I created my data pool using /dev/disk/by-id and things went well. a recent view of zpool status however showed /dev/sdb and /dev/sdc being used instead. how can I be sure a rearrangement of my disks wont cause error?
View 2 RepliesI recently removed windows 7 from my computer and am now only using ubuntu. I used a live cd to grow the partition to use the new available space, but now the system just hangs at the Verifying DMI pool data section of bios. This is usually the first thing before grub loads.
View 1 Replies View RelatedI was a windows XP user and one fine day my windows crashed and blue screen of death appeared. I have downloaded Ubuntu and created an ISO image on my pendrive with the help of the another computer as per the steps mentioned on the linux website. Now when am tryin to boot my corrupt PC with pendrive i cannot move beyond the comment " verifying DMI pool data" nothing happens later.
View 3 Replies View RelatedI was dual-booting Windows 7 and Ubuntu 10.10 till recently. Then I had to reinstall Windows. After re-installation of Windows I did not try to restore Grub and deleted Ubuntu partitions on disk thinking that I'll install newer Natty version. But now when I try to install Ubuntu 11.04 using pen drive it gets stuck in bios showing message "Verifying DMI pool data ....". I also tried to boot GParted, memtest and Windows 7 with the same pen drive. Same thing occurred with GParted and memtest but Windows 7 installation did not stuck and went as usual. So I guess it's not hardware.
View 5 Replies View RelatedI installed ubuntu 10.10 on a machine that had windows 7 x64. itts installed on a seperate HD, but now when I boot to the harddrive with windows 7 all i get is "verifying DMI pool data" how do I fix this so I can get back to windows 7 as well?
View 9 Replies View RelatedDuring installation when i set the partitions i have to provide a Name and a Label. What is the difference of these? It looks like only one should be needed. Any problems of using the same name for both?
View 3 Replies View RelatedI had Fedora11 (default layout) running on a separate hard drive (winXP on the other drive). After the FC drive failure I replaced the drive and did a fresh install again. This time I tried a custom layout to keep the /home on a separate partition. The installation went without a hitch, but on first boot the system hangs with "Verifying DMI Pool Data......"
XP boots fine though. Looks like grub doesn't get loaded. I can boot with the installation cd and get into recovery mode, everything seems fine on the fedora disk. Fdisk result:
Grub.conf:
I've recently tried to do a full install to a USB stick using a 10.04 cd.
2 things happen as I boot:
1. if Hdds are attached, boot hangs on "checking dmi pool data..."
2. if hdds not attached, "hdd error" scrolls across screen
boots normally w/o the usb stick. I've set up my partitions on usb stick as
1: fat32 2gb <<windows/storage
2: fat32 1.5gb << future persistent install
3: ext4 4gb << hoped-for full install
1 is the first partition so windows finds it nicely. Before install, i unplugged my hdds so that grub wouldn't get confused. I told the installer to put the full install on sda3 with no swap space. I checked (advanced button on summary page) that bootloader is being installed to the usb on dev/sda (sda since no other drives attached). This should put it in the MBR (i think?)
Seems like I pressed all the right buttons huh? Is there a way to diagnose grub and see what's wrong? is there a reason grub may not initialize properly from a usb drive?
Sometime system wait during boot a long time on
Code: Select allrandom: nonblocking pool is initialized and Code: Select allPM: Starting manual resume from disk etc.
When everything is ok boot took around 20seconds. But when this problem occur it can take around 5 minutes. It occure during normal boot, but there are some information about resume from hibernation in log. But I didn't hibernate it. And hibernation doesn't work reliably so I removed uswsusp because I tried to fix hibernation with installing uswsusp first.
My laptop: MSI EX600X-033Sk (C2D T5250, Nvidia 8400g, It has firewire, usb2.0, ...)
I tried to google stuff like "Jessie slow boot", "Stack on random: nonblocking pool is initialized" etc but I didn't found any solution.
Here is few parts of my kern.log:
Code: Select allDec 2 21:27:57 MSI-EX600X-033SK kernel: [  1.950232] sd 0:0:0:0: [sda] 468862128 512-byte logical blocks: (240 GB/223 GiB)
Dec 2 21:27:57 MSI-EX600X-033SK kernel: [  1.952800] sd 0:0:0:0: [sda] Write Protect is off
Dec 2 21:27:57 MSI-EX600X-033SK kernel: [  1.955190] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
Dec 2 21:27:57 MSI-EX600X-033SK kernel: [  1.955218] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[Code] ....
How can I load packages from the cd? I installed from cd1 which I burned on a desktop, then installed Lenny onto a laptop. Works great, no problems except I have no way of connecting the laptop other than wireless.
I've found the network manager package on the cd, but don't have a clue how to install it. I really need to get the wireless working so I can install package manager, wi-fi radar and some other things. I tried putting the disk back in and thought rescue mode might bring me back to where I could select the individual packages I need, but that didn't work, it just wanted to go through another install. Thought there was a way to select individual packages and add them to the installation.
I have Debian 6 (squeeze), I have also seen this under Ubuntu (can not remember how I fixed it). (has worked in ubuntu 10.10)I can hibernate, but when I switch on the system cold boots (it does not restore previous session).Note suspend works fine. Have looked in /var/log/pm-suspend.log Shows for each block of suspend suspend a block of resume suspend, but hibernate hibernate is not followed by resume hibernate ( I assume that is what is expected.)
View 7 Replies View RelatedWe had a server failure this morning because grub was throwing error 15 (file not found). We discovered that the disk had changed names from hd0,0 to hd1,0. Making the appropriate replacements in menu.lst fixed the problem, but I'm still wondering what could have caused the spontaneous name change.
here are some other possibly related tidbits: * the server had been down because of a power loss, but it is behind a UPS so i doubt there is any electrical damage * eth0 also temporarily failed but the system failed over to eth1
My current theory is that when the bios was configuring the hardware the loss of eth0 shuffled around the addresses of the remaining hardware on the pci bus, which somehow caused the hd0/hd1 confusion. The problem is that everything i've read [URL] says that the drive assignment should be based on the way the disk is connected to the motherboard (which in this case didn't change)
I have deb6 installed in VMWARE ,i am posting my fstab config file
/dev/mapper/debian-root / ext4 errors=remount-ro 0 1
# /boot was on /dev/sda1 during installation
UUID=0e7bc1e7-4f8c-4dee-a6e9-ae6d0669755e /boot ext2 defaults $
/dev/mapper/debian-home /home ext4 defaults 0 2
[code]....
What are the advantages of the multiple partition setups other than resistance to data loss in crashes? Is there any other reason to have a special partition just for your boot directory (kernel files and config) than surviving a major crash?
Also, is it possible to make the Debian installer accept an existing set of partitions? Or even alter the size of the automatically created partitions? Does expert mode let you control the partitions? How many other very detailed things would I have to know to use expert mode, though?
I've bought a new notebook. The hard drive won't stop spinning down and then spinning up again during load. I don't want HD power saving, so I disabled it within
1. /etc/hdparm.conf
Code: Select all# -B apm setting
apm = 255
# -B apm setting when on battery
apm_battery = 255
It didn't work. I can still hear the HD spin up. It's annoying in a video game because things just suddenly stop for a second.
2. /etc/udev/rules.d/50-hdparm.rules
Code: Select allACTION=="add", SUBSYSTEM=="block", KERNEL=="sda", RUN+="/usr/bin/hdparm -B 255 -S 0 /dev/sda"
This was also every tip I could find during RTFM.
Other specs:
Acer Aspire E5-521G-88A8 Notebook
AMD A8-6410 APU
4 GB RAM
AMD Radeon R5 2 GB VRAM
hdparm model number: ST1000LM024 HN-M101MBB
Debian Jessie
A few days ago I upgraded from debian 7 to 8. First I update, upgrade and dist upgrade - change source list and again update, upgrade and dist upgrade.When inserting a USB disk on key, it works okay. When plugging my WD "My passport" backup USB disk it does not work. The automatic mount works, but the disk can be accessed.I tried to do it manually in a format that worked on debian 7..Manual mount fails too.
umount My passport
fdisk -l (to see device name)
mount -t vfat -o rw /dev/sdb1 /media/kuku/usb_mp4
dmesg | tail
[ 2381.080822] sd 9:0:0:0: [sdb] No Caching mode page found
[ 2381.080828] sd 9:0:0:0: [sdb] Assuming drive cache: write through
[code]....
Is it better to install LUKS to raw disk (/dev/sdb) or disk partition (/dev/sdb1)? What are best LUKS options?
"cryptsetup benchmark" output
Code: Select allPBKDF2-sha1Â Â Â 1310720 iterations per second
PBKDF2-sha256Â Â Â 862315 iterations per second
PBKDF2-sha512Â Â Â 590414 iterations per second
[Code] ....
Is slow hash better or how to choose it? It is clear that aes-xts is best choise. Is 265 bit key good?
How can i get a RAID virtual image disk?
What i need is to mount several directories from any other partiton (or file system) as a new merge file system that can grow or decrease depending on the free space. As if it was a dinamic RAID,so i can work with huge files distributed over the partitions mounted.
Ejemp: /mnt/sda1/dir_raid1 + /home/dir_raid2 + /mnt/sda3/dir_raid3 ---> /mnt/RAID/
mhddfs and unionfs <---- are not the solution im searching (cant use huge files)
I seem to have a major discrepancy between what df reports and what du reports. df tells me that I am using 20G, but I am only able to find 9.5G using du. What follows are the ls -l of root, a df of my system, and the du for every directory in root that is not a symbolic link, mnt, or proc. I would appreciate any suggestions on where to look for the remaining 10.5G that seems to have disappeared.
I am running under VM Player code...
concerning Linux, mdadm, and creating RAID Array's in Debian. I've done a lot of reading and research on RAID both on this board and elsewhere (The Linux Documentation Project's Software-RAID HOWTO is especially good), but I've run across something that no one seems to explain, and I'm not sure why. I'm instructed to create partitions on the drives I wish to add to my array. These partitions inevitably take up the whole disk, and are always have their system IDs set to "Linux raid autodetect". What I don't understand is why, after creating these partitions, some guides then go on to create an array (say a RAID5 one) with just the disks themselves as members, while others go on to create the RAID5 array with the previously created partitions as members. E.g.,
mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sda /dev/sdb /dev/sdc /dev/sdd
vs.
mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1
What's the advantage of using one over the other?
im am new in compiling kernel, i had kernel 2.6.32-5 on debian 6 , so i compiled kernel 2.6.38.6 , my system can boot and up but i have a problem with flash disk and CDs and DVDs , now i cant mount these cases, in compiling i select CD-ROM /dvd filesystem and Dos/fat/NTFs filesystem too
View 1 Replies View RelatedThere is a disk 500 gb, it is broken on /boot and on /root and on /dev/sda1 and /dev/sda2. Whether prompt it is possible to redistribute a disk without loss of data namely it is necessary to make/boot and two equivalent on disk volume.
View 3 Replies View RelatedI'm trying to setup a PXE server with Jessie. I've got the basic setup working by following the steps at [URL] .... That part was really easy. I would like to make the process as automated as possible and then add Win7/10 to the system as well.
The first hurdle I've come across is the fact that netboot downloads everything off the repositories. This has the potential to use up a lot of bandwidth and I would like to avoid this if possible. The first idea I came across was to create a local mirror, this way not only will I be installing everything off the LAN but I'll also be getting all the updates for my systems off the LAN too. I wasn't too keen on this. The other option that I read about was to use the debian ISOs instead.
What I have tried is to copy the Debian ISO to /var/www/html/debian
Then, when my boot via the pxe, i set the option to manually select a repository and then i type in the IP address for my webserver for the address and type in /debian for the mirror directory.
However it breaks at this point. I get a message saying "Downloading a file failed"
I would prefer the as much of the install to come from the ISO as possible to keep bandwidth usage to a minimum.
For Win10, I read that I have to use an AIK to build the Winpe and then boot that. Then I can load the Windows10 ISO via nfs through Winpe.
pxelinux.cfg/default
Code: Select allroot@DHCP:/srv/tftp# cat pxelinux.cfg/default
UI menu.c32
TITLE PXE Test Boot
LABEL Debian 8
  kernel linux
  append vga=normal preseed/url=http://192.168.0.254/debian/preseed.txt initrd=initrd.gz --
LABEL Windows 10
  kernel ??
  append ??
LABEL HardDrive Boot
 Â
This is a preseed I have setup so far
Code: Select all#### Contents of the preconfiguration file (for jessie)
### Localization
# Preseeding only locale sets language, country and locale.
d-i debian-installer/locale string en_US
[Code] ....
I've got an 8-disk raid-5 setup, and one of the disks failed. I shut the system down, replaced it, and powered the box back on again. Then, I made a catastrophic mistake; I 'failed' and removed the wrong disk (should have been sdj1, and I typed sdk1 by accident). I tried to re-add sdk1 back to the raid array, but it got listed as 'spare'. My raid array is off-line, since I now have 2 disks unavailable.
I know that the data still exists on sdk1, is there any way I can get the raid array to recognise the fact that it's a valid part of the array, and not a spare disk? At least if I can do that, I'll have a degraded but accessible array, and then I can rebuild the array on the properly replaced disk.
I got a new machine with GA-p55A-ud3 mobo and a WDC WD10EARS 1T disk. When I tried to benchmark the disk IO, I was suprised by the low write speed:
[Children see throughput for 1 initial writers = 35962.63 KB/sec
Parent sees throughput for 1 initial writers = 35962.63 KB/sec
Min throughput per process = 35962.63 KB/sec
[code].....
I keep noticing disk activity every roughly 1 to 3 seconds even though there is "nothing" going on. Of course, I run a number of "system" and "user" application packages - Apache2, MySQL, Browsers (Opera, IceWeasel), an SMB client and server, OpenOffice 3.0RC8 being the most prominent ones. I wonder what might be the cause for this constant disk activity which happens even when none of the applications do any noticeable work at all. Is there a way to determine the process that does those disk read/writes?
View 6 Replies View RelatedGnome-disk-utility doesn't show filesystem type, mount point, filesystem label, size¦ of my / filesystem.
I am running Debian Squeeze using lvm2. I have two HDDs and each has one primary partition, which are used as PVs. Having two VGs, each VG has it's own PV.
There are some LVs and all of them except the LV holding the swap space are formatted with XFS. Now gnome-disk-utility shows everything about my /home LV, another LV containing a whole Ubuntu installation,¦ only the / LV (and Swap LV, but I don't know what it is supposed to show there) is/are missing nearly all information.
Otherwise the system is running perfectly well and the Debian / LV is shown normally in Ubuntu's disk-utlity, as well as all other LVs.
fdisk
Physical volume
Volume group
Volume group
lvdisplay
Logical volume
Logical volume
Logical volume
Logical volume
Logical volume
DebianCopy is a copy of my Debian installation (different fs label and UUID). DebianII (again different UUID and label) is a copy too, but there I tried out newer (testing) versions of udisks/lvm2/udev and right after the upgrade it showd everything as it should with the additional advantage of the newer udisks-version showing my VGs, but after a reboot it showed the same behaviour as before or even worse, because the information about other LVs was missing too.
In the end I even modified the fstab. Originally it contained the /dev/mapper/vgbay... entries and I replaced them with LABEL=... and finally with UUID=..., but it didn't make any difference either.
So, my issues since upgrading to Jessie seem to compound. When I fix one issue, two more arise. Right now, I have a full system disk. How it got so full. So I started poking around. I ran
Code: Select all find / -type f -size +50M -exec ls -lh {} ; | awk '{ print $NF ": " $5 }'
Found a few files I could delete, and did, but I also found Code: Select all/var/log/syslog.1: 33G
/var/log/messages: 33G
/var/log/user.log: 33G
What I find strange is that they're all exactly 33G each. So that accounts for the missing 99GB I deleted them, however only recovered 27Gb. Whats weird is when I type df -h I get
Code: Select allFilesystem   Size Used Avail Use% Mounted on
/dev/dm-0Â Â Â Â 106GÂ Â 74GÂ Â 27GÂ 74% /
udev       10M   0  10M  0% /dev
tmpfs      3.2G 9.7M 3.2G  1% /run
tmpfs      7.9G   0 7.9G  0% /dev/shm
tmpfs      5.0M 4.0K 5.0M  1% /run/lock
tmpfs      7.9G   0 7.9G  0% /sys/fs/cgroup
/dev/sda1Â Â Â Â 228MÂ Â 27MÂ 189MÂ 13% /boot
/dev/sdb1Â Â Â Â 1.9TÂ Â 62GÂ 1.8TÂ Â 4% /media/ntfs
tmpfs      1.6G   0 1.6G  0% /run/user/0
What are the tmpfs's and how can I reclaim that space, and what is /dev/dm-0 and why is that taking up so much space?
I have 2 LVGs vgdisplay -v
Code: Select allroot@SETV-007-WOWZA:~# vgdisplay -v
  DEGRADED MODE. Incomplete RAID LVs will be processed.
  Finding all volume groups
  Finding volume group "WOWZASERVER"
[Code] ....
After deleting the log files, I was able to regain access to my GDM session. But I still cant find out what /dev/dm-0 is, and where all the 75 GB is being taken up.
I just noticed, however, even though I can access the drive A-OK via browser, terminal, and web services (Our wowza) when I enter gParted I get this error for sda, my primary OS drive!
Code: Select all Libparted Bug Found!
Error informing the kernel about modifications to partition /dev/sda2 -- Invalid argument. This means Linux won't know about any changes you made to /dev/sda2 until you reboot -- so you shouldn't mount it or use it in any way before rebooting
Now that I'm in gParted I see 3 partitions: [URL] ....
It reports now, that I have used ALL of my disk space.
Post Log delete, and fresh reboot, this is what Code: Select alldf -h outputs
Code:
Select all Filesystem   Size Used Avail Use% Mounted on
/dev/dm-0Â Â Â Â 106GÂ 8.7GÂ Â 92GÂ Â 9% /
udev       10M   0  10M  0% /dev
tmpfs      3.2G 9.8M 3.2G  1% /run
tmpfs      7.9G  80K 7.9G  1% /dev/shm
tmpfs      5.0M 4.0K 5.0M  1% /run/lock
[Code] ....
What the heck is going on?
I am trying to figure out where the harddisk power management can be found in Squeeze. Before it was in the scripts under /etc/acpi, but in Squeeze it's not. I'd like to be able to change the hdparm -B value from 128 to 200 when using battery.
View 3 Replies View RelatedSame computer and flash. Two results on different OS:
Write speed under debian: 0.4 MB/s
Write speed under Windows: 6.6 MB/s
From what i've been reading on the net I guess it's something to do with the mount - sync option.
I've notice that there are couple of workarounds but all of them are pretty tedious.
Is there any simple (GUI - one/two clicks) tool that allow to mount/unmount flash disk easily using the correct options?
I'm using Squeeze 6.0.2 (Kernel 2.6.32-5-amd64), gnome 2.30.2