Public bug reported: Problem Description: =================== Ubuntu1804 installer is not able to detect SAN disks(mulitpath disks) with 'No disk drive was detected' message.
Steps to re-create: ================== > on Witherspoon test system, tried to install latest ubuntu1804 build using netboot install. > Selected appropriate fields and then when it entres detect disk screen > It throws below messgae lqqqqqqqqqqqqqqqqqqqqqqqqqqu [!] Detect disks tqqqqqqqqqqqqqqqqqqqqqqqqqqqk x x x No disk drive was detected. If you know the name of the driver needed x x by your disk drive, you can select it from the list. x x x x Driver needed for your disk drive: x x x x continue with no disk drive x x login to iSCSI targets x x cryptoloop x x ipr x x virtio_scsi x x none of the above x x x x <Go Back> x x x mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj > Installer not able to detect the SAN disk(mulitpath disks) and so not able to proceed with installation. > Unable to proceed with ubutnu1804 installation as installer not able to detect the disk (SAN disks) using netboot install method > Attached /var/log/syslog messages from installer Attached /var/log/syslog files from installer shell prompt == Comment: #13 - Frederic Bonnard <frede...@fr.ibm.com> - 2018-04-30 09:00:21 == Hi, - did you install install with "disk-detect/multipath/enable=true" ? ( https://help.ubuntu.com/lts/serverguide/multipath-setting-up-dm-multipath.html.en ) - check /var/log/syslog to see you didn't fail to download any udeb related to disk management and make sure there isn't any error . - check availability of disks with lsblk or "find /dev/disk/ -ls" F. == Comment: #14 - INDIRA P. JOGA <indira.pr...@in.ibm.com> - 2018-05-02 04:55:55 == (In reply to comment #12) > Hi Indira, thanks for the bug. I have some questions I would like to > understand better: > > What are the device subsystem that this disks are connected to? Is it a > Fibre Channel connection? > > Do you have explicit two connections to the same disk? I.e, you would see > two disks that the multipathd would need to detect that they are the same, > or, your subsystem would handle the multi path configuration? > > How many disks do you have? Hi Breno, System has both SAS card with mulitpath & SAN card with mulitpath. Yes we have two connections to same disk. FYI - SAN - mpathb (3600507680183050d28000000000002a3) dm-1 IBM,2145 size=100G features='1 queue_if_no_path' hwhandler='0' wp=rw |-+- policy='service-time 0' prio=50 status=active | |- 2:0:1:1 sdaa 65:160 active ready running | `- 3:0:1:1 sdag 66:0 active ready running `-+- policy='service-time 0' prio=10 status=enabled |- 2:0:0:1 sdx 65:112 active ready running `- 3:0:0:1 sdad 65:208 active ready running SAS - mpathl (35000c50076564663) dm-35 IBM,ST300MP0064 size=279G features='0' hwhandler='0' wp=rw |-+- policy='service-time 0' prio=1 status=active | `- 1:0:8:0 sdi 8:128 active ready running `-+- policy='service-time 0' prio=1 status=enabled `- 1:0:19:0 sds 65:32 active ready running == Comment: #15 - INDIRA P. JOGA <indira.pr...@in.ibm.com> - 2018-05-02 05:01:21 == (In reply to comment #13) > Hi, > - did you install install with "disk-detect/multipath/enable=true" ? ( > https://help.ubuntu.com/lts/serverguide/multipath-setting-up-dm-multipath. > html.en ) > - check /var/log/syslog to see you didn't fail to download any udeb related > to disk management and make sure there isn't any error . > - check availability of disks with lsblk or "find /dev/disk/ -ls" > > F. Yes i have tried both with multipath enable true & without multipath in both cases it failed. when problem reported guest has 3 disks and still not able to detect those disks. == Comment: #19 - Breno Leitao <bren...@br.ibm.com> - 2018-05-03 09:02:54 == Let's get this mirrored to canonical for their awareness. ** Affects: debian-installer (Ubuntu) Importance: Undecided Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) Status: New ** Tags: architecture-ppc64le bugnameltc-167240 severity-high targetmilestone-inin--- ** Tags added: architecture-ppc64le bugnameltc-167240 severity-high targetmilestone-inin--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1769039 Title: Ubuntu1804 installer is not able to detect SAN disks(mulitpath disks) with 'No disk drive was detected' message. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1769039/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
