[ceph-users] CephFS

Hi there, Got a quick question regarding the CephFileSystem. After implementing the setup from the quick start guide and having a Admin-Node, Monitor/Metadata Server, OSD0 and OSD1. If I were to implement the mount on the Admin-Node at the location /mnt/mycephfs, if I were then to transfer files t

[ceph-users] CephFS

Hi, I'm looking to implement the CephFS on my Firefly release (v0.80) with an XFS native file system, but so far I'm having some difficulties. After following the ceph/qsg and creating a storage cluster, I have the following topology admin node - mds/mon osd1

[ceph-users] Ceph Architecture and File Management

Hi, I'm looking to create a Ceph storage architecture to store files, I'm particularly interested in the metadata segregation so would be implementing the Ceph Storage Cluster to start, with CephFS added once done. I'm wondering what the best approach to storing data would be, for example, conside

[ceph-users] CRUSH Algorithm

Hi, I was wondering what hash function the CRUSH algorithm used, is there any way that I can access the code for it? Or is it a commonly used one such as MD5 or SHA-1. Essentially, I'm just looking to read more information about it as I'm interested how this is used in order to look up objects ind

[ceph-users] Storing Metadata

Hi there, I'm currently following the Ceph QSGs and have currently finished the Storage Cluster Quick Start and have the current topology of admin-node - node1 (mon, mds) - node2 (osd0) - node3 (osd1) I am now looking to continue creating a block device and th

[ceph-users] (no subject)

Hi there, I'm currently following the Ceph QSGs and have currently finished the Storage Cluster Quick Start and have the current topology of admin-node - node1 (mon, mds) - node2 (osd0) - node3 (osd1) I am now looking to continue creating a block device and th

[ceph-users] Cannot Issue Ceph Command

Hi there, I have managed to complete the storage cluster Quick Start Guide and have had no issues so far. However, whenever I try to use a [ceph] command rather than [ceph-deploy] command, I get an error message which basically states that the command isn't installed. bash: ceph: command not foun

[ceph-users] (no subject)

Hi, I'm having issues activating my OSDs. I have provided the output of the fault. I can see that the error message has said that the connection is timing out however, I am struggling to understand why as I have followed each stage within the quick start guide. For example, I can ping node1 (which

[ceph-users] Issue activating OSDs

Hi, I'm having issues activating my OSDs. I have provided the output of the fault. I can see that the error message has said that the connection is timing out however, I am struggling to understand why as I have followed each stage within the quick start guide. For example, I can ping node1 (which

[ceph-users] Issue activating OSDs

Hi, I've recently deployed Ceph among four machines, one admin and three nodes, following the architecture from the ceph.com/qsg and making osd directories in /var/local. However, when I have tried to activate the OSDs, it breaks, even when preparing them was successful. I have provided a log of t