dump-vol-has-label.txt

[root@headnode ~]# dumpadm -y -d /dev/zvol/dsk/zones/dump
Assertion failed: nvlist_lookup_uint64(config, "guid", &vdev_guid) == 0, file ..
NOTICE: alloc: /: file system full
Abort
[root@headnode ~]# dd if=/dev/zero of=/dev/zvol/dsk/zones/dump bs=1k count=256
256+0 records in
256+0 records out
262144 bytes transferred in 0.113012 secs (2319604 bytes/sec)
[root@headnode ~]# dumpadm -y -d /dev/zvol/dsk/zones/dump
dumpadm: cannot use /dev/zvol/dsk/zones/dump as dump device: I/O error
[root@headnode ~]# rm core
[root@headnode ~]# dumpadm -y -d /dev/zvol/dsk/zones/dump
      Dump content: kernel pages
       Dump device: /dev/zvol/dsk/zones/dump (dedicated)
Savecore directory: /var/crash/volatile
  Savecore enabled: yes
   Save compressed: on
[root@headnode ~]# dumpadm -d none
      Dump content: kernel pages
       Dump device: none (swap)
Savecore directory: /var/crash/volatile
  Savecore enabled: yes
   Save compressed: on
[root@headnode ~]# zfs list -t all | grep dump
zones/dump               260G  7.17T    13K  -
zones/dump@maybe-zpool   128G      -   128G  -
[root@headnode ~]# zfs rollback zones/dump@maybe-zpool
[root@headnode ~]# dumpadm -y -d /dev/zvol/dsk/zones/dump
Assertion failed: nvlist_lookup_uint64(config, "guid", &vdev_guid) == 0, file ..
NOTICE: alloc: /: file system full
Abort
[root@headnode ~]# rm core
[root@headnode ~]# dd if=/dev/zero of=/dev/zvol/dsk/zones/dump bs=1k count=256
256+0 records in
256+0 records out
262144 bytes transferred in 0.062601 secs (4187506 bytes/sec)
[root@headnode ~]# dumpadm -y -d /dev/zvol/dsk/zones/dump
dumpadm: cannot use /dev/zvol/dsk/zones/dump as dump device: I/O error
[root@headnode ~]# dumpadm -y -d /dev/zvol/dsk/zones/dump
      Dump content: kernel pages
       Dump device: /dev/zvol/dsk/zones/dump (dedicated)
Savecore directory: /var/crash/volatile
  Savecore enabled: yes
   Save compressed: on
[root@headnode ~]#