Date: Thu, 13 Sep 2018 16:42:34 -0400 From: Mike Tancsa <mike@sentex.net> To: FreeBSD-STABLE Mailing List <freebsd-stable@FreeBSD.org> Subject: ZFS: i/o error - all block copies unavailable Message-ID: <2fc1f80f-c92d-4b9a-18a5-88718b076ac5@sentex.net>
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I have been getting the above error at boot time (I think) for some time
even though the box boots just fine. The server boots from a pair of
SSDs in mirror and then a number of other pools off different
controllers get mounted. All the pools show fine but I am curious if
this error will come to something worse in the future. Googling around
seems to point to different issues and goes back to RELENG8 days. The
box is AMD64, RELENG_11 r338656
drive R: is disk15 \
BIOS drive S: is disk16
\
BIOS drive T: is disk17
\
BIOS drive U: is disk18
\
ZFS: i/o error - all block copies unavailable
\
ZFS: i/o error - all block copies unavailable
BIOS 603kB/1915980kB available memory
-
\
FreeBSD/x86 ZFS enabled bootstrap loader, Revision 1.1
-
\
Loading /boot/defaults/loader.conf
-
... normal boot after that
pool: zroot
state: ONLINE
scan: resilvered 38.6G in 0h2m with 0 errors on Tue Sep 4 14:06:40 2018
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/zfs0 ONLINE 0 0 0
ada1p3 ONLINE 0 0 0
errors: No known data errors
ada1 was replaced recently as its wear level was reaching 0, but the
errors were there prior to replacement
---Mike
-
--
-------------------
Mike Tancsa, tel +1 519 651 3400 x203
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada
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