On Thu, Jan 6, 2022, 2:09 PM Rich Shepard <[email protected]> wrote:
> On Tue, 4 Jan 2022, Rich Shepard wrote: > > > I want to setup sde and sdf using raid1 for backups. I assume that since > > each is partitioned (sde1 and adf1) I can run mdadm and set up the raid1. > > mdadm set up /dev/sde and /dev/sdf as RAID1 disks. I set the array as > /dev/md0 and installed ext4 on it. Everything went fine, but now md0 is > continuously running md0_resync and I cannot find how to stop it in the > adman docs I have. > > The man page tells me that the initial md0_resync runs after the RAID is > created, and md0 can be used right away. Since there are no data yet on > either disk (both 1TiB) how long will it resync two disks with no data on > either? > > Rich > Rich, It is a block level resync, not a file level resync so it does the whole partition and can take several hours. cat /proc/mdstat will tell you how far along it is. >
