Questions tagged [lun]
The lun tag has no usage guidance.
14
questions with no upvoted or accepted answers
2
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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 ...
1
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0
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57
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Physical Volume Actual Utilization for replacement
I have a Volume Group which consist two physical volume of size 10TB each SSD & NLSAS (yes one very slow and other very fast) so total 20TB.
I created Volume backupvg with the 10TB SSD & ...
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0
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297
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Confused about whether my iSCSI share is available/how to make it so
I am attempting to set up iSCSI with a virtual machine as the initiator and the host as the target. I was looking at these instructions, among others: https://www.tecmint.com/setup-iscsi-target-and-...
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LUN doesn't mount after reboot
After changing the size of a LUN (grow) on a RHEL 6 System, the LUN/LV (which is part of a Volume Group) does not mount after a reboot anymore.
I have to execute
vgchange -a y
And after that i can ...
1
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1
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57
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Multipath Drive Association
So i have an issue were the drive mappings for the servers will not line up even though the configs for them match exactly.. The main problem is the path for the drives keeps switching.
foo# ...
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232
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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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0
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541
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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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651
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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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2
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357
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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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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 ...
0
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1
answer
28
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Remove bunch of disconnected LUNs by shell script (regex issue)
Have a problem with my script, don't want to run same procedure 200 times with changing LUN number.
Remove the multipath device from ALL paths to the LUN, run echo 1 > /sys/bus/scsi/devices/${H:B:T:...
0
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1
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890
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Clean LUN on HP MSA P2000 G3
I am trying to deploy a self-host oVirt Engine on a SAN HP MSA P2000 G3 LUN. I created a Vdisk and a volume via the Storage Management Utility (SAN GUI). The volume is already containing data because ...
0
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1
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211
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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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1
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991
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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 ...