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qemu [2018/12/24 11:26] nicolaqemu [2018/12/24 11:35] (current) nicola
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   * http://open-zfs.org/wiki/Performance_tuning#Alignment_Shift_.28ashift.29   * http://open-zfs.org/wiki/Performance_tuning#Alignment_Shift_.28ashift.29
   * http://open-zfs.org/wiki/Performance_tuning#Basic_concepts   * http://open-zfs.org/wiki/Performance_tuning#Basic_concepts
 +  * https://github.com/zfsonlinux/zfs/blob/master/cmd/zpool/zpool_vdev.c#L108
 +  * https://www.servethehome.com/the-case-for-using-zfs-compression/
 +  * https://utcc.utoronto.ca/~cks/space/blog/linux/ForcedUTF8Filenames
 +  * https://serverfault.com/questions/74411/best-compression-for-zfs-send-recv
 +  * https://github.com/zfsonlinux/zfs/issues/692
 +  * https://www.percona.com/blog/2018/05/15/about-zfs-performance/
 +  * https://forums.freebsd.org/threads/help-with-zfs-and-block-size-alignment.46957/
 +  * https://mpolednik.github.io/2017/01/23/virtio-blk-vs-virtio-scsi/
 +== ssh performance ==
 +https://famzah.files.wordpress.com/2015/06/openssh-ciphers-performance-2015-chart.jpg
 ==choose correct value ashift== ==choose correct value ashift==
-https://illumos.topicbox.com/groups/zfs/T2cf12f740806aa96-Ma3844bffd677334735f94f3d +  * https://illumos.topicbox.com/groups/zfs/T2cf12f740806aa96-Ma3844bffd677334735f94f3d 
 +  * https://wiki.orzfly.com/topics/zfs-on-linux-mount-raw-pool-image 
 +  * https://www.tecmint.com/setup-iscsi-target-and-initiator-on-debian-9/ 
 +  * http://dalaris.com/how-to-install-zfs-and-present-a-zvol-through-iscsi-in-ubuntu-14-04/ 
 +  * https://linuxacademy.com/howtoguides/posts/show/topic/21208-how-to-share-your-storage-with-iscsi 
 +  * https://help.ubuntu.com/lts/serverguide/iscsi-initiator.html.en 
 +  * https://linux.die.net/man/8/tgtadm 
 +  * https://unix.stackexchange.com/questions/132797/how-to-dd-a-remote-disk-using-ssh-on-local-machine-and-save-to-a-local-disk
 ==understanding aio mode == ==understanding aio mode ==
   * https://specs.openstack.org/openstack/nova-specs/specs/mitaka/implemented/libvirt-aio-mode.html   * https://specs.openstack.org/openstack/nova-specs/specs/mitaka/implemented/libvirt-aio-mode.html
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 ==qemu  disk with win10 performance == ==qemu  disk with win10 performance ==
 http://turlucode.com/qemu-disk-io-performance-comparison-native-or-threads-windows-10-version/ http://turlucode.com/qemu-disk-io-performance-comparison-native-or-threads-windows-10-version/
 +
 +
 +== initramfs ==
 +https://github.com/zfsonlinux/zfs/issues/6264
 +
 +==promblems==
 +https://helpful.knobs-dials.com/index.php/INFO:_task_blocked_for_more_than_120_seconds.
qemu.1545647209.txt.gz · Last modified: by nicola