HA/Shared storage FS
location: ubuntuforums.com - date: September 5, 2013
I have a couple of Ubuntu 12.04 servers running as storage servers. they are running drbd and heartbeat to provide high-availability iscsi storage used as an SR to a 4 node xenserver pool (6.2) everything on that is working brilliantly.
the iscsi storage holds the xenserver pools virtual machine disk images.
there are going to be multiple webserver vm's as a server farm in the xenserver pool, I want all the website data to be on shared storage as well, separate from the disk images, so that each webserver can serve up every website,
I've added more disks, and installed nfs-kernel-server to the 2 Ubuntu storage servers, again using drbd and heartbeat to provide replication/failover. this is working fine, as far as high-availability/failover goes, but not for writing to the share, the drbd device is currently using the jfs file system. the webservers must be able to write to each websites stats/log files concurrently.
can I just change that to gfs2/ocfs2 and concurrent writing wi
ubuntu lucid will not mount android 2.1 phone storage
location: linuxquestions.com - date: October 26, 2010
When I connect my Ubuntu Lucid laptop to my Android 2.1 phone (Samsung Galaxy-S "Captivate"), I see the following in the logs:
Ubuntu, FreeNAS, QNAP or Win Home Server 2011 for file Storage
location: ubuntuforums.com - date: July 31, 2013
Hi everyone! I'm new to this website and new to Ubuntu. Thanks for being here!
I need to setup a file storage server. People will be writing to and from the drive all day with average reads / writes of about 100mb. Regular reads and writes of ~2 GB once or twice an hour. About 15 people will be accessing it for two different drives. So I'm having a hard time figuring if I should build or buy two ~$400 machines or one <$800 machine.
The problems I'm facing in addressing these issues are my lack of knowledge and a budget. Common problems I think.
I see the top options as:
Machine I will build
Ubuntu Server 64bit
Win Home Server 2011
Specs of the machine would be:
4.1Ghz Quad Core FM2 AMD CPU-GPU-APU
Small SSD around 64GB for OS
2x 2tb mirrored
2x 2tb mirrored
QNAP NAS (link to prospective hardware)
Preinstalled no more than 1GB RAM
What do you think the best choice is?
Please consider I only have 2 weeks to implement a s
Cloud Storage Information
location: ubuntuforums.com - date: February 28, 2012
I am in the research phase for a possible presentation on Cloud Drives and Cloud Storage. Primarily I am looking for file storage services, and not backup services like Crashplan, Mozy or Carbonite.
I know there are many, many storage services out there, like Dropbox, SkyDrive, SpiderOak, UbuntuOne, SugarSync, Wuala, iCloud etc. but I would like to hear what services you:Know of and heard positive or negative thingsUse yourself or have experience with (even through work, friends, etc.)Like and why (pro's AND con's)
Some of these do not work with Linux (e.g. SkyDrive and SugarSync), and some of these work with Smartphones (iOS and Android). I want to hear about them because my audience uses Windows, Mac, Linux, Android and iPhone/iPad (and one Windows 7 Phone user).
Unfortunately I do not have an Android or iOS so I don't know anything about how Cloud drives work with these devices.
So any advice, experiences or knowledge you can pass along would be great!
Ubuntu Storage Server 5TB
location: ubuntuforums.com - date: May 18, 2012
I have 5x1TB drives. I plan to add more of different capacities later on.
I was considering ZFS, however great it is though, for a home environment it doesn't suit my needs because:
1.) You can't expand the pool as and when (you need to create a new pool).
2.) You can't simply disconnect the drives and read them in another machine, for example if the server OS takes a dump (OpenIndiana or w/e).
3.) RAID size is limited by the smallest drive.
I am considering using Windows Home Server v1 again, as I liked the Pool features and it reads S.M.A.R.T data to indicate failure very early on.
Would mdadm or something similar utilising Ubuntu achieve what I am after? I do not need full redundancy as most of the data is movies - however certain files I would want full redundancy.
I am sharing to Windows computers, and would expect writes 40-100Mb/s as that is what I get at present.
Storage solution advice requested
location: linuxquestions.com - date: November 5, 2010
I wasn't sure if this qualifies as "software", "server" or "general". For my home NAS box, I'm currently running a product called unRaid by Lime Technology. I was originally torn between unRaid and OpenNAS because I didn't have the ability to run Ubuntu Server and Linux Raid in my original config. unRaid one out simply because I found it easier to that configuration. I'm a bit more comfortable now though and open to other/better options if out there.
I'm about to start assembly on a 4U server with 20 HD bay's. My choices are to continue running unRaid or look for alternatives. My data is mostly large video files that are accessed by stand-alone HTPC's around the house. Any editing or ripping is done on my workstation and then uploaded to my NAS. As much as I'd like to have fast read's and write's, I think read's are most important in my case, but nowhere near as important as database read's etc....
I am not overly technical, so ease of use, co
mount: wrong fs type, bad option, bad superblock on /dev/sda1
location: linuxquestions.com - date: October 14, 2011
I'm a novice Linux guy with a big problem. I've been using a second hard drive in a Dell Latitude system running Ubuntu Natty (11.04) as my primary OS. On the second Hard Drive formatted as ext4, I hold all of the disk images needed by VirtualBox to run the various VMs that i use daily.
I recently got a new Windows 7 64-bit machine and wanted to use the VMs on that system. I installed the drive as a second HD in my windows system, and when it didn't recognize the drive, I went to the Disk Management App and chose to bring the drive "online". This allowed windows to see the drive, but not access it. Thinking I might be screwed, I installed the drive back into my ubuntu system so that I could move all the files off it, format the disk for windows, and then move them back.
When I try to mount the drive in ubuntu I get the subject error message. Am I screwed? I really need the data on that drive!!
Windows vs Ubutnu for home storage / media server...
location: ubuntuforums.com - date: January 6, 2012
I am thinking about setting up an expensive file / media server for our home sometime in mid to late 2012. The primary purpose is just to serve as a software RAID server to host movies, songs and other files, and to stream those on-demand. The purpose of the RAID is redundant backup. What are the advantages and disadvantages of each option ? So far as I see, the following apply:
Windows Home Server 2011:
easier setup and file sharing
software RAID support out of the box
Ubuntu Server 12.04 LTS (when it comes out):
Software Center - lots of open-source programs available
15TB Storage question and problem
location: linux.com - date: November 4, 2010
Hi, I'm new in the community, but I have some experience in the tux world... I have a question, it is possible to attach a 10-disk array (1,5 TB each one) to a 32-bit linux platform? I'd try to mount them, but the kernel boot messages show this:
sd 1:0:1:0: [sdc] Write Protect is off
sd 1:0:1:0: [sdc] Mode Sense: 9f 00 00 08
sd 1:0:1:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
sd 1:0:1:1: [sdd] 0 512-byte logical blocks: (0 B/0 B)
sd 1:0:1:1: [sdd] 32768-byte physical blocks
sd 1:0:1:0: [sdc] Unsupported sector size 32768.
sd 1:0:1:1: [sdd] Write Protect is off
sd 1:0:1:1: [sdd] Mode Sense: 9f 00 00 08
sd 1:0:1:1: [sdd] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
sd 1:0:1:0: [sdc] Attached SCSI disk
sd 1:0:1:1: [sdd] Unsupported sector size 32768.
sd 1:0:1:1: [sdd] Attached SCSI disk
There are 2 volumes, one of 4096 GB (sdc) an other of 9404 GB (sdd), both with 32KB physical sector-size. The question is: it is possible? the
Storage media encryption
location: linux.com - date: February 12, 2010
I have recently wanted to encrypt entire storage mediums such as external hardrives and flash memory devices. For example it would be ideal to have the option to encrypt the whole filesystem, as well as flash drives. If you have any ideas for the methods and applications that encrypt devices such as flashdrives please list some of them. The particular distro of Linux I am using is Ubuntu 9.10
Im sure the answer to my question will be simple and useful to others. Try to also state in your replies applications that use more advanced encryption algorithms then others, and also it may help to tell us which one you feel is best and why.
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