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• My 4 GB microSD card only allows me to use 1 GB

  - by James Litewski

  My phone came with a 4 GB microSD card. On the card it lists that 3 GB goes to Muve Music which is Cricket's music program, and I get 1 GB... Well, I don't pay for Muve Music, so why waste the space? I thought I'd be able to simply buy an adapter and reformat the microSD card to get the full 4 GB; but that wasn't the case... I could only find the 1 GB partition on the card. I even tried reformatting the disk, but I had no luck. How can I get the full 4 GB? BTW, I'm running Mac OS X v10.7 (Lion).

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• CPU fan turns on and off repeatedly without booting

  - by rnso

  My PC has suddenly stopped starting up. On checking with case open, the CPU fan starts running when the power is turned on, but it stops after about 2-3 seconds, restarts again after about 2-3 seconds and the loop is repeated. There is no beep and nothing appears on the screen. On searching the internet, I found there could be several reasons for this. I tried removing hard-disk, CD drive, tightening connections etc but of no avial. I also tried using a new power supply but the response is the same. Where could be the problem and how can it be solved? Thanks in advance.

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• Pygrub with DRBD on Xen 3.2

  - by Joril

  Hi all, we have a two-node cluster using DRBD 8.2 on CentOS 5.2 64bit. The cluster runs a few VMs on top of Xen 3.2.1, here's the configuration for an Ubuntu Jaunty VM: name = 'dev' bootloader = '/usr/bin/pygrub' memory = '512' vif = [ 'ip=192.168.1.217,mac=00:16:3E:CD:60:80' ] disk = [ 'phy:/dev/drbd24,xvda1,w', 'phy:/dev/drbd25,xvda2,w' ] As you can see, the disks are specified like "phy:", and as such pygrub doesn't know a thing about the underlying drbd device... So my problem is that even though the VM boots just fine, it doesn't handle the state of the drbd device. As a result, when for some reason the device gets to a secondary/secondary state, the VM won't boot, and I have to manually specify which node is primary. I read that starting with Xen 3.3 pygrub understands the "drbd:" specification, and I think that it would fix my problem, but I can't upgrade Xen at the moment... Is there a workaround? For example, could I use the 3.3 version of pygrub? Thanks!

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• Best practice for scaling a single application source to multiple nodes

  - by Andrew Waters

  I have an application which needs to scale horizontally to cover web and service nodes (at the moment they're all on one) but interact with the same set of databases and source files (both application code and custom assets). Database is no problem, it's handled already with replication in MongoDB. Also, the configuration of the servers are the same (100% linux). This question is literally about sharing a filesystem between machines so that its content is always correct, regardless of the node accessing it. My two thoughts have so far been NFS and SAN - SAN being prohibitively expensive and NFS seeing some performance issues on the second node with regards to glob()ing in PHP. Does anyone have recommended strategies or other techniques that don't involved sharding data across nodes or any potential gotchas in NFS that may cause slow disk seek times? To give you an idea of the scale, the main node initialises it's application modules in ~ 0.01 seconds. The secondary is taking ~2.2 seconds. They're VM's inside a local virtual network in ESXi and ping time between them is ~0.3ms

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• Clicks or ticks every minute when HDD is idle [closed]

  - by Ramy

  Possible Duplicate: Clicks or ticks every minute when HDD is idle My HDD is a My passport... It's 2 weeks old. I hear this tick or click followed by another one about 8-9 secs later, and they repeat every minute almost exactly... They usually happen and the LED light blinking.. It's not like the other clicks you hear that indicate any inevitable HDD failure, it's much lower in volume. I don't know what that is, however it's different than the rest of the HDD usual sounds...It's close to the sound of the mouse click. It sometimes also happens when I access a file on the drive mostly after being idle for a while, sometimes randomly not really sure... The drive though is working well, the SMART report comes out OK and without warning, and disk management shows it healthy... What could be the cause of this??

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• Ways to remotely reboot a Linux system

  - by dualed

  I had a remote server running Debian Sarge that experienced some HDD failure and I meant to reboot it hoping that fsck could repair the errors automatically. I eventually drove out there and replaced the faulty disks... But I was wondering: What other ways are there to force a Linux system to reboot that do not require hard drive access? What I had tried: shutdown -r now Did not work, as shutdown is a program that would have to be loaded from disk, the error shown in the terminal was bash: /sbin/shutdown: Input/output error init 6 same as above telinit q same as above kill -2 1 This did not print an error, but did not work either. (However, it is possible that the Sarge init did not implement SIGINT, the sarge manpages did not mention it. So it could work in a more recent version of Debian) This guide on PCFreak.net. However, this failed at sysctl, which was not in memory either.

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• Linux: don't use file system cache under a directory

  - by GetFree

  For a PHP website I'm monitoring, I need to see what files are being used each time the browser makes a request. I thought of using find . -type f -amin 1. With that I get all files which were read in the last minute (it's a developing server so only I am using the website). I took care of removing the noatime attribute from the mounting point. However there must be something else that's preventing the kernel from reading the actual files on disk because the access time is not being updated when I read a file. I guess it must be the file-system cache which is retrieving the files from memory. Is there a way to disable file caching under a specific directory? (public_html in my case) Also I read somewhere that there is the nobh mounting atributes which apparently disables file caching under that mounting point, but I'm not sure.

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• How do I unmount a charging device in Linux?

  - by PeanutsMonkey

  I have a mobile device attached via USB to a Linux box and wish to unmount it. I ran the command fdisk -l however it does not list a mount point. I then ran the command lsusb which yielded the screenshot below. I then proceeded to search the /dev/disk/by-id directory and was found the following file The file is a symbolic link to what appears to be /dev/sdc Questions Why does it not appear when I run the command fdisk -l? How do I unmount it properly without simply yanking the USB cord from the USB port?

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• Putting our OLTP and OLAP services on the same cluster

  - by Dynamo

  We're currently in a bit of a debate about what to do with our scattered SQL environment. We are setting up a cluster for our data warehouses for sure and are now in the process of deciding if our OLTP databases should go on the same one. The cluster will be active/active with database services running on one node and reporting and analytical services on the other node. From a technical standpoint I don't see an issue here. With the services being run on different nodes they shouldn't compete too heavily for resources. The only physical resource that may be an issue would be the shared disk space. Our environment is also quite small. Our biggest OLAP database at the moment is only about 40GB and our OLTP are all under 10GB. I see a potential political issue here as different groups are involved but I'm just strictly wondering if there would be any major technical issues that could arise from this setup.

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• Pervasive database backup

  - by Steven

  I'm looking for the best way to backup my pervasive database. I've read the documentation but still have a few questions. It appears that Continuous Operations method only allows me to backup the entire database? So I'd do butil -startbu @filelist, then backup the entire database (copy, rsync, etc), then run butil -endbu @filelist. Looking through the documentation I don't see a way to get transaction logs out of this method; like I would do for MSSQL (BACKUP LOG ACCT TO DISK) or Postgres (archive_command). With rsync, it might be feasible to still do this every 15 minutes. The Archival Logging method means I would have to occasionally stop the database to get a full backup, which is acceptable for me. But can I copy the log files off of the server every 15 minutes, ie log shipping? Thank you.

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• Options for transparent data encryption on SQL 2005 and 2008 DBs.

  - by Dan

  Recently, in Massachusetts a law was passed (rather silently) that data containing personally identifiable information, must be encrypted. PII is defined by the state, as containing the residents first and last name, in combination with either, A. SSN B. drivers license or ID card # C. Debit or CC # Due to the nature of the software we make, all of our clients use SQL as the backend. Typically servers will be running SQl2005 Standard or above, sometimes SQL 2008. Almost all client machines use SQL2005 Express. We use replication between client and server. Unfortunately, to get TDE you need to have SQL Enterprise on each machine, which is absolutely not an option. I'm looking for recommendations of products that will encrypt a DB. Right now, I'm not interested in whole disk encryption at all.

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• How can I diagnose cache misses when using Apache as a reverse proxy?

  - by johnstok

  I have set up Apache 2.2 as a reverse proxy with the following configuration: # jBoss proxying ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass /foo http://localhost:9080/foo ProxyPassReverse /foo http://localhost:9080/foo ProxyPassReverseCookiePath /foo /foo # Reverse proxy caching CacheEnable disk /foo # Compression SetOutputFilter DEFLATE BrowserMatch ^Mozilla/4 gzip-only-text/html BrowserMatch ^Mozilla/4\.0[678] no-gzip BrowserMatch \bMSIE\s(7|8) !no-gzip !gzip-only-text/html DeflateCompressionLevel 9 Header append Vary User-Agent env=!dont-vary However, in a number of cases where I expect a cached response to be returned the request is sent through to the origin server at localhost:9080. Responses have a HTTP Vary header of 'Accept-Encoding,User-Agent' which is to be expected given the mod_deflate configuration. How can I determine why Apache is unable to serve a response from the cache?

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• Create a Windows 7 System Repair ISO?

  - by MaDMaD Mad

  According to the Microsoft website I can run "Create a system repair disc" from the start menu to burn a recovery Disc. However, there are many situations (including not having a disk drive) where this cannot be done. My goal is to create a bootable USB drive according to this guide but their method to do so without burning a physical disc includes downloading an ISO from "somebody's" website. I don't know who "somebody" is and I feel it is reasonable to not boot something I can't verify as being untampered with. To the best of my knowledge, Microsoft does not host a recovery disc ISO for download as this would be the easiest solution. So my problem is that I'd like to circumvent Microsofts "burn to disc" option with a "burn to ISO" through any reasonable means.

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• Cloud based backup solutions based on open standards?

  - by Rick

  I am looking for a solution to backup and consolidate important media from a couple Windows laptops and Mac laptop. I would like a solutions that based on open standards, so my data isn't trapped by proprietary formats and proprietary protocols. I would like the ability to switch clients or change providers in the future. For example, something like Jungle Disk plus S3 sounds like a great option. However, I am having trouble confirming how or if this can be setup meeting this criteria. Are there any real or de-facto standards for treating S3 as a filesystem? If so, what Windows and Mac clients support these standards?

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• Windows 7 Public Documents Folder - how to move it to drive d:

  - by Bazza Formez

  Hi, I've just bought a new pc, and it is running Windows 7. I'm wanting to set up all of the documents folders such that they point to folders on a second drive partition (ie. disk D:) so that I have a nice separation of os from docs. I have managed to do this for each user on the machine (by opening up properties for documents folder and changing location). Hwoever, this procedure doesn't seem to work for the public documents folder. I cannot change the location for that one (even though I have administrator privileges). It is greyed out and cannot be changed. Any ideas ? Thanks!!

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• Problem opening password encrypted .docx file on Word 2003

  - by molecule

  Hi all, I am having a problem opening a .docx file on my Word 2003. I have installed the Compatibility pack for 2007 but when i try to open this particular file, I receive the error "Word experienced an error trying to open the file. Try these suggestions. 1. Check the file permissions for the document, 2. Make sure there is sufficient free memory and disk space, 3. Open the file with the Text Recovery converter. I do not think it is any of the errors as I am able to open it on a different PC with Word 2003 as well. I also do not have any issues opening any non-password encrypted .docx files. Has anyone experienced the same issue? Most posts on the internet relate to "open and repair" but as mentioned, I am able to open this file on another PC without any problems. Any advice is greatly appreciated. Thanks, George

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• Resizing a System Partition Windows Server 2003 VM (Getting GParted Error)

  - by Dina

  I am getting an error while trying to resize System Partition for Windows 2003 Server (this is a VM on a Hyper-v Windows Server 2008) using GParted Live CD ISO. Followed this tutorial: http://malaysiavm.com/blog/how-to-resize-windows-2003-server-virtual-disk-on-vmware-esx/ and GParted Doc http://gparted.sourceforge.net/larry/resize/resizing.htm (They are very similar) The VM has a Dynamic VHD file, I have already increased it using Hyper-v. GParted doesn't give any clues or details for the error. Just simply errors when trying to grow the partition. Any ideas what I can do? Thanks! Using version of Gparted: gparted-live-0.13.1-2

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• Is this a valid backup strategy for MongoDB?

  - by James Simpson

  I've got a single dedicated server with a MongoDB database of around 10GB. I need to do daily backups, but I can't have downtime with the database. Is it possible to use a replica set on a single disk (with 2 instances of mongod running on different ports), and simply take the secondary one offline and backup the data files to an offsite storage such as S3 (journaling is turned on)? Or would using master/slave be better than a replica set? Is this viable, and if so, what potential problems could I have? If not, how do I conceptualize this to work?

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• Which built-in account is used for Anonymous Authentication in IIS 7?

  - by smwikipedia

  We know that Microsoft IIS 7.0 offer a slew of authentication methods such as Anonymous Authentication, Form Based Authentication, Digest Authentication, etc. I read from Professional IIS 7 published by Wrox that: When we use Anonymous Authentication, the end-user does not supply credentials, effectively mak- ing an anonymous request. IIS 7.0 impersonates a fixed user account when attempting to process the request (for example, to read the file off the hard disk). So, what is the fixed user account impersonated by IIS? Where can I see it? If I don't know what this account is, how could I assign proper permissions for the clients who are authenticated as anonymous users? Thanks.

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• How to reinstall OS X 10.8 without internet?

  - by Sam

  I had a crash on my Macbook Air MD231 - Mid 2012, and my system won't boot, and unfortunately my friend erase my partition from disk utility. Now I have three question 1)my internet speed is very low, for re-installing I have to download all of the OS X 10.8 from internet? or I can download it and install it via USB port?(how??) 2)I have to select this option ? "re-install OS X" , and what about size of that? (for example 4.2 Gb) 3)after installing , is there anyway to restore my dada? unfortunately I have not any backup right now, after I turning my Mac on, it's automatically going to repair mode... thnx for your kind

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• Brand new Seagate HDD has high raw read error rate

  - by kpax

  I've just purchased a brand new Seagate ST31000524AS 1TB HDD. Manufacture date shows as January 2012 (yes that's as new as new can get), so must be one of the new batches from the post-flood Thailand. Anyway, I downloaded a copy of Active Hard Disk Monitor tool to check the S.M.A.R.T. parameters and I find the parameter Raw Read Error Rate is very low. Should I be worried? Will this rectify over time? This hdd is just 7 hours old; what gives? Edit: I meant high raw read error rate - Title updated accordingly

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• Computer Locks Up Completely When Resuming From Standby

  - by kcoppock

  Okay, so I'm having a strange issue lately with my desktop, and off the top of my head I'm not sure what the problem is, so I'm hoping for some ideas on how to track down the cause. First, my PC: AMD Phenom 9600 Quad-Core 2.4 GHz 4 GB DDR2 160 GB boot HDD 1 TB & 120 GB secondary HDD Nvidia GeForce 8600 GTS Windows 7 Professional 64-bit I have my power settings as follows: Turn off the display: 10 minutes Turn off hard disk: 20 minutes Sleep after: Never After a while, I'll come back to use my computer again, wiggle the mouse, and the screen comes back on like normal, but the desktop is unresponsive. I can move the cursor, but nothing responds to clicks or keyboard entry. If I click a few times with the mouse, the computer eventually locks up completely and the mouse cursor stops moving as well. After I restart, everything works just fine. Is there a log you recommend checking or really any suggestions would be welcome at this point. Thanks!

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• Software that will burn DVDs with a SFV or Pararchive file for each disc?

  - by Matt

  I'd like to burn several thousand RAW files (.DNG) of around 10-30 MB each to DVD to backup my photo archive. I'm looking for software that can do this and include an SFV-type file on each disc burnt. These are my requirements: compression is optional, and probably not desirable due to the extra time involved files should be spread amongst the discs as self-contained units, i.e. I don't want to have to load files from more than one disc to be able to read the files on that disc, so that excludes WinRAR's spanning options I don't want to spend time writing ISO images first as this will be a task I'll need to repeat often as I add new images to my archive - the software should write to the DVDs for me as simply as possible I'd like the SFV/Pararchive/recovery record to be stored with the files on each disc, so it only references the files on that particular disk Thanks in advance!

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• How can I format a USB drive as FAT from a MacBook Pro?

  - by Edward Tanguay

  I plugged in a 250GB USB hard drive into my MacBook Pro and want to format it in FAT so I can transfer files back and forth between a windows machine. (My windows7 machine only formats in exFAT which my Snow Leopard 2.6.4 doesn't support until I do the update). So I want to format it on the mac. but when I right click on the drive, it gives me the options to eject, copy, but not to format. I can go into Disk Utilities, click on Partition, but the only option is the "Mac Journaled format". How can I Format my USB drive as FAT from my MacBook Pro?

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• my WD Mybook wd5000h0032 is DEAD?

  - by Herudae

  Hello, i have a WD Mybook Premium (wd5000h032) it used to work just fine but suddenly i can't access to it. The blue lights turn on but the drive doesn't start, it makes no click, nor any other sound, it just like if it was disconnected from USB, of course my PC doesn't detect it, i've tried with trhee different USB cables two PCs and one laptop and nothing. Is it really dead? how can i recover the information stored there? i think the problem could be the case, if so, could i take out the disk and connect it as an internal drive? or could i buy another case?

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