly: back up all your data before attempting it!** -Garage v0.6 (not yet released) introduces a new data model for buckets, +Garage v0.6 introduces a new data model for buckets, that allows buckets to have many names (aliases). Buckets can also have "private" aliases (called local aliases), which are only visible when using a certain access key. diff --git a/doc/book/working-documents/migration-07.md b/doc/book/working-documents/migration-07.md new file mode 100644 index 00000000..d4ef4d9e --- /dev/null +++ b/doc/book/working-documents/migration-07.md @@ -0,0 +1,31 @@ ++++ +title = "Migrating from 0.6 to 0.7" +weight = 14 ++++ +**This guide explains how to migrate to 0.7 if you have an existing 0.6 cluster. +We don't recommend trying to migrate directly from older to 0.6.** + +**We make no guarantee that this migration will work perfectly: +back up all your data before attempting it!** + +Garage v0.7 introduces a cluster protocol change to support request tracing through OpenTelemetry. +No data structure is changed, so no data migration is required. + +The migration steps are as follows: + +1. Do `garage repair --all-nodes --yes tables` and `garage repair --all-nodes --yes blocks`, + check the logs and check that all data seems to be synced correctly between + nodes. If you have time, do additional checks (`scrub`, `block_refs`, etc.) +2. Disable api and web access. Garage does not support disabling + these endpoints but you can change the port number or stop your reverse + proxy for instance. +3. Check once again that your cluster is healty. Run again `garage repair --all-nodes --yes tables` which is quick. + Also check your queues are empty, run `garage stats` to query them. +4. Turn off Garage v0.6 +5. Backup the metadata folder of all your nodes: `cd /var/lib/garage ; tar -acf meta-v0.6.tar.zst meta/` +6. Install Garage v0.7, edit the configuration if you plan to use OpenTelemetry or the Kubernetes integration +7. Turn on Garage v0.7 +8. Do `garage repair --all-nodes --yes tables` and `garage repair --all-nodes --yes blocks` +9. Your upgraded cluster should be in a working state. Re-enable API and Web + access and check that everything went well. +10. Monitor your cluster in the next hours to see if it works well under your production load, report any issue. |