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- 37 MegaCliのSmart情報
- ics completion on : N/A SAS Address(0): 0x4433221100000000 Connected Port Number: 0(path0) Inquiry D... ics completion on : N/A SAS Address(0): 0x4433221101000000 Connected Port Number: 1(path0) Inquiry Data: 9XF3N5RZST9500620NS ... da smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.10.0+2] (local build) Copyright (C) 2002-11 by Bruce
- 21 kernelによってvmstat結果が違う
- 58.14.1.el6.x86_64 </code> ==== 負荷をかける ==== 全CPU100%にする為、わざと無限ループさせる 今回はCPU4つなので、4回実行する。 <code cons... 812 8012 186928 0 0 0 0 3356 36 10 0 87 0 2 4 0 0 247812 8012 186928 ... 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu1 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu2 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%h
- 60 adaptech_raidのledランプを付ける.
- ent 0 : Present (0,10) 9WK2YZ770000C1244YVH Segment 1 ... s Reported Channel,Device(T:L) : 0,10(10:0) Reported Location : Enclosure 0, Slot 2 Reported ESD(T:L) ... Model : ST31000424SS Firmware
- 09 Linux rescue ドライバあり
- > # linux rescue blacklist=ahci ks=http://192.168.10.10/ks-rescue.cfg ip=192.168.10.11 netmask=255.255.255.0 gateway=192.168.10.11 dns=8.8.8.8 ksdevice=eth0 </code> ※DL170の場合 ==== Kic
- 25 LVM内のLVMをマウント
- VmVol01 VolGroup00 -wi-a----- 100.00g </code> ^ LVM ^ 用途 ^ |LogVol00| HVのSwap| |L... Group00/VmVol01 Disk /dev/VolGroup00/VolADM3004: 107.4 GB, 107374182400 bytes 255 heads, 63 sectors/track, 13054 cylinders Units = cylinders of 16065 * 5... olGroup00/VmVol01p2 26 13055 104651776 8e Linux LVM </code> ===== 2.VM用LVMを見れ
- WARNING： at kernel／sched.c：5914
- ate nf_conntrack ip6table_filter ip6_tables ipv6 e1000 i2c_piix4 i2c_core sg ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif pata_acpi ata_generic ata_piix dm_mirror dm_re... e: Jan 8 20:44:53 cloud-berry kernel: [<ffffffff81069997>] ? warn_slowpath_common+0×87/0xc0 Jan 8 20:44:53 cloud-berry kernel: [<ffffffff810699ea>] ? warn_slowpath_null+0x1a/0×20 Jan 8 20:4
- リアルタイムでトラフィックを見る
- \ echo "$(expr \( \( $_T2 - $_T1 \) \* 8 \) \/ 1024 ) kbps"; done ===== KVM VMの場合 ===== どのbridg... o Receive "$(expr \( \( $_R2 - $_R1 \) \* 8 \) \/ 1024 ) kbps"; done </code> ===== 送信（Transmit） =====... Transmit "$(expr \( \( $_T2 - $_T1 \) \* 8 \) \/ 1024 ) kbps"; done </code> ===== 受信と送信を両方同時に出力 ====... eceive "$(expr \( \( \( $_R2 - $_R1 \) \* 8 \) \/ 1024 \) \/ 1024 ) Mbps |";\ echo Transmit "$(expr
- 17 LVMミラー
- e raid5 -L 1G -n lvraid5 VG01 lvcreate --type raid10 -L 1G -n lvraid10 VG01 </code> ==== 確認方法 ==== <code console> # lvs -a -o +devices LV ... i-a-r--- 1.00g 100.00 lvraid1_rimage_0(0),lvraid1_rimage_... i-a-r--- 1.00g 100.00 lvraid1_rimage_0(0),lvraid1_rimage_
- 61 AdaptechでHotSpreを使う
- nt (Controller:1,Enclosure:0,Slot:8) 9WK19MN00000C103544Z Segment 7 ... : Present (Controller:1,Enclosure:0,Slot:10) 9WK2Z37E00009125U7DB Segment 9 ... t (Controller:1,Enclosure:0,Slot:11) 9WK162K20000C10353VP Segment 10 : Present (Controller:1,Enclosure:0,Slot:12) 9WK2Z3C
- ソフトウェアraid構築
- ) p Partition number (1-4): 1 First cylinder (1-2610, default 1): Using default value 1 Last cylinder, +cylinders or +size{K,M,G} (1-2610, default 2610): Using default value 2610 Command (m for help): t Selected partition 1 Hex code (type L to list co
- 02 Swappiness
- を利用しない| |vm.swappiness = 60|規定値| |vm.swappiness = 100|全体のパフォーマンスに影響しうるほど積極的にスワップ処理を行う| ===== 設定の反映 ===== <code console> # echo 100 > /proc/sys/vm/swappiness </code> OR <code console> # sysctl -w vm.swappiness=100 </code> ===== 設定の確認 ===== <code console> # ca... しても反映させるには ===== sysctl.confに下記を追加 <code console> # vi /etc/sysctl.conf vm.swappiness = 100 </code>
- 15 ddで進捗を確認
- ンソール2 === <code console> # dd if=/dev/VolG00/TEST1001 | gzip -1 - | ssh root@192.168.11.11 "gunzip | dd of=/dev/VolG00/TESTdev1001" 43986753+0 records in 43986752+0 records out 22521217024 bytes (23 GB) copied, 1025.83 s, 22.0 MB/s 62914560+0 records in 62914560... root@testvm ~]# dd if=/dev/zero of=zero.dat count=100000000 & [1] 7647 [root@testvm ~]# watch kill -US
- 35 GPT対応大容量ディスクにパーティションを追加(parted)
- End? 1024 </code> === 確認 === <code console> (parted) pri... Model: Adaptec raid06 (scsi) Disk /dev/sdb: 10996GB Sector size (logical/physical): 512B/512B Pa... ystem Name Flags 1 0.00GB 1024GB 1024GB iscsi-target-data-1 </code> === parted終了 === <code console> (parted) quit
- 62 Adaptechでディスク交換
- 1 DEVICE CH# DEV# DDD </code> ■例 Slot 12番の9WK3NWG10000C132EENQを交換する場合 <code console> /usr/StoreMan/ar... Model : ST31000424SS Firmware ... Serial number : 9WK3NWG10000C132EENQ ・ ・ ・ </code> SETSTATEでの指定はチャネル番号と、デバ... : 1 Task ID : 100 Current operation : Rebuild S
- 64 Adaptech WriteBack設定
- AY2 RAID level : 10 Status of logical device : Opt... AY2 RAID level : 10 Status of logical device : Opt... ==== 性能 ==== WriteBack Disabled # dbench -t 10 4 Throughput 154.849 MB/sec 4 clients 4 procs... tency=119.115 ms WriteBack Enabled # dbench -t 10 4 Throughput 1432.61 MB/sec 4 clients 4 procs
