pool

  1. ZFS or something else?

    Hi guys, I have read a lot of threads about zfs vs ext4 and zfs in general. I’m still looking for some answers. Can you guys help me get more insigt into creating a good setup for my homeserver? Currently I use an HP elitedesk with 3 ext4 disks, 1 hdd for root, 1 ssd for VM’s, 1 hdd for data...
  2. ssaman

    Bandwidth very low - 2,3 MB/sec

    Hello together, we have a big problem with our ceph configuration. Since 2 weeks the Bandwidth dropped extreme low. Has anybody an idea how we can fix this?
  3. Ceph show "slow requests are blocked" when creating / modifying CephFS

    Hi, I have noticed in Ceph log (ceph -w) an increase of "slow requests are blocked" when I create CephFS, e.g. 2019-10-14 16:41:32.083294 mon.ld5505 [INF] daemon mds.ld4465 assigned to filesystem cephfs as rank 0 2019-10-14 16:41:32.121895 mon.ld5505 [INF] daemon mds.ld4465 is now active in...
  4. API interface and pool

    HI, I use API interface to manage VMs. I have a process that clone the collected VM ID into a new POOL. Some cloned VM will not be in the POOL. I use workaround. After the clone processes I check which VM located in the POOL. I add the missing VMs. But the Pool members responses sometimes not...
  5. Cannot delete this raw disk from Ceph storage pool

    Greetings all. This is my first time playing around Proxmox environment. Yesterday, I was trying to redo a Ceph pool storage and try to remove a container from the cluster that is connected to the Ceph pool storage. The container is a success, but then I encounter this problem where I cannot...
  6. Add restored VM to Pool via CLI

    Hello! Please help me. How to add new restored VM from backup dump to exist pool via CLI ? I need it to make auto tasks in Bamboo. THX!
  7. [SOLVED] Ceph Dashboard - Pool/raw files are not shown in browser

    Hi all! i have a three node cluster with ceph. every node has 7 osds. I know that i have seen the osds in the dashboard of ceph, but today i updated pve to latest version, and there are no osds shown in the dashboard. Normaly there are the raw files listed in the dashboard, but now it is...
  8. creating ceph pool according to pg calc

    Hello! I am trying to create a ceph pool through GUI with size 3, min 2, pg_num 2048 according to the pg calc i get the following error: TASK ERROR: mon_command failed - For better initial performance on pools expected to store a large number of objects, consider supplying the...
  9. [SOLVED] Weird problem with imported ZFS disk.

    I come from Freenas and had a lot of data on a ZFS pool I created (2 x 8 TB disk) and now I migrated to Proxmox, when I did zpool import it all went without error and the pool showed up under Server > Disks > ZFS. But I noticed that it didn't appear in the left collom where all my other storage...
  10. ceph misplaced objects

    Hi all, I'm new with ceph and ran into an interesting warning message which I think I can not interpret correctly and would appreciate any suggestion/comment on this, where to start rolling up the case and/or I missing something. First of all, the configuration structured as follows: 3 node...
  11. CephFS: How to create with different size?

    When creating a regular (RBD) Ceph pool, there are options in both the GUI and in pveceph to determine the size (replication count) and the min. size (online replicas for read) of the pool. However, when creating a CephFS pool, neither the GUI, not pveceph provides an option to create one with a...
  12. Howto define Ceph pools for use case: central DB backup storage

    Hi, my use case for Ceph is providing a central backup storage. This means I will backup multiple databases in Ceph storage cluster mainly using librados. There's a security demand that should be considered: DB-owner A can only modify the files that belong to A; other files (owned by B, C or D)...
  13. Error adding zfs pool on a new cluster node

    Hello, i have added a cluster node ( proxmox 5 no shared storage ), than i'm creating the pool: zpool create -f -o ashift=12 STORAGE mirror /dev/sdc /dev/sdd mountpoint '/STORAGE' exists and is not empty use '-m' option to provide a different default root@cvs7:~# zfs list NAME...
  14. Ceph storage mix SSD and HDD

    Good afternoon, colleagues! I have a problem with the implementation of Ceph storage. My configuration: There is a Supermicro Superblade chassis, which has 20 physical servers. Each server has 2 processors, 64 GB of RAM, 1xSDD 32GB for OS, 1xSSD and 1xHDD for Ceph There is a desire to collect...
  15. Multiple people create their own vms, but shouldn't see each other. Can we use one lvm-thin?

    I'd like to be able to give access to two-three people so they can install stuff on my proxmox. In order for these guys to be able to create a vm/lxc, they have to have the Datastore.AllocateTemplate on the storage which is only found in PVEDatastoreAdmin. So in order for two people to create...
  16. [SOLVED] How to properly set/use ZFS pools in a cluster?

    Hi everyone, I have a proxmox 4 cluster using local disks as storage (type = directory) and I'm currently testing ZFS pools on my futur cluster (proxmox 5). On my old cluster (storage type = directory), I can cold-migrate LXC containers from a proxmox host to another because every host has a...
  17. Ceph: creating pool with storage

    Hello! I have created a pool + storage with WebUI. This worked well, means both pool and storage are available. In the "storage view" I can see: <poolname>_ct <poolname>_vm Question: From Ceph point-of-view, what is represented by <poolname>_ct and <poolname>_vm respectively? It's not a RBD...
  18. [SOLVED] Ceph: creating pool for SSD only

    Hi, in case I want to create a pool with SSDs only that is separated from HDDs I need to manipulate the CRUSH map and enter another root. Is my assumption correct? THX
  19. Ceph HEALTH_WARN: Degraded data redundancy: 512 pgs undersized

    Hi, I have configured Ceph on a 3-node-cluster. Then I created OSDs as follows: Node 1: 3x 1TB HDD Node 2: 3x 8TB HDD Node 3: 4x 8TB HDD This results in following OSD tree: root@ld4257:~# ceph osd tree ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF -1 54.20874 root default -3...
  20. My POOLS MAX AVAIL is not full capacity in version 5.2

    Hello, I just completed a new setup of Proxmox version 5.2 with 3 hosts and 18 OSDs. This time my cluster setup is not as previous by manual command line in 5.2 version installation. I use GUI to complete my cluster setup, awesome :) While I finished ceph-pool setup with following: Size/min...

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