On 12/09/2020 03:09, Graham Perrin wrote:
… If the pool is ONLINE and imported at suspend time – and if not
actively writing to the device at suspend time …
Testing more aggressively (still with a low spec USB flash drive),
attempting to suspend _immediately after_ writes to the file system.
Second test:
----
root@momh167-gjp4-8570p:~ # date ; uptime ; uname -v ; zfs version
Sat Sep 12 04:13:07 BST 2020
4:13AM up 8 mins, 5 users, load averages: 0.95, 0.60, 0.30
FreeBSD 13.0-CURRENT #64 r365364: Sun Sep 6 01:38:18 BST 2020
root@momh167-gjp4-8570p:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG
zfs-0.8.0-1
zfs-kmod-0.8.0-1
root@momh167-gjp4-8570p:~ # zpool status usb ; zfs get mountpoint usb
pool: usb
state: ONLINE
scan: scrub repaired 0B in 00:00:01 with 0 errors on Sat Sep 12
03:20:51 2020
config:
NAME STATE READ WRITE CKSUM
usb ONLINE 0 0 0
da0p1 ONLINE 0 0 0
errors: No known data errors
NAME PROPERTY VALUE SOURCE
usb mountpoint /Volumes/usb local
root@momh167-gjp4-8570p:~ # du -hs
/usr/home/grahamperrin/Videos/palmtree.mp4
68M /usr/home/grahamperrin/Videos/palmtree.mp4
root@momh167-gjp4-8570p:~ # gdd status=progress bs=1M
if="/usr/home/grahamperrin/Videos/palmtree.mp4"
of="/Volumes/usb/palmtree.mp4" ; date ; acpiconf -s3
----
In both tests: suspend failed, it was necessary to force off the computer.
Photographs of the second test:
<https://photos.app.goo.gl/5WRVrCRioCEwnmUg6>
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