Tagged Questions
0
votes
0answers
46 views
How do I learn network storage? [closed]
I've discovered in my networking studies that Cisco gear is common and that same category devices from other manufacturers (eg. HP Networking or TP Link) have similar configuration style.
My goal is ...
3
votes
1answer
32 views
Is it possible to connect a FC HBA 8 Gb through 10 Gb Ethernet SFP+?
I have to connect an IBM Server with a QLogic EP2532 to an IBM DS3512 with a PMC PM8032. I need two 8 Gb FC LX 1310 nm SFP+ modules and since they seem to be hard to get, I thought would it be ...
2
votes
1answer
116 views
How to configure multipath using Intel X520-SR2 10GB on Oracle Linux 6.2?
I've installed the Intel x520-sr2 Ethernet/Fibre card into a server that has Oracle Linux 6.2 Installed on it. When I boot the server I can go into a QLogic menu (screen has something for Intel on ...
1
vote
2answers
404 views
What does this mean: “SATP VMW_SATP_LOCAL does not support device configuration”?
Can anyone tell me what this means in ESXi 5.1?:
SATP VMW_SATP_LOCAL does not support device configuration
I've googled it and I get a lot of results, but as yet all the pages that contain the ...
2
votes
1answer
750 views
Linux Fiber Channel Host Setup Basic
I've been googling for about 4 hours now with no luck. I am trying to setup a Linux server running Oracle Server 6.3 as a Fiber Channel host. And then connect it to a Dell Compellent Fibre Channel ...
0
votes
1answer
575 views
How to get multipath working for Ubuntu Server 12.04
I'm working on a project which aims to make use of Ubuntu servers running on enterprise class hardware. In our case that means IBM HS23E blade servers, QLogic 4GB fibre channel extension cards and ...
1
vote
0answers
78 views
Virtual fiber channel HBA in Solaris
We are trying to set up some virtual Fibre Channel HBA's in Solaris. This seems to be possible with NPIV. Creating NPIV's in a Solaris global zone works fine, but passing that NPIV to a zone didn't ...
-1
votes
1answer
81 views
Which protocol do clients use when communicating with servers in a SAN [closed]
I'm trying to wrap my head around how a SAN works and how it is implemented.
If I understand this well, clients wanting to access the storage devices in a SAN need to communicate with the servers via ...
4
votes
1answer
1k views
Switch Netapp expansion FC port from target to initiator
I have a v3200 with a 4 port FC expansion card. I am trying to switch one (or all, doesn't matter) of those ports from target to initiator. When I execute fcadmin config, I get:
...
0
votes
2answers
2k views
Mounting LUN from EMC VNX5300 via FC on Centos 6
On my VMX5300, I have created LUNs, configure hosts etc. Mounting LUNs in my ESXi is very simple, ESXi host discovered new FC device and with few clicks I was able to mount new FC storage. On Centos ...
4
votes
1answer
145 views
Brocade ISL port monitoring
I have a pair of Brocade switches with ISLs running between them. I'd like to know if it's possible to be alerted when one of the ISL ports goes from an E_PORT to anything else (particularly a ...
1
vote
2answers
89 views
FC SAN network high-error rate simulation
Is there a way to simulate a malfunctioning device or a faulty cable in a FC SAN network?
edit: I know shutting down a port on a switch is an option, I'd like to simulate high error rates though.
In ...
0
votes
2answers
193 views
How to block some disks from probes on Linux boot?
My linux host connected to SAN with FC interface.
It connect with one path, and see some luns, that can't access, because they need anohter path, not available to host.
On boot linux probe all lun ...
22
votes
1answer
2k views
How should I set up my Fibre Channel (FC) network?
How do FC switches work, and how should I configure mine?
6
votes
1answer
760 views
Which events specifically cause Windows 2008 to mark a SAN volume offline?
I am searching for specific criteria/events that will cause Windows 2008 to mark a SAN volume as offline in disk management, even though it is connected to that SAN volume via FC or iSCSI.
Microsoft ...
0
votes
1answer
368 views
Can a backup server HBA be zoned into 2 tape drives without confusing applications?
| tape drive 1 | ---- | switch 1 | ---- hba1 | backup server | hba2 ---- | switch 2 | -----| tape drive 2 |
Our backup server has 2 FC HBAs. Each is zoned into a different drive on the back of the ...
1
vote
1answer
146 views
What is the maximum number of FC switches in a switched star-topology fabric with a 4-domain fabric license on the hub switch?
I have 2 blade chassis, with 2 built-in fibre-channel switches each.
And I inherited a "budget" fibre-channel switch with a 4-domain fabric license.
I need a reality check, please:
When I connect ...
1
vote
1answer
150 views
Help identifying and getting started with this Fibre Channel equipment
Some old(?) fiber channel equipment is being donated to my company and I need help identifying what exactly I have, and how to get it up and running if possible.
I have two HP rack units, each with ...
6
votes
2answers
313 views
Fibre channel zoning by port: bad idea?
I have a single FC switch here that has a bunch of servers hanging off of it. Currently it is zoned (as per my previous question, Fibre Channel zoning best practices) by WWN, one zone for each pair ...
0
votes
1answer
235 views
Convert EMC AX150 to iSCSI?
I've to an EMC AX150 SAN, with two FC controllers in it. And no existing FC infrastructure. Since the controller cards seem to be modular (you can get 1 or 2 of them), is it possible to obtain iSCSI ...
1
vote
1answer
350 views
Interpreting count of zero transmit credits
Our SAN consists of some Brocade 5100 FC-switches, three storage systems and a number of servers. The none of the switches are inter-connected (no inter-switch links). All servers, switches and ...
9
votes
1answer
606 views
Correct placement of devices on a Fibre Channel fabric
We're getting a pair of new 8Gb switches for our fibre channel fabric. This is a Good Thing since we're running out of ports in our primary datacenter, and it'll allow us to have at least one 8Gb ISL ...
0
votes
5answers
2k views
Building cheap SAN
Note: Some of you may ask, why not just use a cheap hardware solution. The solution is not so cheap in the country it has to be installed in, with as much as 100% import tax on high end ...
0
votes
1answer
258 views
How do I resolve an “Invalid Transaction” error saving a zone config in Brocade Web Tools?
When trying to save zoning changes in the Zone Administration tool in Brocade Web Tools, I get the status "Failed to commit changes to fabric" and the messages window shows:
--- start of commit ...
3
votes
3answers
2k views
Which OS can work as a fiber-channel target?
Just for the research, which OS can work from the box or with some 3rd-party software as a fc-target?
I know only the following: Solaris (currently only OpenSolaris+COMSTAR), Windows Storage Server.
...
1
vote
2answers
310 views
Restart Fibre channel controller after blade bootup IBM HS bladecentre
I have a remote system that needs to resume on startup. If the system is simply powered on then the blades boot before the SAN is online and then the only thing you can do is restart the systems.
Is ...
0
votes
2answers
263 views
SAN cache memory upgrade
We currently have an IBM DS4300 Dual Controller Fibre SAN. It is a good box, but getting pretty old. It came with 256MB of cache per controller.
Recently we replaced the batteries in one of the ...
0
votes
2answers
1k views
2 Server FC SAN Configuration
I have 2 identical servers:
-48GB Ram
-8GigE NIC's
-2FC NIC's
-2x72GB RAID1 Hard Drives
-Server 2008R2 Host
I also Have a Fibre Channel SAN:
-16x146GB RAID10 Hard Drives
-2xDual-port FC Controllers ...
6
votes
1answer
1k views
fibre channel debian problem
I have a QLogic Fibre Channel card installed in a Debian box (Lenny), and after some tiffs with the firmware, I managed to get the operating system to recognize the card (DKMS driver, and the ...
2
votes
1answer
1k views
Best practices for adding 2nd FC switch to fabric on in-production environment?
I have a single Brocade Silkworm 200e switch in production right now. The corp exchange server and 3 ESX 3.5 hosts are connected to the clariion cx3 array through it. Port 0,1 are SPA0 and 1, and ...
4
votes
2answers
1k views
1
vote
1answer
2k views
QLogic FC HBA + IBM DS5100 on RHEL 5.4 LUNs not detected as SCSI disks
Hey Guys!
I've got a brand new DS5100 SAN connected to multiple hosts (HS22 Blade in BladeCenter H) via two independent fabrics. Switch (Brocade 20p for BladeCenter) is zoned properly, ie every host ...
1
vote
4answers
441 views
Direct Attach FC Drive to Server
Is it possible for a server/PC to attach directly to a single fibre channel arbitrated loop drive with a 40-pin interface?
For example, we'd like to run benchmarks on a HP EVA 5000 fibre channel ...
0
votes
2answers
167 views
IBM 3534-1RU SAN HUB
I was given an IBM 3534-1RU SAN HUB and I realized that it isn't a fibre hub that would do TCP/IP!
So what could I use this for?
3
votes
2answers
2k views
IBM XIV (Storage Array) - Anyone?
Is anyone here using the IBM XIV storage array? Anything you would like to share of your experience so far? We're evaluating an HP EVA along with the XIV which is very different (using commodity ...
8
votes
2answers
18k views
Fibre Channel LUN rescan and QLogic
I have a serious problem with a SAN storage array connected to a Linux box through Fibre Channel. Here is the configuration :
Debian with plain vanilla linux 2.6.27.25
Fibre controller QLogic 4Gb ...
4
votes
1answer
546 views
Cisco FC SAN switch decision
I've got to buy a bunch of FC SAN switches in the next week or so, I have to, and want to, buy Cisco MDSs.
Servers are HP BL490c G6's in C7000 chassis with Virtual-Connect Flex-10 ethernet ...
7
votes
16answers
5k views
Cheap but Highly Available Shared Storage? [closed]
my group is in the market for plentiful storage. We traditionally used big-iron FC-attached SANs, but they are way expensive and provide much more performance than we require.
We want highly ...
1
vote
1answer
440 views
SAN Optimization: How do you go about it?
Lots of us have Storage Area Networks (SANs). Most of us, probably. How do you go about optimizing for speed? How many spindles do you have? iSCSI or FC? How do you break up your array? And if you ...
4
votes
7answers
1k views
Rough estimate for speed advantage of SAN-via-fibre to san-via-iSCSI when using VMware vSphere
We are in the process of setting up two virtualization servers (DELL R710, Dual Quadcore Xeon CPUs at 2.3 Ghz, 48 GB RAM) for VMware VSphere with storage on a SAN (DELL Powervault MD3000i, 10x 500 GB ...
0
votes
3answers
799 views
Does a command-line config tool exist for the Clariion CX
On SANs with Mylex RAID controllers there is a command-line utility called mlxcfg that allows one to configure the SAN. Does such a utility exist for Clariion CX SANs and is it free to use without ...
