Really? How to mount a blk device to /dev/nbdN? I always find tips to mount from file-like image to /dev/nbdN
2018-08-16 19:46 GMT+08:00 Eric Blake <ebl...@redhat.com>: > On 08/16/2018 03:22 AM, Daniel P. Berrangé wrote: > >> On Thu, Aug 16, 2018 at 09:35:52AM +0800, lampahome wrote: >> >>> We all know there's a file size limit 16TB in ext4 and other fs has their >>> limit,too. >>> >>> If I create an qcow2 20TB on ext4 and write to it more than 16TB. Data >>> more >>> than 16TB can't be written to qcow2. >>> >>> So, is there any better ways to solve this situation? >>> >> >> I'd really just recommend using a different filesystem, in particular XFS >> has massively higher file size limit - tested to 500 TB in RHEL-7, with a >> theoretical max size of 8 EB. It is a very mature filesystem & the default >> in RHEL-7. >> > > Or target raw block devices instead of using a filesystem. LVM works great. > > -- > Eric Blake, Principal Software Engineer > Red Hat, Inc. +1-919-301-3266 > Virtualization: qemu.org | libvirt.org >