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• Can you recover from a backup with bad blocks?

  - by Macbook-Recovery

  The hard drive in my Macbook recently gave up while using it on the plane (dual prop, lots of vibration unfortunately). I have a backup of its contents from a few weeks ago, but there are files that aren't included in it that I would like to recover. As it stands right now, I have it plugged to my macbook by USB. Snow leopard recognizes it, but can't mount it. Therefore, tools like Diskwarrior and Techtools do not work. I started doing a clone of it with Data Rescue 3, but after 7 hours of activity (20% through the drive), it has copied 130 GB of the drive but reports all of the data as "bad blocks". My question is this: Is any data recoverable if the clone is completely composed of bad blocks?

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• Windows recovery partition with GRUB2

  - by Actorclavilis

  So I recently got a new Toshiba laptop and installed Ubuntu 12.04 on it. Since it is a "Windows 7 Enabled" machine or some other proprietary nonsense like that, a few hardware features are designed only to work with W7. Eventually I found a way to enable these hardware functions by booting into the W7 recovery disc; however, they sporadically stop working. I'm moderately surprised that I was able to get anything to work at all, so I don't especially want to spend more time fixing the problems in a different fashion. Now I don't actually own the recovery disc; it's my father's. Since it's a pain to have to go asking for the disc every time the features stop working, I made an image of the disc and was hoping to make a 'recovery' partition like some computers have. However, unetbootin and GRUB2 both want a kernel and initrd to point to on startup, and something like set root=(hd0,1) loopback lo /w7r.iso set root=(lo) chainloader +1 in the spirit of the makeactive/ chainloader +1 commands that I used to use to dual-boot Linux and Windows simply gives me a file-not-found error. My question, therefore, is: Is it possible to, having written a Windows iso to a partition (such as with dd if=w7r.iso of=/dev/sda4) to a partition, convince GRUB2 to boot from it? Thanks in advance.

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• Shrinking windows and recovery partitions on the samsung new series 9

  - by bobbaluba

  I just bought a samsung NP900X3C, and as I was going to install linux, I noticed the windows partitions and recovery partitions occupied a major portion of the disk. The disk is a 128 GB SSD, and I want to keep the windows partition in order to play some games once in a while, but the windows disk is already 45GB full (with no installed programs) and the recovery partition is 20GB. That leaves under 60 GB for linux, which is not optimal, since that is what I'm going to be using most of the time, and there would be no room for games on the windows partition. There are also two small partitions that I don't know what are doing, one 100mb at the start of the disk that I'm guessing is some kind of boot partition, and one 5GB, that is described as an OS/2 hidden C: drive What I'm wondering is: can i delete the recovery partition? What about the mystical 5gb partition? Here is what fdisk reports: ubuntu@ubuntu:~$ sudo fdisk -l Disk /dev/sda: 128.0 GB, 128035676160 bytes 255 heads, 63 sectors/track, 15566 cylinders, total 250069680 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x83953ffc Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 198273023 99033088 7 HPFS/NTFS/exFAT /dev/sda3 198273024 207276031 4501504 84 OS/2 hidden C: drive /dev/sda4 207276032 250068991 21396480 27 Hidden NTFS WinRE

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• Windows 7 not booting after installing Ubuntu 12.10

  - by Imran Choudhry

  I have Samsung sf511 with Windows 7 Home preinstalled. I installed Ubuntu 12.10 last night. First I mounted downloaded ubuntu 12.10 iso on a DVD from Windows 7, then I restarted, changed the boot option to DVD and let the Ubuntu DVD run. I selected "Install ubuntu alongside windows 7". In the next step I allocated the diskspace . Ubuntu installed perfectly and it ranned OK. I spent a good time exploring Ubuntu. When I restarted to start my work on Windows again and selected Windows 7 to boot, it showed blue screen after booting up (after logging in). I tried restarting several times but the same blue screen keep showing at the same point of bootup. I also restored windows to an earlier time. Left with no option I booted from Samsung provided windows recovery option. The recovery process ran fine but when it restarted to boot Windows for the first time all I see is a black screen. Nothing happens. It switches between dark command promt screen to a pitch black screen as if it's rebooting after every 10 seconds or so. The laptop can be booted from the DVD Drive or USB drive but is not booting from Harddisk. What should I do in order to use both Windows 7 and Ubuntu?

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• So Your Laptop’s Fan Has Stopped Working Then? [Humorous Image]

  - by Asian Angel

  There is such a thing as dust build-up and then there are the odd cases of dust-ball evolution… What is the worst case of dust build-up that you have dealt with? Make sure to share your stories with your fellow readers in the comments! Help, my laptop’s fan is not working! [via Reddit Tech Support Gore] Secure Yourself by Using Two-Step Verification on These 16 Web Services How to Fix a Stuck Pixel on an LCD Monitor How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

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• Cluster Nodes as RAID Drives

  - by BuckWoody

  I'm unable to sleep tonight so I thought I would push this post out VERY early. When you don't sleep your mind takes interesting turns, which can be a good thing. I was watching a briefing today by a couple of friends as they were talking about various ways to arrange a Windows Server Cluster for SQL Server. I often see an "active" node of a cluster with a "passive" node backing it up. That means one node is working and accepting transactions, and the other is not doing any work but simply "standing by" waiting for the first to fail over. The configuration in the demonstration I saw was a bit different. In this example, there were three nodes that were actively working, and a fourth standing by for all three. I've put configurations like this one into place before, but as I was looking at their architecture diagram, it looked familar - it looked like a RAID drive setup! And that's not a bad way to think about your cluster arrangements. The same concerns you might think about for a particular RAID configuration provides a good way to think about protecting your systems in general. So even if you're not staying awake all night thinking about SQL Server clusters, take this post as an opportunity for "lateral thinking" - a way of combining in your mind the concepts from one piece of knowledge to another. You might find a new way of making your technical environment a little better. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Backup those keys, citizen

  - by BuckWoody

  Periodically I back up the keys within my servers and databases, and when I do, I blog a reminder here. This should be part of your standard backup rotation – the keys should be backed up often enough to have at hand and again when they change. The first key you need to back up is the Service Master Key, which each Instance already has built-in. You do that with the BACKUP SERVICE MASTER KEY command, which you can read more about here. The second set of keys are the Database Master Keys, stored per database, if you’ve created one. You can back those up with the BACKUP MASTER KEY command, which you can read more about here. Finally, you can use the keys to create certificates and other keys – those should also be backed up. Read more about those here. Anyway, the important part here is the backup. Make sure you keep those keys safe! Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• How to recover organic position in Google results after server down?

  - by ElHaix

  I have several sites that were doing quite well in terms of organic SEO rankings. I have the important sites setup in Google's Webmaster tools. Long story short, the system was down for about two weeks. Now in AdSense and Analytics, I am seeing that the page views are SLOWLY increasing. and I would like to know if there is anything I can do now to try to expedite the process of regaining those positions. Since there were several errors from that server, is it possible that Google will now rank any site from that IP address lower due to those two weeks of errors? Is this something that I just have to let ride out? Thanks.

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• Fixing windows MBR without Vista Recovery CD

  - by Aditya Sehgal

  I had Windows Vista + Ubuntu running on my system. I deleted the ubuntu partitions from Windows. However, when I start the system, GRUB throws up an Error 22 (missing partition) and does not let me boot into Windows. The CD ROM on my laptop is fried and therefore I tried installing Ubuntu again using a USB install. However, the version Ubuntu 9.10 justs hangs in the load screen and does nothing. I do not have windows Vista Recovery CD (as it was a recovery partition in my laptop). What are the options I have? How do I fix this?

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• Fixing windows MBR without Vista Recovery CD

  - by Aditya Sehgal

  I had Windows Vista + Ubuntu running on my system. I deleted the ubuntu partitions from Windows. However, when I start the system, GRUB throws up an Error 22 (missing partition) and does not let me boot into Windows. The CD ROM on my laptop is fried and therefore I tried installing Ubuntu again using a USB install. However, the version Ubuntu 9.10 justs hangs in the load screen and does nothing. I do not have windows Vista Recovery CD (as it was a recovery partition in my laptop). What are the options I have? How do I fix this?

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• Change Bitlocker Recovery Key

  - by Zian Choy

  Is there any way to change the Bitlocker Recovery Key?

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• Disaster After Removing Two HDD From LaCie RAID 0 Case

  - by John

  This is the second time this has happened. I own a LaCie IDE RAID 0 Enclosure and the RAID went bad. The system gave me a warning that the data could be read from the RAID but that nothing could be written, and to remove the data ASAP. I did that and erased and reinitialized the RAID. System reported it was fine, no issues. I wrote to the RAID again and the system reported the same issue. So, I removed the drives and tested them individually thinking one must have gone bad. Sure enough, one HDD reported all bad blocks, every single one after the Master Boot Record. I didn't think much about it because of the age of the drives, 5 years old. So, I bought two new drives plugged them in and started up the RAID again. Exactly the same thing happened. All was fine after initializing the RAID and then the next day after powering on the RAID the exact same issue. The HDD sitting in the same position as the first "bad" HDD reported all bad blocks. Obviously, this is an issue with LaCie's bridge board not with the drives. No utility I have used has been able to bring this HDD back to life. I thought I would just copy the MBR from the good drive to the new one using a sector editor but am hesitant. Is it possible the firmware on the HDD has been corrupted by the LaCie bridge board?? What else could be the cause of such an issue? How can I fix this drive?

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• Ubuntu-VirtualBox-LikeWiseOpen network disaster

  - by Sergio

  I've a virtual machine on VirtualBox 4.1.4 with Ubuntu 11.04. It was working perfectly, but after a reboot something really wrong happened: I wasn't able to connect to the internal network (same for NAT). $ sudo dhclient -v Internet Systems Consortium DHCP Client 4.1.1-P1 Copyright 2004-2010 Internet System Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Error creating socket to list interfaces; Permission denied Can't get list of interfaces. The network interface is PCnet-FAST III. Additional information: $ uname -a Linux LinuxFileServer 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 i686 i386 GNU/Linux Any ideas? Thanks EDIT: $ sudo ifconfig -a eth1 Link encap:Ethernet HWaddr 08:00:27:af:f2:c7 indirizzo inet6: fe80::a00:27ff:feaf:f2c7/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:16 errors:0 dropped:0 overruns:0 carrier:0 collisioni:0 txqueuelen:1000 Byte RX:0 (0 B) Byte TX:3870 (3.8 KB) Interrupt:10 lo Link encap:Loopback locale indirizzo inet:127.0.0.1 Maschera:255.0.0.0 indirizzo inet6: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:16 errors:0 dropped:0 overruns:0 frame:0 TX packets:16 errors:0 dropped:0 overruns:0 carrier:0 collisioni:0 txqueuelen:0 Byte RX:960 (960.0 B) Byte TX:960 (960.0 B)

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• Windows Home Server backup recovery missing driver for USB Device

  - by Pat James

  I'm doing a backup recovery of a Windows 7 PC from the backup on Windows Home Server. I've done this before and am accustomed to the prompt to load drivers for devices such as the NIC from a USB flash drive, which I have all loaded up with the drivers from the special folder in the WHS backup repository for this PC. My problem on this PC is that one of the drivers the recovery CD complains is missing is "USB Device", and it fails to find the drivers when I click the button to scan for and install drivers. So it seems it can't access the USB flash drive to load the other drivers. Any suggestions? I think my next step is to pull a DVD drive from another system and plug it in with a CD burned with the device drivers.

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• Oracle Disaster Recovery On Linux

  - by Sopolin

  My oracle database is store on Linux system. And My Linux system is down. So I want to restore my oracle database when I setup Linux system already but I don't know how to restore it. Do anyone can help to guide to restore and recover my database?

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• how to reinstall Asus notebook using Recovery DVD?

  - by Radek

  a friend of mine asked to reinstall his Asus notebook. He didn't want Vista anymore so I installed XP. Re-partitioned the hdd (no more recovery partition). Everything went fine except I cannot make LAN card work. I created a question for that. And I talked to Asus help desk but it didn't help so we decided to go back to Vista. I have the original Recovery DVD for his notebook. With files like ASUS.SWM and ASUS2.SWM. But I do not know how to use this DVD to reinstall his notebook. Did I mention that his DVD drive mostly doesn't work?

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• Storage replication/mirror over WAN

  - by galitz

  Hello, We are looking at storage replication between two data centers (600km apart) to support an active-passive cluster design for disaster recovery. The OS layer will be mostly Windows Server 2003/2008 with some OpenSuSE Linux used for performance monitoring on VMWare or possibly XenServer. The primary application service to replicate is Nvision. Datacenter 1 will have two storage systems for local active-passive or perhaps active-active replication with Datacenter 2 used as a last resport disaster recovery site. We have a handle on most aspects, but I am looking for specific recommendations on storage platforms that can handle remote replication cleanly. Thanks.

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• Ubuntu 10.10 - disaster - what other linux for beginner?

  - by A-ha

  Guys, I've tried to install ubuntu (desktop and notebook ed) on my laptop and unortunately I have to say that as despite the fact that installation process supposed to be easy I couldn't finish installation of this system - didn't detect my keyboard or rather lost my keyboard as soon as I tried to switch on/off pad on my laptop. After I've discovered that, I started all over again (this time without touching my laptop's pad during installation) and yes, eventually it get to the end of installation. Unfortunately, when I've tried to switch my pad (sometimes I just do not want to use a mouse) the whole system froze. So I had to restart it with the power button and this time I didn't touch pad at all, plugged in mouse and tried to rearrange taskbars according to my liking (all taskbars on the top side of the screen and auto-hide on) and I gave up. It is so unfinished that I just can't be bothered to use it. I would like to have one linux system on my machine so I started googling and most of the links are to either ubuntu (which I just do not want to touch for now) and suse or commercial versions of linux. I do not really mind paying for something (and having experience with ubuntu I'd rather pay and have something pro then get it free and discover that it's unusable). So could someone please provide short list of linux distros which would be appropriate for a beginner, and I don't mind paying for it, I just want it to be a professional product.

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• Time difference between servers after disaster recovery

  - by Sandokan

  We are running an old training system based on Windows Server 2003 and XP-clients. The solution is rather simple with four servers, two of them beeing DC:s. Everything is preconfigured and that goes for backup scheme as well. The backup software is Symantec BackupExec 2010. The scheme is a standard GF-F-S routine with full backups running once a week on Sundays. The other six days run differential backups. Now let's say in a worst case scenario, a server crashes on Saturday and we have to restore it from backup. The last backup will then be six days old and thus it will come online with six days old configurations. Will this pose a problem for the other servers or will the recovered server "get in line" eventually?

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• Toshiba recovery disc doesn't give me all partition options

  - by ACarter

  I'm trying to install Windows XP on a new machine, by way of the original Toshiba XP recovery disc. (I can use a recovery disc on not-the-original machine can't I?) When I boot up with the disc in, I get to a point when it asks me how I want to install. I select the 'existing partition' option. It then gives me a dialog saying it will install into the SYSTEM partition, which is tiny. Obviously I don't want to overwrite SYSTEM, so how can I install XP on one of my empty partitions (already created)? I know it's possible to install the OS from the CD on a separate machine (just tried in a virtual one). Maybe I can move the partitions around if it just selects the first one?

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• ESXi disaster recovery plan

  - by Marlin

  I have a Vmware infrastructure where I am using the free version of Esxi 5 . I cannot as a result use vmotion and the other cool features that come with a paid ESXI. I am using snapshots for the backups but they are stored on local hard drive. I need a better backup scenario where I can recover in the event of a harddrive failure. I tried openfiler but could not get it right. What backup method can I try given my situation?

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• Oracle backup and recovery

  - by kupa

  During recovery Oracle writes the following error: RMAN-06054: media recovery requesting unknown log: thread 1 seq 9 lowscn 4034762 I have used in mount mode this command: change archivelog all crosscheck; delete expired archivelog all; Then restore and tried to recover again:But still RMAN-06054 error.Than I wrote: run{ SET UNTIL SEQUENCE 9 THREAD 1; RESTORE DATABASE; RECOVER DATABASE; } It helped me to recover database...But after that when I do the backup and then recover the same error occurs and solution is the same... I wonder to solve this problem without SET UNTIL SEQUENCE 9 THREAD 1; maybe I should unregister this archive log from control file(I am using control file not catalog) Can you tell me how?

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• Parsing: How to make error recovery in grammars like " a* b*"?

  - by Lavir the Whiolet

  Let we have a grammar like this: Program ::= a* b* where "*" is considered to be greedy. I usually implement "*" operator naively: Try to apply the expression under "*" to input one more time. If it has been applied successfully then we are still under current "*"-expression; try to apply the expression under "*" one more time. Otherwise we have reached next grammar expression; put characters parsed by expression under "*" back into input and proceed with next expression. But if there are errors in input in any of "a*" or "b*" part such a parser will "think" that in position of error both "a*" and "b*" have finished ("let's try "a"... Fail! OK, it looks like we have to proceed to "b*". Let's try "b"... Fail! OK, it looks like the string should have been finished...). For example, for string "daaaabbbbbbc" it will "say": "The string must end at position 1, delete superflous characters: daaaabbbbbbc". In short, greedy "*" operator becomes lazy if there are errors in input. How to make "*" operator to recover from errors nicely?

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• Automating failover to recovery site using SRM (API)

  - by bozitsu

  Hello, i am looking for a product that could integrate with SRM (we support following HW vendors: NetApp, EMC, Hitachi, Eternus and HP) and allow automation of failover from primary to disaster triggered by some sort of event on primary site. Is there any such product Thanks in advance, B.

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• Last step in HDD Recovery (fixing windows)

  - by Atom Computing

  My dad’s hard drive corrupted which was a result of many bad sectors. Anyway, I made a clone of the drive and have now repaired it totally (recreating the MBR and MFT) and doing a series of ChkDsk's on it. I can now see all the files and folder on it and it is all intact. I currently have it as a slave in my computer (where I was doing all the repairs). When putting it back into the computer, it comes up with "A disk read error occurred: Press Ctrl + Alt + Del to Restart". I don’t know why this is happening but think it might have something to do with file permissions. I have tried a start-up recovery on the Vista boot CD and it found no problems. When trying to apply file permissions (and creating file perms for the SYSTEM group (as it didn’t have any for SYSTEM group)) it couldn't apply them for some of the System32 folder files. I have tried applying them as admin and with as powerful privileges I can get. All to no avail. When it is in my PC I can boot it up (I added it into my bootloader) and it boots up fine except when it logs in it comes up with the error - "Rundll32.exe - Windows cannot access the specified device, path or file. You may not have the appropriate permissions to access the item" This message keeps coming back and nothing loads at all. Any help would be greatly received as I have got so far with the data recovery and want to avoid a reformat at all costs due to the vast number of programs installed and I don’t have much time on my hands! Thanks

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