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

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1answer
377 views

configuring high density storage pools

I am looking to build a very high density storage pool: a rack containing a c7000 chassis with 6 MDS600 arrays with the newly announced Seagate 3TB SAS drives will give me 1260TB with sufficient CPU ...
2
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2answers
718 views

ESX or ESXi as FCoE or ISCSI or NFS target?

Is is possible to set up ESXi or more expensive ESX server as a storage target (FCoE, ISCSI or NFS, in that order) for other ESX servers? If so, how?
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3answers
269 views

Advantages of a External SCSI Storage Array over “Onboard” Storage

What would be the advantages of using a External SCSI Storage Array over "Onboard" Storage on a server? My guesses are: Two servers can access the logical drives installed to the Array like they ...
1
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1answer
179 views

Your experience with JBOD “raw” SATA setup

I need a cheap setup to store historic snapshots of a dataset in the 100-200GB range. These will see little use, but need to be kept online for some time (shared by Samba). The box housing the dataset ...
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3answers
1k views

Can a Dell Poweredge R200 server be connected to HP D2600 Storageworks Disk Enclosure?

Can I setup a Dell Poweredge R200 server to use a HP D2600 Storageworks Disk enclosure by using a controller such as PERC 6e or the HP p412 / p410 (??) or other compatible controller in the Dell R200? ...
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1answer
3k views

Connecting a Direct Attached Storage array to multiple servers

Is it possible to connect multiple servers to the same Direct Attached Storage array, something like the Dell MD1200 or MD1220? I see from the specs that each one of these arrays supports two ...
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3answers
585 views

Migrate zpool to new SAS controller

Long ago, we bought an Adaptec 31605 under the impression that: a) it could do true JBOD, and b) it was well supported on OpenSolaris. Turns out both of these were incorrect. I'm trying to get my ...
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1answer
639 views

Raid array overloaded with no apparent reason, iostat output not making much sense?

I am looking to an iscsi installation comprised of the raid arrays managed by an HP P400 controller. 2 pairs of drives each mirrored plus 4 drives in a raid 10 configuration, all 7200rpm sas drives. ...
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2answers
202 views

Manage MP3 ID3 tags server-side

I'm looking for a script / software to edit and keep track of a remote mp3 storage. Especially I want to edit ID3-Tags.. Any ideas? Does such a manager software exist?
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2answers
887 views

Best practices for mounting Sun SAN NFS on Linux (Debian Squeeze)

Anyone got bestpractices for how to mount a nfsshare from Sun(Oracle) Unified Storage? We run the usual hard and nfs4 on debian squeeze. We run our VMs through this NFS share with Xen. When our SAN ...
2
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6answers
762 views

1TB of folder I would like to copy to another server

I have a 1TB folder with many files on Centos server I need to make sure another Centos server has the same folder and files for backup. right now the backup server has no files. once I copy all the ...
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2answers
104 views

what service can i use for cheap storage? [closed]

I thought of using amazon S3 and EBS but it doesnt appear to allow http(s), ftp(s) or ssh which are protocols git can use. Essentially i want a service i can use to store my private git repository. ...
0
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1answer
117 views

When to use an EC2 server?

This question is a little more general than the title implies. I haven't been exposed to almost any server related code, so I hope you can be gentle with your replies. What I want to know, really, ...
1
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2answers
973 views

RAID, Number of Disks and IOPS

I am trying to understand the optimal number of disks required in a RAID configuration for an application which has been monitored, at peak time, to have the following IOPS. The disk subsystem is ...
0
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1answer
165 views

Backup space to Primary space ratio

Short version: I'm building a NAS box to act as storage for backups. How big does it need to be compared to the amount of data it's backing up to adequately cover deleted files and previous versions ...
1
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1answer
456 views

Shared storage for VMs without dedicated storage server

On a legacy project I've got 4 physical machines (servers, PM's) where each server has access to the SAN and fixed-space by it's own two devices (via device-mapper multipath). The local disks of the ...
0
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1answer
131 views

In a MySQL database shared by many clients, how do you calculate the storage consumed by a single client and its data

So basically the same table is shared by many client with a foreign key that identifies which data belongs to whom Thanks
3
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1answer
203 views

How to lay out high capacity storage

I'm building high capacity storage for video. It is currently at 20TB mark and keeps growing. Currently, I have 12-bay enclosure filled with 2TB drives and configured in RAID-6. I'm considering to buy ...
2
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2answers
971 views

How to set up an Infiniband SRP Target?

I want to set up a server as a SCSI Target. How good are the open source implementations? What is the tutorial one? How is performance and reliability? How dependent is the OS? How much is ...
4
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5answers
1k views

ZFS on Linux based systems

Is there anyone who has more experience with ZFS under Linux based systems ? I saw ZFS fuse library, but I don't know it;s worth a test or not. Stable, usable ? Maybe as a storage ? Or only ...
0
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4answers
195 views

One huge drive (network share) from many computers, with folder priority redundancy

Not sure if this exists, but I have a huge amount of data to store (about 5-50mb files) and as it is now, I have 5 computers, each with raid 5 providing about 6TB hard drive each. This is causing some ...
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4answers
384 views

Please recommend an 8 port SATA card (No RAID) [closed]

I'm increasing storage on a system and have run out of SATA ports. Can anyone recommend a 8 port SATA card (No RAID) which supports up to 2TB hard drives. Thank you.
0
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1answer
166 views

Upgrading from Windows Server 2003 to Windows Server 2008 - Spanned Dynamic Disk

I have a spanned volume on 5 dynamic disks in my current Windows Server 2003. The volume is used to store data only. All the disks are connected via an external SCSI enclosure. I would like to ...
0
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2answers
154 views

Power Cycle Cisco MDS 9506

Would someone walk me through the steps to power cycle a Cisco MDS 9506 FC switch? It would help if you would provide a link to relevant documentation for this procedure. I must perform a power ...
0
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1answer
227 views

Server Mainboard and Storage System

Does anybody know how the following storage devices will be supported by Ubuntu, Debian or Linux in generall?? SATA-Controller: AMD SP5100 SAS-Controller: LSI 1068E Because I will buy the ...
0
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1answer
43 views

Storage subsystem borking after server restart (all on a Parallel SCSI bus)

I have a server (with a SCSI HBA) connected to two Promise VTrak M310p RAID enclosure on the same bus. Everything is working fine until I have to restart my server. Once restarted, the server can no ...
0
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1answer
613 views

Install SAS/SATA backplane in Dell PowerVault 220S

Is the backplane of a Dell PowerVault 220S svc tag 3sdpcb1 (14 drive, 80 pin hot swap scsi) upgradeable to a SAS/SATA backplane & controller card replacement? The unit already seems to be quite ...
0
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3answers
386 views

best filesystem for an aws s3 like service

I need to build a fault tolerant, highly available key/value storage (no posix, only same functionaluty as S3) using cheap existing hardware. The storage should be able to handle several billions of ...
0
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1answer
2k views

Setup options for an HP Storageworks D2600 Array

I have a shiny, new D2600 storage array with 6 x 2TB disks fitted, together with the licence pack that allows me to configure this all as a RAID 6 array. A few questions for you: 1) The array has two ...
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2answers
630 views

P2V successful with local drives but fails with SAN storage

I have server with local drives and about 500GB LUN on some SAN storage. We recently attempted to P2V this server on to ESX but it would keep failing at 1% if the SAN storage was included but it would ...
5
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2answers
1k views

LVM: resize2fs not resizing

I'm having a weird issue with resize2fs. I've performed all the commands and they all have been successful, however, my filesystem is the same size as it was before: [oracle@server~]$ df -h /backup ...
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3answers
4k views

btrfs vs. ZFS on a Ubuntu file server

I have a server which is running Ubuntu (Server Edition), and its main job is serving files through FTP (vsftpd) and AFP (netatalk). My /srv directory is starting to fill up, and I need to add more ...
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3answers
2k views

SAS Expanders vs Direct Attached (SAS)?

I have a storage unit with 2 backplanes. One backplane holds 24 disks, one backplane holds 12 disks. Each backplane is independently connected to a SFF-8087 port (4 channel/12Gbit) to the raid card. ...
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3answers
451 views

SSD drives with SAS Interface

Why there aren't any SSD with SAS interface? Are there any technological limitations or it is simply because manufacturers haven't produced one yet?
0
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1answer
354 views

Finding the bottleneck in Nexenta?

I built a Nexentastor server (free edition) and I am having serious disk performance issues. This same box had FreeNAS on it before and it was much much faster. Here are the specs: Dual core E6600 ...
5
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7answers
5k views

Do you lose everything when you have a hard disk failure in a multi-hard disk LVM that does NOT use RAID?

I'm debating about using LVM for a media/file server because I would like to combine multiple physical hard disks into one volume. I do not wish to use any RAID in my LVM so my question is: If one ...
2
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1answer
147 views

Use the exact same type of disk in a RAID, or different manufacturer/batches

What rule do you follow when buying disks for RAID arrays: to buy the disk as similar as possible? to buy the disks from different manufacturers? Some people chose the same type for performance ...
-1
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2answers
123 views

Hard Disk Speed for Virt Laptop [closed]

If I want to run a few dev VMs on a laptop, how fast do my drives realistically need to be? I do not expect lightning fast performance, but the last time I tried this on a Lenovo Thinkpad T400, ...
0
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1answer
412 views

HP DL370 G6 expansion

we are running a HP DL370 server with 6 x 300 gb disks on RAID 5. Due to a Windows update causing our server to fail recently, we couldn't access the data. I now want to separate the data from the OS ...
0
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3answers
2k views

Failover clustering: tempdb on SAN?

We are considering clustering our SQL Server 2008 EE instances. The storage is on SAN. Can we put tempdb data/log files on SAN? What are the pros and cons on this solution? For optimal performance, ...
1
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0answers
102 views

Windows Storage Server 2008 & Windows 7 sharing acting unpredictably

Configuration: Windows Server 2008 r2 ADUC, Windows Storage Server 2008, Windows 7 Professional x86 & x64 Scenario: We've been using Windows Storage Server on a NAS device for the last year or ...
5
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4answers
433 views

19" Rackmountable fast storage arrays

I'm in need of some fast (15+ GB/s write) and somewhat large (50 TB+) storage subsystem with a standard storage interface. I'd prefer something other than Fibre Channel, which admittedly appears to ...
28
votes
10answers
22k views

Cheapest way to connect 20-24 Sata II HDDs in a budget storage server? [closed]

I need to assemble a high density storage server for as cheap as possible. It's been a while for me and the last systems I integrated didn't even have Sata yet... During my Research I of course ...
2
votes
1answer
110 views

Is it Good to place Windows Server paging files on seperate fast storage?

How much of an impact does the performance of the storage system hosting the paging files of windows machines (I guess both physical or virtual instances like VMWare / KVM / Xen / Whatever)?
1
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3answers
828 views

How do I present a very large disk to a windows VM?

Equipment: - EVA 4400 storage system - ESXi 4.1 hosts managed via Virtual Centre - Windows Server 2K3 R2 64bit Enterprise Edition VMs Goal: - Have a very large volume that is used for on-disk ...
0
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1answer
506 views

SAN connected through SAS with SATA disk

let's have P2000 G3 with SAS Dual Controller and DL120 G6 with HP SCO3e SAS HBA cards. 1) I know it's bit dumb question, but just to be sure. The array will be filled by SATA disks. Will be the SAS ...
0
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1answer
121 views

DS2401 Mcdata switch offline

I've two DS2401 Mcdata switches. One is pinging fine and accessible while the other is not.switch is not responding to ping or http requests. I'm remotely managing this switch. Is there a way I can ...
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2answers
416 views

what is tiered storage?

what is tiered storage? I do not know enough to ask this question better. Searched SF posts but found nothing that could be comprehended.
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3answers
2k views

can ZFS NAS serve storage multiple hosts?

is it possible to serve blocks of storage to multiple hosts using iSCSI protocol? each block is reserved to one writer (host) is it only limited by available NIC ports? update: shared storage ...
2
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1answer
486 views

many partitions on a single filegroup?¿ does it make sense?

I'm designing a datawarehouse solution and I'm a newbie in disk configuration issues, let me explain you. Our storage is spread over 6 storage enlosures having each of them 5 raid-1 disk arrays, and ...