if its this: http://www.acmemicro.com/Product/17848/Kioxia-KCD6XLUL15T3---15-36TB-SSD-NVMe-2-5-inch-15mm-CD6-R-Series-SIE-PCIe-4-0-5500-MB-sec-Read-BiCS-FLASH-TLC-1-DWPD its listed as 1 DWPD with a 5 year warranty. So should be ok. Thanks, Kevin ________________________________________ From: Robert Sander <r.sander@xxxxxxxxxxxxxxxxxxx> Sent: Wednesday, November 30, 2022 11:58 PM To: ceph-users Subject: Re: Tuning CephFS on NVME for HPC / IO500 Check twice before you click! This email originated from outside PNNL. Hi, On 2022-12-01 8:26, Manuel Holtgrewe wrote: > The Ceph cluster nodes have 10x enterprise NVMEs each (all branded as > "Dell > enterprise disks"), 8 older nodes (last year) have "Dell Ent NVMe v2 > AGN RI > U.2 15.36TB" which are Samsung disks, 2 newer nodes (just delivered) > have > "Dell Ent NVMe CM6 RI 15.36TB" which are Kioxia disks. Does the "RI" stand for read-intensive? I think you need mixed-use flash storage for a Ceph cluster as it has many random write accesses. Regards -- Robert Sander Heinlein Support GmbH Schwedter Str. 8/9b, 10119 Berlin https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.heinlein-support.de%2F&data=05%7C01%7Ckevin.fox%40pnnl.gov%7C5240a7d0843a49017a8c08dad37204ba%7Cd6faa5f90ae240338c0130048a38deeb%7C0%7C0%7C638054783937073502%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=oCkCgU2SgVMQME30%2FABSLAUPtr2x6XSsHo9nL71UZIc%3D&reserved=0 Tel: 030 / 405051-43 Fax: 030 / 405051-19 Amtsgericht Berlin-Charlottenburg - HRB 93818 B Geschäftsführer: Peer Heinlein - Sitz: Berlin _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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