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Questions tagged [san]

35 questions
25
votes
3 answers

How is a NAS different from a SAN?

I've been doing research into NAS and SAN for a situation at work, and I am struggling to workout the difference between the two on a corporate level. Is a NAS basically just a small SAN? Or are SANs more like your general file servers that…
T Crumpen
  • 421
6
votes
3 answers

SAN vs NAS: How to explain the difference in layman's term?

I am from a software background so I am not really up to date with these storage technology. I am asked this question today and I don't feel like I am able to give a correct answer. Here is my understanding: SAN refers to a set of low level of…
Anthony Kong
  • 5,318
2
votes
1 answer

Qlogic qla2xxx fibre channel HBA not displayed by targetcli

I'm experimenting with FC with a view to setting up a SAN but appear to be stuck at the first hurdle - I can't seem to get targetcli to give me the option of using my qla2xxx card as a target. I've not used FC before, and am attempting to use RHEL…
hygri
  • 469
2
votes
2 answers

How can i build home SAN with SATA drives only

In my home i have 5 user using different computers and we have one server with vmware Esxi on it to use for virtual machines The problem i am having is storage i have desktop where i have stored 7 SATA hard drives with around 20TB of data I am…
user1721949
  • 579
2
votes
1 answer

Am I likely to encounter data loss when using ZFS send to copy a pool to a server without ECC memory?

I have an OmniOS file server with a ZFS raidz2 array that I want to back up to another machine over gigabit ethernet. The other machine is a Linux (Ubuntu 12.04) system with non-ecc RAM connected to a pile of USB 3.0 external hard drives. I want to…
Jay
  • 21
  • 1
2
votes
0 answers

Sharing storage on Linux and Solaris

I'm looking for a solution in order to share a san mounted volume between several hosts running on Linux (RHEL) and/or Solaris (Sparc). Note that I basically need to share a set of directories containing large binary files that are accessed in…
devlearn
  • 121
2
votes
1 answer

Can Linux export disk images as ATA devices over Ethernet?

This is pretty much just plain curiosity. But there is a thing called ATA-over-Ethernet, which should be supported by Linux and which allows you to export raw disk access over Ethernet directly in order to form a SAN. This is something I'll most…
Jo-Erlend Schinstad
  • 197
1
vote
0 answers

Changing The Name On A Hard Drive That Comes From A SAN

Terms: VM = Virtual Machine LUN = Logical Unit Number Used In SANs SAN = Storage Area Network S2K8R2 = Windows Server 2008 R2 OS Backstory: OK so I have a SAN (Dell MD3200) that I have created a bunch of LUNS on. One LUN of 2TB was reserved for…
Arvo Bowen
  • 525
1
vote
1 answer

How to use one nic for storage traffic & other for network traffic?

I have a Slackware Linux machine with two network interface cards and I want to use one interface for network traffic and other for storage traffic. As this is Slackware, I don't know if this could be the solution or not but I am trying this: ip…
Ankit
  • 23
  • 4
1
vote
1 answer

Multiple File Splitting in Windows or Linux

We have a 21TB LUN full of images that are approx 600K in size in multiple sub folders on the disk. We are trying to split the 21TB LUN into 8 smaller LUNs that are about 2.6TB a piece in order to process the images more effectively. My question is…
Justin Boucher
1
vote
1 answer

Performance of iSCSI devices

I am toying around with the idea to use my 2009 Mac Mini as a server. For performance and reliability reasons, I guess I would want to replace its HDD with a SSD. In order to have some disk space available on it, I think about getting a SAN device…
Percival Ulysses
  • 621
1
vote
0 answers

iSCSI + SMB for online video editing server

I am putting together a shared storage server for 25 people to edit video from. I had an idea to combine iSCSI and SMB to get the best of both protocols in the following way: Video footage is stored on a 100TB iSCSI target (a bunch of RAIDed NVMe…
swami
  • 121
1
vote
0 answers

Are link control, buffer credits and other fibre channel management messages affected by flow control?

Let's suppose there's a server connected to a fibre channel switch. They are happily exchanging frames of all kind, until the switch port buffer gets filled up. If I got correctly how flow control works in FC, the server has zero credits left for…
nightly_brew
  • 11
1
vote
1 answer

SAN wildcard for whole domain TLD

Is it possible to make SAN wildcard self-signed certificate for whole local TLD (.test)? [ san ] subjectAltName = @alt_names [ alt_names ] DNS.1 = localhost DNS.2 = *.test Then…
Alexander Kim
  • 468
1
vote
1 answer

How to make iscsi initiator propogate changes?

I use CentOS 7. I created simple target/initiator configuration and two acls(ACL) for two users. However, when I mount on both users and write from the first user, write changes don't propagate to the second user. It looks like the initiator caches…
anon
1
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