The ceph-kvstore-tool is used to obtain key-value metadata stored in a leveldb or rocksdb database.And the tool can configure the data in kvstore as if it were operating osd map on an offline osd
Using this tool, you need to i ...
Posted on Fri, 09 Aug 2019 19:37:09 -0700 by abid786
The general trend of the world, dividing time must be combined, dividing time score. I find that this sentence can really be incorporated into the development history of everything.
From the history of storage development, previous storage was directly accessed to the local computer (DAS - direct additional storage) by means of local hard disk ...
Posted on Fri, 05 Jul 2019 11:48:15 -0700 by barry_p
Introduction to Cache Pools
Cache pool principles
The working mode of the cache pool
Configure Cache Pool
1. Create a cache pool
2. Setting up the cache layer
3. Explanation of cache layer related parameters
4. Test Cache Pool
Delete Cache Pool
Posted on Mon, 24 Jun 2019 12:12:15 -0700 by Arbitus
Configure crush class
1. Create ssd class
2. Create class rule based on ssd
3. Create a storage pool based on ssd_rule rules rules
4. Testing ssd-based pools
ceph has since added a new feature called crush class, also known as ...
Posted on Mon, 24 Jun 2019 09:50:26 -0700 by whizzkid-000
> Now we need to migrate three kvm virtual machines from the Centos 7.2 physical machine to the Centos 6.6 physical machine.
> The system can be imported normally and the operation is skipped.
2. Error reporting information:
The disk file qcow2 is not working properly. The error is as follows:
virsh # attach-disk dlw1 /kvm ...
Posted on Sun, 14 Apr 2019 11:39:33 -0700 by peytonrm
For Kolla-Ansible, please refer to "Deploying OpenStack Pike on CentOS 7 Single Node Using Kolla-Ansible";
To deploy the Ceph service, refer to "Ceph Learning Notes 1-Mimic Version Multi-node Deployment".
Log in as osdev user:
$ ssh osdev@osdev01
$ cd /opt/ceph/deploy/
Create Poo ...
Posted on Sat, 26 Jan 2019 20:54:14 -0800 by rayner75