Date: Tue, 23 Oct 2001 04:49:50 -0400 From: Ben Eisenbraun <bene@nitrogen.nexthop.net> To: freebsd-questions@freebsd.org Subject: recovery of corrupt vinum plexes? Message-ID: <20011023044950.A43848@nitrogen.nexthop.net>
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Howdy-
I'm hoping someone knows if it's possible to recover from a vinum state
like the one below. I wedged the NIC somehow and during the reboot,
the machine paniced while coming up; I rebooted a few more times before
getting it to single user.
vinum -> list
8 drives:
D max1 State: up Device /dev/ad0e Avail: 19529/19529 MB (100%)
D max2 State: up Device /dev/ad2e Avail: 19529/19529 MB (100%)
D wd1 State: up Device /dev/ad8e Avail: 57239/57239 MB (100%)
D wd2 State: up Device /dev/ad10e Avail: 57239/57239 MB (100%)
D max3 State: referenced Device Avail: 0/0 MB
D max4 State: referenced Device Avail: 0/0 MB
2 volumes:
V stripe-mirror State: up Plexes: 2 Size: 111 GB
V var-mirror State: up Plexes: 2 Size: 19 GB
4 plexes:
P stripe-mirror.p0 S State: corrupt Subdisks: 2 Size: 111 GB
P stripe-mirror.p1 S State: corrupt Subdisks: 2 Size: 111 GB
P var-mirror.p0 C State: up Subdisks: 1 Size: 19 GB
P var-mirror.p1 C State: up Subdisks: 1 Size: 19 GB
6 subdisks:
S stripe-mirror.p0.s0 State: crashed PO: 0 B Size: 55 GB
S stripe-mirror.p0.s1 State: up PO: 512 kB Size: 55 GB
S stripe-mirror.p1.s0 State: crashed PO: 0 B Size: 55 GB
S stripe-mirror.p1.s1 State: up PO: 512 kB Size: 55 GB
S var-mirror.p0.s0 State: up PO: 0 B Size: 19 GB
S var-mirror.p1.s0 State: up PO: 0 B Size: 19 GB
I tried grabbing the requested log info from the vinum slices, but the
output didn't turn out as expected:
# for i in /dev/ad4s1e /dev/ad6s1e /dev/ad8s1e /dev/ad10s1e ; do
> (dd if=$i skip=8 count=6|tr -d '\000-\011\200-\377'; echo) >> log
> done
1~^R:/uB
^O1u[^_US]^PSu^Lu#9u1^Th^]#h$#V]^LUWVS]=<*u}=*u^Oh 7**j^Pj^P5*{u+hd5*h$=\)T^Yt^ThE#80$^T*<*u1^Z9^]*
^O5^T*15$^O^M$^\$!^O=^X$=^P$15x$^M`$>^Md$P5*^Of15x$)5* ^]*0^P*^L*E^LE05))9u^Pvu^PU^PU^O6^MP$^]0^K^?
<)k)9^P*tI=*u^Oh *5^T*^Md$)P5*^O)^P*C=t$^U*:^K^? C^MP$^M)9w^Ru;)w50$^X5)#58)5@)#5L$9=^L*t*P^Md$P5*S
^O=^L*0#8));uvuV*PMQu50)u^OE^Pe[^_^LUWVS=<*^OU=^X*u^Ohx^X*4*jj5^X*^O^]^X*,*w=1zu^W
uw^KFu^Mt^PFv=,*u,*t#t\{t
hN#C4*j4*@P5^X*(uy^M^X*9WEVu^LWEVt^P=0*tihT#E=8*u^Wfyu
$*8*^O^U0*9s^Ou^VhZ#h$#4#4*u^P4*E^LE^LPue[^_^LU^PWVS}u^L%^O^OGst%^?
(I have a feeling this bodes ill.)
The logfile at /var/log/vinum_history contains no relevant info.
I do have copies of the original configuration files, and the "How to
debug vinum" page mentions that it may be possible to re-create the
on-disk configuration, but I'm not sure what steps I need to take to
try this.
I'm guessing I could 'resetconfig', 'create -f my-config-file' and
then not 'init' the plex, but I thought I would seek advice before
doing that.
I have a trace from the crash and some other info that spewed on the
console if it's of interest.
Thanks!
-ben
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