search for: mydisk

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2007 Apr 14
1
Move data from the zpool (root) to a zfs file system
...ot zpool file system (a large iSCSI SAN array). Thus: # zpool create -f iscsi c4t19d0 c4t20d0 c4t21d0 c4t22d0 c4t23d0 c4t24d0 # zpool list NAME SIZE USED AVAIL CAP HEALTH ALTROOT iscsi 9.53T 64.5K 5.34T 0% ONLINE - # zfs set mountpoint=/mydisks/iscsi iscsi Then copied almost 6TB (uncompressed) of data into a subdirectory of the root zpool: /mydisks/iscsi/fastdata. (I know, RTFM before using ZFS). So, now for many obvious reasons I want to move my data into a filesystem below my iscsi zpool (call: iscsi/fastdata). So I tried the fo...
2020 Feb 19
2
Poor write performance with golang binding
...st-xfer [options] [op] [diskimage] op = [ls|cat|write] options: -d, --guestdevice DEV guest device --blocksize BS blocksize [default: 1048576] -o, --offset OFF offset [default: 0] So eg. `cat /dev/urandom | guest-xfer -d /dev/sda write mydisk.img` will fill mydisk.img with pseudorandom content. I implemented this both with Ruby and Go. The 'write' op relies on pwrite_device. I have pasted the codes to the end of this mail. I'm creating mydisk.img as a qcow2 file with a raw sparse file bakcend $ truncate -s 100g myimg.raw...
2009 Sep 12
1
[PATCH] Let MEMDISK honor the quiet append option
When you add "quiet" to the append line, Syslinux doesn't display the file reading progress anymore. When you use this option to boot an image with MEMDISK, you still get a lot of text. ========================== LABEL mydisk LINUX memdisk INITRD mydisk.img APPEND raw quiet ========================== The following patch makes MEMDISK silent when the quiet keyword is passed to the append line, unless there is a fatal error. GeekToMe asked about this feature on http://www.boot-land.net/forums/index.php?showtopic=8935&amp...
2003 Jul 02
6
help: booting dos from syslinux/memdisk
Thanks for Remko for his help to solve the fractional cylinder problem. But there is the second problem, the boot disk failure (see below << [B]) ... command line: initrd=disk.img harddisk c=2 h=256 s=63 BOOT_IMAGE=memdisk Disk is hard disk, 16128K CHS=2/256/63 <<<< [A] ... Loading boot sector... booting... SYSLINUX 2.04 welcome! boot: 1 [single dot]
2020 Feb 19
0
Re: Poor write performance with golang binding
...op = [ls|cat|write] > > options: > -d, --guestdevice DEV guest device > --blocksize BS blocksize [default: 1048576] > -o, --offset OFF offset [default: 0] > > So eg. `cat /dev/urandom | guest-xfer -d /dev/sda write mydisk.img` will fill > mydisk.img with pseudorandom content. > > I implemented this both with Ruby and Go. The 'write' op relies on > pwrite_device. > I have pasted the codes to the end of this mail. > > I'm creating mydisk.img as a qcow2 file with a raw sparse file bak...
2012 Oct 28
5
Re-sizing qcow2 images
Hello All, I am using Centos 6.3 with libvirt 0.910 and qemu-kvm 0.12 I had to resize a qcow2 disk, and came across several issues; I used this command to resize the image: sudo -i /usr/bin/qemu-img /var/lib/libvirt/images/mydisk.img resize +100G . The disk is attached using virtio. I then tried to use parted from within the guest to resize the partition. The first problem was that the guest os did not see the increase disk size. Is there something that I need to do, to force the guest to see the higher disk size ? I go...
2013 May 09
1
PATCH: Allow specifying the filesystem driver for guestmount
Currently guestfish has mount-vfs, and the libguestfs API has guestfs_mount_vfs(), but guestmount doesn't allow the user to specify a filesystem. This patch extends the --mount argument, so you can force an ext2 partition to mount as ext4: guestmount -a mydisk.img -m /dev/vda:/:defaults:ext4 mountpoint You could also use it to choose between ntfs and ntfs-3g, or between hfsplus and the commercial ufsd. Finally, it could be useful if blkid misidentifies the filesystem. GitHub compare doodad: https://github.com/vasi/libguestfs/compare/fuse-fstype Patch:...
2009 Oct 27
2
[PATCH 0/4] megaraid_sas HBA emulation
Hi all, this patchset implements an emulation for the megaraid_sas HBA. It provides emulates an LSI MegaRAID SAS 8708EM2 HBA, ie presenting to the guest a virtual SCSI adapter. Internally it is using aio for read/write requests and either SG_IO or SCSI command emulation for everything else. The reason for choosing the megaraid_sas HBA and not, say, implementing a virtio scsi interface is
2009 Oct 27
2
[PATCH 0/4] megaraid_sas HBA emulation
Hi all, this patchset implements an emulation for the megaraid_sas HBA. It provides emulates an LSI MegaRAID SAS 8708EM2 HBA, ie presenting to the guest a virtual SCSI adapter. Internally it is using aio for read/write requests and either SG_IO or SCSI command emulation for everything else. The reason for choosing the megaraid_sas HBA and not, say, implementing a virtio scsi interface is
2009 Jun 10
3
How to mount OCFS2 file systems using the EMC Power Path multipath device
OEL 5, OCFS 1.4, using EMC Power Path for multi pathing. I want t mount the OCFS2 file system on the emc power path device. I can mount by UUID, and not have to worry about persistent bindings across nodes. But how do I make sure when it mounts by UUID , that the pwoer path device is used. Any help will be much appreciated. Thanks -- Sridhar Avantsa savantsa at gmail.com -------------- next
2008 Jan 15
2
s10 HVM 64-bit boot
...'' else: arch_libdir = ''lib'' kernel = "/usr/lib/xen/boot/hvmloader" builder=''hvm'' memory = 2048 shadow_memory = 8 name = "S10U5HVM" vcpus=1 vif = [ ''bridge=nge1, ip=10.5.63.98'' ] disk = [ ''file:/xVM/s10/mydisk.raw,hdc,w''] on_poweroff = ''destroy'' on_reboot = ''destroy'' on_crash = ''preserve'' device_model = ''/usr/'' + arch_libdir + ''/xen/bin/qemu-dm'' boot=''cd'' sdl=0 vnc=1 vnclisten="0...
2009 Aug 26
3
Import vmware vmdk into xVM (osol-2009.06)
Good afternoon, I was wondering if anyone has any in site as to how to import a VMware vmdk into xVM on OpenSolaris 2009.06 (xVM 3.1). I have a VMware VM created on VMware Server 2.0 and would like to move it over to this xVM server. I appreciate any advice anyone may have. Cheers, -Chris -- This message posted from opensolaris.org
2011 Nov 20
2
Bug#649349: xen-hypervisor-4.1-amd64: pygrub fails due to invalid opcode trapped
...tc/xen/squeeze.cfg". Error: Boot loader didn't return any data! It seems related to the following error in dmesg [1440.163935] pygrub[3654] trap invalid opcode ip:7f732a997c50 sp:7fff60eb2258 error:0 in ld-2.13.so[7f732a984000+1f000] Note that pygrub does NOT fail If I launch 'pygrub mydisk.img' on a standard kernel boot, only if the hypervisor is used (tested with linux-image-3.0.0 and linux-image-2.39.2) Here are logs taken from xend.log [2011-11-20 09:01:11 2779] DEBUG (XendDomainInfo:103) XendDomainInfo.create(['vm', ['name', 'squeeze'], ['memory...
2018 Mar 31
1
[PATCH] virt-builder.pod: Update Fedora versions
...CACHING>). The name of the output file is derived from the template name, so -above it will be F<fedora-25.img>. You can change the output filename +above it will be F<fedora-27.img>. You can change the output filename using the I<-o> option: - virt-builder fedora-25 -o mydisk.img + virt-builder fedora-27 -o mydisk.img You can also use the I<-o> option to write to existing devices or logical volumes. - virt-builder fedora-25 --format qcow2 + virt-builder fedora-27 --format qcow2 -As above, but write the output in qcow2 format to F<fedora-25.qcow2>. +A...
2017 Apr 10
3
[PATCH] builder: various improvements to the documentation
...CACHING>). The name of the output file is derived from the template name, so -above it will be F<fedora-20.img>. You can change the output filename +above it will be F<fedora-25.img>. You can change the output filename using the I<-o> option: - virt-builder fedora-20 -o mydisk.img + virt-builder fedora-25 -o mydisk.img You can also use the I<-o> option to write to existing devices or logical volumes. - virt-builder fedora-20 --format qcow2 + virt-builder fedora-25 --format qcow2 -As above, but write the output in qcow2 format to F<fedora-20.qcow2>. +A...
2010 Aug 26
6
Wine distro with MS WOS look and feel
i think that if a distribution with MS WOS XP and 7 look and feel based on Gnome and Ubuntu or debian is released a lot of people would migrate. People is comdortable with what they know, even Gnome is easy to use, they like Control panel, Documents and Settings and Start vuttons from MS WOS. If program Icons should be in desktops, an start button with a control panel, My documents and so one,
2008 Jun 24
11
what''s correct way of shrinking LVM based domU?
Hi all I want to shrink one of my LVM based domU''s, but don''t quite know how to do it. I have searched the Wiki & HOWTO''s, and they all show you how expand / enlarge a LVM based domU, but not shrinking it. So, I stopped (destroyed) the domU, and then resized it as follows: lvresize /dev/data/cpanel1 -L10GB (It was 100GB), but when I a started it up again, I
2015 Jun 14
2
[PATCH] pod: Use F<> for filenames instead of C<>.
...CACHING>). The name of the output file is derived from the template name, so -above it will be C<fedora-20.img>. You can change the output filename +above it will be F<fedora-20.img>. You can change the output filename using the I<-o> option: virt-builder fedora-20 -o mydisk.img @@ -87,7 +87,7 @@ logical volumes. virt-builder fedora-20 --format qcow2 -As above, but write the output in qcow2 format to C<fedora-20.qcow2>. +As above, but write the output in qcow2 format to F<fedora-20.qcow2>. virt-builder fedora-20 --size 20G @@ -104,7 +104,7 @@ As...