[ceph-users] Re: Ceph osd will not start.

2021-05-29 Thread Peter Childs
As far as I can see, cephadm on debian buster works, until it attempts to start to many osd daemons at once. I've a feeling it's running out of resources, but I'm not sure which ones it does not look like memory. I need to get back on site to play with the hardware, there is only so much one can t

[ceph-users] Re: Fwd: Re: Ceph osd will not start.

2021-05-29 Thread David Orman
You may be running into the same issue we ran into (make sure to read the first issue, there's a few mingled in there), for which we submitted a patch: https://tracker.ceph.com/issues/50526 https://github.com/alfredodeza/remoto/issues/62 If you're brave (YMMV, test first non-prod), we pushed an i

[ceph-users] SSD recommendations for RBD and VM's

2021-05-29 Thread by morphin
Hello. I have virtualization env and I'm looking new SSD for HDD replacement. What are the best Performance / Price SSDs in the market right now? I'm looking 1TB, 512GB, 480GB, 256GB, 240GB. Is there a SSD recommendation list for ceph? ___ ceph-users ma

[ceph-users] nomenclature: ceph or cephfs (initramfs-tools)

2021-05-29 Thread Markus Kienast
Hi, I have created initramfs scripts for booting from RBD and CephFS: https://launchpad.net/~trickkiste/+archive/ubuntu/ceph-initramfs https://gitlab.com/trickkiste-at/ceph-initramfs I noticed that the CephFS kernel module seems to be named "ceph" not "cephfs", so I would like to to inquire wheth

[ceph-users] Re: Fwd: Re: Ceph osd will not start.

2021-05-29 Thread Marco Pizzolo
Thanks David We will investigate the bugs as per your suggestion, and then will look to test with the custom image. Appreciate it. On Sat, May 29, 2021, 4:11 PM David Orman wrote: > You may be running into the same issue we ran into (make sure to read > the first issue, there's a few mingled in

[ceph-users] Re: SSD recommendations for RBD and VM's

2021-05-29 Thread Anthony D'Atri
The choice depends on scale, your choice of chassis / form factor, budget, workload and needs. The sizes you list seem awfully small. Tell us more about your use-case. OpenStack? Proxmox? QEMU? VMware? Converged? Dedicated ? —aad > On May 29, 2021, at 2:10 PM, by morphin wrote: > > Hell

[ceph-users] Re: SSD recommendations for RBD and VM's

2021-05-29 Thread by morphin
Hello Anthony. I use Qemu and I don't need size. I've 1000 vm and usually they're clones from the same rbd image. The image is 30GB. Right now I've 7TB Stored data. rep x3 = 20TB data. It's mostly read intensive. Usage is stable and does not grow. So I need I/O more than capacity. That's why I'm