SAN

SQL Server 2000 performance issues

Running SQL Server 2000, SP4 on Windows Server 2003 R2. 4GB RAM; 3GHz dual-processor, dual-core. The databases and logs are on an ISCSI SAN. This is the original implementation design. Since the beginning the users have said the system does not perform as well as they would like. The database...

Measuring SAN IOPS

How can I measure IOPS between the SAN and VMware ESX server, Windows server, AIX, SUN, HPUX and Linux?

Looking for multi-vendor Storage Virtualization

Need a "simple concept" to do the SAN Interconnect based Storage virtualization on multi vendor basis / heterogeneous SAN sub system based. And how much this will be helpful on ROI? -Guru

Throughput calculator for all the SAN subsystem?

I was searching for a long time for a simple tool which can tell us the controller throughput of any SAN environment. Its necessary for every Storage engineer to have this utility to cross verify the subsystem we buy. Ofcourse the vendor will have the tool or LAB benchmark for the same. But those...

Any common tool for measuring controller throughput?

I was searching for a long time for a simple tool which can tell us the controller throughput of any SAN environment. Its necessary for every Storage engineer to have this utility to cross verify the subsystem we buy. Ofcourse the vendor will have the tool or LAB benchmark for the same. But those...

EMC CX4 VS Netapp 3140 VS Lefthand SAN/iQ

I would like to know what SAN is best to implement ESX 3.5. In regards to features, management, and useable space. If anyone here went through the process of implementing any of these products why did you choose the one you have. If you're using 2 of the 3 or maybe all, why do you like one over the...

How does one guarantee the integrity of snapshot done at block level

Hi, I have an equallogic SAN and I am looking at using the snapshot function for backup. My server are linux (redhat 4.0) with oracle database 10.2.0.3. What, if any, actions must I do to ensure that the snaphot made on the SAN (block level) is complete. In other word, does Linux have a cache...

Does the log_file_name_convert parameter only rename the redo log files in a dataguard?

Hello I've installed a Oracle RAC 10gR2 with two nodes and using the dataguard in a single database. I'm using a different SAN to both environments (all the servers are linux). I'm using the physical mode for replications and using the OMF (I'm using the ASM to handle the storage with the OMF...

SAN questions - SAN array sizing

1. SAN: Can it support multiple concurrent accesses? 2. What are the trade-off's between SAN array size and number of concurrent indexer processes (take note indexers will be constantly polling, renaming and deleting files) if i am creating an indexer? 3. SAN: Upon scaling are there any potential...

Trouble with SQL Server 2005 Upgrade Advisor when trying to detect an instance

I installed the SQL Server 2005 Upgrade Advisor so I can analyze our SQL Server 2000 instance and DTS packages. Even though SQL Server 2000 is up and running, it does not recognize our instance when going to the pull-down menu, nor does it recognize it when I key in the instance name. We are...

SQL Server 2005 Upgrade Advisor in a cluster/SAN environment

I installed the SQL Server 2005 Upgrade Advisor so I can analyze our SQL Server 2000 instance and DTS packages. Even though SQL Server 2000 is up and running, it does not recognize our instance when I go to the pull-down, nor does it recognize it when I key in the instance name. We are running on...

iSCSI Initiator not connecting to servers

Currently I have HP SAN environment setup using ISCSI. The servers within the SAN are connected straight to the network via Cat5 cable. The servers are connected to the array and Initiator via ISCSI. The issue I am having is the 3 servers I have connected to the initiator do not reconnect upon...

FileMaker Pro v8 SAN Backup

We are running a mission critical application on Filemaker. The FileMaker server, a Dell Poweredge 2650, is configured to conducts scheduled backups 5x daily. However, the backups are saved on the server itself. We want to move the backups to the SAN and conduct the backups at non peak usage...

Replicating SAN to DR Site

We are looking to build a warm DR site across town. How are other companies managing to duplicate their data in a reasonable time to another location? We are looking to copy around 150 GB per day. We don't need up to the minute data, up to the hour or two is acceptable.

iSCSI SAN Server suggestions?

We are in the process of purchasing a new SAN server. I was curious if anyone has any good or bad experience with HP, Netapp, Dell, Fujitsu or others. We will be using Exchange 2007 mostly in the environment and need something that is very expandable. Thanks

Need a checklist to audit a typical SAN to record all the components

We need a checklist to audit a typical SAN to record all the components of the SAN. The aim is also to record the metrics with view to help improve performance. Can you please help?

Accessing heterogeneous disk arrays to a Windows server using a single HBA via SAN

I am planning my disk array upgrade, and I want to know if anyone has any thoughts, or if there are any reference/best practice/white papers, for accessing heterogeneous disk arrays to a Windows server using a single HBA via SAN. Any concern about the multi-path software?

iSCSI associations dissapear at reboot need to manually reconnect

I've got two SLES 10 x64 SP2 systems, and whenever i reboot, their iSCSI associations disappear. My disk array is a Dell MD3000i with 4 x iSCSI interfaces. I've done a normal discovery and explicitly toggled all of them to automatic startup but still need to manually reconnect Submitted by a User

Urgent SAN on Redhat x86_64 problem

If I run probe-luns -a, it shows all 3 luns. I then use fdisk -l and it shows the devices as expected. Output after reboot: [root@hhln-mgt-sac101 ~]# fdisk -l Disk /dev/cciss/c0d0: 146.7 GB, 146778685440 bytes 255 heads, 63 sectors/track, 17844 cylinders Units = cylinders of 16065 * 512 = 8225280...

Shared SAN LUN between Win2K3R2 std Svrs

Is it possible to share an EMC symentrics LUN between two windows 2003 R2 std servers without having to use third party software like ms clustering? one write and the other read only...