Lnuix SAN存储

查看当前版本信息

[root@ZZSRV1 ~]# uname -a

Linux ZZSRV1.localdomain3.10.0-123.el7.x86_64 #1 SMP Mon Jun 30 12:09:22 UTC 2014 x86_64 x86_64 x86_64GNU/Linux

[root@ZZSRV1 ~]# cat /etc/redhat-release

CentOS Linux release 7.0.1406 (Core)

[root@ZZSRV1 ~]#

 

 

[root@ZZSRV1 dev]# mount /dev/cdrom/mnt/cdrom/

mount: /dev/sr0 is write-protected,mounting read-only

[root@ZZSRV1 dev]#

 

[root@ZZSRV1 ~]# cd /mnt/cdrom/Packages/

查看安装包

[root@ZZSRV1 Packages]# ls iscsi*

iscsi-initiator-utils-6.2.0.873-21.el7.x86_64.rpm

iscsi-initiator-utils-iscsiuio-6.2.0.873-21.el7.x86_64.rpm

 

 

[root@ZZSRV1 Packages]# rpm -Uvhiscsi-initiator-utils-6.2.0.873-21.el7.x86_64.rpmiscsi-initiator-utils-iscsiuio-6.2.0.873-21.el7.x86_64.rpm

warning:iscsi-initiator-utils-6.2.0.873-21.el7.x86_64.rpm: Header V3 RSA/SHA256Signature, key ID f4a80eb5: NOKEY

Preparing...                         ################################# [100%]

Updating / installing...

  1:iscsi-initiator-utils-iscsiuio-6.################################# [50%]

  2:iscsi-initiator-utils-6.2.0.873-2#################################[100%]

 

[root@ZZSRV1 iscsi]# viminitiatorname.iscsi

将：InitiatorName=iqn.1994-05.com.redhat:e8ace8ef66dc

改为：InitiatorName=iqn.1994-05.com.redhat:Linux-test

 

 

先连接上CDP让后做下面实验

[root@ZZSRV1 iscsi]# iscsiadm -m discovery-t sendtargets -p 192.168.188.128:3260

192.168.188.128:3260,0iqn.2000-03.com.falconstor-ipstor.FalconStor-CDPVA.Linux-test22-0 #[root@ZZSRV1iscsi]# iscsiadm -m node -p 192.168.188.128

# BEGIN RECORD 6.2.0.873-21

node.name =iqn.2000-03.com.falconstor-ipstor.FalconStor-CDPVA.Linux-test22-0

node.tpgt = 0

node.startup = automatic

node.leading_login = No

iface.hwaddress = <empty>

iface.ipaddress = <empty>

iface.iscsi_ifacename = default

iface.net_ifacename = <empty>

……………..

………………..

登陆到CDP并建立链接

[root@ZZSRV1iscsi]#iscsiadm-mnode-Tiqn.2000-03.com.falconstor-ipstor.FalconStor-CDPVA.Linux-test22-0-p 192.168.188.128:3260 -l

Logginginto[iface:default,target:iqn.2000-03.com.falconstor-ipstor.FalconStor-CDPVA.Linux-test22-0,portal:192.168.188.128,3260](multiple)iscsiadm:Couldnotloginto[iface:default,target:iqn.2000-03.com.falconstor-ipstor.FalconStor-CDPVA.Linux-test22-0,portal:192.168.188.128,326].

iscsiadm: initiator reported error (24 -iSCSI login failed due to authorization failure)

iscsiadm: Could not log into all portals

[root@ZZSRV1 iscsi]#

 

 

添加两块磁盘，重新启动

Fdisk �Cl 显示磁盘信息，就会看到新加的两块磁盘

[root@ZZSRV1 ~]# fdisk -l

Disk /dev/sda: 42.9 GB, 42949672960 bytes,83886080 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes /512 bytes

I/O size (minimum/optimal): 512 bytes / 512bytes

Disk label type: dos

Disk identifier: 0x000616f9

 

  Device Boot      Start        End      Blocks   Id System

/dev/sda1  *        2048     1026047      512000  83  Linux

/dev/sda2         1026048    83886079   41430016   8e  Linux LVM

 

Disk /dev/sdb: 21.5 GB, 21474836480 bytes,41943040 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes /512 bytes

I/O size (minimum/optimal): 512 bytes / 512bytes

 

 

Disk /dev/sdc: 32.2 GB, 32212254720 bytes,62914560 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes /512 bytes

I/O size (minimum/optimal): 512 bytes / 512bytes

 

 

Disk /dev/mapper/centos_zzsrv1-swap: 2181MB, 2181038080 bytes, 4259840 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes /512 bytes

I/O size (minimum/optimal): 512 bytes / 512bytes

 

 

Disk /dev/mapper/centos_zzsrv1-root: 40.2GB, 40240152576 bytes, 78594048 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes /512 bytes

I/O size (minimum/optimal): 512 bytes / 512bytes

 

将磁盘分区

[root@ZZSRV1 ~]# fdisk /dev/sdb

Welcome to fdisk (util-linux 2.23.2).

 

Changes will remain in memory only, untilyou decide to write them.

Be careful before using the write command.

 

Device does not contain a recognizedpartition table

Building a new DOS disklabel with diskidentifier 0x2223d23d.

 

Command (m for help): n

Partition type:

  p   primary (0 primary, 0extended, 4 free)

  e   extended

Select (default p): p

Partition number (1-4, default 1):

First sector (2048-41943039, default 2048):

Using default value 2048

Last sector, +sectors or +size{K,M,G}(2048-41943039, default 41943039):

Using default value 41943039

Partition 1 of type Linux and of size 20GiB is set

 

Command (m for help): p

 

Disk /dev/sdb: 21.5 GB, 21474836480 bytes,41943040 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes /512 bytes

I/O size (minimum/optimal): 512 bytes / 512bytes

Disk label type: dos

Disk identifier: 0x2223d23d

 

  Device Boot      Start         End     Blocks   Id System

/dev/sdb1            2048    41943039   20970496   83  Linux

 

Command (m for help): w

The partition table has been altered!

 

Calling ioctl() to re-read partition table.

Syncing disks

 

同样再将另一块磁盘分区

 

[root@ZZSRV1 ~]# fdisk /dev/sdc

Welcome to fdisk (util-linux 2.23.2).

 

Changes will remain in memory only, untilyou decide to write them.

Be careful before using the write command.

 

Device does not contain a recognizedpartition table

Building a new DOS disklabel with diskidentifier 0xee00a7c2.

 

Command (m for help): n

Partition type:

  p   primary (0 primary, 0extended, 4 free)

  e   extended

Select (default p): p

Partition number (1-4, default 1):

First sector (2048-62914559, default 2048):

Using default value 2048

Last sector, +sectors or +size{K,M,G}(2048-62914559, default 62914559):

Using default value 62914559

Partition 1 of type Linux and of size 30GiB is set

 

Command (m for help): p

 

Disk /dev/sdc: 32.2 GB, 32212254720 bytes,62914560 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes /512 bytes

I/O size (minimum/optimal): 512 bytes / 512bytes

Disk label type: dos

Disk identifier: 0xee00a7c2

 

  Device Boot      Start         End      Blocks  Id  System

/dev/sdc1            2048    62914559   31456256   83  Linux

 

 

 

显示所有磁盘分区创建新磁盘物理卷

[root@ZZSRV1 ~]# ll /dev/sd*

brw-rw---- 1 root disk 8,  0 Aug 19 19:04 /dev/sda

brw-rw---- 1 root disk 8,  1 Aug 19 19:04 /dev/sda1

brw-rw---- 1 root disk 8,  2 Aug 19 19:04 /dev/sda2

brw-rw---- 1 root disk 8, 16 Aug 19 19:09/dev/sdb

brw-rw---- 1 root disk 8, 17 Aug 19 19:09/dev/sdb1

brw-rw---- 1 root disk 8, 32 Aug 19 19:11/dev/sdc

brw-rw---- 1 root disk 8, 33 Aug 19 19:11/dev/sdc1

[root@ZZSRV1 ~]# pvcreate /dev/sd[bc][1]

 Physical volume "/dev/sdb1" successfully created

 Physical volume "/dev/sdc1" successfully created

[root@ZZSRV1 ~]# vgcreate vgdata/dev/sd[bc]1

 Volume group "vgdata" successfully created

[root@ZZSRV1 ~]# lvcreate -m1  -L 19.51G vgdata -n backupdlv /dev/sd[bc]1

 Rounding up size to full physical extent 19.51 GiB

 Logical volume "backupdlv" created

[root@ZZSRV1 ~]# lvs -a -o +devices

 LV                   VG            Attr       LSize Pool Origin Data%  Move LogCpy%Sync Convert Devices           

 root                 centos_zzsrv1-wi-ao---- 37.48g                                             /dev/sda2(520)    

 swap                 centos_zzsrv1-wi-ao----  2.03g                                             /dev/sda2(0)      

 backupdlv            vgdata        rwi-a-r--- 19.51g                                87.71         backupdlv_rimage_0(0),backupdlv_rimage_1(0)

 [backupdlv_rimage_0] vgdata       Iwi-aor--- 19.51g                                             /dev/sdb1(1)      

 [backupdlv_rimage_1] vgdata       Iwi-aor--- 19.51g                                             /dev/sdc1(1)      

 [backupdlv_rmeta_0]  vgdata        ewi-aor---  4.00m                                             /dev/sdb1(0)      

 [backupdlv_rmeta_1]  vgdata        ewi-aor---  4.00m                                             /dev/sdc1(0)

 

格式化LV

[root@ZZSRV1 ~]# mkfs.ext4/dev/vgdata/backupdlv

mke2fs 1.42.9 (28-Dec-2013)

Filesystem label=

OS type: Linux

Block size=4096 (log=2)

Fragment size=4096 (log=2)

Stride=0 blocks, Stripe width=0 blocks

1281120 inodes, 5114880 blocks

255744 blocks (5.00%) reserved for thesuper user

First data block=0

Maximum filesystem blocks=2153775104

157 block groups

32768 blocks per group, 32768 fragments pergroup

8160 inodes per group

Superblock backups stored on blocks:

       32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,

       4096000

 

Allocating group tables: done

Writing inode tables: done

Creating journal (32768 blocks): done

Writing superblocks and filesystemaccounting information: done

 

挂载成功就明没问题了

[root@ZZSRV1 dev]# mkdir /ftp

[root@ZZSRV1 dev]# mount /dev/vg

vga_arbiter vgdata/     

[root@ZZSRV1 dev]# mount/dev/vgdata/backupdlv /ftp