Did you originally have /dev/md0p1 in fstab and you have edited fstab since you booted? If so the great and amazing systemd will not be amused and will still have a job for the old device, you will need to run systemctl daemon-reload for it to read the fstab file as it is not smart enough to do that itself. On Sun, May 24, 2020 at 5:44 PM Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote: > > On Mon, 2020-05-25 at 05:34 +0800, Ed Greshko wrote: > > On 2020-05-25 05:20, Patrick O'Callaghan wrote: > > > On Mon, 2020-05-25 at 03:16 +0800, Ed Greshko wrote: > > > > > > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT > > > > > > sda 8:0 0 50G 0 disk > > > > > > └─md0 9:0 0 50G 0 raid1 > > > > > > sdb 8:16 0 50G 0 disk > > > > > > └─md0 9:0 0 50G 0 raid1 > > > > > > sr0 11:0 1 1024M 0 rom > > > > > > vda 252:0 0 30G 0 disk > > > > > > ├─vda1 252:1 0 1G 0 part /boot > > > > > > └─vda2 252:2 0 29G 0 part > > > > > > ├─fedora_f31k-root 253:0 0 27G 0 lvm / > > > > > > └─fedora_f31k-swap 253:1 0 2.1G 0 lvm [SWAP] > > > > > > and it seems a bit more "sane" than your configuration. > > > > > Yours is using LVM, which I wanted to avoid. That may be the root of > > > > > the issue (though I've no idea why). > > > > > > > > ????? > > > > > > > > > > > > > > > > The RAID Array isn't using LVM. > > > > > > > > > > > > > > > > This is just an added pair of disks, with RAID. > > > Oops, I was looking at the vda[12] rather than sd[ab] > > > > OK. All things being equal, if I were in your shoes I'd go back and redo the RAID creation. > > > > When the "mdadm --create" is performed and mirroring of the drives begins the array can still > > be used. You can proceed with mkfs on it simultaneous. > > OK, I did this: > > # mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sd[de] > mdadm: /dev/sdd appears to be part of a raid array: > level=raid1 devices=2 ctime=Wed May 20 16:34:58 2020 > mdadm: partition table exists on /dev/sdd but will be lost or > meaningless after creating array > mdadm: Note: this array has metadata at the start and > may not be suitable as a boot device. If you plan to > store '/boot' on this device please ensure that > your boot-loader understands md/v1.x metadata, or use > --metadata=0.90 > mdadm: /dev/sde appears to be part of a raid array: > level=raid1 devices=2 ctime=Wed May 20 16:34:58 2020 > mdadm: partition table exists on /dev/sde but will be lost or > meaningless after creating array > Continue creating array? y > mdadm: Fail create md0 when using /sys/module/md_mod/parameters/new_array > mdadm: Defaulting to version 1.2 metadata > mdadm: array /dev/md0 started. > > And now I find: > # lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT > [...] > sdd 8:48 0 931.5G 0 disk > └─md0 9:0 0 931.4G 0 raid1 > └─md0p1 259:0 0 931.4G 0 part /run/media/poc/6cb66da2-147a-4f3c-a513-36f6164ab581 > sde 8:64 0 931.5G 0 disk > └─md0 9:0 0 931.4G 0 raid1 > └─md0p1 259:0 0 931.4G 0 part /run/media/poc/6cb66da2-147a-4f3c-a513-36f6164ab581 > > So although the above message says the existing partition table will be > lost, for some reason I'm still getting a partition, while you > apparently didn't. I copied the --create command directly from the man > page. Is this not the "standard" way you mentioned in an earlier reply? > > Finally, the /run/media/... etc. mounts now show my existing data. All > the same, the disk lights are busy and I expect them to be going all > night. > > poc > _______________________________________________ > users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
