[LU-884] Client In-Memory Data Checksum

• Type: New Feature
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.2.0, Lustre 2.3.0
• Assignee: Jinshan Xiong (Inactive)
• Reporter: Jinshan Xiong (Inactive)

Description

== requirements ==
1. make mmap write work correctly
2. balance the workload across CPUs - depends on multiple ptlrpcd implementation
3. writeback support - depends on LU-848
4. hash tree to accumulate pages checksum
5. test program

Issue Links

• is related to: LU-1028 Bus error (core dumped) during fsx test
• Trackbacks: Changelog 2.2 version 2.2.0 Support for networks: o2iblnd OFED 1.5.4 Server support for kernels: 2.6.32220.4.2.el6 (RHEL6) Client support for unpatched kernels: 2.6.18274.18.1.el5 (RHEL5) 2.6.32220.4.2.el6 (RHEL6) 2.6.32.360....
• Trackbacks: Lustre 2.2 Lustre 2.2 is scheduled for release at the end of Q1 2012. This is its anticipated support matrix. Server Support \ Client Support \ RHEL 6, \ CentOS 6 \ RHEL 6, \ CentOS 6, \ RHEL 5, \ CentOS 5, \ SLES 11 ,...

Comments

[Build Master (Inactive)]

Integrated in lustre-dev » x86_64,client,el6,inkernel #340
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/ost/ost_handler.c
• lustre/osc/osc_request.c

[Build Master (Inactive)]

Integrated in lustre-dev » x86_64,server,el5,inkernel #340
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/ost/ost_handler.c
• lustre/osc/osc_request.c

[Build Master (Inactive)]

Integrated in lustre-dev » i686,client,el5,inkernel #340
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/osc/osc_request.c
• lustre/ost/ost_handler.c

[Build Master (Inactive)]

Integrated in lustre-dev » x86_64,server,el6,inkernel #340
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/ost/ost_handler.c
• lustre/osc/osc_request.c

[Build Master (Inactive)]

Integrated in lustre-dev » i686,server,el5,inkernel #340
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/osc/osc_request.c
• lustre/ost/ost_handler.c

[Build Master (Inactive)]

Integrated in lustre-dev » i686,client,el6,inkernel #340
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/osc/osc_request.c
• lustre/ost/ost_handler.c

[Build Master (Inactive)]

Integrated in lustre-dev » x86_64,client,el5,inkernel #340
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/osc/osc_request.c
• lustre/ost/ost_handler.c

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,el5,ofa #531
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = FAILURE
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/osc/osc_request.c
• lustre/ost/ost_handler.c

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,el5,inkernel #531
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/osc/osc_request.c
• lustre/ost/ost_handler.c

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,server,el5,inkernel #531
LU-884 osc: remove unlikely() marker for checksums (Revision c1e490a9db157f3947f51750b6975e10ea515be3)

Result = SUCCESS
Oleg Drokin : c1e490a9db157f3947f51750b6975e10ea515be3
Files :

• lustre/osc/osc_request.c
• lustre/ost/ost_handler.c