http://bugzilla.opensuse.org/show_bug.cgi?id=998081 Bug ID: 998081 Summary: Status of mdadm assambly with cache enabled on Intel(R) Smart Response Technology Classification: openSUSE Product: openSUSE Distribution Version: Leap 42.2 Hardware: x86-64 OS: openSUSE 42.1 Status: NEW Severity: Normal Priority: P5 - None Component: Basesystem Assignee: bnc-team-screening@forge.provo.novell.com Reporter: mr.mark.starikov@gmail.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Created attachment 691567 --> http://bugzilla.opensuse.org/attachment.cgi?id=691567&action=edit mdadm commands showing each member of the backing and cache raid Problem: Currently it appears that mdadm is unable to assemble Intel FakeRaid volume with enabled SSD cache due to invalid 0x02000000 attribute. as per mdadm src: https://github.com/djbw/mdadm/blob/master/super-intel.c /* The OROM Support RST Caching of Volumes */ #define MPB_ATTRIB_NVM __cpu_to_le32(0x02000000) Dan Williams has proposed patches for compatibility reasons(i.e. Intel doesn't seem to support cache with linux, but for dualboot purposes at least being able to assamble backing raid would be nice) http://marc.info/?l=linux-raid&m=139832034826379&w=2 Those patches seems to be around for awhile, and yet i get usuall 2000000 when trying to assamble cached raid on both LEAP and tumbleweed: # mdadm -As mdadm: (IMSM): Unsupported attributes : 2000000 mdadm: Unsupported attributes in IMSM metadata.Arrays activation is blocked. mdadm: Cannot activate member /md127/0 in /dev/md/imsm0. mdadm: (IMSM): Unsupported attributes : 2000000 mdadm: Unsupported attributes in IMSM metadata.Arrays activation is blocked. mdadm: Cannot activate member /md126/1 in /dev/md/imsm1. mdadm: Cannot activate member /md126/0 in /dev/md/imsm1. mdadm: No arrays found in config file or automatically Question: Is there any work going on to handle attribute 2000000? is there any possible way to ignore(mask/hide) that attribute from mdadm? -- You are receiving this mail because: You are on the CC list for the bug.