# mount | grep sdc3
/dev/mapper/HGST_HTS721010A9E630_JR10006P0BSEEF3 on /sdc3 type ext4
(rw,relatime,journal_checksum)
So, how come I do not see it listed as I see /dev/sda3. To wit:
# mount | grep sda3
/dev/sda3 on / type ext4 (rw,relatime,data=ordered)
If I unmount /dev/mapper/HGST_HTS721010A9E630_JR10006P0BSEEF3
# umount /dev/mapper/HGST_HTS721010A9E630_JR10006P0BSEEF3
and I try
# mount /dev/sdc3 /sdc3
mount: special device /dev/sdc3 does not exist
# grep sdc3 /etc/fstab
UUID=e64d7b94-1ffb-4a2e-ae59-5f8e54b6cab9 /sdc3 ext4
noauto,data=ordered,journal_checksum 3 3
# blkid /dev/sdc3
/dev/sdc3: UUID="e64d7b94-1ffb-4a2e-ae59-5f8e54b6cab9" TYPE="ext2"
PARTUUID="96e20bf8-03"
dmesg shows these errors:
[ 25.083098] systemd-udevd[385]: inotify_add_watch(7, /dev/sdc3, 10)
failed: No such file or directory
[ 25.084057] systemd-udevd[386]: inotify_add_watch(7, /dev/sdc4, 10)
failed: No such file or directory
[ 25.085042] systemd-udevd[384]: inotify_add_watch(7, /dev/sdc2, 10)
failed: No such file or directory
[ 25.087052] systemd-udevd[381]: inotify_add_watch(7, /dev/sdc1, 10)
failed: No such file or directory
Runing partprobe:
# partprobe
device-mapper: remove ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF4
failed: Device or resource busy
device-mapper: remove ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF3
failed: Device or resource busy
device-mapper: remove ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF2
failed: Device or resource busy
device-mapper: remove ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF1
failed: Device or resource busy
Warning: parted was unable to re-read the partition table on
/dev/mapper/HGST_HTS721010A9E630_JR10006P0BSEEF (Device or resource
busy). This means Linux won't know anything about the modifications you
made.
device-mapper: create ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF1
failed: Device or resource busy
device-mapper: remove ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF1
failed: Device or resource busy
device-mapper: create ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF2
failed: Device or resource busy
device-mapper: remove ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF2
failed: Device or resource busy
device-mapper: create ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF3
failed: Device or resource busy
device-mapper:remove ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF3
failed: Device or resource busy
device-mapper: create ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF4
failed: Device or resource busy
device-mapper: remove ioctl on HGST_HTS721010A9E630_JR10006P0BSEEF4
failed: Device or resource busy
device-mapper: remove ioctl on WDC_WD20NPVX-00EA4T0_WD-WXV1E53KAE83p3
failed: Device or resource busy
Warning: parted was unable to re-read the partition table on
/dev/mapper/WDC_WD20NPVX-00EA4T0_WD-WXV1E53KAE83 (Device or resource
busy). This means Linux won't know anything about the modifications you
made.
device-mapper: create ioctl on WDC_WD20NPVX-00EA4T0_WD-WXV1E53KAE83p3
failed: Device or resource busy
device-mapper: remove ioctl on WDC_WD20NPVX-00EA4T0_WD-WXV1E53KAE83p3
failed: Device or resource busy
So, whatmight be causing this?
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