system:vicki_debian_lenny_to_squeeze
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system:vicki_debian_lenny_to_squeeze [2013-02-14T09:20:45+0000] michael_paoli typo fix |
system:vicki_debian_lenny_to_squeeze [2013-02-17T19:55:50+0000] michael_paoli syntax correction and a typo fix |
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| - | * present Debian GNU/Linux 6.0.4 "Squeeze" - Official i386 CD Binary-1 20120128-12:53 (or latest 6.0.x) from host to sflug guest,\\ we do this as a SCSI "disk" (though SCSI CD-ROM would be even more preferred), as we can't hot remove virtual IDE devices from guest (though we can change virtual media ... but sometimes we want to present multiple ISO images concurrently, and it's preferable to be able to remove the devices when they're no longer needed or wanted), so we present it from host vicki thusly:\\ # virsh attach-disk sflug /var/local/pub/mirrored/cdimage.debian.org/debian-cd/6.0.4/i386/iso-cd/debian-6.0.4-i386-CD-1.iso sdc optional --mode readonly\\ Note that that sometimes cases a slight booboo in the guest's configuration, which we'd fix via:\\ # virsh edit sflug\\ namely we'd want to change the driver name from file to qemu in the section for our added disk - otherwise the guest will fail to restart once (virtually) powered off. In our particular case this time around, virsh appeared to not introduce that issue (it used driver name phy) - probably "good enough", so didn't bother to "correct"/alter that at time of upgrade; we do however, still need to test full (virutal) power down and subsequent reboot of guest | + | * present Debian GNU/Linux 6.0.4 "Squeeze" - Official i386 CD Binary-1 20120128-12:53 (or latest 6.0.x) from host to sflug guest,\\ we do this as a SCSI "disk" (though SCSI CD-ROM would be even more preferred), as we can't hot remove virtual IDE devices from guest (though we can change virtual media ... but sometimes we want to present multiple ISO images concurrently, and it's preferable to be able to remove the devices when they're no longer needed or wanted), so we present it from host vicki thusly:\\ # virsh attach-disk sflug /var/local/pub/mirrored/cdimage.debian.org/debian-cd/6.0.4/i386/iso-cd/debian-6.0.4-i386-CD-1.iso sdc --mode readonly\\ Note that that sometimes causes a slight booboo in the guest's configuration, which we'd fix via:\\ # virsh edit sflug\\ namely we'd want to change the driver name from file to qemu in the section for our added disk - otherwise the guest will fail to restart once (virtually) powered off. In our particular case this time around, virsh appeared to not introduce that issue (it used driver name phy) - probably "good enough", so didn't bother to "correct"/alter that at time of upgrade; we do however, still need to test full (virutal) power down and subsequent reboot of guest |
| * on guest, scan SCSI devices, create mount point (if not present), update /etc/fstab, and mount it: | * on guest, scan SCSI devices, create mount point (if not present), update /etc/fstab, and mount it: | ||
| * # (for tmp in /sys/class/scsi_host/host*/scan; do echo '- - -' > "$tmp"; done) | * # (for tmp in /sys/class/scsi_host/host*/scan; do echo '- - -' > "$tmp"; done) | ||
system/vicki_debian_lenny_to_squeeze.txt ยท Last modified: 2013-02-17T20:00:48+0000 by michael_paoli
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