md3200 multipath squeeze

M

mamouni

New Member
Sep 23, 2011
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Hi every body,

thas someone succed to install a md3200i with proxmox2 ?
I try now with proxmox2 as debian stop the update for lenny.

To many time to try to connect my hosts (10.04/proxmox1.9/proxmox2) at the md3200 so if someone succed with open-iscsi and multipath on squeeze for a dell storage like the md3200, It will be great.

thanks
 
Not with promxox 2.0, but no problem with 1.9.
And HP P2000 G3 iSCSI (very similar to MD 3220i) causes no trouble with proxmox 2.0 (RC1, waiting end of Q1 for 2.0 release!), multipath working fine.
Both with dual controler, quad ports, 1gbE.

Christophe.
 
can you describe your conf file and different step to install md3200i on proxmox 1.9.

Few months ago i try to install my md3200i on proxmox 1.9 but i never get it working.
 
Thanks for the request, I know now that I can hope something with this think, dell dont creat it just to fall me crazy.
I l appreciate conf file.
I bought the think (md3200) to replace my crossover cable between 2 proxmox1.9 with drbd/heartbeat. this was working fine.

I use 2 vlan on 2 switsh with 3 hosts. I will prepare a step by step post of the installation.

For instance I think the trouble is in the iqn of the hosts, I fix it in /etc/iscsi/initiatorname.isci (InitiatorName=iqn-proxmox1) as in the host in the target when I create the host.

It seems the hosts isn't recognise :

#iscsiadm -m node -p 192.168.49.1 -T iqn.1984-05.com.dell:powervault.md3200i.6782bcb0003dbc53000000004e2f3546 -l

Logging in to [iface: default, target: iqn.1984-05.com.dell:powervault.md3200i.6782bcb0003dbc53000000004e2f3546, portal: 192.168.49.1,3260]
Login to [iface: default, target: iqn.1984-05.com.dell:powervault.md3200i.6782bcb0003dbc53000000004e2f3546, portal: 192.168.49.1,3260]: successful

And then I can see the think

# tail -f /var/log/messages
Mar 8 17:49:54 proxmox2 kernel: scsi 6:0:0:31: Embedded Enclosure Device
Mar 8 17:49:54 proxmox2 kernel: scsi 6:0:0:31: Attached scsi generic sg4 type 0
Mar 8 18:03:46 proxmox2 kernel: connection4:0: detected conn error (1020)
Mar 8 18:03:54 proxmox2 kernel: scsi7 : iSCSI Initiator over TCP/IP
Mar 8 18:03:54 proxmox2 kernel: scsi 7:0:0:0: Direct-Access DELL MD32xxi 0775 PQ: 1 ANSI: 5
Mar 8 18:03:54 proxmox2 kernel: scsi 7:0:0:0: Embedded Enclosure Device
Mar 8 18:03:54 proxmox2 kernel: scsi 7:0:0:0: Attached scsi generic sg3 type 0
Mar 8 18:03:54 proxmox2 kernel: scsi 7:0:0:31: Direct-Access DELL Universal Xport 0775 PQ: 0 ANSI: 5
Mar 8 18:03:54 proxmox2 kernel: scsi 7:0:0:31: Embedded Enclosure Device
Mar 8 18:03:54 proxmox2 kernel: scsi 7:0:0:31: Attached scsi generic sg4 type 0

#dmesg
connection4:0: detected conn error (1020)
scsi7 : iSCSI Initiator over TCP/IP
scsi 7:0:0:0: Direct-Access DELL MD32xxi 0775 PQ: 1 ANSI: 5
scsi 7:0:0:0: Embedded Enclosure Device
scsi 7:0:0:0: Failed to get diagnostic page 0x8000002
scsi 7:0:0:0: Failed to bind enclosure -19
scsi 7:0:0:0: Attached scsi generic sg3 type 0
scsi 7:0:0:31: Direct-Access DELL Universal Xport 0775 PQ: 0 ANSI: 5
scsi 7:0:0:31: Embedded Enclosure Device
scsi 7:0:0:31: Failed to get diagnostic page 0x8000002
scsi 7:0:0:31: Failed to bind enclosure -19
scsi 7:0:0:31: Attached scsi generic sg4 type 0


But no sdc volume.

Did you let the default iqn ? how to fix it as you want ?

thanks
 
multipath -ll returns nothink, il try again monday with another fresh install of proxmox, today I succed with a fresh ubuntu10.04, I can see my 5 volumes, I try to use them with gfs.

Bon WE

Saïd
 
Hi
On proxmox2 it works now from yesterday with the last kernel pve-kernel-2.6.32-10-pve: 2.6.32-63.

But already an error in multipath,

root@proxmox1:~# multipath -ll
mpath0 (36782bcb0003c3f6700000b944f6c3837) dm-3 DELL,MD32xxi
size=1000G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=1 status=enabled
| `- 4:0:0:7 sdb 8:16 active ghost running
|-+- policy='round-robin 0' prio=0 status=enabled
| `- 3:0:0:7 sdc 8:32 active faulty running
|-+- policy='round-robin 0' prio=6 status=enabled
| `- 5:0:0:7 sde 8:64 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
`- 6:0:0:7 sdd 8:48 active ghost running

and /var:og/messages :
Apr 6 11:48:31 proxmox1 kernel: device-mapper: multipath: Failing path 8:32.
Apr 6 11:48:44 proxmox1 kernel: connection1:0: detected conn error (1011)
Apr 6 11:48:57 proxmox1 kernel: connection1:0: detected conn error (1011)
Apr 6 11:49:10 proxmox1 kernel: connection1:0: detected conn error (1011)
Apr 6 11:49:23 proxmox1 kernel: connection1:0: detected conn error (1011)
Apr 6 11:49:23 proxmox1 kernel: sd 3:0:0:7: [sdc] Unhandled error code
Apr 6 11:49:23 proxmox1 kernel: sd 3:0:0:7: [sdc] Result: hostbyte=DID_TRANSPORT_DISRUPTED driverbyte=DRIVER_OK
Apr 6 11:49:23 proxmox1 kernel: sd 3:0:0:7: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
Apr 6 11:49:33 proxmox1 kernel: connection3:0: detected conn error (1011)
Apr 6 11:49:46 proxmox1 kernel: connection3:0: detected conn error (1011)
Apr 6 11:49:46 proxmox1 kernel: device-mapper: multipath: Failing path 8:64.
Apr 6 11:49:59 proxmox1 kernel: connection3:0: detected conn error (1011)
Apr 6 11:50:12 proxmox1 kernel: connection3:0: detected conn error (1011)
Apr 6 11:50:25 proxmox1 kernel: connection3:0: detected conn error (1011)

I use this multipath.conf

defaults {
flush_on_last_del no
user_friendly_names yes
}

blacklist {
device {
vendor Dell.*
product Universal.*
}
device {
vendor Dell.*
product Virtual.*
}
device {
vendor DELL
product RD1000
}
device {
vendor DELL
product "PERC 6/i"
}
# System disk
device {
vendor ATA
product *
}
# System disk
device {
vendor SEAGATE
product *
}
}

devices {
device {
vendor "DELL"
product "MD32xx"
#path_grouping_policy group_by_prio
prio rdac
polling_interval 5
path_checker rdac
path_selector "round-robin 0"
hardware_handler "1 rdac"
failback immediate
#features "2 pg_init_retries 50"
no_path_retry 30
#rr_min_io 100
prio_callout "/sbin/mpath_prio_rdac /dev/%n"
getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
}
}

multipaths {
multipath {
device {
vendor DELL
product MD32xx
}
}
}

Any suggestion ?
thanks
 
Im waiting about 5 minutes.
blkid returns nothing
blkid -o udev -p /dev/dm-3 returne nothing
 
but lshw returns the scsi :

*-scsi:0
physical id: 1
logical name: scsi4
*-disk:0 UNCLAIMED
description: SCSI Disk
product: MD32xxi
vendor: DELL
physical id: 0.0.0
bus info: scsi@4:0.0.0
version: 0780
serial: 15L006M
configuration: ansiversion=5
*-disk:1
description: SCSI Disk
product: MD32xxi
vendor: DELL
physical id: 0.0.7
bus info: scsi@4:0.0.7
logical name: /dev/sdb
version: 0780
serial: 15L006M
size: 1000GiB (1073GB)
capacity: 1000GiB (1073GB)
capabilities: 7200rpm
configuration: ansiversion=5
*-disk:2 UNCLAIMED
description: SCSI Disk
physical id: 0.0.1f
bus info: scsi@4:0.0.31
*-scsi:1
physical id: 2
logical name: scsi3
*-disk:0 UNCLAIMED
description: SCSI Disk
product: MD32xxi
vendor: DELL
physical id: 0.0.0
bus info: scsi@3:0.0.0
version: 0780
serial: 0CH008O
configuration: ansiversion=5
*-disk:1
description: SCSI Disk
physical id: 0.0.7
bus info: scsi@3:0.0.7
logical name: /dev/sdc
size: 1000GiB (1073GB)
*-disk:2 UNCLAIMED
description: SCSI Disk
product: Universal Xport
vendor: DELL
physical id: 0.0.1f
bus info: scsi@3:0.0.31
version: 0780
serial: 0CH008O
configuration: ansiversion=5
*-scsi:2
physical id: 3
logical name: scsi6
*-disk:0 UNCLAIMED
description: SCSI Disk
product: MD32xxi
vendor: DELL
physical id: 0.0.0
bus info: scsi@6:0.0.0
version: 0780
serial: 15L006M
configuration: ansiversion=5
*-disk:1
description: SCSI Disk
product: MD32xxi
vendor: DELL
physical id: 0.0.7
bus info: scsi@6:0.0.7
logical name: /dev/sdd
version: 0780
serial: 15L006M
size: 1000GiB (1073GB)
capacity: 1000GiB (1073GB)
capabilities: 7200rpm
configuration: ansiversion=5
*-disk:2 UNCLAIMED
description: SCSI Disk
product: Universal Xport
vendor: DELL
physical id: 0.0.1f
bus info: scsi@6:0.0.31
version: 0780
serial: 15L006M
capacity: 20MiB (20MB)
capabilities: 7200rpm
configuration: ansiversion=5
*-scsi:3
physical id: 4
logical name: scsi5
*-disk:0 UNCLAIMED
description: SCSI Disk
product: MD32xxi
vendor: DELL
physical id: 0.0.0
bus info: scsi@5:0.0.0
version: 0780
serial: 0CH008O
configuration: ansiversion=5
*-disk:1
description: SCSI Disk
product: MD32xxi
vendor: DELL
physical id: 0.0.7
bus info: scsi@5:0.0.7
logical name: /dev/sde
version: 0780
serial: 0CH008O
size: 1000GiB (1073GB)
capacity: 1000GiB (1073GB)
capabilities: 7200rpm
configuration: ansiversion=5
*-disk:2 UNCLAIMED
description: SCSI Disk
product: Universal Xport
vendor: DELL
physical id: 0.0.1f
bus info: scsi@5:0.0.31
version: 0780
serial: 0CH008O
configuration: ansiversion=5
 
mamouni said:
Im waiting about 5 minutes.
blkid returns nothing
blkid -o udev -p /dev/dm-3 returne nothing
Click to expand...
Hi,
looks like a "dead" disk (from previos testing?).
If you run a "lvs", do you get something like "/dev/dm-X not avaiable"?
Than you can look with "dmsetup info" - the device with the same minor-number is inaccessible and should be removed with "dmsetup remove DEVICE".

If all stalled devices removed, blkid should print the output quite fast.

Udo
 
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