Hi Daniel, i would Not use Size of 2! At least you should use Size 3 and min Size of 2.
Otherwise you will be in Trouble in Case of a serious ceph error. You can find a lot of discussion in the ceph Mailing List Related to this. Hf - Mehmet Am 19. März 2017 01:24:33 MEZ schrieb Alwin Antreich <[email protected]>: >Hi Daniel, > >On 03/18/2017 11:17 PM, Daniel wrote: >> Hi there, >> >> i created a Cephcluster with 6 OSDs. Each OSD has 500GB >> >> In Proxmox I created a Pool with Size 2 Min 1. >> Ceph df shows me I can use round about 1300GB Disk space. >> Now I wanted to understand what Size and Min means. >> >> I think Size means duplicate 2 times – that’s the reason why I can >use only the half of 2700GB which also means I can break 3 HDDs. >> But what means Min? I also can’t find anything in the documentation. >The min 1, is the min_size option of the pool and tells ceph what >should be the minimal number of replicas to serve I/O. >http://docs.ceph.com/docs/jewel/rados/operations/pools/ > >ceph mailing list >http://docs.ceph.com/docs/master/start/get-involved/ >> >> -- >> Grüsse >> >> Daniel >> _______________________________________________ >> pve-user mailing list >> [email protected] >> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >> >Cheers, >Alwin >_______________________________________________ >pve-user mailing list >[email protected] >http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user _______________________________________________ pve-user mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
