{"id":2011,"date":"2015-04-21T11:18:07","date_gmt":"2015-04-21T10:18:07","guid":{"rendered":"http:\/\/sdubois.evolix.net\/blog\/?p=2011"},"modified":"2018-04-11T08:06:41","modified_gmt":"2018-04-11T08:06:41","slug":"test-raid-card-perc-h730-1-gb-h730-mini-dell-poweredge-test-on-poweredge-r430-with-debian-wheezy","status":"publish","type":"post","link":"https:\/\/sdubois.fr\/blog\/2015\/04\/test-raid-card-perc-h730-1-gb-h730-mini-dell-poweredge-test-on-poweredge-r430-with-debian-wheezy\/","title":{"rendered":"Test Raid Card Perc H730 1 Gb (H730 mini) \/ Dell PowerEdge (test on PowerEdge R430) with Debian Wheezy"},"content":{"rendered":"

Nouvelle venue sur la gamme 13G Dell (13\u00e8me g\u00e9n\u00e9ration), la PERC H730 a \u00e9t\u00e9 test\u00e9e en R&D avant la mise en place des premiers serveurs de cette gamme en production dans le cadre de notre offre d’h\u00e9bergement<\/p>\n

\"h730\"<\/a>Le test a \u00e9t\u00e9 r\u00e9alis\u00e9 avec une installation de base de Debian Wheezy<\/p>\n

La carte est reconnue par d\u00e9faut par le noyau de Debian stable<\/p>\n

Linux r430 3.2.0-4-amd64 #1 SMP Debian 3.2.65-1+deb7u2 x86_64 GNU\/Linux<\/p><\/blockquote>\n

C\u00f4t\u00e9 syst\u00e8me :<\/p>\n

extrait dmesg :<\/p>\n

[ 5.077300] scsi 0:0:0:0: Direct-Access DELL PERC H730 Mini 4.24 PQ: 0 ANSI: 5<\/p><\/blockquote>\n

extrait lspci :<\/p>\n

01:00.0 RAID bus controller: LSI Logic \/ Symbios Logic MegaRAID SAS-3 3108 [Invader] (rev 02)<\/p><\/blockquote>\n

 <\/p>\n

Comme sur la quasi totalit\u00e9 des serveurs Dell,\u00a0 c’est une carte contr\u00f4leur LSI manageable avec l’outil du constructeur packag\u00e9 pour Debian sur un d\u00e9p\u00f4t sp\u00e9cifique [d\u00e9p\u00f4t \u201cHWraid\u201d (http:\/\/hwraid.le-vert.net\/wiki\/DebianPackages)<\/a>]: megacli<\/p>\n

root@r430:~# dpkg -l megacli
\nii megacli 8.07.14-1 amd64 LSI Logic MegaRAID SAS MegaCL<\/p><\/blockquote>\n

 <\/p>\n

Quelques informations (avec megacli) :<\/h1>\n

Afficher toutes les informations sur l\u2019adaptateur :<\/strong><\/p>\n

root@r430:~# megacli -adpallinfo -aALL<\/p>\n

Adapter #0<\/p>\n

====================================
\nVersions
\n================
\nProduct Name : PERC H730 Mini
\nSerial No : XXXXXX
\nFW Package Build: 25.2.2-0004<\/p>\n

Mfg. Data
\n================
\nMfg. Date : 02\/08\/15
\nRework Date : 02\/08\/15
\nRevision No : A00
\nBattery FRU : N\/A<\/p>\n

Image Versions in Flash:
\n================
\nBIOS Version : 6.18.03.0_4.16.07.00_0x06070400
\nCtrl-R Version : 5.03-0010
\nFW Version : 4.241.00-4163
\nNVDATA Version : 3.1310.00-0084
\nBoot Block Version : 3.02.00.00-0000<\/p>\n

Pending Images in Flash
\n================
\nNone<\/p>\n

PCI Info
\n================
\nController Id : 0000
\nVendor Id : 1000
\nDevice Id : 005d
\nSubVendorId : 1028
\nSubDeviceId : 1f49<\/p>\n

Host Interface : PCIE<\/p>\n

ChipRevision : C0<\/p>\n

Link Speed : 3
\nNumber of Frontend Port: 0
\nDevice Interface : PCIE<\/p>\n

Number of Backend Port: 8
\n[…]<\/p>\n

HW Configuration
\n================
\nSAS Address : XXXXXXXXXXX
\nBBU : Present
\nAlarm : Absent
\nNVRAM : Present
\nSerial Debugger : Present
\nMemory : Present
\nFlash : Present
\nMemory Size : 1024MB<\/p>\n

 <\/p>\n

Consulter l\u2019\u00e9tat du cache d’un RAID<\/strong><\/p>\n

root@r430:~# megacli -LDGetProp -Cache -LALL -a0<\/p>\n

Adapter 0-VD 0(target id: 0): Cache Policy:WriteBack, ReadAhead, Direct, No Write Cache if bad BBU<\/p>\n

Exit Code: 0x00<\/p>\n

 <\/p>\n

Consulter l\u2019\u00e9tat de la batterie<\/strong><\/p>\n

root@r430:~# megacli -AdpBbuCmd -a0<\/p>\n

BBU status for Adapter: 0<\/p>\n

BatteryType: BBU
\nVoltage: 3926 mV
\nCurrent: 0 mA
\nTemperature: 37 C
\nBattery State: Optimal
\nBBU Firmware Status:<\/p>\n

[…]<\/p>\n

Relative State of Charge: 99 %
\nCharger Status: Complete
\nRemaining Capacity: 549 mAh
\nFull Charge Capacity: 557 mAh<\/p>\n

[…]<\/p>\n

 <\/p>\n

Les tests<\/h1>\n

D\u00e9bits de base test\u00e9s (250Mo\/s en lecture et \u00e9criture)<\/p>\n

Tests de lecture\/ecriture (comparaison avec un serveur \u00e9quip\u00e9 d’une H720)<\/h2>\n

Test avec H730 mini<\/h3>\n

root@r43<\/strong>0:\/home# time dd if=\/dev\/zero bs=4096 count=52398080 2>\/tmp\/out | pv > 200G ; cat \/tmp\/out
\n200GB 0:16:06 [ 212MB\/s] [ <=> ]<\/p>\n

real 16m14.390s
\nuser 0m54.147s
\nsys 8m55.245s
\n52398080+0 records in
\n52398080+0 records out
\n214622535680 bytes (215 GB) copied, 973.265 s, 221 MB\/s<\/p>\n

root@r430<\/strong>:\/home# time dd if=200G bs=4096 count=52398080 2>\/tmp\/out | pv > \/dev\/null ; cat \/tmp\/out
\n200GB 0:15:56 [ 214MB\/s] [ <=> ]<\/p>\n

real 15m56.985s
\nuser 0m30.198s
\nsys 7m35.152s
\n52398080+0 records in
\n52398080+0 records out
\n214622535680 bytes (215 GB) copied, 956.961 s, 224 MB\/s<\/p>\n

root@r430<\/strong>:\/home# time rm \/home\/200G<\/p>\n

real 0m5.086s
\nuser 0m0.000s
\nsys 0m5.040s<\/p>\n

Test avec H720<\/h3>\n

root@r320<\/strong>:\/home# time dd if=\/dev\/zero bs=4096 count=52398080 2>\/tmp\/out | pv > 200G ; cat \/tmp\/out
\n200GB 0:22:04 [ 155MB\/s] [ <=> ]<\/p>\n

real 22m11.296s
\nuser 0m11.401s
\nsys 4m26.109s
\n52398080+0 records in
\n52398080+0 records out
\n214622535680 bytes (215 GB) copied, 1329.8 s, 161 MB\/s<\/p>\n

root@r320<\/strong>:\/home\/# time dd if=200G bs=4096 count=52398080 2>\/tmp\/out | pv > \/dev\/null ; cat \/tmp\/out
\n200GB 0:21:50 [ 156MB\/s] [ <=> ]<\/p>\n

real 21m50.901s
\nuser 0m14.189s
\nsys 3m29.113s
\n52398080+0 records in
\n52398080+0 records out
\n214622535680 bytes (215 GB) copied, 1310.89 s, 164 MB\/s<\/p>\n

root@r320<\/strong>:\/home# time rm 200G<\/p>\n

real 0m4.540s
\nuser 0m0.000s
\nsys 0m4.484s<\/p>\n

Performances avec pg_bench (comparaison avec un serveur \u00e9quip\u00e9 d’une H720)<\/h2>\n

Test avec H730 mini<\/h3>\n

root@r430<\/strong>:\/home\/# \/usr\/lib\/postgresql\/9.1\/bin\/pg_test_fsync
\n2000 operations per test
\nO_DIRECT supported on this platform for open_datasync and open_sync.<\/p>\n

Compare file sync methods using one 8kB write:
\n(in wal_sync_method preference order, except fdatasync
\nis Linux’s default)
\nopen_datasync 24739.004 ops\/sec
\nfdatasync 18467.050 ops\/sec
\nfsync 17527.716 ops\/sec
\nfsync_writethrough n\/a
\nopen_sync 62.750 ops\/sec<\/p>\n

Compare file sync methods using two 8kB writes:
\n(in wal_sync_method preference order, except fdatasync
\nis Linux’s default)
\nopen_datasync 11911.781 ops\/sec
\nfdatasync 16231.658 ops\/sec
\nfsync 15332.250 ops\/sec
\nfsync_writethrough n\/a
\nopen_sync 31.669 ops\/sec<\/p>\n

Compare open_sync with different write sizes:
\n(This is designed to compare the cost of writing 16kB
\nin different write open_sync sizes.)
\n16kB open_sync write 62.500 ops\/sec
\n8kB open_sync writes 31.250 ops\/sec
\n4kB open_sync writes 15.625 ops\/sec
\n2kB open_sync writes 7.812 ops\/sec
\n1kB open_sync writes 3.906 ops\/sec<\/p>\n

Test if fsync on non-write file descriptor is honored:
\n(If the times are similar, fsync() can sync data written
\non a different descriptor.)
\nwrite, fsync, close 14112.733 ops\/sec
\nwrite, close, fsync 15835.187 ops\/sec<\/p>\n

Non-Sync’ed 8kB writes:
\nwrite 224643.379 ops\/sec<\/p>\n

Test avec H720<\/h3>\n

root@r320<\/strong>:\/home\/# \/usr\/lib\/postgresql\/9.1\/bin\/pg_test_fsync
\n2000 operations per test
\nO_DIRECT supported on this platform for open_datasync and open_sync.<\/p>\n

Compare file sync methods using one 8kB write:
\n(in wal_sync_method preference order, except fdatasync
\nis Linux’s default)
\nopen_datasync 21474.665 ops\/sec
\nfdatasync 20687.444 ops\/sec
\nfsync 19973.435 ops\/sec
\nfsync_writethrough n\/a
\nopen_sync 63.351 ops\/sec<\/p>\n

Compare file sync methods using two 8kB writes:
\n(in wal_sync_method preference order, except fdatasync
\nis Linux’s default)
\nopen_datasync 10418.946 ops\/sec
\nfdatasync 18638.287 ops\/sec
\nfsync 17937.059 ops\/sec
\nfsync_writethrough n\/a
\nopen_sync 31.267 ops\/sec<\/p>\n

Compare open_sync with different write sizes:
\n(This is designed to compare the cost of writing 16kB
\nin different write open_sync sizes.)
\n16kB open_sync write 62.150 ops\/sec
\n8kB open_sync writes 31.104 ops\/sec
\n4kB open_sync writes 15.538 ops\/sec
\n2kB open_sync writes 7.775 ops\/sec
\n1kB open_sync writes 3.885 ops\/sec<\/p>\n

Test if fsync on non-write file descriptor is honored:
\n(If the times are similar, fsync() can sync data written
\non a different descriptor.)
\nwrite, fsync, close 16396.803 ops\/sec
\nwrite, close, fsync 18797.699 ops\/sec<\/p>\n

Non-Sync’ed 8kB writes:
\nwrite 456516.777 ops\/sec<\/p>\n

Conclusions<\/h3>\n

La carte RAID Perc H730 mini (Perc H730 1Gb) a pass\u00e9 les tests de compatibilit\u00e9 Linux Debian avec succ\u00e8s! Ses performances sont \u00e9quivalentes voire meilleures que celle de la Perc H720 et on passe d’un cache de 512Mo \u00e0 1Go notamment.<\/p>\n","protected":false},"excerpt":{"rendered":"

Nouvelle venue sur la gamme 13G Dell (13\u00e8me g\u00e9n\u00e9ration), la PERC H730 a \u00e9t\u00e9 test\u00e9e en R&D avant la mise en place des premiers serveurs de cette gamme en production dans le cadre de notre offre d’h\u00e9bergement Le test a \u00e9t\u00e9 r\u00e9alis\u00e9 avec une installation de base de Debian Wheezy La carte est reconnue par lire la suite <\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":2012,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tic"],"_links":{"self":[{"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/posts\/2011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/comments?post=2011"}],"version-history":[{"count":2,"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/posts\/2011\/revisions"}],"predecessor-version":[{"id":2721,"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/posts\/2011\/revisions\/2721"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/media\/2012"}],"wp:attachment":[{"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/media?parent=2011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/categories?post=2011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdubois.fr\/blog\/wp-json\/wp\/v2\/tags?post=2011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}