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List: dm-devel
Subject: [dm-devel] Missing path
From: Domenico Viggiani <dviggiani () tiscali ! it>
Date: 2008-03-11 13:53:46
Message-ID: 000501c8837f$53f835c0$cf42e3c1 () pitagora ! it
[Download RAW message or body]
After adding a LUN from a EMC Clariion CX700 to a system with already many
of these, I noticed that multipath doesn't see a path:
360060160eb241700284f88a159efdc11
[size=450 GB][features="1 queue_if_no_path"][hwhandler="1 emc"]
\_ round-robin 0 [prio=1][enabled]
\_ 1:0:0:70 sdbo 68:32 [active][ready]
\_ round-robin 0 [enabled]
\_ 0:0:3:70 sdbn 68:16 [active][ready]
\_ 1:0:1:70 sdbp 68:48 [active][ready]
>From SCSI layer, it is OK:
Host: scsi0 Channel: 00 Id: 02 Lun: 70
Vendor: DGC Model: RAID 5 Rev: 0219
Type: Direct-Access ANSI SCSI revision: 04
Host: scsi0 Channel: 00 Id: 03 Lun: 70
Vendor: DGC Model: RAID 5 Rev: 0219
Type: Direct-Access ANSI SCSI revision: 04
Host: scsi1 Channel: 00 Id: 00 Lun: 70
Vendor: DGC Model: RAID 5 Rev: 0219
Type: Direct-Access ANSI SCSI revision: 04
Host: scsi1 Channel: 00 Id: 01 Lun: 70
Vendor: DGC Model: RAID 5 Rev: 0219
Type: Direct-Access ANSI SCSI revision: 04
but one device is missing under /dev:
brw-rw---- 1 root disk 68, 16 Mar 11 14:44 /dev/sdbn
brw-rw---- 1 root disk 68, 32 Mar 11 14:45 /dev/sdbo
brw-rw---- 1 root disk 68, 48 Mar 11 14:45 /dev/sdbp
How can I fix this?
Thanks in advance
--
Domenico Viggiani
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