Questions tagged [storage-area-network]
A SAN is a Storage Area Network, for providing block-level access to storage subsystems across a network.
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Open source file system with local cache for remote users/small branch offices? [closed]
We have a collection of Synology RackStations here at our main office with roughly 500 TB of capacity across the three of them. The files themselves are media files ( EXR, camera RAW files, etc. ) as ...
0
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1answer
36 views
What kind of operating system SAN device can have?
Ciao, I don't understand does SAN device have an operating system? I know it is connected to servers in data center by san switch and it provides data drives to the servers but how the server ...
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1answer
44 views
RAID 0 for Development
Hello fellow administrators, I am seeking high level guidance on the following situation:
First the context of the environment: internal, all virtual (vmware), development use only, performance ...
2
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2answers
96 views
How does SAN provides block access to data?
I was reading about file storage and that lead me to SAN. I read about SAN and that it provides block access to data. I was looking for these concepts in some video, where the guy creates a VM on some ...
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0answers
33 views
Best Practice: Ansys FEA Output Data Storage
I'm trying to make this as least subjective as possible by providing finite inputs and parameters. I truly want to know what is the most resource affective, given the constraints. Given my available ...
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1answer
94 views
DS3400 - no access - only ping via management ethernet port
This is my first post, so sorry if I `ll miss something
My task is to collect data from few years old DS3400+EXP3000 ( it was disconnected from power last 2 years).
After starting it on front panels ...
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1answer
187 views
Can we mount single SAN block level storage are on two separate VMs having different OSs
We have one VM having HP-UX, on which a storage area is already mounted from SAN as block level vxfs.
We need to share the same storage area on another VM in real-time read-only mode but we can only ...
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0answers
38 views
How to get my HPE 3PAR Raid Configuration info from Management consol
I am working on HPE 3PAR Storage system. Now I need to know my RAID configuration information.
I can't find it into the management consol. can anybody help me to figure out? how can I identify my ...
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2answers
789 views
Best free software solution for homemade iSCSI SAN [closed]
I currently have a NAS running ZFS on Ubuntu but have recently changed my main windows software to pool local drives using Stablebit DrivePool. I cannot include networked drives in DrivePool unless ...
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0answers
46 views
Diskspd testing decision support
I inherited a decision support environment, which I have issues related to disk slowness in VMWare/SAN environment.
the data filegroup contains 4 datafiles with each datafile on a SAN logical volume. ...
2
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1answer
175 views
NFS: Single filesystem mount versus multiple mounts of sub directories
We have a file server (fsrv1) that has a 3 mounted XFS filesystems /srv/xfs{1,2,3} each with 3 top-level directories: /home, /scratch and /project. What is the preferred approach to mounting this on a ...
0
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1answer
12 views
SAN Connectivity Extension from one Building to Other with 350 Meters distance Recommendations
We have two Data centers, DataCenter-A has all the Backup storage, Datacenter-b has critical servers, We need to backup Datacenter-b Servers via FiberNetwork.
We have Brocade 300 Switches on DC-a &...
5
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3answers
486 views
“Bad message” with a new SAN using multipath and iSCSI
I'm configuring a new SAN for a set of Ubuntu 18.04-based servers. Each of nodes can mount the ext4 formatted partition fine.
Being new to both multipath and iSCSI, I'm not sure if what I'm seeing is ...
0
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1answer
23 views
Multi domain SSL shows all the domains publicly
We have generated Multi-domain SSL for my clients but when visiting any client site If we click on the lock icon and navigate to certificate details can see other client domain names in the subject ...
6
votes
1answer
851 views
can I share the same datastore between different VMware 6.5 clusters?
Is it possible to share the same datastore between multiple VMware clusters of the same version (both 6.5 or both 6.7)?
It is the norm to share the datastore between multiple hosts in the same ...
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1answer
39 views
Should i partion 100% of my san's HDD's or leave some unused?
I am new to posting here but have been reading and utilizing your extreme brains over the years so Thank you all for being so generous!!
I just bought a new Synology NAS for my domain and i am ...
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2answers
209 views
Kubernetes cluster shared storage and backup solutions
Which shared storage solutions are common for Kubernetes cluster to implement shared storage persistence for containers? NFS on NAS / iSCSI somehow?
How do you backup the data on a Kubernetes with ...
8
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1answer
207 views
Can I dynamically expose an entire SCSI host over Fibre Channel, preferably in Linux
Is it possible to expose an entire SCSI host dynamically (an LSI HBA or RAID card) over Fibre Channel, if so how?
Preferably on Linux (perhaps targetcli) and with disk hotplugging support. (i.e. ...
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3answers
1k views
What differences are between a NAS, a shared disk file system on a SAN, and a distributed filesystem?
https://en.wikipedia.org/wiki/Clustered_file_system#Network-attached_storage says
Network-attached storage (NAS) provides both storage and a file
system, like a shared disk file system on top of a ...
14
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1answer
4k views
Linux goes to swap while plenty of RAM installed
I have a linux box that is used as SAN storage. It is equipped with 14 SATA HDDs and the only software it run is iscsi target and zabbix agent. This is physical box, not VM.
The RAM size installed is ...
0
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1answer
58 views
SAN volumes not showing in new cluster
Some background....
We have
Two hyper-v hosts running server 2012r2 with a number of guests.
Msa1040 SAN with two disk pools
The hosts are a two server cluster
The two hosts connect to the san via ...
0
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1answer
57 views
3PAR 7400 cli setup
Unfortunatelly we don't have a GUI so we use cli.
How to allocate physical disk space to free space?
I tried servicemag, admithw,admitpd cmd but freespace (showspace) is equal 0
3PAR01 cli% showsys
...
0
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1answer
110 views
Configuring MPIO on Windows to remove duplicate disks
We have shared some storage from a EMC Unity SAN to Windows Server 2012 R2 to use with Veeam. In Disk Management, there are multiple disks listed with the same size. From previous systems, this is ...
0
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2answers
147 views
Securely delete individual files from virtual drive on SAN
We have a Windows Server guest OS running on vSphere which has logical drives that ultimately reside on a 3PAR SAN. An auditor has suggested that after deleting sensitive files on the VM, we should ...
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1answer
55 views
How to Expand Server Storage to Dell PowerEdge With a SAN?
I have recently bought Dell Poweredge T410 server with a Perc 6/I RAID controller to get some hands on experience with server hardware and play around with Windows Server OSs.
I've been looking at ...
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0answers
703 views
The driver detected a controller error on \Device\Harddisk0\DR0 on a virtual machine
The event in question is generated by a virtual machine.
The disk 0 is a scsi connected drive to the virtual machine.
The vhdx file is in the hyper-v cluster which has the storage from SAN cluster. ...
3
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2answers
97 views
Mount NTFS Partition on two Servers - Just one will have RW access
I want to configure my san to present a disk to two windows servers, i would present it one time as RO and to the other Server as RW
Will the windows servers have a problem with this setup?
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0answers
202 views
IBM 2005-16B switch console cable
I have an IBM 2005-16B switch, and it has a male serial connector on it, and I want to use that to configure the device.
I also have a usb to male serial cable, and I have recently created a null-...
0
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2answers
113 views
Two Windows servers in SAN
I have two Windows 2016 servers with QLogic HBA. Servers connect to a Brocade SAN switch. Servers can ping fabric via QLogic FC ping utility. But one server don't see the other. In "Target list" in "...
5
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3answers
1k views
Boot Windows from SAN
Am not so familiar with Storage. I have some questions around running Physical and Virtual Machines with SAN for Storage.
Is it possible to boot OS from a SAN Storage attached to a Physical Server? ...
0
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1answer
295 views
Can a HP P2000 G3 SAN with SAS controller direct connect to a Dell PowerEdge Server with a Dell brand HBA [closed]
I am building a home rig and have recently acquired an HP P2000 G3 SAN with SAS controllers. I appreciate these are supposed to connect into a DL380 G7 or G8 with the HP branded SAS interface card (...
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1answer
113 views
Install FREENAS on ORACLE SUN SPARC T5240
is possible to install FreeNas server on Sun Sparc Enterprise T5240 (Hardware compatibility),and how to do that?
Thanks
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3answers
4k views
iSCSI, multiple initiators for the same LUN
I have a web application that is distributed over 3 servers. These 3 servers need a shared storage to access files. Since iSCSI is just a protocol, not a filesystem, it will not have any ...
4
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2answers
1k views
PAGE_FAULT_IN_NONPAGED_AREA when booting Windows 10 from iSCSI network drive
I am trying to set up Windows 10 for diskless boot via iSCSI, as described, for example, here or here.
I am able to run the Windows 10 installer to install Windows on the target iSCSI drive. However, ...
1
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1answer
121 views
dell md series device specific module for multi-path failed to return a path?
We have a Dell PowerVault 3620f (fiber) and I am getting the following errors in the Windows event log. I am no good with fiber zoning so I would need to pull in someone to take a look but figured I ...
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2answers
101 views
ISCSI and SAN scaling
The Problem: I have a photography studio, and I ran into a problem when I just ran out of space on a monthly basis. Every month I just purchased additional HDD for a file server. now I have approx 120 ...
0
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1answer
80 views
Veeam Hyper-V Cluster Off-Host Backup Proxy
I'm creating a new HPE configuration for a Hyper-V cluster.
Need also to consider Veeam and Off-Host Backup Proxy.
This might be a silly question, but considering HPE MSA 2052, does it make any ...
0
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1answer
291 views
Best practice to present storage to KVM guest VM for storage server for iScsi target
Hi I'm building out a storage sever that will consist of a KVM Fedora-Server host with a Fedora Server guest VM. I have a 20tb SSD Raid 6 array that I want to act as my storage target ultimately this ...
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0answers
40 views
Seeking iSCSI file copy flow clarification
I'm trying to diagnose a slow file copy issue but am a bit perplexed by the "behind the scenes" flow of data and am looking for clarification.
The server in question is a Windows 2012 server and it ...
0
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2answers
97 views
Fastest solution to use FTP/Aspera/MediaShuttle with SAN network
At my postpro studio we have a SAN Network (Stornext 6). There is also a MediaShuttle and FTP server in a VM on the firewall (I know, I know... Not my fault, really xD).
The VM is sharing SAN over ...
3
votes
1answer
614 views
MPIO on Win Server 2k16 w/ EMC Unity
I have two Dell R630's running Windows Server 2016, slated to be Hyper-V hosts but not yet clustered, attached to an EMC Unity array via fibre channel through a pair of Brocade 300 SAN switches. The ...
3
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3answers
264 views
Understanding Disk Array Availability
I'm new to this thus I'm trying to understand about calculating Disk Array Availability (DAA).
What I have understood so far is that availability is always 1, and Failure = 1÷MTBF, and that is all I ...
0
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1answer
461 views
CEPH for video streaming? [closed]
So i have a video streaming app (HLS) and was wondering if using CEPH or GlusterFS would be a good idea vs using plain SAN storage?
(from performance prospective)
In general is software defined the ...
1
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1answer
48 views
Mount the Vplex Virtual Volume ( LUN ) Xen Server
Hello ServerFault members,
Please help me with this issue.
I am in very strange situation with my Xenserver environment. I am trying to mount the Dell EmC ( Vplex LUN ) to the Xen server HA and when ...
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0answers
36 views
Windows Server guest changes and ramifications after being migrated to SSD?
This particular environment, it's VMWare guests that have been moved to all-flash SAN, but that shouldn't be particularly relevant.
I'm quite familiar with >winsat formal from SO questions like ...
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0answers
25 views
Dell EqualLogic PS6010E Network Setup
We recently got a PS6010E and going through setup, I put in all the IP info we are planning on using, and when I get to the part where it says to go to http://[group-ip-addr], I am unable to connect. ...
1
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2answers
58 views
3par OS location
As a complete 3par Newbie I have a simple question about the OS of the Storage-System. Is the OS on a 3par stored on it's controllers or on Disks like in some EMC-Models. When I have an empty 3par-...
2
votes
1answer
369 views
Figuring out how storage is configured to Hyper-V cluster
I am presented with a Windows Server 2016 Hyper-V cluster (2 nodes) and the nodes are connected to an HP MSA 2040 storage (SAN?) with direct fiber connection.
I am trying to figure out how the ...
2
votes
1answer
59 views
What is difference between path and connection in iSCSI volume?
we have connected few Iscsi volumes. When we execute
Get-IscsiConnection
it shows connection between target IP address and initiator IP address.
But when we execute
mpclaim.exe -s -d
It ...
4
votes
3answers
330 views
Ubuntu Linux - Shared VHDX
I have two Ubuntu web servers using a shared Hyper-v vhdx file in a Hyper-V cluster as a data drive because the Nimble SAN does not support NFS Connections.
However, while both servers are able to ...
