I've question regarding RAID 5, is there any benefit in going beyond 3 hard disks when you're using RAID 5 ?. Obviously if you need huge amounts of storage then 'yes' but if you have modest storage requirements (say 8 GB) and need faster read/writes is there any benefit from having more disks ?...

"Jack Stewart" wrote in message ... Does anyone have (relatively recent) experience with both a NetApp NAS & EMC Celerra? If so, I'ld appreciate any comments that you might have. Our management is looking into...

Dear all, I've posted some time ago and reported problems with latency on our SAN. We've come to the conclusion that we've to run a benchmark, we've suggested bonnie++ and our Datacenter has welcomed that idea. We mainly host DB2 Databases on the SAN and have an application which writes (and...

My 30gb MaxtorDiamondMax plus 8 HDD stopped booting into windows, no even in safemode , FIXBOOT, then led to 'NTLD missing' message, I put it in as slave in Windows XP using another a Master, I hoped it would see all my documents, programs, folders.... but it says the HDD is only 10mb, also with...

Hi, I am newbie in storage. I have installed two servers in 2003 Edition. The two servers are using EVA8000 SAN, and I have created a LUN with 500GB and shared it. So, now two servers are able to look at this single point of LUN and access the files. Now the question is I am not able to see the...

Hi, I am pretty new in connecting Solaris servers to Clariion CX using Emulex or any SAN for it matters. I wonder if anyone can explain or guide me to docus on my queries ** What is persistent binding means? ** what is WWPN? ** when configuring the lpfc.conf, which is the corect WWPN to use? the...

Can anyone explain this? I've burnt some files in at least two sessions on an Imation DVD-R disk. I know some drives won't show more than the first session with certain media/hardware/software combinations, but this is what threw me: Disc is in the drive in which it was burnt; drive is connected to...

Hi all. I'm triying to begin a code theory investigation about the redundancy codes in RAID systems. I will like to know if there are any papers about this type of codes and where could I get them. Thanks in advance. Gustavo Vázquez.-

Hi, I have a clariion fc5300 and a brocade 2400 switch in my lab. I also have EMC's navisphere manager but I do not have navisphere hosts agent ( mainly for solaris and hp-ux 11iv2 ) so I can't use the navisphere manager to control my storage. Does anyone have? Please help and thanks.

For a Windows-only site with a couple of Win2K clusters, SQL, Exchange, Citrix, and IIS I'm looking to build an overview of viable ways of real-time or near real-time replication of data to a remote site. No access to raw fibre, just TCP/IP with decent bandwidth (30-50Mbit/s dedicated). I'd like...

EMC has recently updated its animated product review of Centera and CAS Technology. http://www.emc.com/interactive_center/media/centera/cen_tour.jsp You can learn more about Centera and CAS technology at the Centera Tech Group: http://groups.yahoo.com/group/CenteraTechGroup/

While I understand iSCSI protocol performance is a combination of latency, throughput and host resource overhead, which iSCSI configuration would provide better overall performance? A) An iSCSI HBA such as the Adaptec ASA-7211 with a single 1Gbit Ethernet port, or; B) A dual port NIC such as the...

Hi all, I need to write an introductory documentation about SAN technologies. Which software can I use for make a visual diagram (or a public domain picture) to explain about: -fiber cable and different connectors -host bus adapter and GBIC -topologies (switches, hubs, fabrics, naming schema...)...

Is anyone aware of a product or products that will allow for the seamless sharing of both of these platforms? I know HDS has a product that used to be called "RapidXchange" that allow for the reading of open systems data on a mainframe. Thanks.

I know it sounds kludgy, cheap and amateurish, but... I have a legacy app that millions of small, static image files. The app requires a mapped drive letter, so they all have to be on one volume. Problem is, it's getting to be too much to store on a sigle volume. Is there an inexpensive (or open...

Hi, I'm running Brightstor Arcserve Backup 9 on a RedHat ES 3.0. My average load on this duel processor server is over 1 and the process causing this is the caloggerd deamon. It's always using 24.9% CPU when I view it in using top. The next process is recorded is only 0.2% CPU. Another thing...

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"George Orwell" wrote in message ... I have servers and storage at two sites, with an FC bridge over an ip WAN in between them to create a SAN. Now I would like to run a distributed filesystem on servers at both sites, ...

Hi everyone, I'm preparing to put together a system geared towards editing large files in Photoshop as well other graphic-based functions. I was hoping for some input on the potential build which includes: Processors: Dual AMD Opteron Model 146, 1MB L2 Cache 64-bit Processors Motherboard:

We're trying to reduce the current window required to read backups from the network and write to the TSM storage pool. One idea presented and asked is if it is possible to put two ssa adapters in the tsm server with lots of disk on the ssa trays, then tell lvm to create the lv such that the PPs are...