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2answers
224 views

LUN device file names mixed

The following listings are from a Linux RHEL box. I'm a bit confused over the following inconsistencies. Here we have aliases defined for each LUN in multipath bindings file: mpath0 ...
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1answer
59 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 ...
0
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1answer
430 views

How to delete a file in a LUN that gives an error?

I have a 1.5GB LUN, on a QNAP NAS. The LUN is attached to a W2K3, and has some folders shared on it. On one sub-folder there is a specific file, that is corrupted. I need to delete it, but I can't ...
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0answers
111 views

NPIV Fibre Channel how to make vHBA scsi_hostX persistent after reboot and libvirt

I'm using QLogic 8GB Fibre Channel HBA which has NPIV with CentOS6.5 I created the LUN on the SAN and did the zoning for the virtual WWPN. In CentOS I do the following to create a virtual HBA: echo ...
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0answers
34 views

Optimum LUN size for LVM created NFS share

I have access to roughly 80 TB of capacity via a SAN, which I want to set up as as 2 NFS shares: 1 share of 70 TB and 1 share of 10 TB. The 10 TB share will have full backup to tape, whereas the 70 TB ...
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0answers
57 views

Does a dead LUN path cause an increase in I/O times on the remaining LUN path(s)?

We use an EMC SAN appliance. There are 2 'paths' from the cluster to the SAN. Today we experienced that one of the LUN paths was 'dead' (as reported in the windows event logs). Presumably the ...
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0answers
188 views

Presented LUN displaying 3 disks after fdisk -l

All, I appreciate in advance any useful responses to the following: One (1) 800GB LUN from external SAN was presented to 4 RHL servers (2.6.9-78.0.8 x86_64) Initial < fdisk -l > before reboot ...
1
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0answers
318 views

LUNs disappear after rebooting the ESX/ESXi host

A single LUN among from a group disappeared following the ESXI host restart. Neither the host nor the Vcenter can see it. I have four virtual machines on the LUN hiden now showing just unknown from ...
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0answers
12 views

How to install Debian wheezy on a multipathed Device

I wanted to know how to install the Debian on Multipathed Luns since i did not found any complete Instructions I like to share my way to do it. Press TAB to enter additional settings. Type at the ...
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0answers
35 views

VDI LUN and RAID Group design optimization

I have a shared storage SAN for our VDI environment that was configured in a specific way by a third party and I was wondering what (if any) was the benefit of the design. The SAN is divided into ...
0
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0answers
105 views

Can't see the LUNs: FCoE and VMware inititator using intel CNA X520

I am using two x520 Intel CNA to create VN2VN FCoE connection. ON the target side I have created the FCoE interfaces on my CNA port and I have created LUNs. I am using Linux as a target with kernel ...