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  • Database recovery model change notification report for SQL Server

    The database recovery model plays a crucial role for the recovery of a database. With several DBAs having access to a SQL Server instance there are bound to be changes that are not communicated. In this tip we cover a monitoring solution we deployed at our company to alert the DBAs if a database recovery model is different than what it is expected. The Future of SQL Server MonitoringMonitor wherever, whenever with Red Gate's SQL Monitor. See it live in action now.

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  • How do I make a partition usable in windows 7 after power loss?

    - by user1306322
    A few days ago I was installing some software and power went down. When I rebooted, the partition to which the software was installed was not accessible. Disk manager shows that it's there, but doesn't show type, if it's healthy and gives me an error when trying to read its properties. The problem seems to be common after power loss, people recommend solving it by assigning a letter to the partition via DiskPart utility, but partition isn't listed in my case. I can access that partition with bootable OSs (like bootable Ubuntu or winXP) and all the files are there, but another installation of Windows 7 gives me the same results as the original. I could just copy all data to another disk if there was enough space, but unfortunately the size of partition I'm having problems with is 1.1TB. How do I regain access to the partition in my original Windows 7 installation without losing any data?

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  • Check If a SQL Server Database Is In Pseudo-Simple Recovery Model Using Windows PowerShell

    Check if databases are really in FULL recovery model with a recovery model called pseudo-simple, where the database still behaves like it is still in SIMPLE recovery model until a full database backup is taken. Get your SQL Server database under version control now!Version control is standard for applications, but databases haven’t caught up. So how can you bring database development up to speed? Why should you start? Find out…

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  • Disaster Recovery - VMs

    - by Saresh
    Procedures for backing up and recovering VMs in case of a disaster The Exalytics admin guide is available here: http://docs.oracle.com/cd/E41246_01/bi.1/e39709/toc.htm, but the chapters around backup and recovery are pretty thin. This whitepaper isnt specifically for Exalytics, but plenty of good stuff around OVM backup and recovery that should get the you going http://www.oracle.com/technetwork/server-storage/vm/ovm3-backup-recovery-1997244.pdf

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  • external hard drive is no longer recognized, gives buffer I/O errors

    - by BioGeek
    Hi all, The external hard drive which contains all my photos and where I backed-up all my important documents is no longer recognized. It is a three month old 500GB Iomage Prestige Desktop Hard Drive. When I plug it in, it is recognised as a USB device, because it shows up when I type lsusb, but dmesg gives this error message. [19712.013250] usb 2-2: new high speed USB device using ehci_hcd and address 21 [19712.145347] usb 2-2: configuration #1 chosen from 1 choice [19712.147214] scsi25 : SCSI emulation for USB Mass Storage devices [19712.147514] usb-storage: device found at 21 [19712.147519] usb-storage: waiting for device to settle before scanning [19717.148978] usb-storage: device scan complete [19717.149527] scsi 25:0:0:0: Direct-Access ST350082 0AS PQ: 0 ANSI: 2 CCS [19717.151020] sd 25:0:0:0: Attached scsi generic sg2 type 0 [19717.151685] sd 25:0:0:0: [sdb] 976773168 512-byte logical blocks: (500 GB/465 GiB) [19717.160402] sd 25:0:0:0: [sdb] Write Protect is off [19717.160412] sd 25:0:0:0: [sdb] Mode Sense: 34 00 00 00 [19717.160418] sd 25:0:0:0: [sdb] Assuming drive cache: write through [19717.165685] sd 25:0:0:0: [sdb] Assuming drive cache: write through [19717.165691] sdb: sdb1 [19719.171808] sd 25:0:0:0: [sdb] Assuming drive cache: write through [19719.171818] sd 25:0:0:0: [sdb] Attached SCSI disk [19737.430998] sd 25:0:0:0: [sdb] Unhandled sense code [19737.431007] sd 25:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [19737.431016] sd 25:0:0:0: [sdb] Sense Key : Medium Error [current] [19737.431027] sd 25:0:0:0: [sdb] Add. Sense: Unrecovered read error [19737.431038] end_request: I/O error, dev sdb, sector 6160463 [19737.431050] Buffer I/O error on device sdb1, logical block 6160400 [19737.431060] Buffer I/O error on device sdb1, logical block 6160401 [19737.431067] Buffer I/O error on device sdb1, logical block 6160402 [19737.431075] Buffer I/O error on device sdb1, logical block 6160403 [19737.431082] Buffer I/O error on device sdb1, logical block 6160404 [19737.431088] Buffer I/O error on device sdb1, logical block 6160405 [19737.431096] Buffer I/O error on device sdb1, logical block 6160406 [19737.431102] Buffer I/O error on device sdb1, logical block 6160407 [19737.431114] Buffer I/O error on device sdb1, logical block 6160408 [19737.431121] Buffer I/O error on device sdb1, logical block 6160409 [19737.712183] sd 6:0:0:0: [sdb] Unhandled sense code [19737.712191] sd 6:0:0:0: [sdb] Result: hostbyte=DID_ERROR driverbyte=DRIVER_SENSE [19737.712200] sd 6:0:0:0: [sdb] Sense Key : Hardware Error [current] [19737.712210] sd 6:0:0:0: [sdb] Add. Sense: No additional sense information [19737.712222] end_request: I/O error, dev sdb, sector 0 [19737.712232] Buffer I/O error on device sdb, logical block 0 Neither does the external drive show when I use fdisk: jeroen@phalacrocorax:~$ sudo fdisk -l [sudo] password for jeroen: Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x000341ad Device Boot Start End Blocks Id System /dev/sda1 * 1 18714 150320173+ 83 Linux /dev/sda2 18715 19457 5968147+ 5 Extended /dev/sda5 18715 19457 5968116 82 Linux swap / Solaris` I popped the disk out of the casing put it on a SATA connect internally and then tried the file recovery programs testdisk/photorec and SpinRite, but both failed because they couldn't recognize the external harddisk. Do I have any other options?

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  • Windows partition UNKNOWN after Ubuntu installation attempt at dual boot - How to fix?

    - by user285645
    The idea was to install Win 7 and Ubuntu with dual boot. However, after installation, Gparted shows a /dev/sda1 as an 'unknown' filesystem and its size is 278 GB. All my windows files, data are in this partition. THen, there's /dev/sda2 with 'EXT4' filesystem (size-9.54 GB) - created during Ubuntu install. Then, there's /dev/sda3 with 'extended' filesystem (size- 10.5 GB) - created during Ubuntu install. Then, there's /dev/sda5 with 'linux swap' filesystem (size- 2 GB) - created during Ubuntu install. Then, there's /dev/sda6 with 'ext4' filesystem (size- 8.5 GB) - created during Ubuntu install. MY questions are: What exactly does this Gparted output above mean? How to recover my previous Windows 7 installation that's in /dev/sda1 (NTFS). I have some important files I need. Also, I had a PGP encryption on the disk before installing Ubuntu. Now, it just boots straight into Ubuntu... why? How to uninstall Ubuntu (the Try ubuntu and uninstall did not work. the boot-repair did not work) I have read other topics but noone has provided a proper step by step answer to how to recover my 278GB WIndows partition. The testdisk step by step procedure did not work. It says the NTFS disk is unrecognized.

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  • How can I make my primary partition larger?

    - by Hjke123
    Well i'm running 2 different distro's of linux right now and I decided to make my ubuntu partition my primary partition larger so I took 119.53 GiB out of my other distro's partition and it became unallocated and then I figured Gparted would when I right click on it to resize/move give me the option of using it to make another partition bigger but it did not so I went google searching online and in one post I saw it said you had to format the unallocated space so I formatted it to ext4 the same as my primary partition but still no options to add it to any thing what do I do?

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  • Trouble recovering MySQL InnoDB database after server crash

    - by Andy Shinn
    I had a server crash due to a broken iSCSI link (the filesystem went into read-only mode). After repairing the link and rebooting the machine (CentOS 5 / MySQL 5.1), the MySQL server would not start and gave the following error: 100603 19:11:46 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 100603 19:11:46 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... InnoDB: Warning: database page corruption or a failed InnoDB: file read of page 112541. InnoDB: Trying to recover it from the doublewrite buffer. InnoDB: Dump of the page: 100603 19:11:46 InnoDB: Page dump in ascii and hex (16384 bytes): lots of binary data 100603 19:11:46 InnoDB: Page checksum 953720272, prior-to-4.0.14-form checksum 2641912043 InnoDB: stored checksum 617821918, prior-to-4.0.14-form stored checksum 2080617765 InnoDB: Page lsn 115 2632899642, low 4 bytes of lsn at page end 2641594600 InnoDB: Page number (if stored to page already) 112541, InnoDB: space id (if created with = MySQL-4.1.1 and stored already) 0 InnoDB: Page may be an index page where index id is 0 616 InnoDB: Dump of corresponding page in doublewrite buffer: 100603 19:11:46 InnoDB: Page dump in ascii and hex (16384 bytes): more binary data 100603 19:11:46 InnoDB: Page checksum 908374788, prior-to-4.0.14-form checksum 824841363 InnoDB: stored checksum 912869634, prior-to-4.0.14-form stored checksum 2210927931 InnoDB: Page lsn 115 2635312169, low 4 bytes of lsn at page end 2633173354 InnoDB: Page number (if stored to page already) 112541, InnoDB: space id (if created with = MySQL-4.1.1 and stored already) 0 InnoDB: Page may be an index page where index id is 0 616 InnoDB: Also the page in the doublewrite buffer is corrupt. InnoDB: Cannot continue operation. InnoDB: You can try to recover the database with the my.cnf InnoDB: option: InnoDB: innodb_force_recovery=6 100603 19:11:46 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended Per the error message, I have tried setting set-variable=innodb_force_recovery=6 in the my.cnf to get to the data. This allows the MySQL server to start. But when I try to do a mysqldump of the database or a SELECT * INTO OUTFILE "filename" FROM broken_table; it seems to endlessly just export the same line over and over again. I have also tried http://code.google.com/p/innodb-tools/. But this tool fails with an error that 'blob' type is not supported. If I try to access the data using the PHP application it crashes MySQL: `100603 19:19:19 - mysqld got signal 11 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=8384512 read_buffer_size=131072 max_used_connections=2 max_threads=151 threads_connected=2 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 338317 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x15d33f0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x453aff00 thread_stack 0x40000 /usr/libexec/mysqld(my_print_stacktrace+0x24) [0x874364] /usr/libexec/mysqld(handle_segfault+0x346) [0x5c9166] /lib64/libpthread.so.0 [0x3a6e40eb10] /usr/libexec/mysqld(rec_get_offsets_func+0x30) [0x7cc310] /usr/libexec/mysqld [0x7674d8] /usr/libexec/mysqld(btr_search_info_update_slow+0x638) [0x768d48] /usr/libexec/mysqld(btr_cur_search_to_nth_level+0xc7d) [0x75f86d] /usr/libexec/mysqld [0x7dd1c1] /usr/libexec/mysqld(row_search_for_mysql+0x18b0) [0x7e03d0] /usr/libexec/mysqld(ha_innobase::general_fetch(unsigned char*, unsigned int, unsigned int)+0x7c) [0x7526fc] /usr/libexec/mysqld(handler::read_multi_range_next(st_key_multi_range**)+0x29) [0x6aed09] /usr/libexec/mysqld(QUICK_RANGE_SELECT::get_next()+0x194) [0x69a964] /usr/libexec/mysqld [0x6aafe9] /usr/libexec/mysqld(sub_select(JOIN*, st_join_table*, bool)+0x56) [0x635196] /usr/libexec/mysqld [0x63f9cd] /usr/libexec/mysqld(JOIN::exec()+0x950) [0x6497c0] /usr/libexec/mysqld(mysql_select(THD*, Item*, TABLE_LIST*, unsigned int, List&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsign ed long long, select_result*, st_select_lex_unit*, st_select_lex*)+0x17b) [0x64b34b] /usr/libexec/mysqld(handle_select(THD*, st_lex*, select_result*, unsigned long)+0x169) [0x64bc79] /usr/libexec/mysqld [0x5d34b6] /usr/libexec/mysqld(mysql_execute_command(THD*)+0x4e5) [0x5d6b45] /usr/libexec/mysqld(mysql_parse(THD*, char const*, unsigned int, char const)+0x211) [0x5dc321] /usr/libexec/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x10b8) [0x5dd3f8] /usr/libexec/mysqld(do_command(THD*)+0xe6) [0x5dd9e6] /usr/libexec/mysqld(handle_one_connection+0x73d) [0x5d036d] /lib64/libpthread.so.0 [0x3a6e40673d] /lib64/libc.so.6(clone+0x6d) [0x3a6d4d3d1d] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd-query at 0x15de5e0 = SELECT DISTINCT count(DISTINCT i.itemid) as rowscount,i.hostid FROM items i WHERE ((i.itemid BETWEEN 000000000000000 AND 0999999 99999999)) AND i.type<9 AND (i.hostid IN (10017,10047,10050,10054,10056,10059,10062,10063,10064,10065,10066,10067,10068,10069,10070,10071,10072,10073,100 74,10075,10076,10077,10078,10079,10080,10081,10082,10084,10088,10089,10090,10091,10092,10093,10094,10095,10096,10097,10098,10099,10100,10101,10102,10103,10 104,10105,10106,10107,10108,10109)) GROUP BY i.hostid thd-thread_id=3 thd-killed=NOT_KILLED The manual page at contains information that should help you find out what is causing the crash. 100603 19:19:19 mysqld_safe Number of processes running now: 0 100603 19:19:19 mysqld_safe mysqld restarted` Before recovering form an older backup as a last resort I am looking for anymore suggestions. Thanks!

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  • "Can't create table" when having to many partitions

    - by Chris
    I am currently having a problem I dont understand. Wherever I look it says mySQL (5.5) / InnoDB doesnt have a table limit. I wanted to test the InnoDB compression and was about to create an empty copy of an existing table and ran into the following problem. this one works: CREATE TABLE `hsc` ( LOTS OF STUFF ) ENGINE=InnoDB CHARSET=utf8 PARTITION BY RANGE (pid) SUBPARTITION BY HASH (cons) SUBPARTITIONS 2 (PARTITION hsc_p0 VALUES LESS THAN (10000) , PARTITION hsc_p1 VALUES LESS THAN (20000) , PARTITION hsc_p2 VALUES LESS THAN (30000) , PARTITION hsc_p3 VALUES LESS THAN (40000) , PARTITION hsc_p4 VALUES LESS THAN (50000) , PARTITION hsc_p40 VALUES LESS THAN (4000000) ); this one doesn't: CREATE TABLE `hsc` ( LOTS OF STUFF ) ENGINE=InnoDB CHARSET=utf8 PARTITION BY RANGE (pid) SUBPARTITION BY HASH (cons) SUBPARTITIONS 2 (PARTITION hsc_p0 VALUES LESS THAN (10000) , PARTITION hsc_p1 VALUES LESS THAN (20000) , PARTITION hsc_p2 VALUES LESS THAN (30000) , PARTITION hsc_p3 VALUES LESS THAN (40000) , PARTITION hsc_p4 VALUES LESS THAN (50000) , PARTITION hsc_p5 VALUES LESS THAN (75000) , PARTITION hsc_p6 VALUES LESS THAN (100000) , PARTITION hsc_p7 VALUES LESS THAN (125000) , PARTITION hsc_p8 VALUES LESS THAN (150000) , PARTITION hsc_p9 VALUES LESS THAN (175000) , PARTITION hsc_p40 VALUES LESS THAN (4000000) ); ERROR 1005 (HY000): Can't create table 'hsc' (errno: 1) Its reproducable by removing the number of partitions and adding them again. it does not have to do anything with the name of the table as i tried various names. there is also enough empty space on the HDD. /dev/simfs 230G 26G 192G 12% /var/lib/mysql.mnt There should be no limit on the partitions http://dev.mysql.com/doc/refman/5.5/en/partitioning-limitations.html Maximum number of partitions. The maximum possible number of partitions for a given table (that does not use the NDB storage engine) is 1024. This number includes subpartitions. i have increased both open_files show variables where variable_name LIKE '%open_files%'; +-------------------+-------+ | Variable_name | Value | +-------------------+-------+ | innodb_open_files | 512 | | open_files_limit | 1536 | +-------------------+-------+ No change. Any clues where should I start looking? UPDATE: the whole thing is running in an openvz environment. i saw in users_beancounters that the numflock was a problem, so i increased it. but the problem still persists. maybe this helps: ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 515011 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 515011 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited cat /proc/user_beancounters Version: 2.5 uid resource held maxheld barrier limit failcnt 200: kmemsize 9309653 13357056 14372700 14790164 0 lockedpages 0 1008 2048 2048 0 privvmpages 675424 686528 1048576 1572864 0 shmpages 33 673 21504 21504 0 dummy 0 0 9223372036854775807 9223372036854775807 0 numproc 49 90 240 240 0 physpages 243761 246945 0 9223372036854775807 0 vmguarpages 0 0 1048576 1048576 0 oomguarpages 81672 83305 1048576 1048576 0 numtcpsock 6 8 360 360 0 numflock 175 188 512 512 8 numpty 1 9 16 16 0 numsiginfo 0 48 256 256 0 tcpsndbuf 104640 263912 1720320 2703360 0 tcprcvbuf 98304 131072 1720320 2703360 0 othersockbuf 32368 89304 1126080 2097152 0 dgramrcvbuf 0 2312 262144 262144 0 numothersock 19 28 360 360 0 dcachesize 2285052 3624426 3409920 3624960 0 numfile 616 870 9312 9312 0 dummy 0 0 9223372036854775807 9223372036854775807 0 dummy 0 0 9223372036854775807 9223372036854775807 0 dummy 0 0 9223372036854775807 9223372036854775807 0 numiptent 24 24 128 128 0

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  • How to fix Windows 7 when System Recovery Options hangs?

    - by seansand
    The battery power ran out on my HP G60 laptop and it shut down. Even after recharging, Windows 7 will now not start up. After any attempted startup, it bluescreens and takes me to the "Startup Repair (recommended)" / "Start Windows Normally" console screen. "Startup Repair (recommended)" appears to be the right choice, but when I choose it, I get taken to a screen which appears to be System Recovery Options (it's the same wallpaper as the screenshots here: http://www.sevenforums.com/tutorials/668-system-recovery-options.html). However, I just get a cursor with nothing else; no "System Recovery Options" window ever pops up. (A black console screen does pop up for a split-second but too fast to be able to read the text.) The empty screen with cursor hangs indefinitely. System Recovery Options normally runs off of a partition on the laptop hard drive. When I got the laptop, I also created a System Repair Disc (in fact I have more than one) and when I try use any of them; they all result in the same wallpaper and empty screen with lone cursor. Ctrl-Alt-Del does nothing. The computer did not come with a Windows 7 installation disc, so there's no obvious way to reinstall Windows 7. Safe mode does not work; startup fails and I just get sent back to the "Startup Repair (recommended)"/"Start Windows Normally" console screen. "Start in last good state" does not work either, same result as above. Running a memory & hard disk check found no errors. Do I have any options at all? "System Recovery Options" seems to be what I want, but the screen that is supposed to take me to them just hangs.

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  • Best data recovery tools?

    - by Nonick
    So due to a recent act of stupidity and bravado, I uttered the words "backups! who needs backups?!" and what followed was the tragic loss of 260gb of data. This scenario in particular is requiring me to recover a repartitioned hard disk, but I was wondering what tools people here use in general to recover lost data. I'm sure everyone has been there, either accidentally rewriting files, resaving an old version, computer crash, hard disk death, user deletes an important document etc. So was thinking it might be an interesting point of discussion as to what you guys use to recover lost data. I appologise if this is considered irrelevant, but considering there has been a few recovery questions, I think this might be interesting.

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  • How to create an EFI System Partition?

    - by Alex Popov
    TL; DR How do I create an EFI system partition from scratch? How do I put the EFI firmware on it onces it is created? Long version I hava Toshiba T430 laptop. I received it with Windows 7 installed (but I think originally it has shipped with Windows 8). I installed Ubuntu on it, but deleted some partitions on the disk so that I ended up wiping out the Windows and only having Ubuntu. Among the deleted partitions was the EFI System partition. I discovered that Ubuntu now boots in Legacy mode (and not UEFI). I am trying to follow this guide on converting my Ubuntu installation from Legacy to UEFI. The problem - since there is no EFI partition whenever I choose from BIOS to boot using UEFI I cannot boot. That counts not only for the harddrive, but usb and DVD as well. I think this is logical - it expects an EFI partition and since it can't find it, it cannot continue booting futher, be it from HDD or DVD. So how do I recreate the EFI partition? The guide above says: Creating an EFI partition If you are manually partitioning your disk in the Ubuntu installer, you need to make sure you have an EFI partition set up. If your disk already contains an EFI partition (eg if your computer had Windows8 preinstalled), it can be used for Ubuntu too. Do not format it. It is strongly recommended to have only 1 EFI partition per disk. An EFI partition can be created via a recent version of GParted (the Gparted version included in the 12.04 disk is OK), and must have the following attributes: Mount point: /boot/efi (remark: no need to set this mount point when using the manual partitioning, the Ubuntu installer will detect it automatically) Size: minimum 100Mib. 200MiB recommended. Type: FAT32 Other: needs a "boot" flag. I had some trouble creating this partition: I boot from a live Ubuntu DVD, open GParted, create a 200MB partition and format it to FAT32. In GParted I cannot set the mount point and thus cannot set the bootflag. I didn't set the mount point in /etc/fstab since it's a live CD and fstab looked quite differently from what I expected compared to a normal boot. Anyway, I just didn't know what values to set. I booted again via the live DVD and then chose to install Ubuntu. I then created a partition with the mentioned criteria - mount point, 200MB, FAT32, boot flag. However, I continue to have this problem and I suppose it's because on that partition there is no EFI firmware, it's just an empty partition, which is suitable to have EFI firmware. So again, how do I create an EFI partition, which has the EFI software, so that the laptop can once again boot in UEFI mode?

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  • 8 Mac System Features You Can Access in Recovery Mode

    - by Chris Hoffman
    A Mac’s Recovery Mode is for more than just reinstalling Mac OS X. You’ll find many other useful troubleshooting utilities here — you can use these even if your Mac can’t boot normally. To access Recovery Mode, restart your Mac and press and hold the Command + R keys during the boot-up process. This is one of several hidden startup options on a Mac. Reinstall Mac OS X Most people know Recovery Mode as the place you go to reinstall OS X on your Mac. Recovery Mode will download the OS X installer files from teh Intenret if you don’t have them locally, so they don’t take up space on your disk and you’ll never have to hunt for an opearign system disc. Better yet, it will download up-to-date installation files so you don’t have to spend hours installing operating system updates later. Microsoft could learn a lot from Apple here. Restore From a Time Machine Backup Instead of reinstalling OS X, you can choose to restore your Mac from a time machine backup. This is like restoring a system image on another operating system. You’ll need an external disk containing a backup image created on the current computer to do this. Browse the Web The Get Help Online link opens the Safari web browser to Apple’s documentation site. It’s not limited to Apple’s website, though — you can navigate to any website you like. This feature allows you to access and use a browser on your Mac even if it isn’t booting properly. It’s ideal for looking up troubleshooting information. Manage Your Disks The Disk Utility option opens the same Disk Utility you can access from within Mac OS X. It allows you to partition disks, format them, scan disks for problems, wipe drives, and set up drives in a RAID configuration. If you need to edit partitions from outside your operating system, you can just boot into the recovery environment — you don’t have to download a special partitioning tool and boot into it. Choose the Default Startup Disk Click the Apple menu on the bar at the top of your screen and select Startup Disk to access the Choose Startup Disk tool. Use this tool to choose your computer’s default startup disk and reboot into another operating system. For example, it’s useful if you have Windows installed alongside Mac OS X with Boot Camp. Add or Remove an EFI Firmware Password You can also add a firmware password to your Mac. This works like a BIOS password or UEFI password on a Windows or Linux PC. Click the Utilities menu on the bar at the top of your screen and select Firmware Password Utility to open this tool. Use the tool to turn on a firmware password, which will prevent your computer from starting up from a different hard disk, CD, DVD, or USB drive without the password you provide. This prevents people form booting up your Mac with an unauthorized operating system. If you’ve already enabled a firmware password, you can remove it from here. Use Network Tools to Troubleshoot Your Connection Select Utilities > Network Utility to open a network diagnostic tool. This utility provides a graphical way to view your network connection information. You can also use the netstat, ping, lookup, traceroute, whois, finger, and port scan utilities from here. These can be helpful to troubleshoot Internet connection problems. For example, the ping command can demonstrate whether you can communicate with a remote host and show you if you’re experiencing packet loss, while the traceroute command can show you where a connection is failing if you can’t connect to a remote server. Open a Terminal If you’d like to get your hands dirty, you can select Utilities > Terminal to open a terminal from here. This terminal allows you to do more advanced troubleshooting. Mac OS X uses the bash shell, just as typical Linux distributions do. Most people will just need to use the Reinstall Mac OS X option here, but there are many other tools you can benefit from. If the Recovery Mode files on your Mac are damaged or unavailable, your Mac will automatically download them from Apple so you can use the full recovery environment.

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  • Data Recovery using testDisk failing!

    - by iamcreasy
    I am trying to recover an accidentally formatted partition using testDisk, After selecting the partition[pic 1] and selecting Undeleted[pic 1], it says, No deleted file found.[pic 2] 1 2 I know it's a silly question, but I just want to make sure that those data are really out of reach. Or is there anything I can do to recover them? :( I tried to repair my partition table using bootrec.exe/FixMBR & bootrec.exe/FixBoot, can this be the reason why testdisk can't work anymore? I haven't written anything on that partition. Is there any low level approach to retrieve all the lost data?

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  • Files missing after copying from one sdcard to another using Ubuntu 12.04

    - by Abhi Kandoi
    I have two Kingston sdcards 8GB and 32GB. The 8GB for HTC Sensation and 32GB for my Tablet (Chinese). I soon ran out of space on my phone and decided to swap the data between the sdcards. I copied the data of 32GB sdcard to my PC(with Ubuntu 12.04) deleted everything on the 32GB sdcard and copied data from the 8GB sdcard to the other sdcard. At last I copied the data from my PC to the 8GB sdcard(before this I deleted everything that was on it before). Now the problem is that the 8GB sdcard has the data exactly the same, but the 32GB sdcard has some missing data. All my photos(not copied or posted on Facebook) and Songs are lost. Please help as to what I can do to get my data back? I have Android Revolution HD (ICS 4.0.3) on my rooted HTC Sensation (India). I suspect it has something to do with my data loss.

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  • Recover lost NTFS partition on SSD

    - by Emil
    Hello, About 2 month ago I upgraded my Dell Latitude E6500 laptop with a Corsair Force F120 SSD drive. Everything worked well until about a week or so back. I started the computer and was faced with a beep and a message saying "No boot sector on Internal HDD (IRRT). No bootable devices". Since I figured that the boot sector had somehow got corrupt I tried booting from the Windows 7 dvd in order to repair the boot sector. But the Windows 7 installation program only found a blank drive with 111GB of unallocated space. I panicked and brought the drive with me to work to let a colleague have a look at it. We made a disk image of the entire drive and ran the drive through Testdisk in Linux. Testdisk did not find any partitions. It appears that the drive has been completely erased... What has happened? What is causing this behavior on an SSD?

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  • SpinRite and USB blues - does a solution exist?

    - by Peter Mortensen
    I use SpinRite to recover hard disks and their content, and to a lesser degree for preventive maintenance. However, if a USB drive (USB thumb drive and/or external hard disk with a USB interface) is connected when SpinRite scans for devices, then SpinRite never finishes/hangs. The work-around is of course to disconnect the drive, but there is value in being able to use SpinRite on USB drives. Some external drives have no screws and it is difficult to take out the hard disk without damaging the casing. And for those that have it would save the disassembling time. Is there a way to fix this problem (e.g. BIOS changes or a modified SpinRite boot CD) without resorting to floppy disks?

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  • Missing partition on a single HDD

    - by r0ca
    Hi all, I reinstalled Windows XP over a windows 7 Ultimate. I have a SATA HDD (320go) and now that I installed Windows XP pro, I only see a C:\ drive with 130go. So basically, my 2 other partitions are gone... where?!?! In my computer I only see the C:\ drive. In Computer Management, I only see Disk0 as my C:\ drive. 130go still. Is there an apps that can recover my 2 "lost" partitions or I would need to perform something else? Thanks! David.

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  • Recovering Pictures & Movies from Formatted Memory Card

    - by Donotalo
    I thought I've copied all of the pictures and videos that I've taken using my digital camera Canon Digital IXUS 860 IS to my computer. Then I format the memory card. Then I found I didn't take all of the files! I don't have any other means of connecting the memory card to computer except via the camera. But the camera doesn't show it as a removable device directly in my computer so programs like Glary Utilities and PC Inspector didn't find the drive. I didn't take any picture after I formatted it. Is there any free software that can help me to get the pictures and videos? My memory card is an 4 GB SDHC card. Thanks.

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  • partition alignment on fresh windows 2003 ent server

    - by Datapimp23
    Hi, I have this server which has it's physical disks in RAID 5 controlled by a 3com raid controller. size of the stripe unit is unknown for the moment (Can check tomorrow in the office). I need to install windows server 2003 ENT and create 2 partitions (OS, Data). I'd like to create the partitions before the installation on windows server. They have to be aligned properly. I have the newest version of gparted on a disc but I have no clue if this is the right tool. Can someone point me in the right direction? Thanks

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  • df shows partition as full, but du shows it as only 25% full

    - by Jakobud
    I have a humble linux server to do some stuff for me. I only have an old 16gig drive in it. df -h Filesystem Size Used Avail Use% Mounted on /dev/md1 16G 16G 0 100% / /dev/md0 121M 14M 101M 13% /boot tmpfs 502M 0 502M 0% /dev/shm but when I do: du -sh / 3.5G / So one says that my 16G drive is full. The other says only 3.5G is used. Why the discrepancy? I cannot write any new files as it says the drive is indeed full. But if I can't find the files taking up all the space on the file-system, how can I delete them to free up space?

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  • Is there any way to recover files in /usr/local directory on Ubuntu?

    - by Ilya
    We are running Ubuntu server on VPS. Some files were removed accidentally by placing unnecessary space this command: rm -r /usr/local <directory to be deleted> I know, that in most cases this directory is used by packages to place some part of their content. Is there any where to recover deleted files and directories? I suppose, that theoretically it should be possible. Some software can look through the list of installed packages, check presence of files in file system and recover or reinstall corrupted packages if their file are missing in /usr/local.

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