Thanks Peter, really appreciate it. Peter Bukowinski <pmb...@gmail.com> 于2020年3月4日周三 下午11:50写道：
> Yes, you should restart the broker. I don’t believe there’s any code to > check if a Log directory previously marked as failed has returned to > healthy. > > I always restart the broker after a hardware repair. I treat broker > restarts as a normal, non-disruptive operation in my clusters. I use a > minimum of 3x replication. > > -- Peter (from phone) > > > On Mar 4, 2020, at 12:46 AM, 张祥 <xiangzhang1...@gmail.com> wrote: > > > > Another question, according to my memory, the broker needs to be > restarted > > after replacing disk to recover this. Is that correct? If so, I take that > > Kafka cannot know by itself that the disk has been replaced, manually > > restart is necessary. > > > > 张祥 <xiangzhang1...@gmail.com> 于2020年3月4日周三 下午2:48写道： > > > >> Thanks Peter, it makes a lot of sense. > >> > >> Peter Bukowinski <pmb...@gmail.com> 于2020年3月3日周二 上午11:56写道： > >> > >>> Whether your brokers have a single data directory or multiple data > >>> directories on separate disks, when a disk fails, the topic partitions > >>> located on that disk become unavailable. What happens next depends on > how > >>> your cluster and topics are configured. > >>> > >>> If the topics on the affected broker have replicas and the minimum ISR > >>> (in-sync replicas) count is met, then all topic partitions will remain > >>> online and leaders will move to another broker. Producers and consumers > >>> will continue to operate as usual. > >>> > >>> If the topics don’t have replicas or the minimum ISR count is not met, > >>> then the topic partitions on the failed disk will be offline. > Producers can > >>> still send data to the affected topics — it will just go to the online > >>> partitions. Consumers can still consume data from the online > partitions. > >>> > >>> -- Peter > >>> > >>>>> On Mar 2, 2020, at 7:00 PM, 张祥 <xiangzhang1...@gmail.com> wrote: > >>>>> > >>>>> Hi community， > >>>>> > >>>>> I ran into disk failure when using Kafka, and fortunately it did not > >>> crash > >>>> the entire cluster. So I am wondering how Kafka handles multiple disks > >>> and > >>>> it manages to work in case of single disk failure. The more detailed, > >>> the > >>>> better. Thanks ! > >>> > >> >
