Re: [HPDD-discuss] Redo for recoverable error ?

./asm-generic/errno-base.h:#define EROFS 30 mmap IO isn't your issue: It seems that (at least) one OST on your OSS got automatically remounted read-only due to a filesystem error. Older log entries on the OST should tell you what went wrong (grep remounting /var/log/messages*). The only way to recover from this is by: - umounting the affected ost(s) - run a full fsck on the volume(s) (using the latest e2fsprogs fsck) - mount the volume again IF you are sure that your storage array didn't go bananas and will not cause any new corruption (btw: are you running a 'snowbird-lustre' with linux sw-raid6?) Oh: and tell your users that they should check the return value of write() calls ;-) Regards, Adrian -- RFC 1925: (11) Every old idea will be proposed again with a different name and a different presentation, regardless of whether it works.