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• Solaris mounting partitions

  - by Benco

  I'm trying to mount a partition in solaris 10... bash-3.00# mount /dev/dsk/c0t0d0s3 /data mount: /dev/dsk/c0t0d0s3 is already mounted or /data is busy As far as I know c0t0d0s3 isn't already mounted elsewhere, so what's really going on here? From /etc/mnttab : /dev/dsk/c1t0d0s0 / ufs rw,intr,largefiles,logging,xattr,onerror=panic,dev=7800001285811136 /devices /devices devfs dev=4840000 1285811125 ctfs /system/contract ctfs dev=48c0001 1285811125 proc /proc proc dev=4880000 1285811125 mnttab /etc/mnttab mntfs dev=4900001 1285811125 swap /etc/svc/volatile tmpfs xattr,dev=4940001 1285811125 objfs /system/object objfs dev=4980001 1285811125 sharefs /etc/dfs/sharetab sharefs dev=49c0001 1285811125 /usr/lib/libc/libc_hwcap1.so.1 /lib/libc.so.1 lofs dev=780000 1285811131 fd /dev/fd fd rw,dev=4b40001 1285811136 swap /tmp tmpfs xattr,dev=4940002 1285811137 swap /var/run tmpfs xattr,dev=4940003 1285811137 -hosts /net autofs nosuid,indirect,ignore,nobrowse,dev=4c00001 1285811148 auto_home /home autofs indirect,ignore,nobrowse,dev=4c00002 1285811148 cordb:vold(pid530) /vol nfs ignore,noquota,dev=4bc0001 1285811149 I suspect the problem is not related to the mount point, but rather the disk slice I'm trying to mount: bash-3.00# newfs -v /dev/dsk/c0t0d0s3 /dev/rdsk/c0t0d0s3: Device busy

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• 4TB HGST SATA drive only shows 1.62 TB in Windows Server 2012

  - by user136085

  I'm using a Supermicro X9SRE-3F motherboard with the latest BIOS and 2x 4TB drives connected to the on-board SATA controller. If I set the BIOS to RAID and create a RAID 1 array, the array shows up in the BIOS as 3.6TB. However when I boot Windows (on a separate RAID 1 array), the 4TB drives show up individually in disk manager as 2x 1.62TB drives. I could use Windows 2012 to set up software RAID 1, but when I set the BIOS back to 2x individual drives, they still show up in Windows as 2x 1.62TB drives. How do I access the full capacity of these drives? Thanks, Brian Bulaw

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• Windows XP , HP , IntelInside Trobelshooting

  - by Jamil Hneini

  My Windows XP PC has stopped booting. On start up, before Windows boots a screen appears saying: Windows Could Not Boot: Could Not Find or Corrupted file <Windows root>\Sytem32\Hal.dll Please Reinstall the file... From that I understand that I have to reinstall the OS but my computer is so old that I have lost the backup and recovery disk. My Computer's Info: 32Bit Computer Pentium 4 Windows XP Service Pack 2 HP History: My Computer has 4 hard drives 2 internal 40 GB drives (C And D) 2 external 8GB drives (E And F) Additional Info: I need the files inside C And E The computer reads my flash drive as a hard drive (8.45GB)(I have never booted while my USB pluged in while I was troubleshooting) With some test I discovered that the C drive wasn't detected by the computer I have already configured the boot order of BiOS I have Set The SATA to IDE The Question: I have a setup for windows 8 32 bit how can I boot from my USB to run that setup? If that isn't the proper way to handle this problem please tell me the proper way.

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• Same SCSI drive appears multiple times on the controller list

  - by ohad

  Hi, I have an Adaptec AHA-2940UW SCSI adapter, to which I connected a single Atlas 10K III drive (and nothing more). When my computer loads up, the pre-OS Adaptec screen shows (I believe this is called the POST screen), where I can see the Atlas drive listed many times (i.e. with ID0, ID1, ... ID5, ID7, ID8,...,ID15 [ID6 is the adapter itself]) Using the same HD on an Adaptec AHA-2940UB the disk only shows once Since my OS hasn't been installed yet, I'm not sure if this is a problem (I would guess it is), and if so - how to solve it. Termination and multiple LUNs come mind, but the cable provides termination and I don't see why a hard drive would request multiple LUNs, especially considering it is not jumpered at all, and multuple LUN support is disabled in the Adaptec controller BIOS (via the SCSISelect utility) Thank you

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• ISCSI: Ethernet cable maximum length vs. SCSI command timeout

  - by Jeremy Hajek

  I have a question about a non-optimal setup and the practical implications of this. Ideally you would place the ESXi server right in the same room as the FreeNas white box end of question. My situation is this: I have a run of ~125ft of Cat 5e connecting a ESXi server to a FreeNas whitebox in the server room. I know the distance of the ethernet cable is within the maximum distance for ethernet traffic but I have two questions... Can Cat 5e support gigbit speeds at that distance if the switch on the back end is a linksys SRW-2048? Should I be concerned about the distance causing data read and write timeouts in the SCSI portion--(disk operations of the ESXi)?

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• How to use 3T SAS HDDs which aren't supported by Dell PERC 6i

  - by Sunry

  We bought several 3T SAS hard disks want to use with our Dell R710 server. But we found our R710 can't recognize the 3T hd, and then we dig out the raid card is PERC 6i which doesn't support it. Contacted with Dell that H700 and H800 support 3T hd, thought we can buy a H700 , but the SAS cable is not available in the market right now. And it seems very hard for us to change the raid card, also no suitable tools to tease the special screws. So I want to know if any other method to use these 3T hds instead of putting them in the warehouse? Can I low formatting it to 2TB, and plug it into Dell R710 to use? Or a SAS to USB adapter to use it as USB external disk? I just want to use them by Dell R710 even external.

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• df command show no output

  - by user119720

  I'm running the linux distro on my server.When i want to verify the size of the disk, i'm issuing this commnand to get the output. df -h But it does not produce ANY output.Strangely enough when i'm issuing other command such as fdisk -l or du -h it can show output normally. Does anyone now why is this happening?Thanks. edit: here is the output of cat /etc/fstab none /dev/pts devpts rw 0 0 and this is for mount command none on /dev/pts type devpts (rw) none on /proc/sys/fs/binfmt_misc tpe binfmt_misc (rw) edit(2): here is the output of cat /proc/mounts /dev/vzfs / vzfs rw,relatime,usrquota,grpquota 0 0 proc /proc proc rw,relatime 0 0 sysfs /sys sysfs rw,relatime 0 0 none /dev/tmpfs rw,relatime 0 0 none /dev/pts devpts rw,relatime 0 0 none /proc/sys/fs/binfmt_misc binfmt_msc rw,relatime 0 0

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• How can I create a pen drive that I can boot from, and then install Win98 from?

  - by rossmcm

  I have a HP Compaq t5515 thin client computer with a flash disk and USB port. I want to put Win98 onto it, replacing whatever is on there now (I think it is some Linux-based thing). I can find stuff about putting Win98 onto a pen drive and running from that, but I can't find any info about installing Windows 98 from a pen drive onto a sep[arate system. Is it just a matter of making the pen drive bootable to DOS copying the contents of a Win98 installation CD onto the pen drive booting the HP machine from the pen drive running SETUP.EXE from the pen drive? Any pointers appreciated. TIA

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• I want to build an debian apt site for local LAN updates

  - by user73504

  Hi, I have downloaded all debian's DVD disks, and I have set up apache httpd service. I combined all dvd disk 's file, but I found the .gpg file I need and I can't create it. it looks like source's signature file. so when I set my /etc/apt/sources.list file as follow: deb http://192.168.1.102/apt/debian squeeze main contrib it noticed me the gpg files verilied faild. so I want to know , how to create gpg file, and do I need some other work except put DVD's file to the apache's htdocs path?

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• How do you debug why Windows is slow?

  - by aaron

  I've got Vista Biz and when my machine chugs I think it is because of paging, but I never know how to verify this. Procexp doesn't seem to provide useful information because it appears that nothing is going on when the chugs happen. perfmon seems like it has the counters I need, but I'm never sure what counters I should add to cover the information I want. For perfmon, I prefer numbers that are percents, so I can gauge load. Here are the counters I have up, but they don't always seem to correlate to chugs: - % disk time (logical) - page faults/sec (an indicator of lots of paging activity) - processor/%priviliged time

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• After Upgrading Ubuntu to 9.10 my hard drive now has a warning.

  - by Sean

  it is a 500gb hard drive format as ext3 path /dev/sdc1 The disk utility does not even see this. This Warning is from gparted: e2label: No such device or address while trying to open /dev/sdc1 Couldn't find valid filesystem superblock. Couldn't find valid filesystem superblock. dump2fs 1.41.9 (22-Aug-2009) dumpe2fs: No such device or address while trying to open /dev/sdc1 Unable to read contents of this file system? Because of this some operations may be unavailable. END OF ERROR MESSAGE Did I lose something during the upgrade of the system? Was it the hard drive or the Ubuntu system that went bad?

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• Time Machine (archive) of pre-Leopard systems?

  - by benc

  I want to get off an older Mac OS X system permanently. It is an iBook G3, so that has two important characteristics: Power PC, not Intel based. Runs only Tiger, not Leopard. This means, as far as I can tell: Cannot run Time Machine directly. Here's the approach I have been contemplating: Mount the drive in Firewire mode. Back up the drive as a external drive to the Time Machine volume. Disconnect the drive (permanently). However, I'm concerned that this drive will eventually age out, when the Time Machine volume fills up, and the old-system-as-external-drive is gone. Would it be better to do a single backup with another utility, to shared disk?

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• Repair Lacie 2Big Network 2

  - by Donier

  hi i buy from you Lacie 2big network 2 I was have problem with drive 2 "missed" then i try format HDD to mac os journal end RAW Now i can't connect to the device from network asistant please hep me I can't connect to Doshboard and i can't connect from USB on Lacie 2 big network 2device. I can connect to HDD from Lacie 2big network 2. how create lacie doshbaoard boot on HDD device. i format disks because one of HDD is work not correctly... in the Dashboard RAID menu disk 2 missed.... Thank you i wiil wait your answer....

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• User reduced LVM logical volume without resizing filesystem

  - by Matthew

  I received an email yesterday that one of our users was trying to make room for a heartbeat/clustering package which requires its own partition to act as a voting disk. To do this, he attempted to reduce the size of the root partition's logical volume, and then create a new logical volume for this purpose. However, he forgot to resize the filesystem first (or include the -r switch in the command). He also forgot to unmount the root partition by running this process from a rescue cd. The system is now refusing to boot into the OS with the following error: Either the superblock or the partition table is likely to be corrupt! Unexpected Inconsistency; run fsck manually. The system them drops the user into single user mode. Is it possible to rescue the filesystem, or is it hosed? Its running ext3.

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• What are best monitoring tool customizable for cluster / distributed system?

  - by Adil

  I am working on a system having multiple servers. I am interested in monitoring some server specific data like CPU/memory usage, disk/filesystem usage, network traffic, system load etc. and some other my process specific data. What are available open source that can serve my purpose? If it provides to customize the parameter to be monitored and monitor your own data by creating plugin / agent. Any suggestions? I heard of Nagios, Zabbix and Pandora but not sure if they provide such interface.

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• Pervasive database backup

  - by Steven

  I'm looking for the best way to backup my pervasive database. I've read the documentation but still have a few questions. It appears that Continuous Operations method only allows me to backup the entire database? So I'd do butil -startbu @filelist, then backup the entire database (copy, rsync, etc), then run butil -endbu @filelist. Looking through the documentation I don't see a way to get transaction logs out of this method; like I would do for MSSQL (BACKUP LOG ACCT TO DISK) or Postgres (archive_command). With rsync, it might be feasible to still do this every 15 minutes. The Archival Logging method means I would have to occasionally stop the database to get a full backup, which is acceptable for me. But can I copy the log files off of the server every 15 minutes, ie log shipping? Thank you.

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• SFTP through proxy

  - by aerodynamic_props

  I have a large amount of data on scratch space at computer b that I want to get. In my network I cannot directly connect to computer b (ssh exits with "No route to host"); I must first connect to computer a, and then connect to computer b. I cannot move the data from the scratch space on computer b to computer a because of a disk quota that is imposed on me at computer a. How can I move the data from computer b to my computer in this situation?

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• Windows CE Remote Kernel Tracker - gathering data in one (more) file during a log period of time

  - by Nic

  I'm using the "Windows CE Kernel Tracker" tool to gather data from my embedded device. This is working fine for short period of time. It seems that the tool is getting data in memory and not on disk. I'm wondering if there is a way to take the data from the device and log it in one or more file on my development computer. This could be useful for long time test period : for instance, one night or one entire day. Any ideas? p.s. I don't want to log on to the device, I want to log on my development PC.

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• Ubuntu server: lost prompt on monitor

  - by Richard

  Hello All, I am running Ubuntu 9.04 server edition. I have a monitor plugged into the box for occasional admin tasks. I pulled out a USB disk (without unmounting) and the screen is now full with this message: Buffer I/O error on device sdc1, logical block 7778778 I can't seem to clear the screen or get a prompt back. Doesn't appear to be registering keyboard strokes. The box is still running fine (I can ssh in from elsewhere and evrything is running as normal). Any ideas on how to clear screen and get my prompt back?

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• CPU fan turns on and off repeatedly without booting

  - by rnso

  My PC has suddenly stopped starting up. On checking with case open, the CPU fan starts running when the power is turned on, but it stops after about 2-3 seconds, restarts again after about 2-3 seconds and the loop is repeated. There is no beep and nothing appears on the screen. On searching the internet, I found there could be several reasons for this. I tried removing hard-disk, CD drive, tightening connections etc but of no avial. I also tried using a new power supply but the response is the same. Where could be the problem and how can it be solved? Thanks in advance.

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• Why does diskpart set the volume attributes on all volumes?

  - by Nick

  I was trying to migrate a Win7 OS from a HDD to a SSD. I've created 2 partition with 1024KB offset, with diskpart: 100MB System Reserved and a 60GB for C:. I've cloned their contents using Easeus Disk Copy. I've loaded the Windows 7 Boot DVD, and wanted to use diskpart to drop the letter for the System Reserved partition and make it hidden. select volume 0 detail volume attribute volume set nodefaultdriveletter attribute volume set hidden These 2 attribute set commands actioned on both volumes (0 and 1, MSR and C:) instead of the selected one, and viceversa. I've tried to clear these attributes from volume 1, but it cleared them also from volume 0. Why does DiskPart have this behaviour?

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• mounting vsphere 4.0 file system in ubuntu linux

  - by sravan

  hi all, I am using VSpere 4.0 for my project work. I needed 4-5 servers my project work which is based on Database. I felt the virtualisation is very good to get the 5 servers running good at the same time. It was running good until few days back. Yesterday, it suddenly crashed and i had no idea of the reason.Today, it did not even boot up. Now, i need to take the data backup from that system. In order to do the same, i got the hard drive from the machine and tried to mount it on local linux machine.But, i was not successful. The disk was not even recognized by the linux machine. Can some one please tell me how to mount it and get the required data? Thank you all

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• Dual HDD dual boot Win7/Win7 hibernate corrupts partitions?

  - by Ivan Zlatev

  I have two SSDs in my laptop. Both have 2 partitions each one with Windows 7 64bit and another one with OEM stuff on it (SYSTEM_DRV). I use the BIOS boot menu to boot between the drives. I have removed the drive letters so that no partitions of drive 1 are mapped in windows 2 on drive 2 and wise-versa. What I have observered however is that when I hibernate windows 1, boot windows 2 do some work and shutdown then resume windows 1 - the windows 2 partition will get corrupt quite often. Just happened actually - it is shown as "RAW" in the Disk manager instead of NTFS and windows will blue screen at boot. Alternatively I've seen cases where chkdsk will run and will wipe out all security descriptors making the partition completly unbootable. Why am I seeing these corruptions and what can I do to prevent them?

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• Clicks or ticks every minute when HDD is idle [closed]

  - by Ramy

  Possible Duplicate: Clicks or ticks every minute when HDD is idle My HDD is a My passport... It's 2 weeks old. I hear this tick or click followed by another one about 8-9 secs later, and they repeat every minute almost exactly... They usually happen and the LED light blinking.. It's not like the other clicks you hear that indicate any inevitable HDD failure, it's much lower in volume. I don't know what that is, however it's different than the rest of the HDD usual sounds...It's close to the sound of the mouse click. It sometimes also happens when I access a file on the drive mostly after being idle for a while, sometimes randomly not really sure... The drive though is working well, the SMART report comes out OK and without warning, and disk management shows it healthy... What could be the cause of this??

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• How can I diagnose cache misses when using Apache as a reverse proxy?

  - by johnstok

  I have set up Apache 2.2 as a reverse proxy with the following configuration: # jBoss proxying ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass /foo http://localhost:9080/foo ProxyPassReverse /foo http://localhost:9080/foo ProxyPassReverseCookiePath /foo /foo # Reverse proxy caching CacheEnable disk /foo # Compression SetOutputFilter DEFLATE BrowserMatch ^Mozilla/4 gzip-only-text/html BrowserMatch ^Mozilla/4\.0[678] no-gzip BrowserMatch \bMSIE\s(7|8) !no-gzip !gzip-only-text/html DeflateCompressionLevel 9 Header append Vary User-Agent env=!dont-vary However, in a number of cases where I expect a cached response to be returned the request is sent through to the origin server at localhost:9080. Responses have a HTTP Vary header of 'Accept-Encoding,User-Agent' which is to be expected given the mod_deflate configuration. How can I determine why Apache is unable to serve a response from the cache?

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