Re: [ceph-users] Suggestions/experiences with mixed disk sizes and models from 4TB - 14TB

2019-01-18 Thread Hector Martin
On 16/01/2019 18:33, Götz Reinicke wrote: My question is: How are your experiences with the current >=8TB SATA disks are some very bad models out there which I should avoid? Be careful with Seagate consumer SATA drives. They are now shipping SMR drives without mentioning that fact anywhere in

Re: [ceph-users] Suggestions/experiences with mixed disk sizes and models from 4TB - 14TB

2019-01-17 Thread Bryan Stillwell
xperiences with mixed disk sizes and models from 4TB - 14TB Dear Ceph users, I’d like to get some feedback for the following thought: Currently I run some 24*4TB bluestore OSD nodes. The main focus is on storage space over IOPS. We use erasure code and cephfs, and things look good right now. The

Re: [ceph-users] Suggestions/experiences with mixed disk sizes and models from 4TB - 14TB

2019-01-16 Thread Ashley Merrick
Have had some good experiences with ST1NM0156-2AA111 Also running with EC but using RBD for slow storage for VM's, have had good performance for what id expect for 10TB drive's and EC. I would definitely say getting helium drives helps VS standard air filled when you get to the 8TB+ drives.

[ceph-users] Suggestions/experiences with mixed disk sizes and models from 4TB - 14TB

2019-01-16 Thread Götz Reinicke
Dear Ceph users, I’d like to get some feedback for the following thought: Currently I run some 24*4TB bluestore OSD nodes. The main focus is on storage space over IOPS. We use erasure code and cephfs, and things look good right now. The „but“ is, I do need more disk space and don’t have so muc