On Mon, 24 May 2021 20:47:42 -0700 (PDT), in
gmane.comp.hardware.beagleboard.user Karishma Jaiswal
<[email protected]> wrote:
> not getting the exact reason why * 51.048s dev-mmcblk1p1.device *this is
>taking too much time and is there any way that we can reduce it?
>
Part of that may be tied to the flash memory device itself. Booting
from eMMC, my BBB came up with:
debian@beaglebone:~$ systemd-analyze blame
48.972s generic-board-startup.service
48.587s dev-mmcblk1p1.device
3.739s nginx.service
But booting from a uSD card (my normal mode to avoid "wearout" of the eMMC)
showed:
debian@beaglebone:~$ systemd-analyze blame
49.889s generic-board-startup.service
39.657s dev-mmcblk0p1.device
4.126s nginx.service
... The uSD was 10 seconds faster, even though that is an 8GB uSD card vs
the 4GB eMMC.
I couldn't find anything confirming if there is some sort of boot time
fsck being run.
debian@beaglebone:~$ sudo tune2fs -l /dev/mmcblk0p1
tune2fs 1.44.5 (15-Dec-2018)
Filesystem volume name: rootfs
Last mounted on: /
<SNIP>
Last mount time: Tue May 25 12:34:35 2021
Last write time: Tue May 25 12:34:31 2021
Mount count: 132
Maximum mount count: -1
Last checked: Wed Aug 19 21:34:49 2020
Check interval: 0 (<none>)
<SNIP>
debian@beaglebone:~$
Those seem to imply that no fsck is run at boot time.
--
Dennis L Bieber
--
For more options, visit http://beagleboard.org/discuss
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