Hi, You SSD is a "desktop" SSD, not a "enterprise" SSD, see [1] This mostly was't suitable for Ceph
[1] https://yourcmc.ru/wiki/Ceph_performance#CAPACITORS.21 k > On 25 Jan 2023, at 05:35, peter...@raksmart.com wrote: > > Hi Mark, > Thanks for your response, it is help! > Our Ceph cluster use Samsung SSD 870 EVO all backed with NVME drive. 12 SSD > drives to 2 NVMe drives per storage node. Each 4TB SSD backed 283G NVMe lvm > partition as DB. > Now cluster throughput only 300M write, and around 5K IOPS. I could see NVMe > drive utilization over 95% show on ‘iostat’ command. Will NVMe drive be a > bottle neck quickly if we have large of IO in cluster? > I have read the top article about OSD bundle with CPU cores. However I can > only find script called pincpu on the github to automate process to allocate > CPU core with OSDs. It seems not work for me. Do you have any tool or > official instruction that can guide me to test it? _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
