How to create 256GB zns ssd ?

[OGSD]

I create 512G disk image
qemu-img create -f qcow2 femu.qcow2 512G

I modify run-zns.sh
devsz_mb=262144

when i run run-zns.sh
i got the error this error
qemu-system-x86_64: -device femu,devsz_mb=262144,femu_mode=3: GLib: ../../../glib/gmem.c:167: failed to allocate 274877906944 bytes

how can i solve it

[DingcuiYu]

FEMU is a DRAM-based emulator. So your host should have 256GB DRAM to create a 256GB zns ssd.

[OGSD]

FEMU is a DRAM-based emulator. So your host should have 256GB DRAM to create a 256GB zns ssd.

Thanks~ I got it