Hello, I have a production RHEL ES 4U6 server encountered EXT3 filesystem errors. Subsequently local / Root (/dev/cciss/c0d0p2) and one emcpower device went readonly. I had to reboot the server and FSCK and then remount both the filesystems back to normal. I have both Linux running in local hdd and other filesystems mounted from EMC clariion. I see the below errors in the /var/log/messages. Aug 26 20:45:41 zmcs kernel: Error:Mpx:Path Bus 0 Tgt 1 Lun 6 to APM00083500788 is dead. Aug 26 20:45:41 zmcs kernel: Error:Mpx:Path Bus 0 Tgt 1 Lun 6 to 600601607D0122005484F535FE81DE11 is marked as dead; volume ID has changed. Aug 26 20:45:43 zmcs kernel: Error:Mpx:Path Bus 0 Tgt 0 Lun 6 to APM00083500788 is dead. Aug 26 20:45:43 zmcs kernel: Error:Mpx:Path Bus 0 Tgt 0 Lun 6 to 600601607D0122005484F535FE81DE11 is marked as dead; volume ID has changed. Aug 26 20:46:43 zmcs kernel: Error:Mpx:All paths to 600601607D0122005484F535FE81DE11 are dead. Aug 26 20:46:43 zmcs kernel: Error:Mpx:600601607D0122005484F535FE81DE11 is dead. .... ....... ......... Aug 27 02:12:04 zmcs kernel: EXT3-fs error (device dm-2): ext3_find_entry: reading directory #55511780 offset 1 Aug 27 02:12:04 zmcs kernel: Aborting journal on device dm-2. Aug 27 02:12:04 zmcs kernel: EXT3-fs error (device dm-2): ext3_find_entry: reading directory #55511780 offset 2 Aug 27 02:12:04 zmcs kernel: EXT3-fs error (device dm-2): ext3_find_entry: reading directory #55511780 offset 3 Aug 27 02:13:06 zmcs kernel: EXT3-fs error (device dm-2): ext3_get_inode_loc: unable to read inode block - inode=130155080, block=260309012 Aug 27 02:13:42 zmcs kernel: EXT3-fs error (device dm-2): ext3_readdir: directory #123682826 contains a hole at offset 4096 ...... ......... ............ Aug 27 02:16:47 zmcs kernel: ext3_abort called. Aug 27 02:16:47 zmcs kernel: EXT3-fs error (device dm-2): ext3_journal_start_sb: Detected aborted journal Aug 27 02:16:47 zmcs kernel: Remounting filesystem read-only My questions are, 1. Why does the above behaviour happen suddenly? I believe there is a problem with the SAN, please confirm this. 2. Although the above messages seems to be related only to EMC power device, why did the / (local harddisk) filesystem became readonly? Thanks in advance! Thanks KK -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subjecthttps://www.redhat.com/mailman/listinfo/redhat-list
