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missing (but working) iscsi storage from one node, or the other... ?!?

following the problem reported here http://forum.proxmox.com/threads/167...notice-remount
now I have a really strange problem...

recap: 2 nodes cluster, both 3.1-21/93bf03d4 (on lan)
cluster storage: nfs and lvm/scsi shares, both on two different nas (on lan), nasA and nasB

in the post cited above, I had some trouble after changing one the ip address of one nas (nasB).

now it's all fine, nfs share work, ~20 running vm (kvm, storage lvm/scsi on nasA) and a few ct (openvz, storage nfs on nasA)

except: since yesterday, on one node or the other, or both (it changed a few times)
it seems pve can't acknowledge nasA iscsi "link", named "vm_work"

atm I have:

on /etc/pve/storage.cfg (both nodes)
Code:

pve1
iscsi: vm_work
        target iqn.2004-04.com.qnap:ts-809u:iscsi.pve2.c0a765
        portal 192.168.3.30
        content none

pve2
iscsi: vm_work
        target iqn.2004-04.com.qnap:ts-809u:iscsi.pve2.c0a765
        portal 192.168.3.30
        content none

pvesm status reports

Code:

pve1:~# pvesm status
iso_qnap          nfs 1    10084223488      5297144064      4787079424 53.03%
local            dir 1        34116380        1263760        32852620 4.20%
pve_ts879        nfs 1    11619394112      1497403200    10121204480 13.39%
ts879            nfs 1    11619394112      1497403200    10121204480 13.39%
vm_disks          lvm 1      1048571904              0      409796608 0.50%
vm_disks_ts879    lvm 1      1048571904              0      1048571904 0.50%
vm_ts879        iscsi 1              0              0              0 100.00%
vm_work        iscsi 1              0              0              0 100.00%

pve2:~# pvesm status
iso_qnap          nfs 1    10084223488      5297144064      4787079424 53.03%
local            dir 1        34116380        28047268        6069112 82.71%
pve_ts879        nfs 1    11619394112      1497403200    10121204480 13.39%
ts879            nfs 1    11619394112      1497403200    10121204480 13.39%
vm_disks          lvm 1      1048571904              0      409796608 0.50%
vm_disks_ts879    lvm 1      1048571904              0      1048571904 0.50%
vm_ts879        iscsi 1              0              0              0 100.00%
vm_work        iscsi 1              0              0              0 100.00%

and pvesm iscsiscan -portal 192.168.3.30
Code:

pve1:~# pvesm iscsiscan -portal 192.168.3.30
iqn.2004-04.com.qnap:ts-809u:iscsi.pve.c0a765              192.168.3.30:3260
iqn.2004-04.com.qnap:ts-809u:iscsi.pve2.c0a765             192.168.3.30:3260
iqn.2004-04.com.qnap:ts-809u:iscsi.landrives.c0a765        192.168.3.30:3260
iqn.2004-04.com.qnap:ts-809u:iscsi.pvelvmtest.c0a765      192.168.3.30:3260
iqn.2004-04.com.qnap:ts-809u:iscsi.hpopenviewdisk01.c0a765 192.168.3.30:3260

pve2:~#  pvesm iscsiscan -portal 192.168.3.30
iqn.2004-04.com.qnap:ts-809u:iscsi.pve.c0a765              192.168.3.30:3260
iqn.2004-04.com.qnap:ts-809u:iscsi.pve2.c0a765             192.168.3.30:3260
iqn.2004-04.com.qnap:ts-809u:iscsi.landrives.c0a765        192.168.3.30:3260
iqn.2004-04.com.qnap:ts-809u:iscsi.pvelvmtest.c0a765      192.168.3.30:3260
iqn.2004-04.com.qnap:ts-809u:iscsi.hpopenviewdisk01.c0a765 192.168.3.30:3260

but pvesm list vm_work:
Code:

pve1:~# pvesm list vm_work
vm_work:0.0.0.scsi-36001405ed36201adab64d4b0ad8e4cd2  raw 1073741824000

pve2:~# pvesm list vm_work
(no output)

at first this "pvesm list vm_work" with no output happened on node pve2, so
- I migrated all vms/cts to pve1,
- rebooted pve2, and then
- "pvesm list vm_work" on pve2 gave output,
- but on pve1 now "pvesm list vm_work" had no more output

- I migrated all vms/cts to pve2,
- rebooted pve1, and then
- "pvesm list vm_work" on pve1 gave output,
- but on pve2 now "pvesm list vm_work" had no more output

...? what is happening here, how to fix this...?

Marco

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