Recreate pool problem on a 7110 Sun Storage

Hi,
we have a Sun 7110 that runs mostly well, except when the iscsi volume fills up, the volume stop, and we have to drop it and recreate it. 3 weeks ago, to counter that, I switched on dedup and compression. No idea if it is a good or bad idea, but because we got lots of i/o hanging on the volume :
- we tried to drop again the volume via the web interface.
- after destroying it, impossible to recreate it, so we switch to the shell to see what's going on. In fact all space was filled up into the "zombie" share (pool-0/???/zombie). No idea what it is, because we never got snapshots. And the cpu was still in the roof like it was still compressing, deduplicating or what...
- we decided to connect to destroy the whole pool (with difficulty), and the CPU stop working as crazy
Now impossible to recreate it via the web interface.
- i can create the pool with zpool and create volume with zfs but they don't show up in the interface
- if we destroy again and try to create it in the web interface, we have of course no pool in the "Available pool", so I try to create it BUT i can't:
Model     Sun Storage 7110
Data Devices     -
Log Devices     -
Cache Devices     -
as is there weren't any disks!
I checked : the disks are ok from the OS point of view (/var/ak/logs/debug.sys doesn't complain for example, except for a spare disk that I labeled back)
Any idea how to "reset" the storage pool?
Do I must go through the "factory reset" (I'm not even sure it can help).
Or should I forgot Sun/oracle appliance kit, and install freenas instead? :-)
Any help will be appreciate (or similar concerns :-) )
Nicolas Zin

I answer to myself:
factory reset solved the problem.
Dawn box!

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Thank you,
RK

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0b:00.1 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)
0e:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)
0e:00.1 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)
I've made sure the DM modules were loaded at boot:
dm_multipath
58713 0
scsi_dh
42561 1 dm_multipath
dm_raid45
99785 0
dm_message
36289 1 dm_raid45
dm_region_hash
46145 1 dm_raid45
dm_mem_cache
38977 1 dm_raid45
dm_snapshot
52233 0
dm_zero
35265 0
dm_mirror
54737 0
dm_log
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dm_mod
102289 15 dm_multipath,dm_raid45,dm_snapshot,dm_zero,dm_mirror,dm_log
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Made sure we had a device section under multipath.conf:
device {
vendor "SUN"
product "Sun Storage 7420"
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout "/sbin/mpath_prio_alua /dev/%n"
hardware_handler "0"
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failback immediate
no_path_retry queue
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path_checker tur
rr_weight uniform
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# echo "1" > /sys/class/fc_host/host3/issue_lip
# echo "1" > /sys/class/fc_host/host4/issue_lip
# echo "1" > /sys/class/fc_host/host5/issue_lip
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Checked to see if /proc/scsi/scsi has updated:
Attached devices:
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I've also reviewed the output from fdisk -l:
# fdisk -l | grep Disk
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1 doesn't contain a valid partition table
Disk /dev/dm-2 doesn't contain a valid partition table
Disk /dev/dm-3 doesn't contain a valid partition table
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Disk /dev/dm-0: 32.2 GB, 32212254720 bytes
Disk /dev/dm-1: 14.6 GB, 14696841216 bytes
Disk /dev/dm-2: 21.4 GB, 21474836480 bytes
Disk /dev/dm-3: 161.0 GB, 161061273600 bytes
I am really unsure where else to look at getting this functional again...
Thank you,
RK

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