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2answers
203 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
49 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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1answer
388 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
31 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
43 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
157 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 ...
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0answers
268 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
13 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 ...
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0answers
59 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 ...
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0answers
54 views

Spanned datastore - Is there way to find out on which specific LUN(s) resides flat .vmdk file?

vSphere SDK guide tells that: "If any of the LUNs within a VMFS volume fails or becomes unavailable, only virtual machines with data on that LUN are affected. All other virtual machines with virtual ...
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0answers
38 views

Automatically creats vmdk files

I am using Symantec Backup Exec.I noticed that there is creating vmdk files of server's on different LUNs.But size of these vmdk files dont match with the real disk size of working virtual ...