Primarily questions about disk storage, sometimes questions about application storage or cloud storage. Always questions about storing data.

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2answers
2k views

Using CommVault to backup a NAS without NDMP

We have CommVault Simpana 9.0.0 build 84 currently installed and configured on our backup server that is equipped with both a magnetic array and a tape library. I am trying to find a way to backup one ...
1
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2answers
2k views

Optmizing tape media usage for CommVault Simpana 9

My employer has CommVault Simpana 9.0.0 build 84 currently installed and configured on our backup server that is equipped with both a magnetic array and a tape library. It may be a newbie question, ...
4
votes
2answers
2k views

Server and network setup for a small private school

I help a local private school with a lot of their tech needs. So far, it's been on the order of repairing/installing office computers and helping manage the office network. But now the administrator ...
2
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1answer
316 views

Change Amazon S3 storage class on A LOT of files

We are using Amazon S3 and a great deal of our files have the STANDARD storage class. We want to change this to REDUCED_REDUNDANCY class to save the extra money. However, is has been hard to find a ...
1
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1answer
166 views

HP StorageWorks RAID 50: Volume size on creation is not precise enough

I've got a HP MSA2312i with 24 Hard drives. I created a RAID 50 virtual disk. That makes me a total of 11 TB of available space. I want to create a 500GB volume (0.5 TB). When I want to create a ...
1
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1answer
38 views

What's the command-line equivalent of creating a new Partition through MS Windows Server?

For example, When I connect LUNs to a given server, I go into Windows Management, right click on a new disk, and click New Partition. Given Windows CMD prompt, how can I accomplish the same thing ...
1
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1answer
681 views

FSRM unable to create new reports after removing old LUN

We are running a 3 node failover cluster file service based on server 2008 R2 and iSCSI Storage Arrays. We have recently migrated all storage from one cluster file service on one LUN to a new file ...
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1answer
192 views

virtualization platform: Ubuntu + KVM/Xen

performance and feature set offered by the latest Ubuntu 11.04? while it works best as virtual workstation with direct attached storage, what is the tool-stack offered for server virtualization ...
1
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1answer
450 views

Utility of ThunderBolt-based Storage Systems for Servers? [closed]

This is admittedly a terribly newbie question, and I'm not a professional sysadmin. I have however recently been considering a OS X Server based network setup for a small lab (OS X Server because I'd ...
0
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2answers
140 views

NAS storage problem

Im running a small program on Buffalo NAS, which is being accessed by several users through network share. Recently the program started to crash quite often and kicks out the user while they work on ...
1
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1answer
1k views

HP Smart Array p410i rebuild percentage not correctly working

I have a HP Poliant with a p410i and when I rebuild my raid 5 with a quick remove and insert to test the rebuild percentage goes up to 10% and then jumps to 92%. I continues up to 100% and the Array ...
14
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2answers
7k views

Are RDX removable disks a good replacement for LTO tape?

Over a period of three weeks, I experienced six complete failures of LTO-1 and LTO-2 tape drives at client sites. Some had failed mechanisms. Others lost the ability to write reliably. These were HP ...
2
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2answers
1k views

store high amount of photos (150 million) and make available for web [closed]

For a actual project I must setup a high-available storage server who can store and publish (http) 150 million photos in 7 sizes means total 1050 million files. For every photo we need total 200 KB ...
2
votes
1answer
51 views

Is it possible to import file system owned by a single user and export as multiple virtual volumes, owned by multiple users?

Is it possible to import a file system owned by a single user, (e.g. mounted via NFS) and export it again as multiple virtual volumes, owned by multiple users, where each volume is a folder on the ...
1
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2answers
120 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 ...
1
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1answer
196 views

gpt partition for raid 6 that was 4.5TB, will i have any issues under server 2008 64bit r2?

has anyone had any issues with using one large gpt partition of 5TB on a raid 6 setup with a 3ware raid controller. i am using the partition as a basic file sharing backup repository, nothing fancy. ...
2
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1answer
283 views

iSCSI target rebooting causes initiators to reboot as well

I'm running a couple of iSCSI Targets with OCFS2. I had to reboot my iSCSI Target (the physical iSCSI Target) due to some hardware changes and it caused all the initiators to reboot. I want to prevent ...
1
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1answer
118 views

Hyper-V Development Server - best 4 drive configuration?

We're building a development Hyper-V server that will be shared among 4-6 .Net developers. We'll be running mostly Win2k8R2 VMs with services including MSSQL, SharePoint, TFS, continuous integration, ...
1
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4answers
701 views

OSX Lion Server + XSan + Direct-Attached Storage

So my company is looking to switch to a DAS San storage system for our internal fileshare. I'm wondering if there are any great tutorials detailing how to set this up and what kind of equipment I'll ...
10
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1answer
4k views

Alternatives to Dell's mirrored SD card module for booting a small OS from flash?

Dell offers an add-on hardware card for some of their servers that provides a poor man's RAID1 between two SD cards (one card gets all the reads until it dies, writes are mirrored) for booting a ...
6
votes
1answer
212 views

HP P9500 block level data integrity checking

Does the HP P9500 do any sort of block level data integrity checking on reads? If so, I'm looking for actual documentation that it does indeed do such a thing.
1
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5answers
365 views

Pool storage on multiple ubuntu Servers?

Say I've got.. 5 servers, each server has a partition with 50GB's of storage. Is it possible for me to combine these 5 partitions and then mount them as one on a 6th server?
1
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1answer
221 views

SSD Write Performance and Relaibility [closed]

SSD do give a really fast Random Read Performance over conventional Hard Disks typical data transfer size is 4k or 8k.Although the Sequential Reads performance is not that huge, data transfer size of ...
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2answers
135 views

Solid State Devices [closed]

Why is solid state devices not a good option to store data for a very dynamic (frequent updates) oracle database? Although for read intensive databases ssd does give a huge performance improvement.
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1answer
687 views

Fiber Channel vs TCP-IP vs SAS. Which has better efficiency and why? [closed]

Three Major host connectivity protocols Fiber ChennelSASTCP-IP Which of these is the appropriate storage for 1. RDBMS Server like Oracle 2. File Sharing like Email or media files What is the unique ...
2
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2answers
194 views

Reset/reuse linux device letters?

Is there a way to tell the OS that /dev/sdd is really gone when I disconnect it and that it can reuse that letter? I have RAIDs hooked up through fibre channel. I have it set up so that fstab will ...
0
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3answers
124 views

Network-Attached Storage Advice

The company I work for utilizes an old, clunky Window SBS as a file server and Domain Controller. They're looking to reorganize their storage infrastructure to deal with data demands. I'm thinking a ...
2
votes
3answers
10k views

iSCSI Transfer Rate Using Standard Gigabit Networking

We just purchased a dell storage server with (12) 7200 RPM SATA drives running RAID 10 and (4) gigabit network interface cards. Additionally it has a PERC H700 controller card with 512MB of on-board ...
2
votes
1answer
1k views

Linux software raid GUI monitor for GNOME

I prefer mdadm to administrate my raid and I currently use a script to see the raid status. Running a (php)script to see the status is not exactly the most smooth experience for me so I have been ...
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votes
6answers
379 views

Is there any cheap way to create a server (or servers) with a petabyte of storage? [closed]

Cheap in terms of an individual funding it themselves, for research. This seems like a nearly impossible task, given the size of current drives.
4
votes
3answers
208 views

Is there any reason to store my data in /var/?

Right now I have a small server handling a few things—DNS, HTTP serving, email, etc—and am storing all my data in /data/, a directory I create on all servers I administrate. The reason I like to ...
1
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1answer
206 views

Solaris: Good Book for metastat?

Does anyone know any good book(s) on learning the ins and outs of Solaris's SDS (Solaris Disk Suite) and its corresponding commands (metastat, metadb, meta*)? I'm looking to invest some time into ...
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4answers
254 views

I know I have more free space

I'm trying to track down where all my hard disk space went. I have 1TB total space and, according to my system, 433GB used. However, I know I have more as I don't have any large files or folders that ...
0
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2answers
345 views

Is it possible to set up multiple named instances running on a SQl Server 2008 R2 Active/Passive Cluster?

I'm trying to plan a SQL Server 2008 R2 2 node Active/Passive failover cluster. Is it possible to set up multiple named instances running on the cluster? e.g. sqlcluster sqlcluster\demo ...
0
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2answers
416 views

synchronize files between remote sftp location and local

I am facing a quite familiar problem but have no clear idea on how to handle it. I'm a backend developer and i write my applications using Zend Studio. My employer requires me to work on a remote ...
0
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1answer
397 views

AWS EC2 EBS Microinstance Storage and Djangostack

I'm moving my person webpage to an Amazon EC2 free (for now) micro instance, and want to clarify some things. Since the micro instance does not have any "local storage", when i am installing apache, ...
2
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4answers
4k views

How long should a RAID Reconfiguration take? (Adaptec 6805)

I'm experimenting with various RAID configurations of a new Adaptec 6805 (not the 'E' model) Attached are 8x Hitachi 5400RPM 2TB SATA 6Gb Drives using the miniSAS to SATA cables provided. I created ...
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1answer
211 views

why are FC drives so cheap? or Using Fibre Channel drives as internal storage RAID array [closed]

While looking on Google Product search for drives for a new file server, I noticed that that almost all of the cheapest 300GB 10k drives are Fibre Channel drives: Google Products search result page. ...
5
votes
3answers
18k views

Measure Linux IOPS for a running system

How do I measure IOPS of a running Linux server? I know that the theoretical IOPS of a SATA drive is around 90 and enterprise 10k SAS/FC disk is 180. I want to know how much my running system is using ...
8
votes
6answers
24k views

SATA drives in HP ProLiant server?

Does anyone know if I can install normal 2.5" SATA drives inside an HP DL360 G5 server? Right now it has 6 72GB SAS drives. I am looking for raw storage for my files SAS performance in not required.
3
votes
3answers
2k 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 ...
1
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4answers
1k views

File based storage Vs Database Storage

our company at present stores a lot of automatically generated files on disk, this presnetly is well over 200,000 files, there PDF's and are around 100k - 1M in size. ive been asked to provide some ...
0
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2answers
4k views

How to connect an HP StorageWorks 8000 EVA via Fibre to a Windows Server machine for direct storage?

I have two used HP EVA 8000 AD524B drive enclosures with 14 146gb drives in each. They have 2 Fibre controllers in each. I would like to connect these two units to an HP Proliant DL380 G4 server ...
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votes
2answers
330 views

I need an affordable, mass storage system. For under £1000. Possible? [closed]

I've got a budget of £1000, but really I'd like it for less than that. I want to set up a 20TB+ storage system for a project I'm working on that will use roughly 15TB, and the rest for storing photos, ...
3
votes
2answers
7k views

Linux RHEL how to differentiate between a local disk and a SAN disk

I have a server with several disks and partitions. For an specific disk I want to know if it is local or in the SAN. I ran some commands: [root@server]# ls -l /sys/block/*/device lrwxrwxrwx 1 root ...
3
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4answers
393 views

Virtual SAN hardware and software

We are looking into SAN storage. I have been reading up on it for the last couple of months. We will probably purchase some consulting. For the time being, can anyone suggest a way I could ...
1
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1answer
356 views

Windows Storage Server and SSDs in Raid 0 - Slow performance

We have a computer running Windows Storage Server 2008 R2 with 6 SSD in RAID 0. This storage computer has one PCI-E with 4 Ethernet ports and we connected it to a gigabit switch to other computers ...
0
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2answers
877 views

How database is divided over multiple disk?

I am talking about a computer cluster in which there are total 4 nodes and 8 hard drives of 600GB capacity but if database size goes above 1TB then how mysql database would be divided (stored) over ...
1
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1answer
465 views

NHS WD Drive into HS HP DL180 G6 (SATA) Slot

I'm trying to find out if Non Hot Swap drives can be plugged into Hot Swap slots on a HP DL180 G6 server. I've been searching around but haven't found the answer I am looking for. I also can't find ...
0
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1answer
113 views

Managing multiple storage volumes in Microsoft SQL Server

I have a backup application backed by many databases (one per client) in Microsoft SQL Server, storing files in the database as BLOBs. We are looking to move this application to Amazon EC2, and ...