WD20EADS取り付け作業ごく一部メモ
ただいまストレージ サーバー構築中で、事前準備でちまちまと広がりの少ない作業をしています．
とりあえず少しずつ取得したものを保管しておきます．
# /bin/cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: Kingmax Model: USB2.0 FlashDisk Rev: 1100 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: WDC WD20EADS-00R Rev: 01.0 Type: Direct-Access ANSI SCSI revision: 05 Host: scsi2 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: WDC WD20EADS-00R Rev: 01.0 Type: Direct-Access ANSI SCSI revision: 05
# /usr/sbin/hddtemp /dev/sdb /dev/sdb: WDC WD20EADS-00R6B0: 34°C # /sbin/hdparm -t /dev/sdb /dev/sdb: Timing buffered disk reads: 280 MB in 3.00 seconds = 93.27 MB/sec # /sbin/hdparm -T /dev/sdb /dev/sdb: Timing cached reads: 3392 MB in 2.00 seconds = 1695.75 MB/sec
# /usr/sbin/hddtemp /dev/sdc /dev/sdc: WDC WD20EADS-00R6B0: 30°C # /sbin/hdparm -t /dev/sdc /dev/sdc: Timing buffered disk reads: 268 MB in 3.00 seconds = 89.33 MB/sec # /sbin/hdparm -T /dev/sdc /dev/sdc: Timing cached reads: 3392 MB in 2.00 seconds = 1695.20 MB/sec
# /sbin/hdparm -t /dev/md0 /dev/md0: Timing buffered disk reads: 210 MB in 3.01 seconds = 69.76 MB/sec # /sbin/hdparm -T /dev/md0 /dev/md0: Timing cached reads: 3392 MB in 2.00 seconds = 1696.43 MB/sec
# /sbin/hdparm -t /dev/md1 /dev/md1: Timing buffered disk reads: 140 MB in 3.02 seconds = 46.42 MB/sec # /sbin/hdparm -T /dev/md1 /dev/md1: Timing cached reads: 3384 MB in 2.00 seconds = 1692.62 MB/sec >|| # /sbin/fdisk -l /dev/sdb /dev/sdc Disk /dev/sdb: 2000.3 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 1217 9775521 83 Linux /dev/sdb2 1218 232213 1855475370 83 Linux /dev/sdb3 232214 233430 9775552+ 83 Linux Disk /dev/sdc: 2000.3 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 1 1217 9775521 83 Linux /dev/sdc2 1218 232213 1855475370 83 Linux /dev/sdc3 232214 233430 9775552+ 83 Linux
# /sbin/mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sdb1 /dev/sdc1 # /sbin/mdadm --create /dev/md1 --level=1 --raid-devices=2 /dev/sdb3 /dev/sdc3
# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sdc1[1] sdb1[0]
9775424 blocks [2/2] [UU]
md1 : active raid1 sdc3[1] sdb3[0]
9775488 blocks [2/2] [UU]
unused devices: <none># /bin/mount | /bin/grep md /dev/md0 on /data type ext4 (rw,noatime) /dev/md1 on /data2 type ext4 (rw,noatime)
# /bin/dd if=/dev/zero of=/data/disk-01.img bs=1048576 count=8192; /bin/dd if=/dev/zero of=/data2/disk-01.img bs=1048576 count=8192; 8192+0 records in 8192+0 records out 8589934592 bytes (8.6 GB) copied, 85.3639 seconds, 101 MB/s 8192+0 records in 8192+0 records out 8589934592 bytes (8.6 GB) copied, 154.423 seconds, 55.6 MB/s
# cat >> /etc/tgt/targets.conf <target iqn.2003-03.poyo.jp:str01.target01> backing-store /data/disk-01.img backing-store /data2/disk-01.img </target>
# /sbin/service tgtd restart Stopping SCSI target daemon: [ OK ] Starting SCSI target daemon: Starting target framework daemon
# /usr/sbin/tgtadm --lld iscsi --mode target --op show
Target 1: iqn.2003-03.poyo.jp:str01.target01
System information:
Driver: iscsi
State: ready
I_T nexus information:
LUN information:
LUN: 0
Type: controller
SCSI ID: IET 00010000
SCSI SN: beaf10
Size: 0 MB
Online: Yes
Removable media: No
Backing store type: rdwr
Backing store path: None
LUN: 1
Type: disk
SCSI ID: IET 00010001
SCSI SN: beaf11
Size: 8590 MB
Online: Yes
Removable media: No
Backing store type: rdwr
Backing store path: /data/disk-01.img
LUN: 2
Type: disk
SCSI ID: IET 00010002
SCSI SN: beaf12
Size: 8590 MB
Online: Yes
Removable media: No
Backing store type: rdwr
Backing store path: /data2/disk-01.img
Account information:
ACL information:
ALL
