Hi all,
I’ve run into some unpredictable behavior attaching volumes to instances, I can mount volumes sometimes, whilst other times status remains “attaching” and my compute node dies. Anyone run into this issue? Environment: nova01 – cloud controller (compute disabled) - Ubuntu 12.04 (latest packages) 64bit · - All-in-one OpenStack installation · - tgt ISCSI · - nova-volume – 3.6TB free · - nova.conf can be found: http://paste.openstack.org/show/16022/ nova03 - compute node · - Ubuntu 12.04 (latest packages) 64bit · - nova-api, nova-network, nova-compute · - tgt ISCSI · nova.conf can be found here http://paste.openstack.org/show/16021/ Steps: nova volume-list +----+--------+--------------+------+-------------+-------------+ | ID | Status | Display Name | Size | Volume Type | Attached to | +----+--------+--------------+------+-------------+-------------+ +----+--------+--------------+------+-------------+-------------+ nova volume-create --display_name "ext_vol01" 1 nova volume-list +----+-----------+--------------+------+-------------+-------------+ | ID | Status | Display Name | Size | Volume Type | Attached to | +----+-----------+--------------+------+-------------+-------------+ | 37 | available | ext_vol01 | 1 | None | | +----+-----------+--------------+------+-------------+-------------+ nova volume-attach 5d91ed13-f88f-4ff0-aca4-f1cd3910256f 37 /dev/vdf nova volume-list +----+-----------+--------------+------+-------------+-------------+ | ID | Status | Display Name | Size | Volume Type | Attached to | +----+-----------+--------------+------+-------------+-------------+ | 37 | attaching | ext_vol01 | 1 | None | | +----+-----------+--------------+------+-------------+-------------+ At this point the volume status remains “attaching” and the nova03 compute node has crashed. nova-compute nova03 nova enabled XXX 2012-05-07 19:53:30 nova01 nova-volume.log http://paste.openstack.org/show/16016/ nova03 nova-compute.log attached here http://paste.openstack.org/show/16023/ iscsi log: May 7 16:53:32 nova03 kernel: [174620.293534] scsi14 : iSCSI Initiator over TCP/IP May 7 16:53:32 nova03 kernel: [174620.550104] scsi 14:0:0:0: RAID IET Controller 0001 PQ: 0 ANSI: 5 May 7 16:53:32 nova03 kernel: [174620.550404] scsi 14:0:0:0: Attached scsi generic sg3 type 12 May 7 16:53:32 nova03 kernel: [174620.551557] scsi 14:0:0:1: Direct-Access IET VIRTUAL-DISK 0001 PQ: 0 ANSI: 5 May 7 16:53:32 nova03 kernel: [174620.551838] sd 14:0:0:1: Attached scsi generic sg4 type 0 May 7 16:53:32 nova03 kernel: [174620.552938] sd 14:0:0:1: [sdc] 2097152 512-byte logical blocks: (1.07 GB/1.00 GiB) May 7 16:53:32 nova03 kernel: [174620.553670] sd 14:0:0:1: [sdc] Write Protect is off May 7 16:53:32 nova03 kernel: [174620.553674] sd 14:0:0:1: [sdc] Mode Sense: 49 00 00 08 May 7 16:53:32 nova03 kernel: [174620.554226] sd 14:0:0:1: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA May 7 16:53:32 nova03 kernel: [174620.573890] sdc: unknown partition table May 7 16:53:32 nova03 kernel: [174620.576741] sd 14:0:0:1: [sdc] Attached SCSI disk May 7 16:53:33 nova03 iscsid: connection6:0 is operational now iscsiadm -m session -P 1 Target: iqn.2010-10.org.openstack:volume-00000025 Current Portal: XXX.XXX.XXX.XXX:3260,1 Persistent Portal: XXX.XXX.XXX.XX:3260,1 ********** Interface: ********** Iface Name: default Iface Transport: tcp Iface Initiatorname: iqn.1993-08.org.debian:01:60b3be5e19c Iface IPaddress: 200.143.189.12 Iface HWaddress: (null) Iface Netdev: (null) SID: 6 iSCSI Connection State: LOGGED IN iSCSI Session State: LOGGED_IN Internal iscsid Session State: NO CHANGE Cheers, -- _rob
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