On Mon, 2015-07-27 at 12:36 +0200, Jens-U. Mozdzen wrote:
>
> - bcache bucket size is 512k, tree_depth is 1
>
> - setup details:
>
> -- md RAID6 "data" via seven 1 TB physical disks ("blockdev --getsz"
> reports 9767605760 512byte blocks, approx 5 TB)
>
> -- md RAID1 "cache" via two 128 GB SSDs ("blockdev --getsz" reports
> 249936512 512byte blocks, approx 125 GB)
>
> -- "bcache0" made from "data" and "cache"
>
> -- LVM via single physical volume "bcache0"
>
> -- many LVs create with older kernel
>
> -- DRBD on top of each LV. This server is always primary, no
> "fail-over" to a different node!
>
> -- file system (to be) created on the DRBD devices
I tried setup DRBD on 2 VMs(qemu-kvm), but couldn't reproduce it.
Could you write a script to show how you setup all
these(bcache/RAID/LVM/DRBD)?
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