4
votes
3answers
228 views

Should I worry about Split I/O in a SAN?

We have a NetApp Storage system presenting LUNs to a few Hyper-V clusters. When running a system performance trace (in perfmon) on a 2008 R2 there's a warning about a "high level of Split I/O". ...
6
votes
1answer
309 views

Why MPIO instead of 802.3ad Team for iSCSI

Doing my first server to iSCSI target and I thought i would be off to a running start by teaming my NIC on the server (conventional 802.3ad team). However, from many online sources I see this is NOT ...
2
votes
1answer
118 views

Shared storage setup for Windows

This is a n00b question. I want to setup a SAN that will be used as shared storage between multiple Windows 2008 R2 servers. By shared storage, I mean the files can be seen by all servers. How do I do ...
1
vote
1answer
442 views

Encrypting iSCSI Volume attached to Windows Server using Truecrypt

I'm using a QNAP-439 Pro II SAN. Full disk encryption is currently enabled. But since you take a 80% performance hit by enabling encryption I'm thinking about disabling encryption on the SAN and ...
6
votes
1answer
1k 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 ...
2
votes
2answers
352 views

Windows 2008: re-use of deleted blocks on virtual “thin” disks

We use a StarWind SAN which has the concept of thin-provisioned disks that grow as needed. You can allocate a 4TB drive but it starts off tiny and grows as blocks are written to the virtual disk (via ...
2
votes
2answers
193 views

Local attached storage versus NAS

I currently have 3 old NT File Servers that are about to die, which have no disk level redundancy. We're considering buying drives and attaching them to a newer server that would serve files, but I ...
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 ...
1
vote
1answer
2k views

Win'08 - Extend volume size on SAN attached storage in a failover cluster

Running Win 2008, I'd like to extend the volume of a SAN attached drive that is part of a failover cluster. The SAN team has allocated additional drive space which is being seen by Windows Storage ...
4
votes
5answers
10k views

Windows share: The specified network name is no longer available

We've got an EMC NX4 SAN box serving a CIFS share to a number of Windows Server 2008 R2 app servers. The app servers are using the CIFS share to serve lots of image files (~2500 ops/sec on the share), ...
1
vote
1answer
527 views

Software to repliacte data in a Cluster Shared Volume in real time from DAS attached to Server 2k8 R2 HyperV cluster to an identical setup?

Are there any software solutions that will be able to handle replicating the data from one SAS based DAS (a Dell MD3200) attached to two R410 servers running clustered Server 2008 R2 Hyper V instances ...
1
vote
0answers
199 views

Rebuilding a SAN

Okay, because of a mistake in adding disks earlier, I am going to rebuild my SAN. It is an HP MSA2000, and I am using 2 Windows Server 2008 servers in a cluster. Please review my plan and let me ...
3
votes
2answers
828 views

comparing SAN with NAS [duplicate]

I am using Windows Server 2008 Enterprise with SQL Server 2008 Enterprise. I am considering whether using SAN or using NAS is better to store database data files. Are there any industry readings to ...
1
vote
4answers
251 views

file share system architecture asking for advice

I am using Windows platform to setup a web based file share system. In more details, individual users could upload and share documents from web interface (content may be big document, like video ...
1
vote
2answers
675 views

documents to setup SAN network?

I want to setup SAN network, making a couple of computers share the same storage and making computers look SAN as logical drive. For example and in more details, Computer A has logical drive E and ...
4
votes
1answer
5k views

Why are two servers viewing the same drive unable to view the same files?

I have two windows 2008R2 servers. Both are pointing to the same iSCSI drive on our SAN, but both servers don't see the same data. Server 1 can write data to the SAN, and can immediately see what it ...
5
votes
8answers
1k views

Is iSCSI SAN still a spof in a cluster? Can it be highly available?

I'm currently evaluating a Win2k8 two node file server cluster that is connected to a Win2k8 Storage Server iSCSI SAN. The failover is working perfectly, but I'm now wondering what will happen if the ...
25
votes
15answers
18k views

Cheapest iSCSI SAN for Windows 2008/SQL Server clustering?

Are there any production-quality iSCSI SANs suitable for use with Windows Server 2008/SQL Server for failover clustering? So far, I've only seen Dell's MD3000i, and HP's MSA 2000 (2012i), which both ...