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  • Remote Desktop to Server 2008 fails from one particular Win7 client

    - by Jesse McGrew
    I have a VPS running Windows Web Server 2008 R2. I'm able to connect using Remote Desktop from my home PC (Windows 7), personal laptop (Windows 7), and work laptop (Windows XP). However, I cannot connect from my work PC (Windows 7). I receive the error "The logon attempt failed" in the RDP client, and the server event log shows "An account failed to log on" with this explanation: Subject: Security ID: NULL SID Account Name: - Account Domain: - Logon ID: 0x0 Logon Type: 3 Account For Which Logon Failed: Security ID: NULL SID Account Name: username Account Domain: hostname Failure Information: Failure Reason: Unknown user name or bad password. Status: 0xc000006d Sub Status: 0xc0000064 Process Information: Caller Process ID: 0x0 Caller Process Name: - Network Information: Workstation Name: JESSE-PC Source Network Address: - Source Port: - Detailed Authentication Information: Logon Process: NtLmSsp Authentication Package: NTLM Transited Services: - Package Name (NTLM only): - Key Length: 0 I can connect from the offending work PC if I start up Windows XP Mode and use the RDP client inside that. The server is part of a domain but my account is local, so I'm logging in using a username of the form hostname\username. None of the clients are part of a domain. The server uses a self-signed certificate, and connecting from home I get a warning about that, but connecting from work I just get the logon error.

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  • Windows XP corrupts registry every several hours

    - by Ilya Kazakevich
    There is a Dell XPS 400 with Windows Media Center installer. It is installed on RAID (Intel Matrix Storage) which is built-in chipset south bridge. Raid has two 150 Gb WDC drivers connected as mirror. All drivers and updates are installed( sp3 and so on). A week ago PC changed its video mode to 256 colors (like VESA mode) and after several moments I got BSOD: c000021a: 0xc0000005 Doctor watson did not create dump although it is installed as default debugger. After reboot it said that config file is missing or corrupted. So, I boot to recovery console and found that registry file (config) is so small. I've replaced it with one from recovery point and windows booted sucessfully. But after about 3 hrs -- it has crashed again in the same wat! I look in event viewer: is said that Explorer.exe failed to open \global??\DLIAFS. I look in winobj, and found that it is a device. I made "deny from everyone" for this device ACL, and after several hours my windows crashed. I restored registry, boot again and there was no error about DLIAFS. I did full chkdsk and it did not found anything bad. But I found event about error paging to \Harddrive1\D. I do not have pagefile there, but I thought I should check my disk again. Unfortunatelly I cannt use smart tools for RAID, but I downloaded latest software from Intel (it can do the same things like RAID bios can but from windows). It verified my disks, found some errors, fix them, than I rebooted. And it crashed again. I am lost. What (except kernel debugging) could be done here? Thanks

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  • Windows XP corrupts registry every several hours

    - by Ilya Kazakevich
    There is a Dell XPS 400 with Windows Media Center installer. It is installed on RAID (Intel Matrix Storage) which is built-in chipset south bridge. Raid has two 150 Gb WDC drivers connected as mirror. All drivers and updates are installed( sp3 and so on). A week ago PC changed its video mode to 256 colors (like VESA mode) and after several moments I got BSOD: c000021a: 0xc0000005 Doctor watson did not create dump although it is installed as default debugger. After reboot it said that config file is missing or corrupted. So, I boot to recovery console and found that registry file (config) is so small. I've replaced it with one from recovery point and windows booted sucessfully. But after about 3 hrs -- it has crashed again in the same wat! I look in event viewer: is said that Explorer.exe failed to open \global??\DLIAFS. I look in winobj, and found that it is a device. I made "deny from everyone" for this device ACL, and after several hours my windows crashed. I restored registry, boot again and there was no error about DLIAFS. I did full chkdsk and it did not found anything bad. But I found event about error paging to \Harddrive1\D. I do not have pagefile there, but I thought I should check my disk again. Unfortunatelly I cannt use smart tools for RAID, but I downloaded latest software from Intel (it can do the same things like RAID bios can but from windows). It verified my disks, found some errors, fix them, than I rebooted. And it crashed again. I am lost. What (except kernel debugging) could be done here? Thanks

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  • VMWare Workstation Linux Host performance tuning

    - by Hoghweed
    I need to improve my linux hosted vmware workstation for using multiple virtual machines at the same time. I feel very stupid I lost a great blog post link which I found last month (and I'm not able to find it again..) so I try to ask here if anyone can help me: This is my host (laptop): 16GB DDR3 Ram HDD Hybrid 750GB 7200 (8GB SSD Cache) Mint 15 x64 Kernel 3.9.7 swappiness set to 10 The above are the important things about the host. So, My need is the ability to run 2 or 3 VMs at the same time. The lack of performance is about the disk, The last time from that blog post I lost, I setup /tmp to be mounted ad a memory partition and in my previous installation that was good, now I'm not able to find a good solution to tweak the things. I think with 16GB o RAM there will be no problems to run multiple VMs, but whe they start to swap or use the /tmp things going bad (guest cursor going too fast after a freeze, guest freeze and so on) Anyone can help me to fit a good host tweak and configuration to get better performance? Thanks in advance

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  • Finding ALL currently used IP addresses of Website

    - by Patrick R
    What steps would you take to discover all (or close to all) IP addresses that are currently used by a website? How would you be as exhaustive as possible without calling a website admin and asking for the list of IP addresses? ;) nslookup works but will vary based on dns server queried. whois is another good tool. Dig, not bad. Let's use Facebook for example. I'm blocking that site for the majority our our company's users, but some are approved for "research". I can not easily use OpenDNS because we all appear to come from the same request IP address. I could change that but don't want to add more vlans than I already have. I also could use block something like regex facebook1 "facebook\.com" (I'm running a cisco firewall) but that's pretty easy to sidestep. All that being said, I'm asking about specifically about finding ip addresses for a domain and not for other methods that I can block a domain name.

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  • Blinking power button

    - by Mike Ramsey
    A friend asked me to look at his Gateway DX4640 desktop. When he presses the power button, power goes to the mobo (NVIDIA nForce 630i MCP73PV, GeForce 7100 chipset) and the CPU fan starts spinning. The power button slowely blinks on and off (blue) and the screen briefly says no signal and then goes black. And nothing else; no post code beeps. My initial two conjectures were: 1. Vista was stuck in sleep/hibernation mode, or 2. A power off had left the mobo in a bad state. The fix for both is to: a) Unplug the AC power cord b) hold the power button for 30 second to fully discharge the mobo It didn't help. I left the system unplugged from AC power for an hour. No change. I am out of ideas. Has anybody seen anything like this before? What does a blinking blue power button mean? How can I get more data points to guide trouble shooting? --Thank you, --Mike

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  • Recovering a damaged microSDHC

    - by djechelon
    I just bought from eBay a Kingston 32GB microSDHC that was advertised as defective. The seller said that there could be formatting problems or with transfer of large files. Unfortunately, when I got it, it was a total mess. My Nikon camera doesn't read it at all (OK, maybe it doesn't support 32GB) My Linux laptop doesn't mount it: can't read superblock The same laptop refuses to mkfs.msdos because it failed whilst writing reserved sector The same laptop, under Windows, doesn't read nor format the card HTC HD2 mounts the MMC, allows me to write via USB, but is unable to open the just written files OK, folks, now you would say I would have to go through Paypal complaint... that's not that easy. I consciously bought a half-price card that was known to show some defects, and Paypal complaints take time. Obviously, I can't accept somebody sold me a completely use-less computer decoration. So I'll keep it as last option. My question is Do you know a way, under either Linux or Windows, to thoroughly scan, test and possibly repair memory cards, even if I have to lose some percentage of space because of bad sectors? If I can keep at least half of the card intact it would certainly be fine. I used to do broken sector marking with hard disks in the past. I almost forgot: MONSTR:/home/djechelon # fsck /dev/mmcblk0p1 fsck from util-linux-ng 2.17.2 dosfsck 3.0.9, 31 Jan 2010, FAT32, LFN Read 512 bytes at 0:Input/output error

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  • Group Policy Software Installs Too Silent on Windows 7

    - by jonblock
    I'm trying to migrate a Windows XP deployment process to Windows 7. The process has been surprisingly smooth, after figuring out how to bring up a base system. We rely heavily on Group Policy software installation, which in XP can mean long periods on any given morning sitting around watching the machine install new updates. At least the typical Windows Installer message shows the user that something is indeed happening. As far as I can tell, Windows 7 retains the startup installation process (good), but eliminates the on-screen message to indicate what's happening (bad). All a user will see, possibly for a half-hour or more if they haven't restarted for a while, is the electric hamster wheel and the words "Please wait...". I forsee a significant increase in support calls... If you're familiar with msiexec.exe parameters, XP behaves like /qb-, and 7 behaves like /qn. I want the /qb- behavior back. Is there a way to re-enable the Windows Installer notices for Group Policy startup installations?

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  • Cyrus: In practical terms, how do end users administer their shared mailboxes?

    - by Nick
    Let's say we have four customer service reps: Billy, Bob, Joe, and Tom. Tom is the department manager. There's a shared Customer Service mailbox on the Cyrus server that they all have access to. Tom, as the manager also has administrative privileges for the shared mailbox. They decide they want to create sub-folders a certain way, and Tom creates them. They're all running Thunderbird, so Tom right-clicks the main folder and chooses "New Subfolder". Now Tom has the Subfolders he needs and the other sales reps have... nothing! Because Cyrus created the Subfolders giving Tom "Full Access" permissions, and everyone else gets no access. So how does Tom give the other reps in his department access to the new folders? As far as Cyrus is concerned, Tom has permission to grant others access to his new mailboxes- But as far as I can tell, there's no option in Thunderbird for granting mailbox permissions. An IT staff member should not have to receive a support request every time someone wants to add a Subfolder to a shared mailbox. That's why we make certain users into mailbox admins in the first place! But asking (non-technical) users to SSH into an IMAP server to run cyradm seems like a bad idea too. Certainly someone has found a solution for this dilemma. Perhaps a Thunderbird extension for setting Cyrus permissions? Or something like umask that forces subfolders to have identical permissions to their parents on creation? And related, what about Sieve configuration? Is there anyway that can be done from the client machine too? Thanks, Nick

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  • SMTP error goes directly to Badmail directory after Queue

    - by Sergio López
    This is the error I got in the .BDR Unable to deliver this message because the follow error was encountered: "This message is a delivery status notification that cannot be delivered.". The specific error code was 0xC00402C7. The message sender was <. The message was intended for the following recipients. [email protected] This is the .bad file I got in the badmail error, Can anyone help me ? I´m getting this error from every mail I try to deliver from several php apps and other apps, the relay is only for 2 ip adresses 127.0.0.1 and the server ip, I telnet the smtp and it seems to work fine the mail go to the queue folder... Im stucked From: postmaster@ALRSERVER02 To: [email protected] Date: Mon, 22 Aug 2011 18:39:38 -0500 MIME-Version: 1.0 Content-Type: multipart/report; report-type=delivery-status; boundary="9B095B5ADSN=_01CC61236DC6DEED00000001ALRSERVER02" X-DSNContext: 7ce717b1 - 1378 - 00000002 - C00402CF Message-ID: Subject: Delivery Status Notification (Failure) This is a MIME-formatted message. Portions of this message may be unreadable without a MIME-capable mail program. --9B095B5ADSN=_01CC61236DC6DEED00000001ALRSERVER02 Content-Type: text/plain; charset=unicode-1-1-utf-7 This is an automatically generated Delivery Status Notification. Delivery to the following recipients failed. [email protected] --9B095B5ADSN=_01CC61236DC6DEED00000001ALRSERVER02 Content-Type: message/delivery-status Reporting-MTA: dns;ALRSERVER02 Received-From-MTA: dns;ALRSERVER02 Arrival-Date: Mon, 22 Aug 2011 18:39:38 -0500 Final-Recipient: rfc822;[email protected] Action: failed Status: 5.3.5 --9B095B5ADSN=_01CC61236DC6DEED00000001ALRSERVER02 Content-Type: message/rfc822 Received: from ALRSERVER02 ([74.3.161.94]) by ALRSERVER02 with Microsoft SMTPSVC(7.0.6002.18264); Mon, 22 Aug 2011 18:39:38 -0500 Subject: =?utf-8?Q?[MantisBT]_Reinicializaci=C3=B3n_de_Contrase=C3=B1a?= To: [email protected] X-PHP-Originating-Script: 0:class.phpmailer.php Date: Mon, 22 Aug 2011 17:39:38 -0600 Return-Path: [email protected] From: Alr Tracker Message-ID: X-Priority: 3 X-Mailer: PHPMailer 5.1 (phpmailer.sourceforge.net) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" X-OriginalArrivalTime: 22 Aug 2011 23:39:38.0020 (UTC) FILETIME=[C182E640:01CC6124] Si solicitó este cambio, visite la siguiente URL para cambiar su contraseña: Usuario: slopez Dirección IP remota: 189.191.159.86 NO RESPONDA A ESTE MENSAJE --9B095B5ADSN=_01CC61236DC6DEED00000001ALRSERVER02--

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  • YUM error. Is this a cert error

    - by Julia Roberts
    Nov 13 13:38:57 host abrt: detected unhandled Python exception in '/usr/bin/yum' Nov 13 13:38:57 host abrtd: New client connected Nov 13 13:38:57 host abrt-server[3508]: Saved Python crash dump of pid 3151 to /var/spool/abrt/pyhook-2012-11-13-13:38:57-3151 Nov 13 13:38:57 host abrtd: Directory 'pyhook-2012-11-13-13:38:57-3151' creation detected Nov 13 13:38:57 host abrtd: Can't load public GPG key /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-beta Nov 13 13:38:57 host abrtd: Can't load public GPG key /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-legacy-former Nov 13 13:38:57 host abrtd: Can't load public GPG key /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-legacy-release Nov 13 13:38:57 host abrtd: Can't load public GPG key /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-legacy-rhx Nov 13 13:38:57 host abrtd: Can't load public GPG key /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release Nov 13 13:38:57 host abrtd: Package 'yum' isn't signed with proper key Nov 13 13:38:57 host abrtd: 'post-create' on '/var/spool/abrt/pyhook-2012-11-13-13:38:57-3151' exited with 1 Nov 13 13:38:57 host abrtd: Corrupted or bad directory /var/spool/abrt/pyhook-2012-11-13-13:38:57-3151, deleting There is also nothing in the crash dump file. Ideas? yum update Loaded plugins: fastestmirror, rhnplugin, security An error has occurred: Internal Server Error See /var/log/up2date for more information Is yum broken

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  • ESX 4.0 space: DASD, NAS, or ?

    - by thormj
    I put together an ESX box for better management, but its performance is a WTF item; I'm a noob at dealing with ESX, so I'm looking for a laundry-list of reading material to help me straighten this out so I can go back to .NET programming. Current storage system: We're running Raid5+Hotspare (8x500 GB spindles) on a PERC6i on a Dell 2910. Due to ESX limitatios, the PERC is showing the storage as 1x2TB + 1x800GB "partitions." I'm not sure of the setup's configuration (stride / stripe / ???) at all. Our Applications We have a SBS server as well as a minor (2x50 GB, but growing at 10GB/month) database server... Our application that lives on the database VM is CPU and I/O insense; it's a database churning excercise mixed in with a lot of computation on the data (fixing that performance is what I'm supposed to be working on)... Perfomance Issue When I do a backup, restore, or worse (copy a backup from 1 vm to another to move it to the QA VM), the entire system slows to a crawl (even "unrelated" VMs). I originally thought a DASD situation would be quite good since you had PCI-x bandwidth, but the systemwide slowdown is killing productivity. Questions What should I do to make an intelligent decision about NAS vs RAID vs SAN vs DASD? Are there sweet spots/ugly spots in the storage setup? Can you use a SSD PCI-X card in ESX for the tempdb? Good/Bad idea? Is there any way to "share" some image in a copy-on-write fashion? Most of the "Backup-Copy-Restore" is to "put a clean image on the dev boxes"; if I could have them "share" the master image, the "big copy" (2x50 GB) would only need to be done once per week instead of once per dev per week...[runtime performance isn't a concern with the dev boxes, but the backup/copy/restore kills production, SBS, and everything else on the box]

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  • Formatted C: from Windows 7 setup, now it won't even install

    - by ocurro
    Help, I'm so confused. I did more or less what's been described here: I formatted Vista and installed Windows 7 over it. Problem is that I'm now unable to boot (...) [1] I'm installing Seven on top of Vista on ACER AS1410 Notebook When it comes to the part where I choose where to install, I pick the partition labeled C: but instead of keeping windows.old files (what would I want them for?) I choose to go and carelessly format the partition (my bad). It shows me this error: Setup was unable to create a new system partition or locate an existing system partition. See the Setup log files for more information Now the only option is "Load Driver". i have tried installing every single one from ACER website, none of them are useful. I even flashed orig. BIOS. I've tried going back and choose "Repair" like in the picture:[2] but I only get an error: "Failed to save startup options" I think this is weird, what else can I do? [1] superuser.com/questions/117076/formatting-of-an-xp-vista-dual-boot-machine-now-unable-to-boot-up-xp [2] www.howtogeek.com/wp-content/uploads/2007/08/image51.png

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  • Access denied error 3221225578 with file sharing to Windows server

    - by Ian Boyd
    i'm trying to access the shares on a server. The credential box appears, and i enter in a correct username and password, and i get access denied. The silly thing is that i can Remote Desktop to the server (using the same credentials), and i can check the Security event log for the access denied errors: Event Type: Failure Audit Event Source: Security Event Category: Account Logon Event ID: 681 Date: 3/19/2011 Time: 11:54:39 PM User: NT AUTHORITY\SYSTEM Computer: STALWART Description: The logon to account: Administrator by: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0 from workstation: HARPAX failed. The error code was: 3221225578 and Event Type: Failure Audit Event Source: Security Event Category: Logon/Logoff Event ID: 529 Date: 3/19/2011 Time: 11:54:39 PM User: NT AUTHORITY\SYSTEM Computer: STALWART Description: Logon Failure: Reason: Unknown user name or bad password User Name: Administrator Domain: stalwart Logon Type: 3 Logon Process: NtLmSsp Authentication Package: NTLM Workstation Name: HARPAX Looking up the error code (3221225578), i get an article on Technet: Audit Account Logon Events By Randy Franklin Smith ... Table 1 - Error Codes for Event ID 681 Error Code Reason for Logon Failure 3221225578 The username is correct, but the password is wrong. Which would seem to indicate that the username is correct, but the password is wrong. i've tried the password many times, uppercase, lowercase, on different user accounts, with and without prefixing the username with servername\username. What gives that i cannot access the server over file sharing, but i can access it over RDP?

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  • Should I upgrade to Symantec Endpoint Protection?

    - by Alex C.
    I'm the IT manager at an animal shelter in Upstate New York. We have a Windows network with about 50 desktops running Windows XP Pro. We used to use CA eTrust Antivirus, but that product didn't work too well (too many infections got through). About six months ago, we switched to using Symantec Antivirus Corporate Edition ver. 10.1.8.8000. If anything, the Symantec product is even worse. The last six weeks in particular have been very bad -- we've had about seven or eight PCs get hit with those malware infections that masquerade as antivirus software. In most of those cases, Symantec didn't even flag the malware at all. So... what gives with the Symantec Antivirus? As far as I can tell, it's installed correctly and downloading updated definitions nightly. I can upgrade to Symantec Endpoint Protection for $220 (we get non-profit pricing), but I don't want to do it if it's not going to be significantly better. Any advice? Should I switch to something else entirely? Thanks!

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  • Is encryption really needed for having network security? [closed]

    - by Cawas
    I welcome better key-wording here, both on tags and title. I'm trying to conceive a free, open and secure network environment that would work anywhere, from big enterprises to small home networks of just 1 machine. I think since wireless Access Points are the most, if not only, true weak point of a Local Area Network (let's not consider every other security aspect of having internet) there would be basically two points to consider here: Having an open AP for anyone to use the internet through Leaving the whole LAN also open for guests to be able to easily read (only) files on it, and even a place to drop files on Considering these two aspects, once everything is done properly... What's the most secure option between having that, or having just an encrypted password-protected wifi? Of course "both" would seem "more secure". But it shouldn't actually be anything substantial. I've always had the feeling using any kind of the so called "wireless security" methods is actually a bad design. I'm talking mostly about encrypting and pass-phrasing (which are actually two different concepts), since I won't even consider hiding SSID and mac filtering. I understand it's a natural way of thinking. With cable networking nobody can access the network unless they have access to the physical cable, so you're "secure" in the physical way. In a way, encrypting is for wireless what building walls is for the cables. And giving pass-phrases would be adding a door with a key. So, what do you think?

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  • Forcing a particular SSL protocol for an nginx proxying server

    - by vitch
    I am developing an application against a remote https web service. While developing I need to proxy requests from my local development server (running nginx on ubuntu) to the remote https web server. Here is the relevant nginx config: server { server_name project.dev; listen 443; ssl on; ssl_certificate /etc/nginx/ssl/server.crt; ssl_certificate_key /etc/nginx/ssl/server.key; location / { proxy_pass https://remote.server.com; proxy_set_header Host remote.server.com; proxy_redirect off; } } The problem is that the remote HTTPS server can only accept connections over SSLv3 as can be seen from the following openssl calls. Not working: $ openssl s_client -connect remote.server.com:443 CONNECTED(00000003) 139849073899168:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:177: --- no peer certificate available --- No client certificate CA names sent --- SSL handshake has read 0 bytes and written 226 bytes --- New, (NONE), Cipher is (NONE) Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE --- Working: $ openssl s_client -connect remote.server.com:443 -ssl3 CONNECTED(00000003) <snip> --- SSL handshake has read 1562 bytes and written 359 bytes --- New, TLSv1/SSLv3, Cipher is RC4-SHA Server public key is 1024 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE SSL-Session: Protocol : SSLv3 Cipher : RC4-SHA <snip> With the current setup my nginx proxy gives a 502 Bad Gateway when I connect to it in a browser. Enabling debug in the error log I can see the message: [info] 1451#0: *16 peer closed connection in SSL handshake while SSL handshaking to upstream. I tried adding ssl_protocols SSLv3; to the nginx configuration but that didn't help. Does anyone know how I can set this up to work correctly?

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  • filesystem compatible with freenas and windows

    - by Daniel
    Hi all, I'm planning on using FreeNAS (was considering openfiler but freenas seems simpler) for my home NAS box running off ESXI. I have managed to get local sata drives to mount in ESXI (http://serverfault.com/questions/216902/esxi-add-datastore-without-partitioning). I've had one of the drives fail on my before and I was able to retrieve most of the data off it using windows tools (I'm not much of a linux guy I know enough to be dangerous!). If I go the freenas route in the event that something goes bad what would be the best file system to use so that I could pop the drive out of the freenas box (vm) and put it in another pc running windows so I could try and run various recovery tools to get the data back. All in all its not a major problem if I lose the data just would be a bit annoying, so I'm not looking for suggestions around backing up etc. I was considering using NTFS that the drives are already formatted as but it appears that while freenas does support NTFS that its a bit buggy and not 100% reliable, anyone know if this is still true? Read that on a forum somewhere.

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  • FreeBSD ZFS RAID-Z2 performance issues

    - by Axel Gneiting
    I'm trying to build my own network attached storage based on FreeBSD+ZFS+standard components, but there are strange performance issues. The hardware specs are: AMD Athlon II X2 240e processor ASUS M4A78LT-M LE mainboard 2GiB Kingston ECC DDR3 (two sticks) Intel Pro/1000 CT PCIe network adapter 5x Western Digital Caviar Green 1.5TB I created a RAID-Z2 zpool from all disks. I installed FreeBSD 8.1 on that zpool following the tutorial. The SATA controllers are running in AHCI mode. Output of zpool status: pool: zroot state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 raidz2 ONLINE 0 0 0 gptid/7ef815fc-eab6-11df-8ea4-001b2163266d ONLINE 0 0 0 gptid/80344432-eab6-11df-8ea4-001b2163266d ONLINE 0 0 0 gptid/81741ad9-eab6-11df-8ea4-001b2163266d ONLINE 0 0 0 gptid/824af5cb-eab6-11df-8ea4-001b2163266d ONLINE 0 0 0 gptid/82f98a65-eab6-11df-8ea4-001b2163266d ONLINE 0 0 0 The problem is that write performance on the pool is very very bad (<10 MB/s) and every application that is accessing the disk is unresponsive every few seconds when writing. It seems like writing is fine until the ZFS ark cache is full and then ZFS stalls the entire system I/O till it's finished writing that data. Also I'm getting kmem_malloc to small kernel panics. I've already tried to put vm.kmem_size="1500M" vm.kmem_size_max="1500M" into /boot/loader.conf, but it doesn't help. Does anyone know what's going on here? Am I really not having enough memory for ZFS to handle this RAID-Z2?

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  • Clipboard bug in Wordpad in Windows 7 (accidentally pasting large file into application)

    - by frenchglen
    In Win7, I use Wordpad, and I really like it. For my needs it's lean and fast, yet has the formatting functionalities I'm after when working on my TXT/RTF files on a daily basis. I don't intend to change text editors. There's a really bad bug which has ALWAYS plagued me. If you have a large file contained in the clipboard, like a 238MB FLAC file, and you accidentally paste it into Wordpad for whatever reason - it hangs the application for a VERY long time (like 2 hours, it depends on how big the file is, because it tries to 'handle' it). You either have to close the application and lose any unsaved changes, or go do something else until the item has finished pasting into Wordpad (it actually eventually drops the file's icon in wordpad just like how it appears in Windows Explorer). It's a Windows bug, a Wordpad bug. Is there some solution for this? Or is the problem fixed in Windows 8 (if anyone can tell me)? .....I'm not going to try out Win8 myself, merely to answer this question - that's what I'm asking it on SuperUSer for! I'm really hoping it's one of those little-yet-big things that they've fixed in Win8 (like removing the 255-character file path limit in Explorer, which is awesome). Thank you for your help, if you have Win8 handy and can test this. :)

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  • Is current SATA 6 gb/s equipment simply unreliable?

    - by korkman
    I have a 45-disk array of Seagate Barracuda 3 TB ST3000DM001 (yes these are desktop drives I'm aware of that) in a Supermicro sc847 JBOD, connected via LSI 9285. I have found a solution for the problem description below by reducing speed via MegaCli -PhySetLinkSpeed -phy0 2 -a0; for i in $(seq 48); do MegaCli -PhySetLinkSpeed -phy${i} 2 -a0; done and rebooting. The question remains: Is this typical for current 6 gb/s equipment? Is this the sad state of SATA storage? Or is some of my equipment (the sff-8088 cables come to mind) bad? The Problem was: Synchronizing HW RAID-6, disks kept offlining. Fetching SMART values reveiled that those which offlined did not increase powered-on hours anymore. That is, their firmware (CC4C) seems to crash. Digging into the matter by switching to Software RAID-6, with the disks passed-through, I got tons of kernel messages scattered across all disks, with 6 gb/s: sd 0:0:9:0: [sdb] Sense Key : No Sense [current] Info fld=0x0 sd 0:0:9:0: [sdb] Add. Sense: No additional sense information And finally, when a disk offlines: megasas: [ 5]waiting for 160 commands to complete ... megasas: [35]waiting for 159 commands to complete ... megasas: [155]waiting for 156 commands to complete ... megaraid_sas: pending commands remain after waiting, will reset adapter. Ugly controller reset here, then minutes later: megaraid_sas: Reset successful. sd 0:0:28:0: Device offlined - not ready after error recovery ... sd 0:0:28:0: [sdu] Unhandled error code sd 0:0:28:0: [sdu] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK sd 0:0:28:0: [sdu] CDB: Read(10): 28 00 23 21 2f 40 00 00 70 00 sd 0:0:28:0: [sdu] killing request Reduced speed to 3 gb/s like written above, all problems vanished.

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  • Mac OS X Disk Encryption - Automation

    - by jfm429
    I want to setup a Mac Mini server with an external drive that is encrypted. In Finder, I can use the full-disk encryption option. However, for multiple users, this could become tricky. What I want to do is encrypt the external volume, then set things up so that when the machine boots, the disk is unlocked so that all users can access it. Of course permissions need to be maintained, but that goes without saying. What I'm thinking of doing is setting up a root-level launchd script that runs once on boot and unlocks the disk. The encryption keys would probably be stored in root's keychain. So here's my list of concerns: If I store the encryption keys in the system keychain, then the file in /private/var/db/SystemKey could be used to unlock the keychain if an attacker ever gained physical access to the server. this is bad. If I store the encryption keys in my user keychain, I have to manually run the command with my password. This is undesirable. If I run a launchd script with my user credentials, it will run under my user account but won't have access to the keychain, defeating the purpose. If root has a keychain (does it?) then how would it be decrypted? Would it remain locked until the password was entered (like the user keychain) or would it have the same problem as the system keychain, with keys stored on the drive and accessible with physical access? Assuming all of the above works, I've found diskutil coreStorage unlockVolume which seems to be the appropriate command, but the details of where to store the encryption key is the biggest problem. If the system keychain is not secure enough, and user keychains require a password, what's the best option?

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  • How would I setup iMail to forward a user's mail to another service w/o leaving a copy locally?

    - by Scott Mayfield
    I have an iMail 2006 server installation in which I have a particular user that has several aliases that all point to a single user (me, for the record). I've been copying all of my mail to GMail and reading it there, but it annoys me that I have to go back weekly and log into my mail account on iMail and delete between 6 and 10 thousand copies of messages I've already received, in order to keep my mailbox from filling up (yes, I have it set with no quota, but I consider it bad form to just let the box grow indefinitely). I've got the copying setup via an inbound user rule, but I'm wondering how to accomplish a "copy and delete" rule. The manual isn't clear on what happens with multiple matching rules (will they be processed in order, or is it a first match situation?) and there isn't a means to combine multiple actions into a single rule. If I use the "forward" action, I THINK that it's going to screw up all the sender information once the mail reaches my GMail account and show it as coming from me instead of the original senders (can anyone confirm that this is accurate?) An easy answer would be to delete my user account entirely, replace it with an alias that maps to my GMail account, but then I would lose my ability to log into the system for admin duties. So that leads me to creating a second, lesser known account for admin use, but since it's a real account, sooner or later I'm going to get mail sent to it and I'll be back to the same situation of having a user account that doesn't get emptied periodically. I imagine I can set the quota to 0 MB to cause all incoming mail to my admin account to bounce, or setup an inbound rule to bounce everything, but this is starting to sound kludgy to me. Does anyone know of a more direct work around to copying a user's incoming mail to an outside server and then deleting the local copy w/o removing their account entirely? Or is this just wishful thinking? Thanks in advance. Scott

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  • CloudFlare dashboards empty, or performance issues

    - by Katafalkas
    I wanted to test CloudFlare performance so I set my image gallery domain on it and started testing. I have added PageRules for caching. And chose the Security: Essentially Off. I checked NS check tools and they say that my domain name is propagated with CloudFlare. For testing purpose I created a link that loads 200 images from that server, and was using loads.in website to determine how much it is faster. After trying few regions, I noticed that there were no improvement in loading speed. So I looked up the dashboards, and it was empty. I am not sure if I am doing something wrong, or made some error in my setup, or it takes few days to start caching or working properly, but at the moment - after a day of testing - dashboards are empty. Also the NS check tools sais that all name servers are propagated to CloudFlare and working fine. So I assume I got a bad performance because it is simply not working. I sent a letter to CloudFlare support team, but did not get any straight answer. So essentially my question is: Anyone has any experience with CloudFlare ? How long does it take for it to start caching static content to CDN ? Or there is simply something I am doing wrong ?

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  • Using Toshiba 22EL833 as PC display through HDMI input

    - by Oleg V. Volkov
    I had another Toshiba TV - 19SL738 - connected to this same PC and video card (GTX 8800) through DVI<-HDMI (DVI on PC side, HDMI on TV) before, that was working perfectly at it's native resolution 1360x768. Some time ago I had to change to 22EL833 and immediately faced problem with Windows 7 control panel and NVIDIA control panel both reporting native resolution for new TV as 1080i, 1920x1280, despite TV documentation saying that it have same 1360x768 as previous one. Practical tests confirmed that true native resolution is indeed 1360x768, because plugging in through DVI<-VGA and setting custom resolution through NVIDIA panel shown clear colors and crisp image, while setting anything different with either DVI<-VGA or DVI<-HDMI produced horribly distorted or squished images, with almost unreadable slim lines (as in letters, for example). Now, my problem is that there's no drivers for this TV and I'm unable to get good image while connecting it through DVI<-HDMI directly. The best I've achieved is editing EDID/driver manually, to persuade system that native resolution should be 1360x768, and while image became mostly clear, colors turned to some strange washed out effect, with pools of pure yellow, cyan and magenta there and there filling place of other colors. Gradients also became noticeably stripped as well. Somehow it looks like dithering gone bad and makes me suspect that image is still down/upscaled several times internally somewhere along the line. How can I connect this TV to DVI output of my video card to get best possible clear image, correct colors and correct native resolution?

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