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2answers
2k views

MultiPath configuration on RHEL5 and Clariion CX-300

I have problem with discovering my FC-connected CX-300 storage. Frankly speaking I'm complete novice in FibreChannel, so step by step explanation would be appreciated. My configuration consist of two ...
2
votes
1answer
178 views

How to configure multipath using Intel X520-SR2 10GB on Oracle Linux 6.2?

I've installed the Intel x520-sr2 Ethernet/Fibre card into a server that has Oracle Linux 6.2 Installed on it. When I boot the server I can go into a QLogic menu (screen has something for Intel on ...
2
votes
1answer
844 views

why does my lvm2 volume group only work with multipath device mapper and not powerpath

my server is Oracle Enterprise Linux 5.4 (RHEL5) on an hp blade (x64) with qlogic HBAs connected to an EMC clariion SAN. we are migrating from multipath to powerpath because emc and the company ...
2
votes
1answer
246 views

iSCSI aggregation using one switch

Thinking of doing 2Gb aggregated iSCSI between a VM Host and a multi controller iSCSI array. Multipath with two switches is normal for this, but I only have one switch at the moment. But the switch is ...
1
vote
1answer
33 views

9211-8i HBA (IT mode) with Supermicro expander

I have managed to get things to a point that I see all my drives listed with "multipath -l". Now the question is how to add them to a ZFS zpool? All attempts at using dm* naming or /dev/mapper names ...
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1answer
23 views

New lun doesnt work well

Actually we have a server with Oracle Linux 5.8 in which we present clones of production LUN and then we open a clone of the database for several querys. The problem begin when we execute this ...
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0answers
241 views

How to install Ubuntu Server on SAN Storage with Multipath?

I have HP ProLiant BL35p blades and I want to install Ubuntu Server 12.x on them in order to do virtualization with OpenStack. The storage is made of HP StorageWorks SAN, which is connected to the ...
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0answers
449 views

Newly Resized Luns not Showing correct LUN Size RHel 5.3

My linux servers are not showing their newly resized fibre Luns after being extended on the fly(online).the storage guys have successfully resized the LUNS from 1Tb to 2 Tb .We are running fibre SAN ...
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0answers
29 views

Ubuntu 12.04 multipath boot device with LVM

I'm bootstrapping Ubuntu nodes using cobbler, with a predefined preseed. Due to a bug in Ubuntu: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/959749 it doesn't work too well to install on a ...
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0answers
91 views

Setting up iscsi and determining the scsi ID for multipath

Is there another way to determine the SCSI ID when trying to setup the friendly name in multipath.conf? I executed the command multipath –ll –v2 and didn’t see the new slice we had setup (after ...
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0answers
96 views

multipathd start: error starting uevent listener

How resolve problem: multipathd start error starting uevent listener C01-OraDB-02:~ # multipath -ll 3600a0b80006e6a66000040a95066a18b dm-2 IBM,1818 FAStT [size=100G][features=0][hwhandler=0] \_ ...