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0answers
20 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 ...
0
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3answers
57 views

How to share a fibre channel filesystem between 2 hosts?

I have 2 hosts in isolated networks (no network access from one to another). There is a storage system accessible over fibre channel from both hosts. Is it possible to have both hosts have a safe ...
0
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0answers
35 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 ...
0
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1answer
33 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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2answers
78 views

Sharing a SAN LUN across 2 clients

I have an ISCSI SAN that we purchased to store images for our cluster (2TB of images). After reading, we probably should have gone with a NAS rather than a SAN, but back to the point. I'm going to ...
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1answer
34 views

Delete unwanted file from a LUN [closed]

I have a SAN environment with LUNs used only for saving documents (. doc, jpg, mp3, xls etc.). I would like to know the best way to delete from these LUN to temporary file word, file thumb, ~ tmp, ...
2
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2answers
409 views

iSCSI: LUNs per target?

My question relates specifically to ZFS/COMSTAR but I assume is generally applicable to any iSCSI system: Should one prefer to create a target for every LUN that you want to expose? Or is it good ...
1
vote
1answer
165 views

Clariion CX300: Removing system disks from a RAID group?

I have a raid group that includes every disk my DPE2. I want to remove the system disks (0-4) from this RAID group. From what I read I should i put them in their own RAID group and avoid storing ...
0
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1answer
141 views

LUN storage disk in 2 servers, can't see the files

I have one LUN disk connected over FC with linux server ( with centos) and esxi server with VM in Centos. (Two machines work in different LAN's.) In both machines i see this disk. In VM i created the ...
2
votes
1answer
173 views

SAN: is it better to have separate LUNs for operating system and data of virtual machines? [closed]

We have an iSCSI SAN that will be used as backing store for virtual machines. We use Xen and will directly present the LUNs as block devices of VMs (so there is no file system with files on it for ...
1
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0answers
84 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 ...
2
votes
2answers
454 views

How do you remove attached FC LUNS from CentOS 6?

We have a Qlogic QLE2560 HBA running on a Centos 6 server. I am needing to remove the attached LUNS remotely. I do not have any software from qlogic installed on the device. Their are 2 LUNS ...
3
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1answer
1k views

Considerations for spanned volumes with SAN's LUN.

I want to know, before going forward, what I can expected in lost of performance (or not) of creating Windows spanned volumes from LUN delivered by a SAN ? I don't know which kind of SAN is (we don't ...
1
vote
2answers
198 views

Adding storage to ESXi host

We have two hosts running VMWare ESXi 4.1. Both are connected to a RAID 5 array via iSCSI. We added three more disks to the RAID array. Now I need to assign the new storage somehow to the ESXi hosts. ...
2
votes
3answers
441 views

Exchange 2010 VMDK disk design

I am deploying Exchange 2010 on a single server on my VMware/SAN. We have about 100 mailboxes. I will be using normal VMDK disks, so my question is about the disk design. Should I put everything on ...
0
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1answer
125 views

How to rebuild my NAS

Today I have a QNAP TS-859U+ with 8 X 2TB disks in it. As it's was setup on day-1 it uses a single volume on a raid 5. The volume has currently a mixture of: 2 shared folders 5 iScsi Targets - ...
0
votes
0answers
217 views

Celerra Storage Processor pathing issues

Ok so some retard at my work thought he was going to fix a messed up SP and reassigned all of the default SP on all the luns to SPA, then he did a hard reboot (Smart I know -.-). Anyways, now I have ...
2
votes
1answer
912 views

Cannot extend existing data disk over 2TB on windows 2008 with dynamic and gpt part

As my D: disk is almost full (2TB) I extended the FC lun to 2.5TB. The new 500Go are seen by windows as "Unalloacted" as expected. I tried to extend the volume but windows says There is not enough ...
0
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1answer
198 views

IBM DS300 SAN, Need to expand partitions on LUN

I have a IBM DS300 SAN, and I have setup one LUN with 2.7 TB. I have this LUN setup with 2 partitions, one 130GB partition, and one 1.27TB partition. I have an additional 1.3TB free space. I would ...
3
votes
2answers
367 views

LUN and VMFS 5 sizing assistance

I am working on setting up our vSphere 5 environment. With vSphere 5 you can go > the 2TB VMFS datastore size that you were capped at with in 4.x, etc. What size datastores are people using and ...
1
vote
1answer
279 views

Solaris: Clone/Recreate iSCSI target not backed by a ZFS Volume

Is it possible to re-create or clone an existing iSCSI target not backed by a ZFS volume? I ask because upon rebooting a X4500 Thumper, I was affected by this bug: ...
1
vote
1answer
305 views

Can I move a LUN from one phsical server to VM client?

I have a 500GB LUN created over our QNAP, and it's connected/binded to one server 2K3. It is identified on that server as disk E (Dynamic) I want to remove it from Server A, and connect it to a ...
1
vote
1answer
156 views

Can I re-assign the scsi letter for virtual floppy?

Having issues with oracle starting up in our cluster environment due to disks not lining up properly. For example, on the problematic host, I see the following. [1:0:0:0] cd/dvd AMI Virtual ...
2
votes
4answers
392 views

Drobo Thin Provisioning: What happens when you run out of space?

I'm thinking about getting a Drobo S to add some storage on a Windows Server 2008 R2 box. The Drobo offers thin provisioning. While I will only have 4.5TB of space initially, I'd like to use thin ...
0
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1answer
285 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 ...
1
vote
1answer
93 views

Why am I losing share access to my LUNS?

Question Rephrased: On our NAS, I have 3 LUNS created (I do not know if this is the cause of the problem). On my DC, I have attached them using iScsi, and have created them as a disk. On that Disk I ...
0
votes
1answer
102 views

Do I require a clustered file system to share a LUN via VMWare?

I want to avoid this: How can I use NTFS and iSCSI and not corrupt my SAN? On possbility I may have is to share out a LUN from my SAN and have other machines access that shared drive. In other ...
0
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3answers
172 views

Use Hyper-V guest os as san for vm:s

I'm looking into setting up a virtualization server at home. I have settled on hyper-v since I want to try remotefx. What I'm contemplating is if it's possible to run freenas as a guest. Passthrough ...
1
vote
1answer
3k views

ESXi 4.1: how to make use of an iSCSI LUN bigger than 2 TB?

I have a ESXi servers (4.1 U1) connected to an iSCSI NAS, where 4 LUNS have been defined and presented to this host; all the LUNs are 3 TB in size. ESXi correctly sees the LUNs and acknowledges their ...
2
votes
1answer
3k views

Is it possible to query the LUN ID of a list of windows server?

I'm trying a combination of FCINFO and PSEXEC to get the LUN ID (LUN NUMBER) used by servers, but i cant get this information directly from fcinfo. I've also try using WMI until i learned that i ...
0
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1answer
2k views

Mapping VDIs directly to software iSCSI LUNs in XenServer

I read in the XenServer Administrator's Guide in section 4.1.6.2 that you can map raw LUNs to VDIs if you're using a NetApp or EqualLogic SAN. Is it possible to do the same with Software iSCSI SANs ...
0
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1answer
219 views

Read LUN from dell SAN with a PC on linux

We are currently using a md3000i DELL SAN server with a RAID1. I would like to access the information on one disk from a workstation. The hard disk contains 2 LUN but I can only access the first ...
0
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1answer
120 views

LUNs and snapshot pool size

Typical mail server, let's say 20GB of mails, partition size 100GB. I'm transferring to a LUN on shared storage P2000 and designing the whole thing. What it is typical snapshot size in this situation ...
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5answers
768 views

LUNs and virtual machines

I have HP P2000 + XenServer solution working. What I'm thinking about is how to create LUNs for 20 virtual machines. Separate LUN for every VM ? It gives me ability to backup the specific virtual ...
1
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2answers
9k views

The Linux SCSI layer does not automatically remap LUN assignments

I've got some iSCSI/FC storage, currently using only iSCSI. I have in general no problems with mounting LUNs - under Linux and under Windows. Unfortunately - when I add LUN for my Linux iSCSI ...
0
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2answers
824 views

What is the filesystem used to mount a LUN disk?

How do you mount a fresh LUN disk to your / ? Do you use ext3 or NFS for this ?
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2answers
568 views

Migrating the SAN lun in Linux

How to perform LUN migration in Linux (using LVM and native multipath) from one storage device to another storage device
0
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1answer
168 views

As a small business about to overhaul infrastructure and go virtual, how can we take advantage of all the features of the QNAP TS-439 Pro II+?

Specifically, how can we benefit from these current list of features? We're very new to this and I want to be able to talk intelligently to our IT consultant. VMware Ready Citrix Ready Built-in iSCSI ...
0
votes
1answer
386 views

How to use more than 10 block level iSCSI volumes on Synology DSM 2.3 for ESXi

We have a Synology NAS RS810RP+ running DSM 2.3-1161 and there are several block level iSCSI devices configured. Each of the devices is used as iSCSI harddrive for a different ESXi VM. (Every VM has ...
1
vote
1answer
521 views

In Debian (>= 5.0 lenny) how to set scsi_mod's max_luns option?

The scsi_mod has this option max_luns which is the "last scsi LUN". How can I view the current setting and change it?
0
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2answers
2k views

File Server - One large LUN or multiple smaller LUNs?

We're about to replace a bunch of kit (servers, SAN etc.) and migrate our servers across from their current platform. Our file server has around 8tb of data on it right now, spread across 5 LUNs (all ...
1
vote
4answers
652 views

Virtual system drive is split between separate LUNs

My hardware VMWare guy told me that a Win2008R2 server I have has a D drive that is split between two separate LUNs. He could not tell me if that's a good thing or bad just that it's not standard ...
1
vote
3answers
496 views

Do I have to have LUN on a iSCSI Target?

I am using Linux, and was wondering, if I could put LVM directly on a iSCSI target without a LUN?
0
votes
1answer
566 views

LVM issues when adding a newly-carved LUN from a Clariion - pvcreate fails

This seems to be a semi-common issue asked, but I have not yet found a good solution. I try the following: [root@localhost ~]# pvcreate /dev/sdc Can't open /dev/sdc exclusively. Mounted filesystem? ...
1
vote
1answer
274 views

iSCSI LUNs on different VLANs

Is there any way to share different iSCSI LUNs on one iSCSI server on specific VLANs? IE lun1 would only be accessible via devices on eth0.3 and lun2 by devices on eth0.4. I'm using iSCSI Enterprise ...
0
votes
1answer
220 views

Are there any good utilities out there to create datastore / LUN diagrams for VMware ESX 3.5?

We are working to get a large (inherited) VMware ESX 3.5 environment with multiple SANs under control. We first need to create a diagram / Excel spreadsheet / whatever that explains what VM is stored ...
2
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1answer
654 views

What is better to have more LUNs or more Storages

what is better to have - more LUNs or more Storages. Actually i have 1 storage ESXi per 1 LUN so there are about 15 LUNs and 15 storages. Now there is a kind of problem because the LUNs have different ...
0
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1answer
395 views

what is esx max volume size?

had trouble making esxi4 see datastore of size 2TB. It is said this is max for a LUN only and could be bypassed by extents? how to do that?
0
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1answer
1k views

P2v options within a hyper-v environment

I have a server that san boots that I want to p2v. I have many options disk2vhd, scvmm etc but I was thinking about cloning the lun (flexclone, netapp) presenting it to my hyper-v r2 server. Within ...
0
votes
1answer
657 views

Getting Partial / No Redundancy on VM's created on latest datastore

First some background. I'm in the process of upgrading my ESX servers from 3.5 to vSphere 4 and so far I have setup the new vCenter Server. Before I start the upgrade of the ESX, I needed more ...