I have installed RAID 1 with mdadm and it seems to work looking att /proc/mdstat..I wanted to test the system, so I removed the power cable for one of the disks. When I startup I get this message:
Primary hard drive 0 not found...And cannot start. I'm not sure if there is something in BIOS or in the RAID config? Any ideas?
Every time I reboot my server, one of my hard drives drops out of the RAID5 array. I'm pretty sure that there's nothing wrong with the drive itself. I bought all three drives at the same time, and they are identical in make/model/capacity. While the server is running, it's smooth sailing. However, whenever I shut down or reboot, I get an email message that the array is degraded. It's always /dev/sda1 that drops out of the array. I can always rebuild the array by adding the partition back in, but it's a bit of a pain. Any suggestions on how to troubleshoot this?
View 13 Replies View RelatedI would like to setup a CentOS file server with LVM and Raid1. Having 6 x 500GB drives, 4 x 1GB Ram and a Quad Core Cpu, I am considering to configure 3 hdd as LVM then raid 1 to the remaining 3 hdd's.
View 7 Replies View RelatedFor starters, I apologize if this turns out to be a double post. My windows laptop hiccupped in the middle...
So I had a Linux box with two drives running happily for years. Both drives were in the same logical volume, and the second had a file system on it.
The the boot drive croaked. I replaced it and reinstalled CENTOS (making sure, of course, to be careful to use the new drive). The I put the second drive back into the volume group (and that's it).
I'm assuming I probably need to create a new logical volume, because that's how it was before, but I really really don't want to format it.
Am I missing a step or am I screwed?
Fsck -l showed the following output both before and after I put the drive in the volume group. code...
My computer set up is this; Pentium 4 Dell Dimension desktop with 2 hard drives. /hda = Linux and /hdb = Windows 7. It is set up to boot to /hda (master) and the Grub menu selection includes an entry to boot /hdb (slave) (Windows). Both disks are ATA. I just bought a 250 GB SATA drive and I cloned my Linux partitions onto this new disk. So far, it seems to be working and all my files are here.
The first problem is when I boot up I get a "Primary disk not found" message and the option to hit F1 to continue or F2 to go to setup. I hit F1 and it continues booting up without any further issues. The bigger problem is when I re-attach the Windows ATA drive; Depending on whether it is Master or not I run into one of two situations(when Master)The machine takes a loooooooong time to boot up, still comes to where I have to hit F1, yet I can boot into Windows or Linux. (when not Master)It comes up fairly quickly, I hit F1 but Windows cannot be found.
When Windows doesn't work and I still boot up, I can't find the other hard drive anywhere. #sudo fdisk -l only comes up with the SATA drive, not the Windows one. So there are 3 things I want that I am not sure how to get;Automatically boot to Grub without having to hit F1 Faster bootup through the bios Being able to boot to Windows or Linux without any problems. Am I missing something? Is this because of a mixed ATA and SATA? Is there something I need to fix in the BIOS? I'm not sure where to look!
After keeping my old (laptop) computer going for 8 years, I've finally taken the splash and ordered myself a new PC, well the compoents any way to build myself a desktop this time.
I've just got a couple of questions.
I've got a 60GB SDD and a 1TB HDD. On the SDD I was planning on partitions for Ubuntu Swap Window partition, to run a Virtulisation, not dual boot.
Performance wise, is it best to install / on the SDD and /home on the HDD or /home on the SDD as well and just move music and videos ect to the HDD.
Just to complicate things, when ordering the HDD there was an offer to get a second 1TB HDD for an extra 11, so now I have 2. I was planning to set these up as RAID 1, which I believe I can do via the alternative install.
What would be the best way to then backup / . I guess it must be possible to schedule an image of/ to be copied across to HDD is it?
I did hear that RAID was a bit iffy in ubuntu, but looking about on the net things seem to be better 9.10 → Also the boot disk isn't RAID.
Are there any RAID or SSD issues I should be aware of?
I am on Ubuntu 10.10.I installed it on a 500 gig hard drive.In the future i want to software RAID(I did it in the past using the alternate version of ubuntu from the installation process), is it possible to add the new hard drive later and RAID later or i need to reformat?I am talking about software RAID.
View 2 Replies View RelatedIn my system i have 3 250 GB Hard drives in a RAID 5 configuration. unfortunately, i cannot see this volume in "Computer", so i am unable to access any of the files on the volume. wierd thing is that when i enter disk utility, it finds the drives, and recognises them as a RAID volume. any ideas on how i can access the files on this drive
View 3 Replies View RelatedInstalled 2nd hard drive, both drives non raid. Computer recognizes it but unable to boot. Is this a grub problem?
View 9 Replies View Relatedhow to set up a boot partition on the first hard drive separate from two RAID 5 configurations on a Supermicro server with 1-750GB hard drive for the boot partition, and 15-1TB hard drives for data. The 15 hard drives are split into two RAID 5 configurations (7 -TB drives and 8 1-TB drives). I will be installing CentOS 5.2, and the 15 Terabytes of data will store data, and the 750GB hard drive(on port 0) will only have the 100MB boot file. I am using 3ware BIOS Manager to configure the first array of 7 hard drives, and the second array of 8 hard drives (1 drive with boot information will not be included in the array).
to recap, picture this: I want to load CentOS on this server. /dev/sda1 (on the bottom left drive) needs to house the boot partition set for 100MB. The remaining 7 drives (the left half, not counting the boot drive) need to be set up as a RAID 5 array. The eight drives on the right (right half) also need to be setup as a RAID 5 array. After I configure this in BIOS, I run the CentOS setup disk in graphical mode. I get to the portion after the Language and keyboard setup where it says "Installation requires partitioning of your hard drive. By default, a partitoning layout is chosen which is reasonable for most users. You can either choose to use this or create your own. Select the drive(s) to use for this installation". The drives listed are:
"sda 5721980 MB AMCC 9650-SE-8LP DISK"
"sdb 1020 MB AMCC 9650-SE-8LP DISK"
"sdc 714218 MB AMCC 9650-SE-8LP DISK"
"sdd" 6675643 MB AMCC 9650-SE-8LP DISK"
When I choose "Remove Linux partitions on the selected drives and create default layout." or any other option, I get different errors. I notice when configuring via text mode I get better options to install. I can't install the boot drive separate from the two RAID configurations?
i have harddrive on which raid 5 is configure and no file system is configured.so i want to access the data on auto raid component harddisk.could any one telme how to access auto raid component hard drive.when im connectingto my laptop its not opening.when i check in disk analyzer its showing auto raid component harddrive.please helpme to access data inside the raid drive.
View 2 Replies View RelatedI burned the live version of OpenSUSE 11.3 (Gnome, 32bit) to a CD to test the compatibility of an HP Pavilion p6510f. Although Xubuntu 10.4 booted up fine, OpenSUSE did not. A message about RAID would appear (too briefly to read) and then the computer would reboot.I checked in the BIOS and found that the SATA drive has 3 modes: IDE, RAID and AHCI. The hard drive was set to RAID.
When I changed the hard drive mode to IDE, I was able to run the OpenSUSE live CD; but the change ruined my Windows installation. Windows doesn't boot under IDE or RAID mode. (I have reset the mode to RAID and am restoring the Windows installation.) Is there an option/argument that I can pass to the kernel so that OpenSUSE will work under RAID mode? (Since Xubuntu 10.4 was able to do it, I'm assuming OpenSUSE should be able to.)
I got a dell inspiron 1501 laptop with a 80Gb sata drive what is the best solution to add data storage space for someone that love to have multiples operating systems at hand Note: I use mostly linux so I won't need to change my laptop for many years maybe ...
View 2 Replies View RelatedI've built a new computer and successfully installed XP on it. I've tried to install Ubuntu 10.04 64-bit edition from a pen drive and CD. I can boot into the pendrivend use it however when I try to install it doesn't recognize the harddrive.At the moment there are no jumpers on the harddrive although I've tried them in several positions to no avail. I've also tried plugging the harddrive in several of the SATA ports on the motherboardeven tried unplugging the DVD drive altogether.. no joy. I also went into the Bios and changed the mode to AHCI (it was set to IDE)My motherboard is a Asus P6X58D-E with an i7processor and 2Gb ram.The harddrive is a 500Gb WD5000AAKS
View 7 Replies View RelatedI have Ubuntu 10.10 running on a HP Proliant DL380. The Server has 1 SCSI disk install which runs the Ubuntu OS. I recently added a new SCSI drive to the system (hot swap)
Run fdisk -ls
But it does not show the device.
I've also run
Code:
sudo rescan-scsi-bus.sh -w -l
which returned
Code:
0 new device(s) found.
0 device(s) removed.
I've have 4 other scsi bays which have the same result. I need to be able to see the drive before I can even mount/format.
So I have a hard drive with about 700 gb of movies on it and i plugged it in via USB and it didn't show up anywhere. So i then tried to plug it into the computer any way i could finally i tired another external case and now it is found (sorta).I open my /media folder and there it is a drive labeled Movies it had an x and it said i couldn't open it no permissions so i added permissions. now i open it and it says no files but only 160 gb space remaining on a 1 tb drive. so when i run fdisk -l i get this:
Code:
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
[code]....
I recently purchased a Rocketfish 4-port powered USB Hub for my laptop. It works fine for my mouse, keyboard, and printer, but my Toshiba external hard drive doesn't seem to work. The output of lsusb is
Code:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 05a9:2640 OmniVision Technologies, Inc. OV2640 Webcam
Bus 002 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 002 Device 046: ID 03f0:7211 Hewlett-Packard
Bus 002 Device 109: ID 046d:c315 Logitech, Inc. Classic New Touch Keyboard
Bus 002 Device 113: ID 046d:c51b Logitech, Inc. V220 Cordless Optical Mouse for Notebooks and the last few lines of dmesg are:
Code:
[ 3609.560058] usb 2-3.4: new high speed USB device number 33 using ehci_hcd
[ 3609.700560] hub 2-3:1.0: unable to enumerate USB device on port 4
[ 3610.129955] usb 2-3.4: new high speed USB device number 34 using ehci_hcd
[ 3610.253113] scsi685 : usb-storage 2-3.4:1.0
[ 3610.396203] usb 2-3.4: USB disconnect, device number 34
[ 3610.676614] usb 2-3.4: new high speed USB device number 35 using ehci_hcd
[ 3610.808465] hub 2-3:1.0: unable to enumerate USB device on port 4
[ 3611.350042] usb 2-3.4: new high speed USB device number 36 using ehci_hcd
[ 3611.373881] hub 2-3:1.0: unable to enumerate USB device on port 4
[ 3611.863429] usb 2-3.4: new high speed USB device number 37 using ehci_hcd
Interestingly the drive shows up as /dev/sdb, but there is no corresponding /dev/sdb1 or /dev/sdb2 for the two partitions on it.
The drive works fine if I plug it directly into my laptop.
My parents bought a new hard drive for a laptop that I've owned for several years. It's much larger than the current one, so I plan on splitting it up to dual boot it with Ubuntu.I have no problem with partitioning a drive (I always keep a LiveCD handy), but my question is this: how can I go about moving the existing partition to the new drive? This is a laptop, so I can't simply plug the new drive into another slot.
Also, even if I manage to move it, will Windows still work on the new drive in a larger partition? I've had this laptop for quite a while, and I've lost the recovery discs that came with it a long time ago. I also have a lot of software without CDs to reinstall them with. This makes not reinstalling Windows a high priority.
I have an old Dell Dimension 2400, currently running winXP. It has a second hard drive attached onto which I'd like to install ubuntu. The drive is visible in My Computer, but when I began the install process, ubuntu didn't give me any option to install on the second drive; it doesn't seem to see it's there. I went into the Setup menu and the drive isn't found there. Does anyone know what I need to do to configure things so that I can get ubuntu onto the second HD?
View 2 Replies View RelatedI tried installing Red Hat linux on my Sata hard disk . As soon as the hardware detection phase starts it generates the error "No hardware detected".roblem? (I have also tested RHLE 5, CentOS 5.4, but none of them detect the hard disk and I can not install anyone).I have installed Windows 7 on one of my disks and I have not any problem with it.I also changed storage configuration in Bios as AHCI, IDE,
My Hardware config is as below:
Mainboard: ASUS P6X58D premium,
CPU: core i7 950,
HDD: two 1 TB WD SATA3
Ram: 6 GB (3*2 GB cruciall[/U][/U][/B]
I'm pensioning off my 10-years-old home server and replacing it with an Ubuntu 10.04 box. The two storage devices are a Western Digital Caviar Green 2.0TB HD and an Intel X25-M 34nm Gen 2 80GB SATA II 2.5inch SSD (the box has 8GB RAM and an i5 750, if it matters).
I don't care much about boot times (since I don't plan to reboot all that often;-); the main frequent, performance-demanding task will be (re)building large open source C or C++ software packages from sources (as an open source contributor, I do that often).
So, I thought I'd keep the SSD as the secondary drive and the HD as the primary one, using the SSD mostly for the files that can otherwise demand a lot of seeking (esp. in a parallel make).
However, the friendly vendor (perhaps more experienced in Windows systems than in Linux ones) thinks the "normal" way to configure the machine would be with the SSD as the primary drive. I'm pretty rusty on configuring and tuning systems, so, I thought I'd better double check on SuperUser.
I have WD external hdd (80GB) formatted with fat32. I was using this hdd to transfer the data from computer A (LINUX, RH9) to computer B (Win7).
I was keep copying and deleting the data in the WD hdd during the data transfer because the amount to transfer is more than 300GB.
After doing this several times (and the WD drive was emptied), comp. A said the disk is full. I checked using 'df' and it was really full but 'ls -la' shows that there is no data in it.
I checked it in comp. B, and it showed empty. I tried to format in comp. A using 'mkdosfs -F 32 /dev/xxx# (block#)', but showed an error message like below.
'Warning: block count mismatch: found 78xxxxx but assuming 0'.
I found a similar situation in this forum metioning 'possible damaged linux kernel (not exactly same expression though)', so I re-installed linux in comp. A, but the problem was not solved.
1. why the disk info. is showed differently in linux and win7
2. why I cannot format it
Ubuntu does not see any hardware RAIDs on this server - Intel confirms that they do not support Debian distros with this onboard SATA controller.
Tried going with CentOS and OpenSUSE ... CentOS would install, but wouldn't boot. OpenSUSE would work but after multiple installs, Samba wouldn't start.
That left us with Ubuntu Server.
While Ubuntu Server can't see a hardware raid, it can see each of the hard drives individually. From there, I created a software RAID during Ubuntu setup and was able to install.
Initially had some issues with mdadm "losing" the hot-spare ... was able to fix that by adding sd[abc][12] to /etc/mdadm/mdadm.conf ...
It worked fine until I plugged a WD MyBook usb hard drive into the machine.
I lose the hot spare (configured on /dev/sdc) because it mounts the USB hard drive there.
I need to be able to make it mount the USB hard drive AFTER mdadm configures /dev/sdc as the 3rd Hitachi hard drive
What needs to be done to make this work?
I am learning software raid 1 with centos 5.5. I created the raid with out any problems and removed the first drive to check there was no problems and it booted. I have installed the old drive back in the system as hdc and need to resync the drives (used old drive as partitions correct) I thought I could use raidhotadd but id does not seem to exist anymore. how I resync the drives in the array hda primary and hdc secondary using mdadm
View 1 Replies View RelatedI have a SATA drive that worked fine. Then I installed two more hard drives into my system. When these hard drives are installed, if I try to access the SATA drive in Linux, it will start lightly clicking and then the drive will become unavailable. If I power on the machine without the other two hard drives then it works fine. What could be causing this to happen? I don't think it's heat because the two hard drives are far away from the SATA drive.
View 1 Replies View RelatedI'm renting a dedicated server with a company that claims that the server has 2 hard drives in a software RAID 1 array, but I need to make sure that the server really has the 2 HDD, and the size of the 2nd drive... how to do that ?? system is Centos 5.3
View 1 Replies View RelatedIt's been a real battle, but I am getting close.I won't go into all the details of the fight that I have had, but I've almost made it to the finish line. Here is the set up. ASUS Z8PE-D18 mother board 2 CPU, 8 Gig Ram. I recently added an OCZ Agility SSD, defined a raid 1 virtual disk on the 1 terabyte WD HDD drives, which will holds all of my user data, the SSD is for executables.The bios is set to AHCI. Windows 7 installed fine, recognizes the raid VD just fine.
I installed Ubuntu 10.04 by first booting into try and mode, then opening a terminal and issuing a "sudo dmraid -ay" command. Then performing the install. I told it to install the raid components, and told it to let me specify the partitions manually. When setting up the partitions, I told it to use the free space I set aside on the SSD from the Windows 7 install as ext4 and to mount root there. Ubuntu installed just fine, grub2 comes up just fine, and Windows 7 boots with out a hitch, recognizing the mirrored partition as I indicated previously. When I tell grub to boot linux however, it pauses and I get the "no block devices found" message. It will then boot, but it does not recognize the raid array. After Ubuntu starts up I can run "dmraid -ay" and it recognizes the raid array, but shows the two component disks of the raid array as well. It will not allow the component disks to be mounted, but they show up which is annoying. (I can live with that if I have to)
I have fixed a similar problem before by setting up a dmraid script in /etc/initramfs-tools/scripts/local-top ... following the instructions found at the bottom of this blog:[URL].. To recap: My problem is that after grub2 fires up Ubuntu 10.04.1 LTS (Lucid Lynx), it pauses, and I get "no block devices found" It then boots but does not recognize the raid array untill I manually run "dmraid -ay". I've hunted around for what to do but I have not found anything. It may be some timing issue or something, but I am so tired of beating my head against this wall.
How long does hardware Raid card (raid 1, 2 drives)take to mirror a 1 TB drive (500gb used)?Is there a general rule of thumb for this?4 hours? 12 hours? 24 hours?
View 1 Replies View RelatedI have a problem with my hard disk...this HHD had no OS just data in some linux file system....i tired to plug it in a windows OS and backup the files....but now the HHD file systems shows RAW. Now when i plug in fedora 15 OS the HHD is not mountable. I tried to # grub-install /dev/dbc1 but it give me an error. error "Bios driver not found" What can i do to restore my file system so i can recover my data?
View 2 Replies View RelatedI know my Linux Servers have RAID but I want to know
1. Can I find RAID level?
2. how to find Disk information...I mean if it's not possible to get RAID Can I get how many hard drives and the real size?