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  • Join performance on MyISAM and InnoDB tables

    - by j0nes
    I am thinking about converting some tables from MyISAM to InnoDB in my mysql server. The tables will certainly benefit from the change because a lot of write requests come to these tables, while there are also quite a lot of read request at the same time. However, they are often joined together with some tables that almost don't get any writes. Is there a performance penalty when joining together MyISAM and InnoDB tables or should everything work fine? Second question: During backups at night, I am copying data from the InnoDB tables to MyISAM tables for archiving purposes. In these backups, a lot of write-requests happen, however there is almost no read from these archive tables. Would these tables also benefit from using InnoDB or is this just a waste of space and RAM?

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  • Where can you see the data that's been recorded by a tracking cookie?

    - by frenchglen
    I've always read that cookies can, and do, store sensitive information such as OTHER websites that you've visited outside the one to which the cookie belongs. I've started to read up about it and can see that it's persistent cookies which typically do this - and well I've started to look through cookie files on my computer - but I can't see any telling info in them! Just a few jumbled lines and not the scary urls of other sites that I'm looking for. How do I view them? Or is the raw data of visited urls only ever stored on the server end of the site that's tracking me? I'm on Win7 and can look at cookies from FF 12, Chrome 18, IE9 and Safari 5.1. Thanks for illuminating this once and for all.

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  • Setting Sql server security rights for multiple situations

    - by DanDan
    We have an application which uses an instance of Sql Server locally for its backend storage. The administrator windows login has had its sysadmin right revoked, and instead two sql logins have been created; one for the application with a secret password and one read only login we let users view the raw data with. This was working fine until we moved on FileStreams, which requires intergrated windows authentication. So now the sql server logins must be replaced. As a result, I am now reviewing all of our logins but I am not sure how it is possible. It seems that the application needs full read/write access, yet I still need to lock down writing to the tables so the user cannot login into the database and delete data randomly. Does anyone have any tips for setting multiple levels of security using intergrated windows logins, or can you direct me to any further reading? Thanks.

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  • UNRAID V4.7: Lost write permission on Win7/Android devices

    - by JROC
    I'm currently running V4.7 and I haven't touched any of the user or share settings, and I'm periodically losing read.write permission on both my windows 7 pc and my android tablet connecting over the wireless. Sometime I can access my shares and see the folder directories, but when attempting to open a folder windows denies me access saying I don't have the proper permission. This is after I have logged in with my main account that has full read/write access of everything, same on my android device. This all started when I attempted to delete a large amount of files (8gb) to make more room and about half way through started getting permission errors. What could be causing this? Thanks

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  • UNRAID V4.7: Lost write permission on Win7/Android devices

    - by JROC
    I'm currently running V4.7 and I haven't touched any of the user or share settings, and I'm periodically losing read.write permission on both my windows 7 pc and my android tablet connecting over the wireless. Sometime I can access my shares and see the folder directories, but when attempting to open a folder windows denies me access saying I don't have the proper permission. This is after I have logged in with my main account that has full read/write access of everything, same on my android device. This all started when I attempted to delete a large amount of files (8gb) to make more room and about half way through started getting permission errors. What could be causing this? Thanks

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  • Fedora Installation with software repository in DVD does not work

    - by Raks
    I bought a new assembled PC with processor as Core-i3(2120) and Intel H61 motherboard and was trying to install Fedora 16 from a DVD. This DVD contains all the packages so that installation does not require to download packages from internet. I have used this DVD to install Fedora 16 offline many a times though in machines with different hardware configuration. But in this new machine when the installation reaches the stage wherein it asks for Software repository selection I select CD/DVD but the system fails to read the media and throws up an error that it cannot detect the media. THe LED in the DVD writer also indicate that the DVD is not being read. Now there is neither a problem with the DVD or the DVD drive because the installation started from the DVD itself. So what could the problem be, anything in the BIOS that is causing the problem, Is there any way I could utilize the packages already existing in the CD so that I save downloading the packages from DVD

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  • How to Modify a Cronjob Email Subject

    - by justinl
    I am running a half dozen different cron jobs from my hosting at Hostmonster.com. When a cronjob has been executed I receive an email with the output of the script. The email comes in the format of: From: Cron Daemon Subject: Cron /ramdisk/bin/php5 -c /home5/username/scheduled/optimize_mysql.bash The problem with this is that the subject of the email makes it very hard to read which cronjob the email is pertaining to. Is there a way to modify the subject of a cronjob email so that it's easier to read? For example: From: Cron Daemon Subject: Optimize MySQL Database

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  • SCVMM upgrade scenario

    - by pigeon
    I've read some information on TechNet about upgrading SCVMM 2008 - 2012 but can't quite figure out the best way to approach this. The current setup is that we've got SCVMM 2008 R2 installed but against best practice it was actually installed on the Hyper-V host machine since its a small scale deployment its just a single server setup with SCVMM existing on the same host rather than be in a VM. So from what I've read an in-place should be possible which will incur a restart but also don't have the luxury of another server to shift the VMs onto whilst doing this or want to risk anything happening to the Hyper-V role. Ideally I would probably prefer just to get SCVMM 2012 into a VM of its own and remove the 2008 version from the host machine. Anyone done an upgrade on this or have any recommendations about how to approach this?

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  • Kindle 2 and PDFs in landscape

    - by doronkatz
    Hi guys, I am looking at getting a Kindle 2, read a lot about the PDF support (or lack off) and wanted to ask someone who has a kindle, a question. If you read a pdf in landscape mode, does it shrink the text to have it all in the one screen, or does it increase font size and split it into two or more pages. I have another reader, the iRiver Story and it does that, splits it into multiple pages thus making it readable. I know you can't zoom or anything like that in portrait view (i assume) I know you will say stick with iRiver, but the make of the kindle is a lot better (metallic back) and its useful to have a hybrid amazon book/pdf reader in one.

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  • Files listed by bash but unaccessible

    - by Cerin
    What would cause the following behavior on an Ubuntu 12.04 system? I've SSHed into a machine as the "ubuntu" user. Running ls -lah /data/* shows dozens of non-empty files (e.g. file1.txt, file2.txt, etc), all owned by the "ubuntu" user/group, and with full read/write access. If I try to cat /data/file1.txt, bash gives me the error "cat: /data/file1.txt: No such file or directory" In short, ls is listing files, but in every other way, the files essentially don't exist. I can't cat them or read them in any way. Even giving all the files 777 permission doesn't change anything. This is really bizarre. What's going on here?

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  • Can someone recommend a Compact Flash card to be used as a boot disk/fixed disk.

    - by Hamish Downer
    I have an early Acer Aspire One netbook, and the flash drive is really slow at writing. I've taken it apart to add more RAM, but I've pretty much stopped using it. I've read about people replacing the SSD with a Compact Flash card and a CF to ZIF adapter but I've also read about some Compact Flash cards where the manufacturer has permanently disabled the boot flag to stop people doing this kind of mod. (Can't find the link any more though). (Although I have just found some info about CF cards that says "Most CompactFlash cards by default identify themselves as removable media instead of fixed disk" and that this is an issue for Windows. So my most specific question is: can someone recommend a compact flash card that does allow the boot flag to be set and to be set as Fixed Disk? Please say whether you've done it yourself, or just heard about it from someone else. Beyond that, is this generally a problem?

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  • ubuntu 12.04 server and tftp access violation issue on put command

    - by SMYERS
    I installed tftp as per this document: http://icesquare.com/wordpress/solvedtftp-error-code-2-access-violation/ I followed this to the letter 3 times and every time I put a file I get: root@CiscoCFG:~# tftp localhost tftp put test Error code 2: Access violation tftp root@CiscoCFG:~# tftp localhost tftp put test Error code 2: Access violation If I touch the file name chmod 777 the file then do a put it works perfectly fine. My config is as follows: service tftp { protocol = udp port = 69 socket_type = dgram wait = yes user = nobody server = /usr/sbin/in.tftpd server_args = -s /svr/tftp disable = no } the directory /svr/tftp permissions are 777: drwxrwxrwx 3 nobody nobody 4096 Nov 14 10:32 svr This thing should have full permissions as would anyone who wanted to write or read from that directory. I see nothing in the logs im really stumped on this. If the file is already in the directory I can read it all day long, I just cant make NEW files, can not put them, but I can do get's, I can only put to an existing file with permissions @777. Thanks

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  • Using group policy preferences to push a file to C:\Windows on a restricted user.

    - by Fireshot
    We have a really old Video learning program that we need to run from the network for our students. However it uses Director Player 6.0 and the students get the error: "Unable to copy the driver file C:\Windows\xobglu16.dll to your Windows directory. Your disk may be full" Now the solution I've read is to copy the files manually to each machine and mark them read-only. I'm trying to do this via GPP, but the Event log is showing an Access is denied error. I believe it is because the student accounts do not have permission to c:\windows. Any ideas on a work around without using a script?

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  • Format as NTFS without Journal

    - by palswim
    I have a flash drive that I'd like to format for use in Windows. I would like support for symbolic links, so I can't use FAT/FAT32/exFAT. I would prefer to use the ext4 filesystem and disable journaling, with the Ext2Fsd filesystem driver, but have (so far) found that I can't make soft links across filesystems that Windows will read, Ext2Fsd has an annoying bug about always mounting partitions as read-only and has problems resuming from sleep, and some programs have problems writing to the partition even after manually configuring Ext2Fsd to allow writes. So, I would like to use NTFS for the flash drive, but disable the journaling feature (causes extra writes), if possible. How can I do this?

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  • Trouble getting FTP login to work in IIS6

    - by Frank Rosario
    Hello all, I'm trying to setup an FTP site for one of my clients to pickup files from us using IIS6. I've created the FTP site, have set to not isolate users (not necessary as FTP will be read only with authentication). Here's the problem. The FTP is to be password protected, so I turned of anonymous access on the FTP site. I then created a ftpuser account on the machine, and gave it read and browse directory permissions on the ftp's root directory. However, when I go to test the ftpuser login, I get a 530 "ftpuser cannot login" error. However, if I browse to same directory over HTTP (anonymous access turned off as well) and enter the ftpuser login info, I can download files and browse directories successfully. Why is the ftpuser working over HTTP but not FTP? Shouldn't I be able to login over FTP with the ftpuser login information I just created? Thanks in advance, - Frank

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  • windows 7 security settings for non-admins

    - by Wasi
    I was recently modifying the security settings for my drive C. I did not notice that i was logged in as a user and changed the permissions for users to "read". Later i realized that there was no admin set up on the pc (when switching user). Now with the security settings changed I can't do anything on the computer. I can only read the files that previously existed. And this applies to every drive on my computer. Now the user accounts do not have the privileges to change the permissions. How can i allow users to have full control without having admin on my pc

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  • reiserfsck --rebuild-tree failed: Not enough allocable blocks

    - by mojo
    I have a reiserfs volume that required a --rebuild-tree, but is currently failing to complete when I pass it --rebuild-tree. Here is the output that I receive when running it: reiserfsck 3.6.19 (2003 www.namesys.com) # reiserfsck --rebuild-tree started at Mon Oct 26 13:22:16 2009 # Pass 0: # Pass 0 The whole partition (7864320 blocks) is to be scanned Skipping 8450 blocks (super block, journal, bitmaps) 7855870 blocks will be read 0%....20%....40%....60%....80%....100% left 0, 9408 /sec 287884 directory entries were hashed with "r5" hash. "r5" hash is selected Flushing..finished Read blocks (but not data blocks) 7855870 Leaves among those 6105606 Objectids found 287892 Pass 1 (will try to insert 6105606 leaves): # Pass 1 Looking for allocable blocks .. finished 0%....20%....40%....60%....80%....Not enough allocable blocks, checking bitmap...there are 1 allocable blocks, btw out of disk space Aborted I can't mount it, and I can't fsck it. I've tried extending the volume, but that hasn't helped either.

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  • What linux permissions are need for www?

    - by Xeoncross
    I know that 777 is full read/write/execute permission for owner/group/other. So this doesn't seem to be needed as it leaves random users full permissions. What permissions are need to be used on /var/www so that... Source control like git or svn Normal users in a group like "websites" or added to "www-data" Servers like apache or lighthttpd And PHP/Perl/Ruby can all read, create, and run files there? If I'm correct, Ruby and PHP scripts are not "executed" directly - but passed to an interpreter. So there is no need for execute permission on files in /var/www. Therefore, it seems like the correct permission would be chmod -R 1660 which would make all files shareable by these four entities all files non-executable by mistake block everyone else from the directory entirely set the permission mode to "sticky" for all future files Is this correct? Update: I just realized that files and directories might need different permissions - I was talking about files above so i'm not sure what the directory permissions would need to be.

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  • Recover from a recover partition when F11 doesn't work and windows is corrupt

    - by jherlitz
    I have someones presario V3000 laptop. It has a D drive which is the recovery partition. The user brought it to me and windows would no longer even boot up. I could only reload XP and try to find a way to recover from the recovery partition. However haven't been able to. I read, hold F11 down when booting up, but that didn't do anything, and the other item I read is to create the CDs from the software installed in the OS from the factory. Well that is the OS that went corrupt and is no longer there. A new reloaded version of XP is there now. Is there still a way I can either create recover CD's/DVD's or boot from the recovery partition?

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  • Unable to use TweetDeck on Windows due to "Ooops, TweetDeck can't find your data" and "Sorry, Adobe

    - by Matt
    I'm running Adobe AIR 1.5.2 (latest) on Windows 7 (64-bit RTM) and downloaded TweetDeck 0.31.1 (latest). When I run TweetDeck I get the following errors: Ooops, TweetDeck can't find your data and Sorry, Adobe AIR has a problem running on this computer Other AIR applications install and run fine. I've uninstalled both TweetDeck and AIR and reinstalled. Following the uninstalls I've also removed all on-disk references to both TweetDeck and AIR, but no luck. UPDATE: Using Process Monitor I did a trace of Tweetdeck from the moment it launched until the first error occurred. I saw the following information in the output of the trace: 1 5:22:18.6522338 PM TweetDeck.exe 5580 CreateFile D:\ProgramData\Microsoft\Windows\Start Menu\Programs\rs\??\d:\Use\myusername\AppData\Roaming\Adobe\AIR\ELS\TweetDeckFast.F9107117265DB7542C1A806C8DB837742CE14C21.1\PrivateEncryptedDatak NAME INVALID Desired Access: Generic Write, Read Attributes, Disposition: OverwriteIf, Options: Synchronous IO Non-Alert, Non-Directory File, Attributes: N, ShareMode: Read, Write, AllocationSize: 0 In this trace output, Tweetdeck.exe is trying to create the file D:\ProgramData\Microsoft\Windows\Start Menu\Programs\rs\??\d:\Use\myusername\AppData\Roaming\Adobe\AIR\ELS\TweetDeckFast.F9107117265DB7542C1A806C8DB837742CE14C21.1\PrivateEncryptedDatak but the path specified is invalid. When looking at the path you can see that it is indeed an invalid path. First, there’s the “??” portion which doesn’t exist in the file system since the “?” is an invalid character in Windows/NTFS file systems. Additionally, looking at this path, it actually seems to be composed of two parts (is the "??" a delimiter?): Part 1: D:\ProgramData\Microsoft\Windows\Start Menu\Programs\rs\?? Part 2: d:\Use\myusername\AppData\Roaming\Adobe\AIR\ELS \TweetDeckFast.F9107117265DB7542C1A806C8DB837742CE14C21.1\PrivateEncryptedDatak (the problem here is that d:\Use... doesn’t even exist. What seems to be happening here is that Tweetdeck is looking for the user credentials (the “PrivateEncryptedDatak” file) but it’s looking in the wrong place, can’t find the file, and hence the error that Tweetdeck is giving (shown in the screenshot). I'm trying to determine how TweetDeck is getting this path. I searched the contents of all files on my hard disk hoping to find some TweetDeck or Adobe AIR configuration file containing this incorrect path, but I was unable to find anything. UPDATE: See Carl's comment regarding directory junctions and symbolic links under my accepted answer. This ended up being the problem. Edit by Gnoupi: People, the answer section is there to provide an actual ANSWER, not to say you have the same issue. It doesn't help anyone that you have the same problem. Eventually, if you think this is really worth mentioning, put it as a comment under the question. But simply, if what you want to add is not an answer to the question, then don't post it as an answer. This is not a forum, I recommend new users to read the FAQ: http://superuser.com/faq

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  • Compatability error Installing Sharepoint w/ SP1 on Windows 2008 R2 RC

    - by Vaccano
    I am trying to install sharepoint 2007 enterprise with SP1 on Windows Server 2008 R2 RC 64 bit. I am getting a compatibility error. Here is the text: [Window Title] Program Compatibility Assistant [Main Instruction] This program is blocked due to compatibility issues [Expanded Information] You must install Office SharePoint Server 2007 - Please read Microsoft Knowledge Base article: 962935 with the most recent service pack. Office SharePoint Server 2007 - Please read Microsoft Knowledge Base article: 962935 without service packs has a known compatibility issue with this version of Windows. I can't find this KB article. I have the most recent SP installer available with my MSDN subscription. Any ideas?

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  • Unable to access intel fake RAID 1 array in Fedora 14 after reboot

    - by Sim
    Hello everyone, 1st I am relatively new to linux (but not to *nix). I have 4 disks assembled in the following intel ahci bios fake raid arrays: 2x320GB RAID1 - used for operating systems md126 2x1TB RAID1 - used for data md125 I have used the raid of size 320GB to install my operating system and the second raid I didn't even select during the installation of Fedora 14. After successful partitioning and installation of Fedora, I tried to make the second array available, it was possible to make it visible in linux with mdadm --assembe --scan , after that I created one maximum size partition and 1 maximum size ext4 filesystem in it. Mounted, and used it. After restart - a few I/O errors during boot regarding md125 + inability to mount the filesystem on it and dropped into repair shell. I commented the filesystem in fstab and it booted. To my surprise, the array was marked as "auto read only": [root@localhost ~]# cat /proc/mdstat Personalities : [raid1] md125 : active (auto-read-only) raid1 sdc[1] sdd[0] 976759808 blocks super external:/md127/0 [2/2] [UU] md127 : inactive sdc[1](S) sdd[0](S) 4514 blocks super external:imsm md126 : active raid1 sda[1] sdb[0] 312566784 blocks super external:/md1/0 [2/2] [UU] md1 : inactive sdb[1](S) sda[0](S) 4514 blocks super external:imsm unused devices: <none> [root@localhost ~]# and the partition in it was not available as device special file in /dev: [root@localhost ~]# ls -l /dev/md125* brw-rw---- 1 root disk 9, 125 Jan 6 15:50 /dev/md125 [root@localhost ~]# But the partition is there according to fdisk: [root@localhost ~]# fdisk -l /dev/md125 Disk /dev/md125: 1000.2 GB, 1000202043392 bytes 19 heads, 10 sectors/track, 10281682 cylinders, total 1953519616 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x1b238ea9 Device Boot Start End Blocks Id System /dev/md125p1 2048 1953519615 976758784 83 Linux [root@localhost ~]# I tried to "activate" the array in different ways (I'm not experienced with mdadm and the man page is gigantic so I was only browsing it looking for my answer) but it was impossible - the array would still stay in "auto read only" and the device special file for the partition it will not be in /dev. It was only after I recreated the partition via fdisk that it reappeared in /dev... until next reboot. So, my question is - How do I make the array automatically available after reboot? Here is some additional information: 1st I am able to see the UUID of the array in blkid: [root@localhost ~]# blkid /dev/sdc: UUID="b9a1149f-ae11-4fc8-a600-0d77354dc42a" SEC_TYPE="ext2" TYPE="ext3" /dev/sdd: UUID="b9a1149f-ae11-4fc8-a600-0d77354dc42a" SEC_TYPE="ext2" TYPE="ext3" /dev/md126p1: UUID="60C8D9A7C8D97C2A" TYPE="ntfs" /dev/md126p2: UUID="3d1b38a3-b469-4b7c-b016-8abfb26a5d7d" TYPE="ext4" /dev/md126p3: UUID="1Msqqr-AAF8-k0wi-VYnq-uWJU-y0OD-uIFBHL" TYPE="LVM2_member" /dev/mapper/vg00-rootlv: LABEL="_Fedora-14-x86_6" UUID="34cc1cf5-6845-4489-8303-7a90c7663f0a" TYPE="ext4" /dev/mapper/vg00-swaplv: UUID="4644d857-e13b-456c-ac03-6f26299c1046" TYPE="swap" /dev/mapper/vg00-homelv: UUID="82bd58b2-edab-4b4b-aec4-b79595ecd0e3" TYPE="ext4" /dev/mapper/vg00-varlv: UUID="1b001444-5fdd-41b6-a59a-9712ec6def33" TYPE="ext4" /dev/mapper/vg00-tmplv: UUID="bf7d2459-2b35-4a1c-9b81-d4c4f24a9842" TYPE="ext4" /dev/md125: UUID="b9a1149f-ae11-4fc8-a600-0d77354dc42a" SEC_TYPE="ext2" TYPE="ext3" /dev/sda: TYPE="isw_raid_member" /dev/md125p1: UUID="420adfdd-6c4e-4552-93f0-2608938a4059" TYPE="ext4" [root@localhost ~]# Here is how /etc/mdadm.conf looks like: [root@localhost ~]# cat /etc/mdadm.conf # mdadm.conf written out by anaconda MAILADDR root AUTO +imsm +1.x -all ARRAY /dev/md1 UUID=89f60dee:e46a251f:7475814b:d4cc19a9 ARRAY /dev/md126 UUID=a8775c90:cee66376:5310fc13:63bcba5b ARRAY /dev/md125 UUID=b9a1149f:ae114fc8:a6000d77:354dc42a [root@localhost ~]# here is how /proc/mdstat looks like after I recreate the partition in the array so that it becomes available: [root@localhost ~]# cat /proc/mdstat Personalities : [raid1] md125 : active raid1 sdc[1] sdd[0] 976759808 blocks super external:/md127/0 [2/2] [UU] md127 : inactive sdc[1](S) sdd[0](S) 4514 blocks super external:imsm md126 : active raid1 sda[1] sdb[0] 312566784 blocks super external:/md1/0 [2/2] [UU] md1 : inactive sdb[1](S) sda[0](S) 4514 blocks super external:imsm unused devices: <none> [root@localhost ~]# Detailed output regarding the array in subject: [root@localhost ~]# mdadm --detail /dev/md125 /dev/md125: Container : /dev/md127, member 0 Raid Level : raid1 Array Size : 976759808 (931.51 GiB 1000.20 GB) Used Dev Size : 976759940 (931.51 GiB 1000.20 GB) Raid Devices : 2 Total Devices : 2 Update Time : Fri Jan 7 00:38:00 2011 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 UUID : 30ebc3c2:b6a64751:4758d05c:fa8ff782 Number Major Minor RaidDevice State 1 8 32 0 active sync /dev/sdc 0 8 48 1 active sync /dev/sdd [root@localhost ~]# and /etc/fstab, with /data commented (the filesystem that is on this array): # # /etc/fstab # Created by anaconda on Thu Jan 6 03:32:40 2011 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/vg00-rootlv / ext4 defaults 1 1 UUID=3d1b38a3-b469-4b7c-b016-8abfb26a5d7d /boot ext4 defaults 1 2 #UUID=420adfdd-6c4e-4552-93f0-2608938a4059 /data ext4 defaults 0 1 /dev/mapper/vg00-homelv /home ext4 defaults 1 2 /dev/mapper/vg00-tmplv /tmp ext4 defaults 1 2 /dev/mapper/vg00-varlv /var ext4 defaults 1 2 /dev/mapper/vg00-swaplv swap swap defaults 0 0 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 [root@localhost ~]# Thanks in advance to everyone that even read this whole issue :-)

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  • RAID10 without write-back cache = horrible write performance?

    - by Harry Mexican
    I have just provisioned a dedicated server on singlehop. I'm running it through some tests to know what to expect performance-wise. On the I/O side (with 4 1TB disks in RAID 10) I get: write-cache disabled 200 MB/s read throughput 30 MB/s write throughput I thought that was really low compared to my desktop HD which gets 150-150 or so. So I had a chat with them and they suggested enabling the write cache. New results: write-cache enabled 280 MB/s read 260 MB/s write which is great and all but means I'd have to add a BBU for an additional monthly cost. Is it normal for the write throughput to be 1/4 of a regular drive on RAID10, if you don't have write cache? It almost feels like its intentionally bad to force you to pony up for the BBU. I'd be happy with normal non-raid performance of 150/150.

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  • Any reason not to disable the Windows pagefile given enough physical RAM?

    - by Evgeny
    The question of disabling the Windows pagefile has already been discussed quite a bit, for example here and here and here. People continue to upvote answers that say "you should not disable your pagefile even if you have plenty of RAM", but I have yet to see any concrete, verifiable reasons being given for this advice. As far as I can see, if you never need to read from the pagefile (because you have enough RAM) then performance could only be worse with it enabled due to Windows pre-emptively writing to it. At best, performance would be the same. I can't see how it could possibly be improved by writing data you never need to read. So my question is: Assuming that I have enough physical RAM for everything I do, is there any reason I should not disable the pagefile? Let's say the version of Windows is Windows XP x64 SP2 or Windows Server 2003 x64 SP2 (same thing). If it's different for Windows Server 2008 x64 I'd be interested to hear an answer for that as well. I'm looking for specific, objective reasons from good sources, not just opinions. Something like "here are the benchmarks done with and without a pagefile and the results were better with a pagefile, even with enough RAM" or "according to this MS KB article problem X occurs if you disable the pagefile". So far the only reasons I've seen mentioned are: Even if you think you have enough RAM you might run out. OK, but for the purposes of this question, let's just take it as a given that I have enough. Maybe I only ever read my email and I have 16GB RAM. Or 128GB. Or 1TB. Or whatever - but it's enough for 100% of what I do, 100% of the time. Another way to think of it is: if I have x MB physical RAM and y MB pagefile and I never run out of RAM in that configuration, would I not be better off, performance-wise, with x+y MB physical RAM and no pagefile? Windows is "used to" having a paging file and it might not function as reliably (from Understanding the Impact of RAM on Overall System Performance That's rather vague and I find it hard to believe, given that MS has provided the option to disable the pagefile. Windows knows what it's doing better than you. No - it doesn't know that I won't run more programs or load more data, but I do.

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  • How to either completely remove SQL Server 2008 R2 Installation or repair it?

    - by Nico
    I've installed MSSQL server correctly, then I took some wrong turns and I'm now left in a pretty undesirable state. I wanted to change the server instance to another drive, so I uninstalled SQL server and all of it's features from the Programs and Features control panel. Now when I tried to install a new instance, I got a few errors, but it still installed most of them: Then I tried to run a repair, which I figured would fix things, but it throws an exception about not being able to read something from the CD (tried more than once always the same exception) Error 1316.A network error occurred while attempting to read from the file R:\1033_ENU_LP\x64\setup\SSCERuntime_x86-enu.msi , and it fails to repair a few of the features: And I don't have the server instance installed either. So I'm left with no MSSQLMS, no server instance, and no happiness. What would be the best course of action here?

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