Primarily questions about disk storage, sometimes questions about application storage or cloud storage. Always questions about storing data.
-2
votes
1answer
24 views
Mix physical media for ESXi VM, or keep it all on one physical volume?
Say I have a 120GB SSD and a 2TB volume from a portion of a larger RAID6 array. I would like to spin up a Windows Server VM for purely low-impact personal use that employs a large data store in some ...
-1
votes
0answers
49 views
Modern solution for error correcting storage? [closed]
Are there any modern solution (software and/or hardware) for error correcting storage? Probably there is a tool which is able to encode files on harddrive that will protect data from most probable ...
2
votes
1answer
33 views
Migrating RAID6 array from HP SmartArray P600 to LSI MegaRAID SAS 8888ELP
My customer has an external RAID6 array (8x 1TB in HP MSA60 enclosure) attached to HP SmartArray P600 controller. They have now decided to replace the server and the new one comes with LSI MegaRAID ...
0
votes
0answers
46 views
How do I learn network storage? [closed]
I've discovered in my networking studies that Cisco gear is common and that same category devices from other manufacturers (eg. HP Networking or TP Link) have similar configuration style.
My goal is ...
2
votes
0answers
27 views
NFS mount has stopped working on ESXi
We have had around 20 hosts connected to an NFS share running from an Ubuntu server. The other day they all lost connection. We have rebooted the NFS server to rule out any services going funny.
When ...
85
votes
5answers
4k views
Are SSD drives as reliable as mechanical drives (2013)?
SSD drives have been around for several years now. But the issue of reliability still comes up.
I guess this is a follow up from this question posted 4 years ago, and last updated in 2011. It's now ...
1
vote
3answers
87 views
ESXi running 2 x Windows 2012 setup advice
After much deliberating and advice I'm intending to use an element of virtualisation for deploying some new servers.
The original (physical) plan was one server running as domain controller, SQL ...
1
vote
2answers
54 views
Any good apps to visualize what's happening on an iSCSI Storage network
I'm a developer/SQL type person that has inherited an iSCSI SAN/Vmware setup in the past year. HP Lefthand P4500 SAN. Single iSCSI switch - HP Procurve 2810. Dell Equallogic PS6010E 10gb SAN (not used ...
0
votes
0answers
20 views
Identical tables, different sizes?
I have transactional replication with updatable subscriptions going between a few SQL 2008 R2 servers (publisher is Enterprise, subscribers are Express).
I need to add another subscriber, and come to ...
3
votes
1answer
32 views
Is it possible to connect a FC HBA 8 Gb through 10 Gb Ethernet SFP+?
I have to connect an IBM Server with a QLogic EP2532 to an IBM DS3512 with a PMC PM8032. I need two 8 Gb FC LX 1310 nm SFP+ modules and since they seem to be hard to get, I thought would it be ...
0
votes
1answer
45 views
Why did robocopy cause my Windows 2012 server to hang last night?
I'm in the process of decommissioning an old 2003 server, which acts as a file server, and am just attempting a dry-run of migrating the file repository over to a new Windows Storage Server 2012 box. ...
-3
votes
0answers
23 views
Companies Dat storage bioinformatics [closed]
Storage-Company, Product, system recommendations for bioinformatics data storage, pros and cons, cluster setups, backups,suggestions, avoids. Thank you.
-5
votes
0answers
19 views
Requirements for 24x7 Support Center [closed]
We are having team of 6 Unix and 2 Backup Engineers providing 9x5 support.In the future we will providing 24x7 support.
I would like to ask people here what is required to setup 24x7 operations to ...
1
vote
2answers
89 views
NetApp - right configuration for vSphere environment
I'm thinking now about buying a NetApp for my vSphere environment (use NetApp NAS features).
I'm looking for a solution that will give me at least 6000IOPS, and i need about 15TB of storage. I thought ...
0
votes
1answer
40 views
Solaris not seeing FC volume
We recently replaced a failed controller in an AL connected RAID. I wasn't the one that replaced the controller, but apparently when the new controller was installed something weird happened with the ...
0
votes
4answers
171 views
High speed storage drive (over 8 GByte/s) [closed]
Looking for a windows based solution to create a high performance, 8 GB/s storage array.
Either by striping together dozens of SSDs, or by create multiple RAID arrays and somehow pooling them ...
1
vote
0answers
51 views
Dynamic Disk Pooling (next-gen RAID): any experience? [closed]
I recently read this paper from Dell about DDP aka Dynamic Disk Pooling.
Quickly explained, it offers these characteristics:
no reserved hot-spare (all disks contribute to IO and redundancy),
...
-1
votes
1answer
27 views
Storage virtual machine. LVM or loop devices? [closed]
Actual situation:
I'm the administrator of a virtual machine. The virtual machine is a Debian.
This machine will be mainly a storage machine with different services (svn, ftp... ), and a webserver. ...
1
vote
1answer
111 views
ZFS configuration opinions [closed]
Currently, I'm tasked with progressively building a ZFS store. IOPS are not the priority, data security and capacity are.
In essence what we have is one brute of a machine, that contains an OS ...
0
votes
0answers
43 views
P2000 G3 for VMware - one vDisk, Multiple RAID levels?
I have a dual controller P2000 G3 (SAS 6GB) hooked up to 3 ESXi hosts.
There are 12x 600GB 15k rpm drives total, and I have set them up in 1 RAID10 vDisk to maximize performance+reliability. The ...
0
votes
0answers
38 views
NTFS Allocation Unit Size and RAID Stripe Sizes [closed]
When would you want to change the Allocation Unit Sizes of a volume from the default on server 2008? The default I believe is 4012 Bytes (4K). When would you want to change the RAID stripe size? Do ...
19
votes
7answers
1k views
Best way to test new HDD's for a cheap storage server
I want to build a storage server and bought 10 x 2TB WD RED's. The HDD's just arrived.
Is there any tool you guys use to check for bad drives or to best defend against infant mortality before copying ...
2
votes
2answers
77 views
Vmware Storage Appliance: Does It Deliver?
I'm on a tight budget and can't afford a SAN.
I'm considering a Vmware Essentials Plus Kit deploy on 3 servers. This includes vSphere Storage Appliance. Vmware claims it will do what I need it to.. ...
0
votes
1answer
22 views
Before buying it, how can I tell if a storage array makes certain performance counters available over SNMP?
I've noticed that documentation for SNMP reporting that is built-in to devices (i.e. doesn't need an agent running in an OS) usually doesn't include a list of performance counters that are available ...
3
votes
1answer
69 views
How to reliably map vSphere disks <-> Linux devices
Task at hand
After a virtual disk has been added to a Linux VM on vSphere 5, we need to identify the disks in order to automate the LVM storage provision.
The virtual disks may reside on different ...
1
vote
2answers
85 views
Server 2012: how to plan for storage failover?
The Stuff
I have the following components to work with:
two rooms
two beefy Dell R510s, one in each room
two EMC VNXe storage devices, one in each room.
The goal
Ensure that if one server room ...
1
vote
0answers
23 views
Is WebDAV a good option for exposing storage through restrictive firewalls? [closed]
I am looking for ways to enable access to University storage to researchers who are on local health authority networks. Firewalls are very restrictive, and VPN is not allowed.
I wondered if anyone ...
0
votes
2answers
35 views
Disk status on Dell Powervault 1200 attached storage?
I have a RHEL box with direct attached storage (Dell Powervault 1200) containing 10 disks in RAID 10. There are two logical volumes set up on the server. I am wondering how to determine the health ...
1
vote
1answer
35 views
Moved data from an ext4 volume to an ext3 volume and it is consuming more space, why?
Just need a simple answer, did some searching and couldn't find it. What is the metadata overhead with ext3 as compared to ext4? I migrated a number of volumes from a SAN that was using ext4 volumes ...
-1
votes
1answer
44 views
Xenserver an local Storage (Xenserver Broken) [closed]
my Xenserver 6.1 was broken and i was using local storage on this server.
now i want to recover the local storage with the usual adding methods i delete the whole disk, but i want to keep the datea ...
2
votes
1answer
97 views
Are hardware RAID systems with silent corruption protection available?
I know ZFS has protection against silent corruption, but I'm building a Windows server. Are there options out there for adding local, silent-corruption-protected storage to a Windows server, or is ...
2
votes
1answer
72 views
Choosing file system block size
Considering unix/linux/bsdunix specific file systems:
How can I choose/know which block size to use while creating file system? Is there any specific block size value for a particular file system ...
-1
votes
1answer
56 views
Why disk manufacturers use 1000 instead of 1024 as base unit measure? [closed]
Today is considered normal to use powers of 1000 instead of 1024(SI x base2) on disks capacity(hd, ssh, usb...), even with our operating systems using base2 measures(except Snow Leopard). This makes ...
0
votes
0answers
55 views
Need opinions on RAID setup [closed]
I about to setup a raid system for a school and just needed some options on how I should setup the arrays. I plan on running 4 - HP DL380 G5, all will be Hyper-V 2012 host, 2 active host, 2 failover ...
7
votes
3answers
217 views
Hard disk write-once mode on Windows
Is it possible to force a hard disk into 'write-once' mode in Windows?
I want to securely store logs so they can't be changed, but I can't use tapes or optical media due to performance reasons.
-5
votes
1answer
61 views
How to connect 12 SATA 3 disks to a server with GA-790XTA-UD4 board [closed]
How can I connect 12 SATA 3 disks to a motherboard that has just two SATA 3 connectors. What solution would you recommend?
0
votes
0answers
32 views
Are “enterprise grade” drives really better [duplicate]
Are hard drives labeled as enterprise grade actually better quality wise (in terms of failure rates)? I could not find any benchmarks.
It seems more of a "support"\CYA thing.
0
votes
0answers
26 views
Do I need to dedicate a machine to Dell MDSM? [closed]
I'm having trouble determining from the documentation whether or not I need to dedicate a machine to running Dell MDSM to manage our MD3200i. Is it strictly a client that accesses configuration stored ...
1
vote
2answers
44 views
Physical disks comprising a Volume in RHEL
How do I list the physical disks and associated information (disk model, size, etc.) for all disks that are members of a physical volume in RHEL?
For example, if I do I "pvscan", I get the following ...
0
votes
2answers
36 views
Where to store images users upload [closed]
I'm using Restlet as backend trying to create a small web app.
I am allowing users to upload their profile images, but not sure where to store them. Google tells me to store it in the file system ...
0
votes
0answers
22 views
Live storage migration on Windows Server 2008 Datacenter - Hyper-V + 2 node Failover
We are running win2k8 data center r2.
We have a failover cluster with 2 nodes, connected to a SAN, and several vm's (hyper-v) located on a shared san.
I want to move the storage location of these ...
0
votes
1answer
154 views
HP P4000 / Lefthand : how to do a manual failover
We have a P4000 SAN with 2 nodes; we don't have a Failover Manager.
Right-clicking a node in the management console does not offer a failover option, the best one seems to be "power off or reboot". ...
0
votes
2answers
34 views
What VMware or third party tool can give a report of the capabilities of a server to virtualizate with ESXi
I mean some ESXi-check or a pre Hypervisor tool that can give details about CPU, NIC, Storage and other useful information, like VT-d passed VT-x passed and more Virtualization technology.
I know ...
0
votes
1answer
97 views
HP ML350 G5 Smart Array E200i battery voltage not low
I have a similar problem like this: HP ML350 G5 Smart Array E200i battery error
Gets error message that says it is low voltage power on battery. Has measured voltages of the battery and it is exactly ...
0
votes
1answer
61 views
What are the options for expanding the available storage on a VPS?
I have several virtual servers hosted at Linode, and I'm looking for a way to expand the available storage capacity. On some of those servers I'd need to have between 0.5 and 2 TB of space.
...
0
votes
1answer
43 views
I'm running out of storage for my Ubuntu Server. What are my options? [closed]
I have a dedicated Ubuntu Server, provided by OVH. This is my exact plan.
I'm not sure how, but I've used up all of the space in the /home directory. df -h shows the following:
rootfs 20G ...
0
votes
0answers
65 views
Most appropriate Hard Disk for Host filesystem on VM server with SSD and HDD [closed]
I am putting together a new system which has both SSD and standard spinning disks (1 x RAID1 SSD set and 1 x RAID1 HDD set).
Most sites I've looked at suggest putting the root file system on the SSD ...
1
vote
2answers
162 views
How to Shrink a Volume on Equallogic SAN
I extended a disk on a DB server (so we could temporarily restore a database) and I would like to shrink the volume back down now that the data has been deleted.
I deleted the data and shrank the ...
1
vote
2answers
282 views
How to share Fibre Channel between servers on Windows 2012 STD
I'm new to Fibre Channel so please take that into consideration. We have 3 servers. 2 servers are running Hyper-V and 3rd server was bought to act as a file/backup server for those 2 servers. All ...
0
votes
1answer
151 views
Troubleshooting MySQL Performance Issues
Environment:
1 physical machine
8GB RAM
some older Core2Duo CPU
1 HDD
Windows Vista 64 bit
1 Virtual Machine
16 GB RAM
2 vCPUs
Windows 7 64bit
Both machines running MySQL 5.5.28 (64Bit) with ...
