Ambedded Technology

If you can't access the BMC, please check the network for BMC carefully to ensure a broken network does not cause the issue. In some rare abnormal s...

For Ceph Monitor service running in container. 1. Log in to any node in the ceph cluster. 2. Use "ceph -s" command to find which monitor is o...

Create object lock support bucket: 1. create user from UVS and save both access and secret key 2. install aws cli at your client which can access the obje...

https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/37IHL7P2HAE5CXMPK4UJXEUEYVHSWJ5A/ Just in case anybody is interested: Using dm-cache wor...

cephadm --image $img enter --name osd.$id Sometime OSD daemon can not be up due to bluestore data error.  Here we provide a process to repair the OSD bl...

CRUSH is designed to approximate a uniform probability distribution for write requests that assign new data objects PGs and PGs to OSDs. Despite the CRUSH d...

When you have to remove an up OSD for hardware maintenance, you can do an valuation to see if it is ok to stop an OSD. You can evaluate this in two w...

Let's use the following information of a Ceph cluster as the exampleto explain. Ceph status root@p-test-15:~# ceph -s cluster: id: 75fcf...

This page will show how to migrate the replica pool to erasure. Environment: ceph version: 17.2.6 uvs version: 3.17.5 Prepare: Running ceph...

This page will give an example to create a erasure code pool and make one user to use it. Prepare: running ceph cluster already running rgw service ...