> > Hi Venkat
> >
> > the sczbt does not do anything with the zfs file
> systems.
>
> Hi Detlef,
>
> Who will mount the root file system for the sczbt?
> The root file system is a
> egacy file system and will *not* get mounted
> automatically during the pool import.
>
> > The only way
> > you got something in between is if the shutdown of
> the zone or the
> > zoneadm halt itself is performing the umounts, and
> messing up with HASP
> > because due to a misconfiguration they try to
> access the same file systems.
>
> I know the zoneadm halt is synchronous in the sense
> all the file system under
> its root are unmounted.
> Here the issue with the file system that is served as
> root for the zone. I
> think the zoneadm will not unmount the root file
> system during zone halt.
>
> So we need to figure who is issuing the zfs unmount
> on root file system of zone.
>
> Tundra,
> Can you track who forked the zfs executable during
> switchover? I think you can
> add "ppid" to your script to get that information.
>
> Thanks
> -Venku
I'm going to need some help constructing my DTrace script - as I mentioned,
this is my first stab at using DTrace, so I'm not really sure what I'm doing
with it.
I added ppid and a section trying to look at who is starting the various
programs in the log, but I'm missing something because I'm not seeing what
program does the exec to start zfs
----Start of REVISED umount2.d----
#!/usr/sbin/dtrace -qs
string started_program;
syscall::umount2:entry
{
printf("time:%d\t", timestamp);
printf("umount2-execname:%s\t",execname);
printf("mountpoint:%s\t", copyinstr(arg0, 240));
printf("flag:%d\t", arg1);
printf("PID:%d\t", pid);
printf("ParentPID:%d\t", ppid);
printf("\n");
}
syscall::umount2:return
{
printf("time:%d\t", timestamp);
printf("umount2-execname:%s\t",execname);
printf("return arg0:%d\t", arg0);
printf("PID:%d\t", pid);
printf("ParentPID:%d\t", ppid);
printf("\n");
}
syscall::exec*:entry
/ ((this->started_program = copyinstr(arg0, 240)) == "/usr/sbin/zfs") ||
(this->started_program == "/usr/sbin/zoneadm") ||
(this->started_program ==
"/usr/cluster/lib/rgm/rt/hastorageplus/hastorageplus_postnet_stop") /
{
printf("time:%d\t", timestamp);
printf("exec-execname:%s\t",execname);
printf("target:%s\t", this->started_program);
printf("PID:%d\t", pid);
printf("ParentPID:%d\t", ppid);
printf("\n");
}
----End of REVISED umount2.d----
Including just a failure log (sorted by timestamp this time):
time:149397254739288 exec-execname:ksh93 target:/usr/sbin/zoneadm
PID:20739 ParentPID:20738
time:149399316859412 umount2-execname:syslogd
mountpoint:/var/run/syslog_door flag:0 PID:6203 ParentPID:1
time:149399320588962 umount2-execname:syslogd return arg0:0
PID:6203 ParentPID:1
time:149401287339095 exec-execname:ksh93 target:/usr/sbin/zoneadm
PID:20761 ParentPID:20760
time:149401849838885 umount2-execname:umount mountpoint:/net flag:0
PID:20771 ParentPID:20769
time:149401849851517 umount2-execname:umount mountpoint:/home flag:0
PID:20770 ParentPID:20769
time:149401854276539 umount2-execname:umount return arg0:0 PID:20771
ParentPID:20769
time:149401855233193 umount2-execname:umount return arg0:0 PID:20770
ParentPID:20769
time:149403874891784 umount2-execname:kcfd
mountpoint:/etc/svc/volatile/kcfd_door flag:0 PID:6033 ParentPID:1
time:149403878544282 umount2-execname:kcfd return arg0:0 PID:6033
ParentPID:1
time:149405336848083 exec-execname:ksh93 target:/usr/sbin/zoneadm
PID:20803 ParentPID:20802
time:149408984278615 umount2-execname:umount mountpoint:/lib/libc.so.1
flag:0 PID:20820 ParentPID:20816
time:149408987598301 umount2-execname:umount return arg0:0 PID:20820
ParentPID:20816
time:149409366863004 exec-execname:ksh93 target:/usr/sbin/zoneadm
PID:20824 ParentPID:20823
time:149409783190659 umount2-execname:umount mountpoint:/usr flag:0
PID:20822 ParentPID:6009
time:149409783205794 umount2-execname:umount return arg0:-1 PID:20822
ParentPID:6009
time:149409783213983 umount2-execname:umount mountpoint:/usr flag:0
PID:20822 ParentPID:6009
time:149409783221259 umount2-execname:umount return arg0:-1 PID:20822
ParentPID:6009
time:149410978263254 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/var/run/name_service_door flag:0
PID:5912 ParentPID:1
time:149410981769515 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149410981786802 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/var/run/ldap_cache_door flag:0
PID:5912 ParentPID:1
time:149410984764114 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149410984777791 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/var/run flag:0 PID:5912
ParentPID:1
time:149410987662969 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149410987676059 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/tmp flag:0 PID:5912
ParentPID:1
time:149410991645538 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149410991782208 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/dev/fd flag:0 PID:5912
ParentPID:1
time:149410995432606 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149410995448600 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/etc/svc/volatile/repository_door flag:0
PID:5912 ParentPID:1
time:149410998128183 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149410998139957 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/etc/svc/volatile flag:0 PID:5912
ParentPID:1
time:149411061062182 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149411061075332 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/system/object flag:0 PID:5912
ParentPID:1
time:149411064447190 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149411064459497 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/etc/mnttab flag:0 PID:5912
ParentPID:1
time:149411067241134 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149411067254056 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/system/contract flag:0 PID:5912
ParentPID:1
time:149411069896411 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149411069908796 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/proc flag:0 PID:5912
ParentPID:1
time:149411072487502 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149411072498136 umount2-execname:zoneadmd
mountpoint:/smb1_pool0/smb1_zone/root/dev flag:0 PID:5912
ParentPID:1
time:149411075107425 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
time:149411247661511 umount2-execname:zfs
mountpoint:/smb1_pool0/smb1_zone/root flag:0 PID:20852 ParentPID:20839
time:149413397362598 exec-execname:ksh93 target:/usr/sbin/zoneadm
PID:20854 ParentPID:20853
time:149414579775231 exec-execname:rpc.fed
target:/usr/cluster/lib/rgm/rt/hastorageplus/hastorageplus_postnet_stop
PID:20865 ParentPID:1124
time:149414774330381 umount2-execname:hastorageplus_po
mountpoint:/smb1_pool0/smb1_zone/root flag:1024 PID:20865
ParentPID:1124
time:149419071388363 umount2-execname:zfs return arg0:0 PID:20852
ParentPID:20839
time:149419071421905 umount2-execname:hastorageplus_po return arg0:-1
PID:20865 ParentPID:1124
time:149419144959694 umount2-execname:zoneadmd
mountpoint:/var/run/zones/smb1.zoneadmd_door flag:0 PID:5912
ParentPID:1
time:149419148960818 umount2-execname:zoneadmd return arg0:0
PID:5912 ParentPID:1
--
This message posted from opensolaris.org
