Re: [zones-discuss] zone filesystems not mounting
In message <5022a3bf.3080...@oracle.com>, Mike Gerdts writes: >Do you say race condition because you had something else (find, backups, etc.) > >that was crawling /tmp at the same time? Or is there something in Solaris th >at >you are saying raced against this temporary mount? How would things be >different if we chose any other location for temporary mounts? Nothing from cron, but I seem to have svcs that are probably extraneous for a server running in global that I should disable. >This looks to be part of the attach path that is looking for the Solaris 11 >Express dataset layout. See migrate_export in >/usr/lib/brand/shared/common.ksh. The mount point is chosen with "mktemp -d". > >Note that this is a private implementation detail that you happen to be able t >o >see because it is written in ksh. It may change at any time (sru, update, >release) without notice. I guess I'm going to have add a fuser and ps. It happens so rarely that I'm hesitant to do much instrumenting. John groenv...@acm.org ___ zones-discuss mailing list zones-discuss@opensolaris.org
Re: [zones-discuss] zone filesystems not mounting
On 08/08/12 10:56, John D Groenveld wrote: This morning's "zoneadm -z search-1 attach -F" and boot tripped over a funky mount: [Wednesday, August 8, 2012 10:56:46 AM EDT] Mounting rpool/var/zones/search-1/rpool/export at /tmp/tmp.zxa40u/export with ZFS temporary mount [Wednesday, August 8, 2012 10:56:46 AM EDT] Mounting rpool/var/zones/search-1/rpool/export/home at /tmp/tmp.zxa40u/export/home with ZFS temporary mount cannot unmount '/tmp/tmp.zxa40u/export/home': Device busy cannot unmount '/tmp/tmp.zxa40u/export': Device busy rmdir: directory "/tmp/tmp.zxa40u": Directory not empty [Wednesday, August 8, 2012 10:56:47 AM EDT] Manual migration of export required. Potential conflicts in /var/opt/zones/search-1/root/export and rpool/var/zones/search-1/rpool/export. [Wednesday, August 8, 2012 10:56:47 AM EDT] Zone BE root dataset: rpool/var/zones/search-1/rpool/ROOT/solaris-4 [Wednesday, August 8, 2012 10:56:47 AM EDT] Cache: Using /var/pkg/publisher. Haven't seen this race condition in several months of daily zone detach/attach's. My other zones came up cleanly. Do you say race condition because you had something else (find, backups, etc.) that was crawling /tmp at the same time? Or is there something in Solaris that you are saying raced against this temporary mount? How would things be different if we chose any other location for temporary mounts? I'm running Solaris 11 SRU 8.5. The work-around was to halt the zone, detach, zfs umount rpool/var/zones/search-1/rpool/export/home and rpool/var/zones/search-1/rpool/export, attach and boot. Where in the zone machinery does the code set the zone mountpoints to global's TMPDIR? This looks to be part of the attach path that is looking for the Solaris 11 Express dataset layout. See migrate_export in /usr/lib/brand/shared/common.ksh. The mount point is chosen with "mktemp -d". Note that this is a private implementation detail that you happen to be able to see because it is written in ksh. It may change at any time (sru, update, release) without notice. -- Mike Gerdts Solaris Core OS / Zones http://blogs.oracle.com/zoneszone/ ___ zones-discuss mailing list zones-discuss@opensolaris.org
[zones-discuss] zone filesystems not mounting
This morning's "zoneadm -z search-1 attach -F" and boot tripped over a funky mount: [Wednesday, August 8, 2012 10:56:46 AM EDT] Mounting rpool/var/zones/search-1/rpool/export at /tmp/tmp.zxa40u/export with ZFS temporary mount [Wednesday, August 8, 2012 10:56:46 AM EDT] Mounting rpool/var/zones/search-1/rpool/export/home at /tmp/tmp.zxa40u/export/home with ZFS temporary mount cannot unmount '/tmp/tmp.zxa40u/export/home': Device busy cannot unmount '/tmp/tmp.zxa40u/export': Device busy rmdir: directory "/tmp/tmp.zxa40u": Directory not empty [Wednesday, August 8, 2012 10:56:47 AM EDT] Manual migration of export required. Potential conflicts in /var/opt/zones/search-1/root/export and rpool/var/zones/search-1/rpool/export. [Wednesday, August 8, 2012 10:56:47 AM EDT] Zone BE root dataset: rpool/var/zones/search-1/rpool/ROOT/solaris-4 [Wednesday, August 8, 2012 10:56:47 AM EDT] Cache: Using /var/pkg/publisher. Haven't seen this race condition in several months of daily zone detach/attach's. My other zones came up cleanly. I'm running Solaris 11 SRU 8.5. The work-around was to halt the zone, detach, zfs umount rpool/var/zones/search-1/rpool/export/home and rpool/var/zones/search-1/rpool/export, attach and boot. Where in the zone machinery does the code set the zone mountpoints to global's TMPDIR? John groenv...@acm.org ___ zones-discuss mailing list zones-discuss@opensolaris.org
