> -----Original Message-----
> From: Robert Mustacchi [mailto:[email protected]]
> Sent: 星期二, 一月 26, 2016 14:57
> To: [email protected]
> Cc: illumos-developer
> Subject: Re: [smartos-discuss] Is zfs dead man timer tunable?
>
> On 1/25/16 22:50 , Fred Liu wrote:
> > [root@pluto /zones/debug]# ls -la
> > total 4818285
> > drwxr-xr-x 2 root root 5 Jan 26 14:16 .
> > drwxr-xr-x 16 root root 19 Jan 25 19:21 ..
> > -rw-r--r-- 1 root root 2 Jan 26 14:15 bounds
> > -rw-r--r-- 1 root root 1056 Jan 26 14:15 METRICS.csv
> > -rw-r--r-- 1 root root 4305518592 Jan 26 14:15 vmdump.0
> > [root@pluto /zones/debug]# mdb -f vmdump.0
> >> echo ::zio_state
> > mdb: failed to dereference symbol: operation not supported by
> target
> > > ::status
> > debugging file 'vmdump.0' (object file)
> >
> > [root@pluto /zones/debug]# echo "::zio_state" | mdb -f vmdump.0
> > invalid command '::zio_state': unknown dcmd name
> >
> > It looks like I can't find too much useful info here.
>
> You don't want to be using mdb -f on a system dump. Instead here, I
> would go into that directory, run `savecore -vf vmdump.0 .`.
>
> That will create a unix.0 and vmcore.0 which you can then access with
> mdb by running `mdb 0` in that directory. Note that by using mdb -f,
> you've asked mdb not to interpret the core dump, but rather treat it as
> a raw file which is why the dcmds are not being found.
>
It looks like "`savecore -vf vmdump.0 .`" won't work:
[root@pluto /zones/debug]# ls -la
total 39
drwxr-xr-x 2 root root 2 Jan 26 15:15 .
drwxr-xr-x 16 root root 19 Jan 25 19:21 ..
[root@pluto /zones/debug]# savecore -vf vmdump.0 .
savecore: stat("vmdump.0"): No such file or directory
savecore: open("vmdump.0"): No such file or directory
[root@pluto /zones/debug]# touch vmdump.0
[root@pluto /zones/debug]# savecore -vf vmdump.0 .
savecore: pread: Invalid argument
savecore: pread: Invalid argument
For I cleaned "/zones/debug", it looks I need push server panic again:
[root@pluto /zones/debug]# savecore -v /zones/debug
savecore: dump already processed
Thanks.
Fred
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