Hi, I’m trying to use a RBD to act as a staging area for some data before pushing it down to some LTO6 tapes. As I cannot use striping with the kernel client I tend to be maxing out at around 80MB/s reads testing with DD. Has anyone got any clever suggestions of giving this a bit of a boost, I think I need to get it up to around 200MB/s to make sure there is always a steady flow of data to the tape drive. Rbd-fuse seems to top out at 12MB/s, so there goes that option. I’m thinking mapping multiple RBD’s and then combining them into a mdadm RAID0 stripe might work, but seems a bit messy. Any suggestions? Thanks, Nick |
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