[LU-1470] MDS Crash & reboot

• Type: Bug
• Resolution: Incomplete
• Priority: Major
• Affects Version/s: Lustre 2.2.0

Environment

MDS HW
----------------------------------------------------------------------------------------------------
Linux XXXX.admin.cscs.ch 2.6.32-220.7.1.el6_lustre.g9c8f747.x86_64
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 16
Vendor ID: AuthenticAMD
CPU family: 16
64Gb RAM
Interconnect IB 40Gb/s

MDT LSI 5480 Pikes Peak
SSDs SLC
----------------------------------------------------------------------------------------------------

OSS HW
----------------------------------------------------------------------------------------------------
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 32
Vendor ID: GenuineIntel
CPU family: 6
64Gb RAM
Interconnect IB 40Gb/s

OST LSI 7900
----------------------------------------------------------------------------------------------------

1 MDS + 1 fail over
12 OSS - 6 OST per OSS

• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: Fabio Verzelloni

Description

MDS hang and the fail over take over, attached the /var/log/messages.
Not clear to me the reason of the reboot.

Fabio