Downgraded the server to Ubuntu 14.04.5: no issues with the following
I am attaching some lines from dmesg where the "fault_state(0x265d)" is
present but does not lead to I/O errors or filesystems mounted read
only: even under high load the system behaves normally.
As stated before I am unable to run apport-collect (or any other
command) after that I/O errors have been noticed.
** Attachment added: "Behaviour with kernel 4.2.0 on trusty"
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I/O error after mpt2sas fault_state 0x265d
Status in linux package in Ubuntu:
After a write intensive operation (like dd if=/dev/zero of=bigfile) an
I/O error is issued and the filesystem is mounted read-only. Further
read attempts from the storage result in more I/O errors.
The RAID controller is a Dell/LSI SAS2008 FWVersion(06.00.00.00),
ChipRevision(0x03), BiosVersion(07.07.00.00) managing just one RAID10
array with four disks.
The following kernels have been tried and gave the same problem:
All disks are clean when inspected with smartctl.
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