drbd

2 x Intel Xeon E5-2420 v2 testing with a Dell 08DM12 (2.9.0 BIOS) and Matrox G200eR2 on CentOS Linux 7 via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2006252-SDS-DRBD123850
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  Test
  Duration
DRBD protocol C
June 25 2020
  56 Minutes
DRBD protocol B
June 25 2020
  41 Minutes
DRBD protocol A
June 25 2020
  51 Minutes
DRBD protocol C alone
June 25 2020
  29 Minutes
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  44 Minutes

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DRBD protocol C

Compiler Notes: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic
Disk Notes: NOOP / attr2,inode64,noquota,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x42e
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB + tsx_async_abort: Not affected

DRBD protocol B

DRBD protocol A

DRBD protocol C alone

Processor: 2 x Intel Xeon E5-2420 v2 @ 2.70GHz (12 Cores / 24 Threads), Motherboard: Dell 08DM12 (2.9.0 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 2 x 16384 MB DDR3-1600MT/s M393B2G70DB0-YK0, Disk: 299GB PERC H710P + 240GB INTEL SSDSC2BW24, Graphics: Matrox G200eR2, Network: 2 x Broadcom NetXtreme BCM5720 2-port PCIe + 2 x Intel 82599ES 10-Gigabit SFI/SFP+

OS: CentOS Linux 7, Kernel: 3.10.0-1127.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768

drbdOpenBenchmarking.orgPhoronix Test Suite2 x Intel Xeon E5-2420 v2 @ 2.70GHz (12 Cores / 24 Threads)Dell 08DM12 (2.9.0 BIOS)Intel Xeon E7 v2/Xeon2 x 16384 MB DDR3-1600MT/s M393B2G70DB0-YK0299GB PERC H710P + 240GB INTEL SSDSC2BW24Matrox G200eR22 x Broadcom NetXtreme BCM5720 2-port PCIe + 2 x Intel 82599ES 10-Gigabit SFI/SFP+CentOS Linux 73.10.0-1127.el7.x86_64 (x86_64)GCC 4.8.5 20150623xfs1024x768ProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemScreen ResolutionDrbd BenchmarksSystem Logs- --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic - NOOP / attr2,inode64,noquota,relatime,rw- Scaling Governor: intel_pstate powersave - CPU Microcode: 0x42e- itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB + tsx_async_abort: Not affected

DRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C aloneResult OverviewPhoronix Test Suite100%112%124%136%Flexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterRand Write - Sync - No - Yes - 64KBRand Write - Sync - No - Yes - 64KBRand Write - Sync - No - Yes - 16KBRand Write - Sync - No - Yes - 16KBRand Write - Sync - No - Yes - 128KBRand Write - Sync - No - Yes - 128KBRand Write - Sync - No - Yes - 4KBRand Write - Sync - No - Yes - 4KBRand Write - Sync - No - Yes - 512KBRand Write - Sync - No - Yes - 512KB

drbdfio: Rand Write - Sync - No - Yes - 4KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 4KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 16KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 16KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 64KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 64KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 128KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 128KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 512KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 512KB - Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone8.166204123.41500119189919415502434867.791194722.91469148236620015972525047.587189621.31361159253620016012474947.951198721.4137017628162091672257514OpenBenchmarking.org

Flexible IO Tester

Fio is an advanced disk benchmark that depends upon the kernel's AIO access library. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone246810SE +/- 0.108, N = 5SE +/- 0.080, N = 15SE +/- 0.078, N = 15SE +/- 0.104, N = 38.1667.7917.5877.9511. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone3691215Min: 7.81 / Avg: 8.17 / Max: 8.48Min: 7.23 / Avg: 7.79 / Max: 8.32Min: 7.15 / Avg: 7.59 / Max: 8.38Min: 7.79 / Avg: 7.95 / Max: 8.141. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone400800120016002000SE +/- 26.98, N = 5SE +/- 20.08, N = 15SE +/- 19.52, N = 15SE +/- 25.89, N = 320411947189619871. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone400800120016002000Min: 1953 / Avg: 2041 / Max: 2120Min: 1807 / Avg: 1947.33 / Max: 2078Min: 1786 / Avg: 1896.4 / Max: 2095Min: 1946 / Avg: 1987.33 / Max: 20351. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone612182430SE +/- 0.23, N = 15SE +/- 0.30, N = 15SE +/- 0.12, N = 3SE +/- 0.17, N = 323.422.921.321.41. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone510152025Min: 21.3 / Avg: 23.43 / Max: 24.7Min: 20.9 / Avg: 22.9 / Max: 24.8Min: 21.1 / Avg: 21.27 / Max: 21.5Min: 21.1 / Avg: 21.4 / Max: 21.71. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone30060090012001500SE +/- 14.78, N = 15SE +/- 17.69, N = 15SE +/- 6.98, N = 3SE +/- 11.57, N = 315001469136113701. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone30060090012001500Min: 1366 / Avg: 1499.87 / Max: 1583Min: 1337 / Avg: 1468.93 / Max: 1587Min: 1352 / Avg: 1361.33 / Max: 1375Min: 1351 / Avg: 1370.33 / Max: 13911. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone4080120160200SE +/- 1.05, N = 15SE +/- 2.00, N = 3SE +/- 1.37, N = 12SE +/- 2.70, N = 151191481591761. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone306090120150Min: 113 / Avg: 118.67 / Max: 127Min: 146 / Avg: 148 / Max: 152Min: 153 / Avg: 158.5 / Max: 172Min: 163 / Avg: 176 / Max: 1921. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone6001200180024003000SE +/- 16.64, N = 15SE +/- 33.69, N = 3SE +/- 21.56, N = 12SE +/- 43.45, N = 1518992366253628161. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone5001000150020002500Min: 1812 / Avg: 1898.87 / Max: 2024Min: 2330 / Avg: 2365.67 / Max: 2433Min: 2454 / Avg: 2535.58 / Max: 2752Min: 2606 / Avg: 2816.33 / Max: 30761. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 128KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone50100150200250SE +/- 1.20, N = 3SE +/- 0.88, N = 3SE +/- 1.20, N = 3SE +/- 1.15, N = 31942002002091. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 128KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone4080120160200Min: 192 / Avg: 193.67 / Max: 196Min: 198 / Avg: 199.67 / Max: 201Min: 198 / Avg: 200.33 / Max: 202Min: 207 / Avg: 209 / Max: 2111. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 128KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone400800120016002000SE +/- 7.86, N = 3SE +/- 6.96, N = 3SE +/- 9.13, N = 3SE +/- 8.96, N = 315501597160116721. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 128KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone30060090012001500Min: 1539 / Avg: 1549.67 / Max: 1565Min: 1584 / Avg: 1596.67 / Max: 1608Min: 1584 / Avg: 1601.33 / Max: 1615Min: 1656 / Avg: 1672 / Max: 16871. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone60120180240300SE +/- 2.28, N = 15SE +/- 2.08, N = 3SE +/- 2.23, N = 15SE +/- 3.61, N = 32432522472571. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone50100150200250Min: 233 / Avg: 243.4 / Max: 257Min: 249 / Avg: 252 / Max: 256Min: 233 / Avg: 247 / Max: 262Min: 250 / Avg: 257 / Max: 2621. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone110220330440550SE +/- 4.54, N = 15SE +/- 4.16, N = 3SE +/- 4.48, N = 15SE +/- 7.21, N = 34865044945141. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl
OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.18Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryDRBD protocol CDRBD protocol BDRBD protocol ADRBD protocol C alone90180270360450Min: 465 / Avg: 486.2 / Max: 513Min: 498 / Avg: 504 / Max: 512Min: 466 / Avg: 493.53 / Max: 524Min: 500 / Avg: 514 / Max: 5241. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -fcommon -U_FORTIFY_SOURCE -march=native -lcurl -lssl -lcrypto -lrt -laio -lz -lpthread -lm -ldl

10 Results Shown

Flexible IO Tester:
  Rand Write - Sync - No - Yes - 4KB - Default Test Directory:
    MB/s
    IOPS
  Rand Write - Sync - No - Yes - 16KB - Default Test Directory:
    MB/s
    IOPS
  Rand Write - Sync - No - Yes - 64KB - Default Test Directory:
    MB/s
    IOPS
  Rand Write - Sync - No - Yes - 128KB - Default Test Directory:
    MB/s
    IOPS
  Rand Write - Sync - No - Yes - 512KB - Default Test Directory:
    MB/s
    IOPS

DRBD protocol C

Compiler Notes: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic
Disk Notes: NOOP / attr2,inode64,noquota,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x42e
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB + tsx_async_abort: Not affected

Testing initiated at 25 June 2020 09:56 by user sds.

DRBD protocol B

Compiler Notes: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic
Disk Notes: NOOP / attr2,inode64,noquota,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x42e
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB + tsx_async_abort: Not affected

Testing initiated at 25 June 2020 10:38 by user sds.

DRBD protocol A

Compiler Notes: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic
Disk Notes: NOOP / attr2,inode64,noquota,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x42e
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB + tsx_async_abort: Not affected

Testing initiated at 25 June 2020 11:13 by user sds.

DRBD protocol C alone

Processor: 2 x Intel Xeon E5-2420 v2 @ 2.70GHz (12 Cores / 24 Threads), Motherboard: Dell 08DM12 (2.9.0 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 2 x 16384 MB DDR3-1600MT/s M393B2G70DB0-YK0, Disk: 299GB PERC H710P + 240GB INTEL SSDSC2BW24, Graphics: Matrox G200eR2, Network: 2 x Broadcom NetXtreme BCM5720 2-port PCIe + 2 x Intel 82599ES 10-Gigabit SFI/SFP+

OS: CentOS Linux 7, Kernel: 3.10.0-1127.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768

Compiler Notes: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic
Disk Notes: NOOP / attr2,inode64,noquota,relatime,rw
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0x42e
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB + tsx_async_abort: Not affected

Testing initiated at 25 June 2020 12:55 by user sds.