This is on the same machine, immediately following the failure above with a recommission and using the default flat scheme: mdadm: /dev/md/0 has been started with 2 drives. mdadm: stopped /dev/md0 mdadm: error opening /dev/md0: No such file or directory mdadm: stopped /dev/md0 mdadm: error opening /dev/md0: No such file or directory --2015-11-25 20:41:27-- http://10.0.0.1:5248/images/ubuntu/amd64/generic/wily/release/root-tgz Connecting to 10.0.0.1:5248... connected. HTTP request sent, awaiting response... 200 OK Length: 389850048 (372M) [text/html] Saving to: 'STDOUT' 0K ........ ........ ........ ........ ........ ........ 0% 11.1M 33s 3072K ........ ........ ........ ........ ........ ........ 1% 30.5M 22s 6144K ........ ........ ........ ........ ........ ........ 2% 36.4M 18s 9216K ........ ........ ........ ........ ........ ........ 3% 41.9M 16s 12288K ........ ........ ........ ........ ........ ........ 4% 33.0M 15s 15360K ........ ........ ........ ........ ........ ........ 4% 32.3M 14s 18432K ........ ........ ........ ........ ........ ........ 5% 29.1M 14s 21504K ........ ........ ........ ........ ........ ........ 6% 29.9M 13s 24576K ........ ........ ........ ........ ........ ........ 7% 30.7M 13s 27648K ........ ........ ........ ........ ........ ........ 8% 30.1M 13s 30720K ........ ........ ........ ........ ........ ........ 8% 34.9M 12s 33792K ........ ........ ........ ........ ........ ........ 9% 31.0M 12s 36864K ........ 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31% 46.4M 8s 119808K ........ ........ ........ ........ ........ ........ 32% 50.8M 8s 122880K ........ ........ ........ ........ ........ ........ 33% 35.1M 7s 125952K ........ ........ ........ ........ ........ ........ 33% 37.8M 7s 129024K ........ ........ ........ ........ ........ ........ 34% 5.56M 8s 132096K ........ ........ ........ ........ ........ ........ 35% 27.9M 8s 135168K ........ ........ ........ ........ ........ ........ 36% 29.0M 8s 138240K ........ ........ ........ ........ ........ ........ 37% 27.6M 8s 141312K ........ ........ ........ ........ ........ ........ 37% 30.0M 8s 144384K ........ ........ ........ ........ ........ ........ 38% 30.0M 8s 147456K ........ ........ ........ ........ ........ ........ 39% 26.1M 8s 150528K ........ ........ ........ ........ ........ ........ 40% 12.4M 8s 153600K ........ ........ ........ ........ ........ ........ 41% 103M 7s 156672K ........ ........ ........ ........ ........ ........ 41% 106M 7s 159744K ........ ........ ........ ........ ........ ........ 42% 109M 7s 162816K ........ ........ ........ ........ ........ ........ 43% 103M 7s 165888K ........ ........ ........ ........ ........ ........ 44% 100M 7s 168960K ........ ........ ........ ........ ........ ........ 45% 96.6M 6s 172032K ........ ........ ........ ........ ........ ........ 45% 120M 6s 175104K ........ ........ ........ ........ ........ ........ 46% 112M 6s 178176K ........ ........ ........ ........ ........ ........ 47% 78.7M 6s 181248K ........ ........ ........ ........ ........ ........ 48% 112M 6s 184320K ........ ........ ........ ........ ........ ........ 49% 136M 6s 187392K ........ ........ ........ ........ ........ ........ 50% 128M 6s 190464K ........ ........ ........ ........ ........ ........ 50% 21.9M 5s 193536K ........ ........ ........ ........ ........ ........ 51% 31.4M 5s 196608K ........ ........ ........ ........ ........ ........ 52% 33.1M 5s 199680K ........ ........ ........ ........ ........ ........ 53% 33.4M 5s 202752K ........ ........ ........ ........ ........ ........ 54% 40.9M 5s 205824K ........ ........ ........ ........ ........ ........ 54% 25.2M 5s 208896K ........ ........ ........ ........ ........ ........ 55% 37.0M 5s 211968K ........ ........ ........ ........ ........ ........ 56% 34.3M 5s 215040K ........ ........ ........ ........ ........ ........ 57% 31.4M 5s 218112K ........ ........ ........ ........ ........ ........ 58% 33.3M 5s 221184K ........ ........ ........ ........ ........ ........ 58% 35.4M 5s 224256K ........ ........ ........ ........ ........ ........ 59% 27.1M 5s 227328K ........ ........ ........ ........ ........ ........ 60% 4.04M 5s 230400K ........ ........ ........ ........ ........ ........ 61% 21.2M 5s 233472K ........ ........ ........ ........ ........ ........ 62% 50.7M 5s 236544K ........ ........ ........ ........ ........ ........ 62% 52.8M 5s 239616K ........ ........ ........ ........ ........ ........ 63% 49.9M 4s 242688K ........ ........ ........ ........ ........ ........ 64% 47.7M 4s 245760K ........ ........ ........ ........ ........ ........ 65% 14.1M 4s 248832K ........ ........ ........ ........ ........ ........ 66% 6.87M 4s 251904K ........ ........ ........ ........ ........ ........ 66% 23.0M 4s 254976K ........ ........ ........ ........ ........ ........ 67% 1.87M 5s 258048K ........ ........ ........ ........ ........ ........ 68% 7.56M 5s 261120K ........ ........ ........ ........ ........ ........ 69% 14.5M 5s 264192K ........ ........ ........ ........ ........ ........ 70% 28.6M 5s 267264K ........ ........ ........ ........ ........ ........ 71% 34.9M 4s 270336K ........ ........ ........ ........ ........ ........ 71% 37.9M 4s 273408K ........ ........ ........ ........ ........ ........ 72% 40.6M 4s 276480K ........ ........ ........ ........ ........ ........ 73% 34.3M 4s 279552K ........ ........ ........ ........ ........ ........ 74% 43.0M 4s 282624K ........ ........ ........ ........ ........ ........ 75% 32.2M 4s 285696K ........ ........ ........ ........ ........ ........ 75% 32.9M 4s 288768K ........ ........ ........ ........ ........ ........ 76% 31.5M 4s 291840K ........ ........ ........ ........ ........ ........ 77% 36.1M 3s 294912K ........ ........ ........ ........ ........ ........ 78% 42.3M 3s 297984K ........ ........ ........ ........ ........ ........ 79% 38.5M 3s 301056K ........ ........ ........ ........ ........ ........ 79% 42.1M 3s 304128K ........ ........ ........ ........ ........ ........ 80% 39.9M 3s 307200K ........ ........ ........ ........ ........ ........ 81% 41.3M 3s 310272K ........ ........ ........ ........ ........ ........ 82% 41.0M 3s 313344K ........ ........ ........ ........ ........ ........ 83% 38.1M 2s 316416K ........ ........ ........ ........ ........ ........ 83% 29.7M 2s 319488K ........ ........ ........ ........ ........ ........ 84% 8.11M 2s 322560K ........ ........ ........ ........ ........ ........ 85% 31.4M 2s 325632K ........ ........ ........ ........ ........ ........ 86% 34.4M 2s 328704K ........ ........ ........ ........ ........ ........ 87% 28.7M 2s 331776K ........ ........ ........ ........ ........ ........ 87% 26.4M 2s 334848K ........ ........ ........ ........ ........ ........ 88% 31.0M 2s 337920K ........ ........ ........ ........ ........ ........ 89% 32.0M 2s 340992K ........ ........ ........ ........ ........ ........ 90% 32.5M 1s 344064K ........ ........ ........ ........ ........ ........ 91% 36.8M 1s 347136K ........ ........ ........ ........ ........ ........ 91% 42.3M 1s 350208K ........ ........ ........ ........ ........ ........ 92% 35.1M 1s 353280K ........ ........ ........ ........ ........ ........ 93% 37.6M 1s 356352K ........ ........ ........ ........ ........ ........ 94% 38.2M 1s 359424K ........ ........ ........ ........ ........ ........ 95% 37.4M 1s 362496K ........ ........ ........ ........ ........ ........ 96% 39.2M 1s 365568K ........ ........ ........ ........ ........ ........ 96% 35.1M 0s 368640K ........ ........ ........ ........ ........ ........ 97% 31.9M 0s 371712K ........ ........ ........ ........ ........ ........ 98% 36.2M 0s 374784K ........ ........ ........ ........ ........ ........ 99% 22.2M 0s 377856K ........ ........ ........ ........ ........ .... 100% 37.4M=14s 2015-11-25 20:41:41 (25.9 MB/s) - written to stdout [389850048/389850048] Get:1 http://us.archive.ubuntu.com wily InRelease [218 kB] Get:2 http://us.archive.ubuntu.com wily-updates InRelease [64.4 kB] Get:3 http://us.archive.ubuntu.com wily-security InRelease [64.4 kB] Get:4 http://us.archive.ubuntu.com wily/main amd64 Packages [1420 kB] Get:5 http://us.archive.ubuntu.com wily/restricted amd64 Packages [15.6 kB] Get:6 http://us.archive.ubuntu.com wily/universe amd64 Packages [6704 kB] Get:7 http://us.archive.ubuntu.com wily/multiverse amd64 Packages [138 kB] Get:8 http://us.archive.ubuntu.com wily-updates/main amd64 Packages [60.5 kB] Get:9 http://us.archive.ubuntu.com wily-updates/restricted amd64 Packages [13.3 kB] Get:10 http://us.archive.ubuntu.com wily-updates/universe amd64 Packages [31.0 kB] Get:11 http://us.archive.ubuntu.com wily-updates/multiverse amd64 Packages [5859 B] Get:12 http://us.archive.ubuntu.com wily-security/main amd64 Packages [42.3 kB] Get:13 http://us.archive.ubuntu.com wily-security/restricted amd64 Packages [10.9 kB] Get:14 http://us.archive.ubuntu.com wily-security/universe amd64 Packages [24.8 kB] Get:15 http://us.archive.ubuntu.com wily-security/multiverse amd64 Packages [5859 B] Fetched 8818 kB in 7s (1124 kB/s) Reading package lists... Reading package lists... Building dependency tree... Reading state information... The following extra packages will be installed: linux-headers-4.2.0-18 linux-headers-4.2.0-18-generic linux-headers-generic linux-image-4.2.0-18-generic linux-image-extra-4.2.0-18-generic linux-image-generic Suggested packages: fdutils linux-doc-4.2.0 linux-source-4.2.0 linux-tools The following NEW packages will be installed: linux-headers-4.2.0-18 linux-headers-4.2.0-18-generic linux-image-4.2.0-18-generic linux-image-extra-4.2.0-18-generic The following packages will be upgraded: linux-generic linux-headers-generic linux-image-generic 3 upgraded, 4 newly installed, 0 to remove and 25 not upgraded. Need to get 66.3 MB of archives. After this operation, 287 MB of additional disk space will be used. Get:1 http://us.archive.ubuntu.com//ubuntu/ wily-updates/main linux-image-4.2.0-18-generic amd64 4.2.0-18.22 [17.3 MB] Get:2 http://us.archive.ubuntu.com//ubuntu/ wily-updates/main linux-image-extra-4.2.0-18-generic amd64 4.2.0-18.22 [38.7 MB] Get:3 http://us.archive.ubuntu.com//ubuntu/ wily-updates/main linux-generic amd64 4.2.0.18.20 [1788 B] Get:4 http://us.archive.ubuntu.com//ubuntu/ wily-updates/main linux-image-generic amd64 4.2.0.18.20 [2510 B] Get:5 http://us.archive.ubuntu.com//ubuntu/ wily-updates/main linux-headers-4.2.0-18 all 4.2.0-18.22 [9568 kB] Get:6 http://us.archive.ubuntu.com//ubuntu/ wily-updates/main linux-headers-4.2.0-18-generic amd64 4.2.0-18.22 [761 kB] Get:7 http://us.archive.ubuntu.com//ubuntu/ wily-updates/main linux-headers-generic amd64 4.2.0.18.20 [2490 B] Fetched 66.3 MB in 1s (38.0 MB/s) E: Can not write log (Is /dev/pts mounted?) - posix_openpt (2: No such file or directory) Selecting previously unselected package linux-image-4.2.0-18-generic. (Reading database ... 61833 files and directories currently installed.) Preparing to unpack .../linux-image-4.2.0-18-generic_4.2.0-18.22_amd64.deb ... Done. Unpacking linux-image-4.2.0-18-generic (4.2.0-18.22) ... Selecting previously unselected package linux-image-extra-4.2.0-18-generic. Preparing to unpack .../linux-image-extra-4.2.0-18-generic_4.2.0-18.22_amd64.deb ... Unpacking linux-image-extra-4.2.0-18-generic (4.2.0-18.22) ... Preparing to unpack .../linux-generic_4.2.0.18.20_amd64.deb ... Unpacking linux-generic (4.2.0.18.20) over (4.2.0.16.18) ... Preparing to unpack .../linux-image-generic_4.2.0.18.20_amd64.deb ... Unpacking linux-image-generic (4.2.0.18.20) over (4.2.0.16.18) ... Selecting previously unselected package linux-headers-4.2.0-18. Preparing to unpack .../linux-headers-4.2.0-18_4.2.0-18.22_all.deb ... Unpacking linux-headers-4.2.0-18 (4.2.0-18.22) ... Selecting previously unselected package linux-headers-4.2.0-18-generic. Preparing to unpack .../linux-headers-4.2.0-18-generic_4.2.0-18.22_amd64.deb ... Unpacking linux-headers-4.2.0-18-generic (4.2.0-18.22) ... Preparing to unpack .../linux-headers-generic_4.2.0.18.20_amd64.deb ... Unpacking linux-headers-generic (4.2.0.18.20) over (4.2.0.16.18) ... Setting up linux-image-4.2.0-18-generic (4.2.0-18.22) ... Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic update-initramfs: Generating /boot/initrd.img-4.2.0-18-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.2.0-18-generic Found initrd image: /boot/initrd.img-4.2.0-18-generic Found linux image: /boot/vmlinuz-4.2.0-16-generic Found initrd image: /boot/initrd.img-4.2.0-16-generic done Setting up linux-image-extra-4.2.0-18-generic (4.2.0-18.22) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic update-initramfs: Generating /boot/initrd.img-4.2.0-18-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.2.0-18-generic /boot/vmlinuz-4.2.0-18-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.2.0-18-generic Found initrd image: /boot/initrd.img-4.2.0-18-generic Found linux image: /boot/vmlinuz-4.2.0-16-generic Found initrd image: /boot/initrd.img-4.2.0-16-generic done Setting up linux-image-generic (4.2.0.18.20) ... Setting up linux-headers-4.2.0-18 (4.2.0-18.22) ... Setting up linux-headers-4.2.0-18-generic (4.2.0-18.22) ... Setting up linux-headers-generic (4.2.0.18.20) ... Setting up linux-generic (4.2.0.18.20) ... Leaving 'diversion of /etc/init/ureadahead.conf to /etc/init/ureadahead.conf.disabled by cloud-init' Setting up swapspace version 1, size = 3.9 GiB (4142919680 bytes) no label, UUID=0166468a-1b5b-49b1-90a9-b1309e845fe6 Replacing config file /etc/default/grub with new version Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.2.0-18-generic Found initrd image: /boot/initrd.img-4.2.0-18-generic Found linux image: /boot/vmlinuz-4.2.0-16-generic Found initrd image: /boot/initrd.img-4.2.0-16-generic done Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.2.0-18-generic Found initrd image: /boot/initrd.img-4.2.0-18-generic Found linux image: /boot/vmlinuz-4.2.0-16-generic Found initrd image: /boot/initrd.img-4.2.0-16-generic done Installing for i386-pc platform. Installation finished. No error reported. --2015-11-25 20:42:59-- http://10.0.0.1/MAAS/metadata/latest/by-id/node-28402790-92c5-11e5-a8a3-eca86bfb9f66/ Connecting to 10.0.0.1:80... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [text/plain] Saving to: '/dev/null' 0K 102K=0s 2015-11-25 20:42:59 (102 KB/s) - '/dev/null' saved [2] Installation finished.