Search Results

Search found 16940 results on 678 pages for 'disk drive'.

Page 471/678 | < Previous Page | 467 468 469 470 471 472 473 474 475 476 477 478  | Next Page >

  • Can a power failure or forceful shutdown damage hardware?

    - by Vilx-
    In an unrelated Internet forum I got into a discussion about hardware damage from forceful shutdowns (holding the power button for 5 seconds) and power failures. I was in the opinion that normal PC hardware does not suffer from this - after all, it's not much different than what they experience under a standard shutdown. But another person thought that it could do physical harm to the hard drive and possibly other components as well. He also said that the journaling features of filesystems are useless in face of power failures and were intended to help mitigate damage from system crashes. Now... I think this is nonsense, but then again I lack the experience and knowledge to say it with certainty. Perhaps someone else is more knowledgeable in this area and can shed light on this burning issue? :)

    Read the article

  • OVF Tools error

    - by ToreTrygg
    Hello all, I am trying to use OVF tools 1.0 to create an .ovf appliance split to 4gbs. When I run the following command: ovftool --chunkSize=4gb vi://:@/?ds= e:\test\test.ovf everything starts off fine. It will got for about 15-16% then I get this message: "Error: unable to get NFC ticket for target disk". I have looked online, but cannot find anything that matches this problem. I am using Windows 2k3 as the ovf creation server, and I'm in a ESX 3.5 environment. The ovf must be split into 4gb chunks (or less) so they can be put onto DVDs. Also, when it is done it deletes the files it started to create. Any help would be greatly appreciated.

    Read the article

  • BackupExec 12 to Bacula questions

    - by LVDave
    We have a 128 node compute cluster for environmental modeling, with a master/head node which we currently backup with a Windows2003 system running BackupExec 12 and a single HP LTO3 tape drive. We have recently ordered an Overland NEO200s 12 slot library, and are considering migrating off Windows to CentOS 5 for the backup server. The master/head node is RHEL5, with the compute nodes currently being migrated from a mix of RHEL3/4/5 to CentOS5. I'm fairly familiar with RH/Centos, but have no experience with Bacula. We've tentatively settled on Bacula as our cluster vendor recommended it. My questions are: 1) Does Bacula support an Overland NEO200s/LTO3 library? 2) Can Bacula catalog/restore tapes written by BE? and 3) I've head of Amanda, but am even more unfamiliar with it than Bacula. Any assistance would be appreciated Dave Frandin

    Read the article

  • Xcopy /exclude does not exclude some of the specified criteria

    - by Richard Z.
    Good afternoon. I want xcopy to copy all files meeting a certain criteria located in the C drive to a specific folder, except ones located in the directories specified in excl.txt. The exclusions only work partially - the files located in %systemroot%, %programfiles% and in each profile's appdata are still copied, even though those directories are listed in excl.txt. How do I make xcopy skip those directories, preferentially still using environment vars to specify the paths? My current syntax is: xcopy /s /c /d /h /i /r /y /g /f /EXCLUDE:excl.txt %systemdrive%\*.doc f:\test\ excl.txt currently contains the following: \%temp%\ \%userprofile%\appdata \%programfiles%\ \%programfiles(x86)%\ \%systemroot%\ \%programdata%\ appdata windows %programfiles% Thank you very much.

    Read the article

  • USB transfer speed "logarithmically" decreases. Why and can it be improved?

    - by starship
    I have an external hard drive. Just today I tried to copy a bigger file (it was film of ~230 MB) and at first it rushed up until ~70%. There is started decreasing. At first it started at around 56 MB/s Then it rapidly dropped to 23 MB/s (File transfer was 70% complete) Then it slowly started decreasing until it was around 2 MB/s (File was ~90% complete) When it finished the transfer it was slightly above 1.5 MB/s. To describe it graphically: If you drew a curve of the decrease it would probably resemble the graph of a logarithm function So, what I'm really asking is: "Why does this happen?" and "Is there a way around it?" Thank you!

    Read the article

  • "the user profile service failed the logon"

    - by crazybmanp
    "the user profile service failed the logon" i had gotten this error when trying to login last night. i looked it up online and found that this was caused by an error (that is still unfound, apparently) that is causing windows to mark profiles as backup, and that the best way to fix this error is to do a system restore from the repair your computer special boot option. what i would like to know is if there someone happens to know the cause of this error, as i would not like it to happen again. Computer specifications OS: Windows 7 hard-disk check completely clean "repair startup" scan and fix: clean, no problems virus scans with kaspersky: clean (while not the usual information for specifications, i felt this info was more important for this case, any other information can be asked for.

    Read the article

  • Child Folder inheriting a permission that parent folder does not have (NTFS)

    - by just.another.programmer
    I'm reconfiguring roaming profiles on my network to use proper NTFS security settings according to this article. I have reset the following permissions on the roaming profile parent folder: CREATOR OWNER, Full Control, Subfolder and files only User group with profiles, List folder, Create folders, This folder only System, Full Control, This folder, subfolders, and files Then I select one of the actual roaming profile folders and follow these steps to fix the NTFS settings: Click Security, Advanced Uncheck "Allow inheritable permissions..." Choose "Remove..." Recheck "Allow inheritable permissions..." Click "Apply" After I choose apply, I get the following permissions listed on the roaming profile folder: Administrators (MYDOMAIN\Administrators) Full Control, This folder only CREATOR OWNER, Full Control, Subfolders and files only System, Full Control, This folder, subfolders, and files Where is the Administrators entry coming from!? There is an entry on the root of the drive for Administrators to have full control, but the Roaming Profile Parent folder is not set to inherit any permissions, and it does not have the administrators permission.

    Read the article

  • Recovering drivers from previous installation?

    - by Walkerneo
    Yesterday I bought a new computer and I've been setting it up since this morning. The hard drive came with windows 7 home premium (x64) installed, but I decided to instead install windows 7 ultimate (x64) - this is what I'm currently using. Unfortunately, there were some drivers that were installed that I need in this installation. I only notice because the computer doesn't have the ethernet drivers, so I'm only able to connect to the internet via wireless. There are other drivers missing as well, but I'm not yet seeing the effects. I still have the Windows.old folder with the previous installation, which has the drivers. Is there any way to copy the necessary ones over? I tried the options for updating driver software through device manager with the path set to System32\drivers of the old installation, but it didn't find anything.

    Read the article

  • What is the purpose of a boot priority sequence or order in BIOS

    - by rbeede
    A BIOS provides multiple options for specifying an order/priority to search for boot devices. Is there really much of a purpose now to have to specify more than one possible boot device? It would seem to me it is only useful when popping in an CD/DVD to install an OS after which the common scenario is to always boot from the hard drive unless something is broken. I'm curious as to why not simply have 1 option/device to set in the BIOS and expect the user to press a key to do alternate boot instead? Is there still a scenario for having the BIOS try multiple devices in a configured order?

    Read the article

  • Ubuntu Remix on Acer Aspire One Netbook keeps freezing

    - by user7553
    It came with a Windows XP installation and I just couldn't deal with the screen constantly blacking out. Later on I found out they designed a specific key on this netbook for it. Anyways I installed Ubuntu Remix and it fixed it. However a lot of bad things are happening now. 1) If I want a long video or lots of music it will lockup after an hour. 2) Plugging it to an external monitor for more then 1 hour will black out. 3) Constantly running fsck after a lockup and then I lose nodes / fragments and what not :( I am really not sure what to do, both blacking out and lockups really mess my hard drive up. I have to manually run fsck every time it happens. My gf has the same kind of netboot w/ Remix (not the same model number) and it runs perfectly fine on hers. Except for skype eating up all her CPU.

    Read the article

  • Sharing an Apache configuration between testing vs. production

    - by Kevin Reid
    I have a personal web site with a slightly nontrivial Apache configuration. I test changes on my personal machine before uploading them to the server. The path to the files on disk and the root URL of the site are of course different between the test and production conditions, and they occur many places in the configuration (especially <Directory blocks for special locations which have scripts or no directory listing or ...). What is the best way to share the common elements of the configuration, to make sure that my production environment matches my test environment as closely as possible? What I've thought of is to use SetEnv to store the paths for the current machine in environment variables, then Include a common configuration file with ${} everywhere there's something machine specific. Any hazards of this method?

    Read the article

  • Offline installer for Windows 8?

    - by duncan12
    I have a computer repair service, and can see a few more people wanting Windows 8 updowngraded. Because of New Zealand's internet speeds it takes 1-2 hours to run the download part of the official Windows 8 upgrade tool. This means I have to go back to people the next day. I would like to keep an "offline" version of the Windows 8 upgrade tool on my flash drive, so I can avoid this inconvenience. Obviously it would still require a legit credit card etc, it just comes with the download part not needed. I cannot find such a tool. Does one exist?

    Read the article

  • Optimizing MySQL for small VPS

    - by Chris M
    I'm trying to optimize my MySQL config for a verrry small VPS. The VPS is also running NGINX/PHP-FPM and Magento; all with a limit of 250MB of RAM. This is an output of MySQL Tuner... -------- General Statistics -------------------------------------------------- [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.1.41-3ubuntu12.8 [OK] Operating on 64-bit architecture -------- Storage Engine Statistics ------------------------------------------- [--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster [--] Data in MyISAM tables: 1M (Tables: 14) [--] Data in InnoDB tables: 29M (Tables: 301) [--] Data in MEMORY tables: 1M (Tables: 17) [!!] Total fragmented tables: 301 -------- Security Recommendations ------------------------------------------- [OK] All database users have passwords assigned -------- Performance Metrics ------------------------------------------------- [--] Up for: 2d 11h 14m 58s (1M q [8.038 qps], 33K conn, TX: 2B, RX: 618M) [--] Reads / Writes: 83% / 17% [--] Total buffers: 122.0M global + 8.6M per thread (100 max threads) [!!] Maximum possible memory usage: 978.2M (404% of installed RAM) [OK] Slow queries: 0% (37/1M) [OK] Highest usage of available connections: 6% (6/100) [OK] Key buffer size / total MyISAM indexes: 32.0M/282.0K [OK] Key buffer hit rate: 99.7% (358K cached / 1K reads) [OK] Query cache efficiency: 83.4% (1M cached / 1M selects) [!!] Query cache prunes per day: 48301 [OK] Sorts requiring temporary tables: 0% (0 temp sorts / 144K sorts) [OK] Temporary tables created on disk: 13% (27K on disk / 203K total) [OK] Thread cache hit rate: 99% (6 created / 33K connections) [!!] Table cache hit rate: 0% (32 open / 51K opened) [OK] Open file limit used: 1% (20/1K) [OK] Table locks acquired immediately: 99% (1M immediate / 1M locks) [!!] InnoDB data size / buffer pool: 29.2M/8.0M -------- Recommendations ----------------------------------------------------- General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance Reduce your overall MySQL memory footprint for system stability Enable the slow query log to troubleshoot bad queries Increase table_cache gradually to avoid file descriptor limits Variables to adjust: *** MySQL's maximum memory usage is dangerously high *** *** Add RAM before increasing MySQL buffer variables *** query_cache_size (> 64M) table_cache (> 32) innodb_buffer_pool_size (>= 29M) and this is the config. # # The MySQL database server configuration file. # # You can copy this to one of: # - "/etc/mysql/my.cnf" to set global options, # - "~/.my.cnf" to set user-specific options. # # One can use all long options that the program supports. # Run program with --help to get a list of available options and with # --print-defaults to see which it would actually understand and use. # # For explanations see # http://dev.mysql.com/doc/mysql/en/server-system-variables.html # This will be passed to all mysql clients # It has been reported that passwords should be enclosed with ticks/quotes # escpecially if they contain "#" chars... # Remember to edit /etc/mysql/debian.cnf when changing the socket location. [client] port = 3306 socket = /var/run/mysqld/mysqld.sock # Here is entries for some specific programs # The following values assume you have at least 32M ram # This was formally known as [safe_mysqld]. Both versions are currently parsed. [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] # # * Basic Settings # # # * IMPORTANT # If you make changes to these settings and your system uses apparmor, you may # also need to also adjust /etc/apparmor.d/usr.sbin.mysqld. # user = mysql socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp skip-external-locking # # Instead of skip-networking the default is now to listen only on # localhost which is more compatible and is not less secure. bind-address = 127.0.0.1 # # * Fine Tuning # key_buffer = 32M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 8 sort_buffer_size = 4M read_buffer_size = 4M myisam_sort_buffer_size = 16M # This replaces the startup script and checks MyISAM tables if needed # the first time they are touched myisam-recover = BACKUP max_connections = 100 table_cache = 32 tmp_table_size = 128M #thread_concurrency = 10 # # * Query Cache Configuration # #query_cache_limit = 1M query_cache_type = 1 query_cache_size = 64M # # * Logging and Replication # # Both location gets rotated by the cronjob. # Be aware that this log type is a performance killer. # As of 5.1 you can enable the log at runtime! #general_log_file = /var/log/mysql/mysql.log #general_log = 1 log_error = /var/log/mysql/error.log # Here you can see queries with especially long duration #log_slow_queries = /var/log/mysql/mysql-slow.log #long_query_time = 2 #log-queries-not-using-indexes # # The following can be used as easy to replay backup logs or for replication. # note: if you are setting up a replication slave, see README.Debian about # other settings you may need to change. #server-id = 1 #log_bin = /var/log/mysql/mysql-bin.log expire_logs_days = 10 max_binlog_size = 100M #binlog_do_db = include_database_name #binlog_ignore_db = include_database_name # # * InnoDB # # InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/. # Read the manual for more InnoDB related options. There are many! # # * Security Features # # Read the manual, too, if you want chroot! # chroot = /var/lib/mysql/ # # For generating SSL certificates I recommend the OpenSSL GUI "tinyca". # # ssl-ca=/etc/mysql/cacert.pem # ssl-cert=/etc/mysql/server-cert.pem # ssl-key=/etc/mysql/server-key.pem [mysqldump] quick quote-names max_allowed_packet = 16M [mysql] #no-auto-rehash # faster start of mysql but no tab completition [isamchk] key_buffer = 16M # # * IMPORTANT: Additional settings that can override those from this file! # The files must end with '.cnf', otherwise they'll be ignored. # !includedir /etc/mysql/conf.d/ The site contains 1 wordpress site,so lots of MYISAM but mostly static content as its not changing all that often (A wordpress cache plugin deals with this). And the Magento Site which consists of a lot of InnoDB tables, some MyISAM and some INMEMORY. The "read" side seems to be running pretty well with a mass of optimizations I've used on Magento, the NGINX setup and PHP-FPM + XCACHE. I'd love to have a kick in the right direction with the MySQL config so I'm not blindly altering it based on the MySQLTuner without understanding what I'm changing. Thanks

    Read the article

  • Why have my Aperture referenced files disappeared without trace?

    - by Andy Harvey
    I have an Aperture library that I've been using for several years. In the past week a number of recent photos and movies have mysteriously disappeared. The missing files were all safely imported within the last week (I had reviewed some of the movies within Aperture, so know this to be true). The files were all referenced on an external drive. Within Aperture the files now have a "referenced file can't be found" icon. I've tried searching for the missing files manually, including within the Aperture library package, but they cannot be found anywhere. How can I (a) work out where the missing files have gone, and (b) identify the cause and ensure it doesn't happen again? I'm using Aperture 3.3.2.

    Read the article

  • How reliable are Compact Flash drives

    - by bakytn
    For example, USB drives have read/write limits. and they are considered as unreliable and not durable for daily use over many years. My question is, however, about Compact Flash drives. AFAIK they are built almost in the same way as USB flash drives. I was going to use one Compact Flash drive for daily usage and install a lightweight operating system to it (Linux). What kind of limitations do they have? Read/write operations? Just a time? something else? Thank you!

    Read the article

  • Content server backups

    - by Dan Sosedoff
    What is the best way to backup data on content servers? For example, I have 15 servers that just have content, no applications running on it. Each server has a 250 GB hard drive. So, it's a pretty big amount of data. All the data have external access (via HTTP). So, the question is: what methodology is best in my case? The most useful method I know is cross-backup: when each server contains its own data and backup of one other server. But, there is significant reduction in total capacity. RAID?

    Read the article

  • Apache Prefork Configuration

    - by user1618606
    I'm newbie on VPS configuration. So, I've installed apache, php and mysql and now I need to know how to configure Prefork to optimize Apache. The system configuration is: CPU Cores 2 x 2 Ghz @ 4 Ghz RAM Memory 2304 MB DDR3 Burst Memory 3 GB DDR3 Disk Space 30 GB SSD Bandwidth 3 TB SwitchPort 1 Gbps Actually, after linux, mysql, apache and php, there are 250 MB memory in use. Well, I don't have idea to calculate. I saw in some websistes, some vars like: KeepAlive On KeepAliveTimeout 1 MaxKeepAliveRequests 100 StartServers 15 MinSpareServers 15 MaxSpareServers 15 MaxClients 20 MaxRequestsPerChild 0 or StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 MaxRequestsPerChild 0 How I could to do: Prefork or worker? Where and how the vars are placed? In httpd.conf?

    Read the article

  • Ubuntu with Netatalk and Samba TimeMachine can't connect

    - by Philip
    I installed netatalk on my Ubuntu Server a few weeks ago and configured it so that I could use Timemachine from my mac to backup on a server instead of a external hard drive. It worked really good until yesterday when I installed Samba to be able to share certain folders on my server to my mac. Now I receive an error msg: There are no shares available or you are not allowed to access them on the server. Please contact your system administrator to resolve the problem. From what I understand is that the problem is on the server and not on my mac. I have tried to restart the computer and without adding any of the folders Samba is sharing adding the timemachine "afp://...@...". Is there a problem running them both at the same time, do I need to configure samba so that it doesn't reject afp? I'm pretty new at this...

    Read the article

  • My 5.1 audio system not working properly when I connect to Internet

    - by Gemboz
    I just bought a Genuis 5005 5.1 audio system, and I have an issue with it: It won't work properly when I get on the Internet (the central speaker isn't working). I also bought an Asus Xonar DG 5.1 sound card which works perfectly. I installed it and also installed the driver for it. When I play music/videos from my hard drive, all the speakers work fine, but when I connected to Internet to play videos/music, the center speaker won't work. How can I fix this issue?

    Read the article

  • Bad I/O scheduler?

    - by user62367
    os: up-to-date Fedora 14. Working as a "normal desktop". It's doing very well, but if i start VirtualBox, and e.g.: install a guest on it, it just "freezez". I mean if there are disk activities on a VirtualBox guest, then the computer becomes unrespondable..even the mouse is laggin for about 50 minutes.. What could be the bottleneck? What could be the problem? If anyone has any tips/howtos to speed it up, please help! It has a normal 2,5" HDD, with 5400 RPM. Does it worth for me if i buy a 2,5" HDD with 7200 RPM? T7200 cpu, 4 GByte RAM, "vm.swappiness = 0". Thank you!

    Read the article

  • Best way to backup and restore millions of files

    - by bongo
    Hi, I'm facing a rebuilding of the volume on which I host the mail storage (kerio mailserver, which uses maildirs). I need to backup and restore as quick as possible the 3.5+ millions (for about 600GB) small files of the store directory. It takes more than 12 hours via rsync to a NFS share, but I also have a 1TB firewire 800 raid1 disk that I can use (from some preliminary tests it's faster). I'm working off a XServe intel. What is the fastest way to do it? Rsync? Finder copy? tar?

    Read the article

  • Virtualbox 4 hangs when trying to install ubuntu guest on ubuntu host system

    - by misterjinx
    I'm trying to install ubuntu server using virtualbox 4.0.4 in a ubuntu 10.10 host OS. I have the iso image on my hard drive which I used to perform the install. I edited the settings and added this image at the storage section, selected it as a primary master, so I could boot from it and start the install process. But now, each time I start the installation, at the very beginning or if I'm lucky, after I click on the install link at the welcome screen, the process hangs and all the computer is blocked. This happened 3 times already. I even tried to perform the installation using an old CD I had with the 9.10 server version, thinking that the iso image might be the issue, but the problem still persists. I dont know what could cause this problem. My computer is a dell laptop with AMD processor (I dont know if this is important). Any help is very appreciated.

    Read the article

  • How do you remove old Windows Vista Backups?

    - by leeand00
    I've been backing up my Vista box using Complete PC backup for quite a while now, and I was just wondering how it is that you remove old backups when your backup drive is to full for another backup. I recently received the following error: The backup did not complete successfully. An error occurred. The following information might help you resolve the error: There is not enough space to save the backup files. Free up disk space or change your backup settings. (0x81000005) I don't see anything in the settings for the backup to change this. Do I have to mount the backup to delete an old backup? If so where is that file located?

    Read the article

  • Apache Prefork Configuration

    - by user1618606
    I'm newbie on VPS configuration. So, I've installed apache, php and mysql and now I need to know how to configure Prefork to optimize Apache. The system configuration is: CPU Cores 2 x 2 Ghz @ 4 Ghz RAM Memory 2304 MB DDR3 Burst Memory 3 GB DDR3 Disk Space 30 GB SSD Bandwidth 3 TB SwitchPort 1 Gbps Actually, after linux, mysql, apache and php, there are 250 MB memory in use. Well, I don't have idea to calculate. I saw in some websistes, some vars like: KeepAlive On KeepAliveTimeout 1 MaxKeepAliveRequests 100 StartServers 15 MinSpareServers 15 MaxSpareServers 15 MaxClients 20 MaxRequestsPerChild 0 or StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 MaxRequestsPerChild 0 How I could to do: Prefork or worker? Where and how the vars are placed? In httpd.conf?

    Read the article

  • Should you disable page file with SSD?

    - by Pyrolistical
    I've been reading this question, and it has a lot of great information. But assuming you have more than enough ram, I think page file should be disabled on SSD to extend the life time. I know you would lose the core dump on crash, but not many people need that information. From my understand without a page file as you reach the limit of your ram that might trigger thrashing on disk. But for SSDs there is no concept of thrashing, reads are fast. What do you guys think?

    Read the article

< Previous Page | 467 468 469 470 471 472 473 474 475 476 477 478  | Next Page >