7
votes
2answers
126 views

Array free space requirement

The general rule of thumb is don't use more than 80-85% of your capacity, otherwise performance degrades sharply, and other bad stuff may happen. On a 8TB array, this comes out to around 1.6TB of ...
0
votes
1answer
40 views

Re-purpose DD660 (DataDomain) for VM Storage

We have an un-used DD660 (DataDomain) and an un-used x3650 M2 that we are wanting to use as a test bed for playing with Hyper-V as we look into it vs. VMware. Has anyone used a DD660 is simply ...
0
votes
0answers
41 views

How much throughput increase to expect from link aggregation (LACP/802.3ad)?

I identified that data transfer within my cluster will be bottlenecked by the network interconnect (I'm saturating the dual SAS connection to my storage with sequential workloads), and I'm undecided ...
0
votes
0answers
72 views

Intransa Server Failure/Software

Our agency has an IntransaBrand VideoAppliance storage server. It is currently running a Windows Vista client on server equipment and has 2 RAID arrays. One is a RAID 5 (4 x 2TB Western Digital ...
5
votes
1answer
485 views

Is using a NAS with hot swap disks an effective way of cycling backups?

We are looking at improving our backup solution. We don't have a huge amount of data to back up (currently ~500GB) which is backed up nightly onto an external HD. We have 3 of these HD, with one going ...
0
votes
2answers
107 views

Building a small server setup - need storage and reduncy - NAS or SAN? [closed]

I want to build a small server setup. With 2 load balancers, and at first 2 webservers. I need a setup where both webservers would be able to upload and download files from a common storage solution. ...
5
votes
3answers
694 views

Recommendations: configuring a 10GbE NAS stack for virtualisation storage

I'll try as hard as I can to word this so it is not considered a shopping list. We have been successfully running a dev/test ESXi environment for some time, with a couple of Dell PE2950III servers ...
1
vote
4answers
2k views

Why use NAS for file access, why not SAN? [duplicate]

Possible Duplicate: What is the use-case for NAS on a mid-to-high end storage array? SAN is block level, NAS is file level. Block level means applications access blocks,while in file level ...
-2
votes
2answers
227 views

large iSCSI disk a good idea on an entry-level “unified” NAS?

I am working on implementing a D2D backup solution for ~150 computers based on Crashplan ProE (no cloud storage). For the storage backend, I picked up an Overland Snapserver DX2 head unit and one ...
0
votes
1answer
299 views

Generalized strategy for file server virtualization in Xenserver [closed]

I'm not shopping as much as I'm looking for some guidance on good idea / bad idea strategies. I'm sure I'm not in the "best practices" budget range. Currently, I have 3 dell poweredges running ...
0
votes
2answers
707 views

Large Fileserver on a HyperV VM - Best Practice

We are in the process of setting up a new Hyper-V host to replace our existing failing Windows 2003 R2 server. The new Host is running Windows 2008 R2 and inside that we will be running a few Virtual ...
26
votes
2answers
2k views

What is a Storage Area Network, and which benefits does it have over different storage solutions?

I'm proposing this to be a canonical question about enterprise-level Storage Area Networks. What is a Storage Area Network (SAN), and how does it work? How is it different from a Network Attached ...
2
votes
3answers
590 views

FlexClone splitting in Netapp OnTap 7

I have a large volume containing only an NFS share I'd like to split up. 500GB of it (three specific subdirectories) needs to be put into a new volume. I'd like to avoid writing this data again. ...
5
votes
4answers
3k views

SAN or NAS 100-200TB - where to start looking? [closed]

I'm starting a project to consolidate a bunch of data and make it available on our LAN. I'm thinking that we may have a need for anywhere from 100-200TB at any one time. What factors should I be ...
0
votes
2answers
520 views

Setting up centralized storage (e.g., NAS/SAN) for a SaaS application

I have a SaaS application running on 6+ servers in HPCloud which creates large amounts of data (GB/TB). Users talk to the application through a RESTful api which replies back with a link to our CDN ...
0
votes
2answers
258 views

How to get SAN like flexibility from a NAS?

Initially only a few TBs of space is needed for a storage solution (<10TBs). My initial plan is to have a NAS with other servers mounting the data stored on the NAS device, pushing and pulling ...
-1
votes
1answer
3k views

Free SAN Storage Software for Linux [closed]

I'm looking for a free solution to build virtual disk targets accessible over SAN (iSCSI). Primary requirement for me is data deduplication support. After much search on the internet i came across ...
1
vote
2answers
115 views

At what workload is a parallel (network) file system required?

Any hard numbers, or rules-of-thumgs, for what workload (e.g. in terms of simultaneously active users running average HPC center jobs) on a computer cluster, that would make a parallel network shared ...
3
votes
3answers
1k views

DAS or NAS for VMware?

I am going to be implmenting a VMware vSphere 4 setup in our company. At first I had the plans of using a Netgear ReadyNAS business applicance for VM storage via iSCSI. But as I was looking around for ...
5
votes
2answers
829 views

Suggestions for a NAS for VMware storage [closed]

I have been looking at Openfiler, and it appears to be a great open-source solution. I haven't seen very much documentation on limitations of OF. We are by no means a Fortune 500 company (yet:) so our ...
0
votes
1answer
410 views

Does anyone use dm-cache?

Has, or does, anyone use dm-cache - specifically for caching SAN based storage locally? I'm looking for a way to speed up SAN based storage on a CentOS 5.6 + XEN Hypervisor which uses iSCSI mounted ...
0
votes
1answer
726 views

Would FreeNAS with RAID-6/10/50 work well with VMWare ESXi?

I am considering expanding my single ESXi server set-up with a SAN and another ESXi server, because I am planning to update the Windows Server 2003 virtual machines to Windows Server 2008. The servers ...
2
votes
5answers
311 views

Affordable iSCSI SAN Suggestions [closed]

Our little snowboarding company currently has three NetGear ReadyNAS units that I am ready to put through a wall. Every few months I start looking into the possibility of consolidating down to one ...
0
votes
1answer
826 views

Best solution for NAS/SAN/FTP server

I just bought an AMD Zacate motherboard with 4 gb of ram and 10 TB of hard disks. I would like to use this system both as a light Ubuntu production system (emails, web, youtube, ...), and as ...
0
votes
1answer
553 views

GlusterFS with lots of exported volumes

I am planing to move my small shared-hosting environment to Amazon EC2. It requires a central storage for the webstuff (leave databases and so on aside for now) so that i can do both: load balance a ...
0
votes
1answer
2k views

How to set up FCoE target under Ubuntu?

We have: Ubuntu 10.04.2 LTS installed MegaRAID controller with 2 virtual RAID10 drives. 2x 10GbE dual port adapters (Supermicro AOC-STGN-I2S aka Intel 82599) We need to make those Megaraid drives ...
0
votes
2answers
421 views

How to share a disk to ESX from Windows to ESXi using FCoE?

I have Windows7 and I need to share it's disks to neighbouring ESXi server. I want to use FCoE. How to? Reason for using FCoE: Which storage protocol to use for ESX storage? EDIT: The NICs are ...
1
vote
2answers
448 views

What is the difference between SAN vs NAS [duplicate]

Possible Duplicate: what is the difference between SAN,NAS and DAS? I would like to know the difference between SAN and NAS (explained in basic English before getting too technical). I saw ...
5
votes
3answers
899 views

At rest encryption with a SAN?

I would like to make sure at-rest encryption is done in one place and correctly. If there's shared storage, that seems like the right place rather than DAS. Mainly I'd like to cover the case of ...
0
votes
1answer
335 views

What is a better local backup destination when using Vembu Storegrid for central backup, SAN or NAS?

We are putting together a new network infrastructure and my biggest problem has been deciding on a proper backup solution. We are currently using Veritas Backup-Exec -> REV Cartridges on our aging ...
1
vote
3answers
5k views

which Linux iSCSI target support SCSI 3 Persistant reservations?

looking for Linux iSCSI target software that support SCSI-3 persistent reservations? isci enterprise target tgt: scsi-target-utils open-iscsi
1
vote
3answers
2k views

SAN/NAS with high availability?

I have two servers that I plan to use for storage. Each of them has a few SATA disks directly attached. I want the storage to be available even if one of the storage servers is down (preferably the ...
1
vote
2answers
488 views

Will Software RAID And iSCSI Work For A SAN

I am looking for a SAN solution, but can't afford even entry level solutions. Basically, the SAN is for development and a proof of concept product. The performance doesn't have to be amazing, but ...
0
votes
1answer
58 views

How share permissions affected while migrating

We 'll be migrating the data from NS704G(memphis) to NS480(in dallas). My question is,how the access and share permissions the users 've in Memphis location 'd be effected once the migration is ...
3
votes
4answers
376 views

Fast disk access in virtualisaion

My organisation is going to invest in either RedHat virtualization with KVM or VMware ESX. Some of our work involves disk intensive bio-informatics stuff such as BLAST, which we have found to mostly ...
0
votes
2answers
88 views

where do i get .mdb and .pst file on my control station

I need help from you again, The customer has asked to locate for .mdb and .pst files .All this is required for the migration process.I 'm not involved while the migration is going on but I 've been ...
1
vote
2answers
2k views

VMs on SAN vs NAS

I'm about to deploy XenServer on a DELL R900 and haven't finalized on the Storage yet. Would typically be running like 40 VMs on the server with requires about 2TB of storage. What should I choose ...
2
votes
3answers
148 views

Does high end hardware storage use files as iSCSI targets internally?

Is it correct that if you create an iSCSI target on a high end hardware storage, then what it does is to create the target as a file on a file system? I mean, that can't be good for performance?
0
votes
1answer
481 views

How to set a read only mode for a share in celerra

I need to find out if the Celerra NAS (NS 700 Model) in my location allows me to set a read only mode for a share. Specifically, this is for the terminated employees folder. They want to be ...
1
vote
1answer
716 views

How do you find the usable storage space

How do I calculate the "Total Usable Storage Size" in clariion -Cx3 20C (I'm little confused here on how to proceed with the calculation)? I have the raw storage size from the disk summary (included ...
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 ...
8
votes
5answers
1k views

Is brand-name NAS overpriced?

NetGear's ReadyNAS 2100 has 4 disk slots and costs $2000 with no disks. That seems a bit too expensive for just 4 disk slots. Dell has good network storage solutions too. PowerVault NX3000 has 6 disk ...
2
votes
1answer
763 views

cPanel web servers mounting home partition to a NAS or SAN

I currently have 2 cPanel web servers that are little 1RU dual cpu quad core xeons. They have a lot of resources for processing and handling web requests, and never exceed more than 10% cpu usage. ...
8
votes
4answers
2k views

What Makes Cloud Storage (Amazon AWS, Microsoft Azure, google Apps) different from Traditional Data center storage networking (SAN and NAS)?

Some confusion because of my question so to make it simple : "What kind of storage do big cloud providers use and why?" As far as i understand, however I am not able to find any kind of official ...
4
votes
5answers
660 views

Building a new office NAS solution

Currently, I'm in the process of specifiying a new backup / storage server. At the moment, we have an ailing Netgear ReadyNAS, which is pretty good for some things, but has some big limitations, such ...
22
votes
5answers
26k views

What is the difference between SAN, NAS and DAS?

What is the difference between SAN, NAS and DAS?
3
votes
5answers
1k views

How SAN Storage or NAS devices are typically used?

Can these storage devices be accessed like normal hard drives or applications specifically target a device? The applications you guys use against these devices, do you have tell your application what ...
1
vote
3answers
207 views

Anyone have an example topography of an ideal shared/vps server setup at a colo/data center?

I am looking into options for building a data center at a colo for the purpose of using it as a place to host shared server websites, as well as virtual private servers. NAS/SAN solutions, load ...
2
votes
5answers
2k views

Sync up VMWare Images on backup SAN

I added an additional iSCSI SAN as a backup to our existing ESX Server storage array (homegrown, so no fancy NetApp or EMC software to manage this). Any way to automagically sync up the VM images in ...
13
votes
7answers
11k views

SQL Server Files Local or NAS or SAN?

I have to install a new Server with SQL Server 2008, What do you recommend, One server with Raid 10 or the Files in a NAS? What about iSCSI should I use it? What about SAN? The server has 4Gb of ...