How are your caches configured? If they have at least one backup, you should be able to restart one node at a time without data loss.
There is no automated way to reset lost partitions. Nor should there be (IMHO). If you have lost partitions, you have probably lost data. That should require manual intervention. > On 14 Feb 2023, at 17:58, John Smith <java.dev....@gmail.com> wrote: > > Hello, does anyone have insights on this? > > On Thu., Feb. 9, 2023, 4:28 p.m. John Smith, <java.dev....@gmail.com > <mailto:java.dev....@gmail.com>> wrote: >> Any thoughts on this? >> >> On Mon., Feb. 6, 2023, 8:38 p.m. John Smith, <java.dev....@gmail.com >> <mailto:java.dev....@gmail.com>> wrote: >>> That Jira doesn't look like the issue at all. That issue seems to suggest >>> that there is a "data loss" exception. In our case the grid sets the cache >>> in a "safe" mode... "all partition owners have left the grid" which >>> requires us to then manually reset the flag. >>> >>> On Mon, Feb 6, 2023 at 7:46 PM 18624049226 <18624049...@163.com >>> <mailto:18624049...@163.com>> wrote: >>>> https://issues.apache.org/jira/browse/IGNITE-17657 >>>> >>>> 在 2023/2/7 05:41, John Smith 写道: >>>>> Hi, sometimes when we perform maintenance and reboot nodes we get "All >>>>> partition owners have left the grid" and then we go and run ./control.sh >>>>> --host ignite-xxxxxx --cache reset_lost_partitions some-cache and >>>>> everything is fine again... >>>>> >>>>> This seems to happen with partitioned caches and we are running as >>>>> READ_WRITE_SAFE. >>>>> >>>>> We have a few caches and instead of relying on a human to manually go run >>>>> the command is there a way for this to happen automatically? >>>>> >>>>> And if there is an automatic way how do we enable it and what are the >>>>> consequences?
