Displaying 20 results from an estimated 4000 matches similar to: "sfdisk -g support in DomU"
2015 May 17
2
sfdisk: No more Cylinder / Head / Sector support in util-linux 2.26 and later
Hi,
it was brought to my attention that sfdisk has lost the ability to deal
with C/H/S addressing as of util-linux 2.26, so the -C ,-H, -S command
line parameters are no longer supported. Should there be a compile-time
check based on "sfdisk -h" output that would cause daemon/sfdisk.c to be
compiled only if something like the following is present?
,----
| Override the detected geometry
2015 Jan 28
1
[PATCH] daemon: parted: use --part-type with recent sfdisk
Check whether --part-type is supported (in the rewritten sfdisk in
util-linux >= 2.26), and use it instead of --print-id & --change-id.
The actual result should be the same, just not using a (recently)
deprecated command line API.
---
daemon/parted.c | 36 ++++++++++++++++++++++++++++++++----
1 file changed, 32 insertions(+), 4 deletions(-)
diff --git a/daemon/parted.c b/daemon/parted.c
2009 Nov 12
24
How to Backup and Restore MBR within Logical Volumes?
Hi All,
I have several Xen virtual machines within logical volumes using LVM2. I did
not use disk images for performance reasons.
Conventionally, if I want to clone my virtual machines, I have to dd the LV
to an image file. But this consumes a lot of time and harddisk space.
So, instead of doing that, I want to use losetup and kpartx with my logical
volumes, which contain operating systems of
2009 Dec 21
26
Questions on qcow, qcow2 versus LVM
I''ve been using lvm under centos to create the backing store for domUs and
although the performance seems acceptable it has some shortcomings. The
biggest of which is the LVM bug which prevents me from removing an lv (it
says it is still mounted and it definitely isnt). I thought this was just
a centos bug but it appears to be evident in debian and ubuntu too and I
really can''t
2010 Jan 20
1
Unclear documentation on 'numeric' and 'integer' (R-lang.pdf)
R-lang.pdf has the following description in Section 3.1.1.
"""
Any number typed directly at the prompt is a constant and is evaluated.
> 1
[1] 1
Perhaps unexpectedly, the number returned from the expression 1 is a
numeric. In most
cases, the difference between an integer and a numeric value will be
unimportant as R will
do the right thing when using the numbers.
2012 May 28
1
Disk geometry problem.
Hi all.
I have a CentOS server:
CentOS release 5.7 (Final)
2.6.18-274.3.1.el5 x86_64
I have two SSD disks attached:
smartctl -i /dev/sdc
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce
Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF INFORMATION SECTION ===
Device Model: INTEL SSDSA2CW120G3
Serial Number: CVPR13010957120LGN
Firmware
2011 Aug 04
3
[Q] VmError: Disk isn''t accessible with tap2:tapdisk:vhd
I''m newbie Xen-4.1.1
I''m trying to boot DomU with the following configuration.
Sometime DomU boot, but sometime boot failed
I''m not sure what is the problem.
I can attach that image with tap-ctl on Dom0.
Does anybody advice me about this problem??
Sincerely
* Environment
OS : Scientific Linux 6.1 x86_64
Kernel : 2.6.32.43
2015 May 17
0
Re: sfdisk: No more Cylinder / Head / Sector support in util-linux 2.26 and later
On Sun, May 17, 2015 at 05:06:15PM +0200, Hilko Bengen wrote:
> Hi,
>
> it was brought to my attention that sfdisk has lost the ability to deal
> with C/H/S addressing as of util-linux 2.26, so the -C ,-H, -S command
> line parameters are no longer supported. Should there be a compile-time
> check based on "sfdisk -h" output that would cause daemon/sfdisk.c to be
>
2006 Jun 29
6
LVM repairing or back to regular ext3?
Can anyone point me in the right direction for correcting errors on an HD
when using LVM? I've tried e2fsck and indicates bad block. I've tried
with -b 8193, 16384, and 32768 and no good.
I've found some info about reiserfsck on google, but this utility doesn't
seem to be included in Centos4.3. I did find it on my old FC1 box.
I am thinking now I really should have went with
2017 Feb 22
4
how to resize a partition of a disk define as a physical volume
How do you resize the partition without loosing data?
gparted does not support LVM.
On Wed, Feb 22, 2017 at 8:37 AM, SysAdmin <admin at s-s.network> wrote:
> Hi,
>
> you need to resize partition /dev/xvda2, afterwards resize pv.
>
> Regards,
> Holger
>
> > -----Urspr?ngliche Nachricht-----
> > Von: CentOS [mailto:centos-bounces at centos.org] Im Auftrag
2003 Dec 19
9
virtual disk/block-device problem
I am trying to write a script to handle setup of domains using virtual
block devices for their root FS and have been unable to get the virtual
devices to work with any sort of consistency. This is using xen-1.1.bk
on Redhat 7.3 (I had to rebuild all the tool binaries to run on 7.3).
Anyway, I would first like to make sure I am using the vd/vbd stuff correctly.
Here is an example of the problem I
2006 Aug 23
2
question on mounting a partition that is in a disk image
How do I mount a partition that is in an image file?
I have a file called centos.img that has 3 partitions in the file.
I need to copy data to the third partition on that image file.
I have seen things about a loop back device (which is fine)
but then it talked about an offset parameter and I dont know what
that is or more importantly what number to use. I hope I'm on the
right track.
How
2011 Apr 21
2
4kB sector size HDDs
Hello again.
Do any of you have one of the 'new' HDDs with 4kB Sectors currently in use?
I would upgrade to the 4kB disks but I don't know if this might be
problematic as I intend to use ZFS w/ RAIDz or at least a classic RAID6.
How might this affect performance under 5.5 and how do I go about setting up
the alignment of the partitions I use?
Kind regards
Dawid Horace
2010 Nov 30
4
CF disks images and centos
Hi all,
I have 8G -CF cards that I have been putting linux on.
Everything was working fine till yesterday when I got a new batch of CF
cards.
The size has changed. The original CF card was 7637M (255 heads/63
sectors/928 cylinders)
The new CF card is 8019M (255 heads/63 sectors/974 cylinders)
I would have thought putting the smaller image file onto the larger CF
card would be ok.
However its
2008 Apr 07
6
img file to physical disk
Hi all.
I''ve got a domU that exists in a sparse file image, I''d like to now use
this on a physical partition (loopback performance issues).
Is there an a easy way to do this ?
Thanks
Stuart
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2015 Nov 27
1
[PATCH 1/2] resize: Work around regression in sfdisk (RHBZ#1285847).
'sfdisk --part-type' used to merely set the MBR ID byte in the
partition. However since sfdisk was rewritten, it now "helpfully"
corrupts the first sector of the partition if you change the type byte
from an ordinary partition to an extended partition.
So we need to change the order in which we sets the partition type
byte, to do it before copying the partition content.
This
2015 Feb 17
4
Re: Mounting disk images with ext2 filesystems on RHEL7
On Mon, Feb 16, 2015 at 6:10 PM, Richard W.M. Jones <rjones@redhat.com>
wrote:
> On Mon, Feb 16, 2015 at 06:00:06PM -0500, Leonard Basuino wrote:
> > Hope someone can point me in the right direction. I don't know if what I
> > am trying to do should work or not.
> >
> > I have 2 disk images. One is a VM with an ext2 boot filesystem and ext4
> >
2007 Sep 05
2
Multiple xyplots
Hi everyone,
I'm hoping you can give me some pointers. I have a requirement to draw
multiple (103) xy line plots onto one output device. Ideally the plots
should be displayed in a hexagonal grid (example at
www.maladmin.com/example.jpg). I can calculate the locations for each
waveform but am wondering how to create multiple plotting areas. I have
come accross references to a package grid
2012 Jan 29
2
Advise on recovering 2TB RAID1
Hi all,
I have one drive fails on a software 2TB RAID1.
I have removed the failed partition from mdraid and now ready to
replace the failed drive.
I want to ask for opinion if there is better way to do that other than:
1. Put the new HDD.
2. Use parted to recreate the same partition scheme.
3. Use mdadm to rebuild the RAID.
Especially #2 is rather tricky. I have to create an exact partition
2007 Nov 19
10
Resize domU block device?
Is there a way for a domU to discover size changes of block
devices modified by dom0?
To make it clear - if I do in dom0 a lvresize of a logical volume given
as physical disk to a domU, is there a way to use the new size
of this device within the domU without reboot?
Thanks
Ralf
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