{"id":19674,"date":"2017-08-19T06:31:12","date_gmt":"2017-08-18T22:31:12","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/08\/19\/%e5%9c%a8-centos-7-%e4%b8%8b%e5%ae%89%e8%a3%9d-iscsi-initiator\/"},"modified":"2021-03-18T17:25:07","modified_gmt":"2021-03-18T09:25:07","slug":"%e5%9c%a8-centos-7-%e4%b8%8b%e5%ae%89%e8%a3%9d-iscsi-initiator","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2017\/08\/19\/%e5%9c%a8-centos-7-%e4%b8%8b%e5%ae%89%e8%a3%9d-iscsi-initiator\/","title":{"rendered":"\u5728 CentOS 7 \u4e0b\u5b89\u88dd iSCSI Initiator"},"content":{"rendered":"

\u53c3\u8003\u7db2\u7ad9\uff1a
CentOS 7 : Configure iSCSI Initiator(CentOS) : Server World<\/a>
CentOS 7 \u5b89\u88dd iSCSI Server<\/a><\/p>\n

1. \u5b89\u88dd iscsi-initiator-utils \u5957\u4ef6
# yum -y install iscsi-initiator-utils<\/span> <\/p>\n

2. \u4fee\u6539 \/etc\/iscsi\/initiatorname.iscsi<\/span> \u8a2d\u5b9a\u6a94
# vim \/etc\/iscsi\/initiatorname.iscsi<\/span>
InitiatorName=iqn.2017-04.tces.test:linux-pc<\/span><\/p>\n

3. \u4fee\u6539 \/etc\/iscsi\/iscsid.conf<\/span>\u00a0 \u8a2d\u5b9a\u6a94
# cp \/etc\/iscsi\/iscsid.conf \/etc\/iscsi\/iscsid.conf.$(date +%F)<\/span>
# vim<\/span> \/etc\/iscsi\/iscsid.conf<\/span>
\u628a
#node.session.auth.authmethod = CHAP<\/span>
#node.session.auth.username = username<\/span>
#node.session.auth.password = password<\/span>
\u4fee\u6539\u6210
node.session.auth.authmethod = CHAP<\/span>
node.session.auth.username = username<\/span>
node.session.auth.password = password[@more@]<\/span>
4. \u5c0b\u627e iSCSI Server \u5206\u4eab\u7684\u8a2d\u5099
# \/usr\/sbin\/iscsiadm -m discovery -t sendtargets -p 192.168.1.46<\/span>
192.168.1.46:3260,1 iqn.2017-04.tces.test:linux.disk<\/span><\/p>\n

5. \u986f\u793a iSCSI Server \u72c0\u614b
# \/usr\/sbin\/iscsiadm -m node -o show<\/span>
# BEGIN RECORD 6.2.0.873-35<\/span>
node.name = iqn.2017-04.tces.test:linux.disk<\/span>
node.tpgt = 1<\/span>
node.startup = automatic<\/span>
node.leading_login = No<\/span>
iface.hwaddress = <empty><\/span>
iface.ipaddress = <empty><\/span>
iface.iscsi_ifacename = default<\/span>
iface.net_ifacename = <empty><\/span>
iface.gateway = <empty><\/span>
iface.subnet_mask = <empty><\/span>
iface.transport_name = tcp<\/span>
iface.initiatorname = <empty><\/span>
iface.state = <empty><\/span>
iface.vlan_id = 0<\/span>
iface.vlan_priority = 0<\/span>
iface.vlan_state = <empty><\/span>
iface.iface_num = 0<\/span>
iface.mtu = 0<\/span>
iface.port = 0<\/span>
iface.bootproto = <empty><\/span>
iface.dhcp_alt_client_id_state = <empty><\/span>
iface.dhcp_alt_client_id = <empty><\/span>
iface.dhcp_dns = <empty><\/span>
iface.dhcp_learn_iqn = <empty><\/span>
iface.dhcp_req_vendor_id_state = <empty><\/span>
iface.dhcp_vendor_id_state = <empty><\/span>
iface.dhcp_vendor_id = <empty><\/span>
iface.dhcp_slp_da = <empty><\/span>
iface.fragmentation = <empty><\/span>
iface.gratuitous_arp = <empty><\/span>
iface.incoming_forwarding = <empty><\/span>
iface.tos_state = <empty><\/span>
iface.tos = 0<\/span>
iface.ttl = 0<\/span>
iface.delayed_ack = <empty><\/span>
iface.tcp_nagle = <empty><\/span>
iface.tcp_wsf_state = <empty><\/span>
iface.tcp_wsf = 0<\/span>
iface.tcp_timer_scale = 0<\/span>
iface.tcp_timestamp = <empty><\/span>
iface.redirect = <empty><\/span>
iface.def_task_mgmt_timeout = 0<\/span>
iface.header_digest = <empty><\/span>
iface.data_digest = <empty><\/span>
iface.immediate_data = <empty><\/span>
iface.initial_r2t = <empty><\/span>
iface.data_seq_inorder = <empty><\/span>
iface.data_pdu_inorder = <empty><\/span>
iface.erl = 0<\/span>
iface.max_receive_data_len = 0<\/span>
iface.first_burst_len = 0<\/span>
iface.max_outstanding_r2t = 0<\/span>
iface.max_burst_len = 0<\/span>
iface.chap_auth = <empty><\/span>
iface.bidi_chap = <empty><\/span>
iface.strict_login_compliance = <empty><\/span>
iface.discovery_auth = <empty><\/span>
iface.discovery_logout = <empty><\/span>
node.discovery_address = 140.111.74.46<\/span>
node.discovery_port = 3260<\/span>
node.discovery_type = send_targets<\/span>
node.session.initial_cmdsn = 0<\/span>
node.session.initial_login_retry_max = 8<\/span>
node.session.xmit_thread_priority = -20<\/span>
node.session.cmds_max = 128<\/span>
node.session.queue_depth = 32<\/span>
node.session.nr_sessions = 1<\/span>
node.session.auth.authmethod = CHAP<\/span>
node.session.auth.username = test<\/span>
node.session.auth.password = ********<\/span>
node.session.auth.username_in = <empty><\/span>
node.session.auth.password_in = <empty><\/span>
node.session.timeo.replacement_timeout = 120<\/span>
node.session.err_timeo.abort_timeout = 15<\/span>
node.session.err_timeo.lu_reset_timeout = 30<\/span>
node.session.err_timeo.tgt_reset_timeout = 30<\/span>
node.session.err_timeo.host_reset_timeout = 60<\/span>
node.session.iscsi.FastAbort = Yes<\/span>
node.session.iscsi.InitialR2T = No<\/span>
node.session.iscsi.ImmediateData = Yes<\/span>
node.session.iscsi.FirstBurstLength = 262144<\/span>
node.session.iscsi.MaxBurstLength = 16776192<\/span>
node.session.iscsi.DefaultTime2Retain = 0<\/span>
node.session.iscsi.DefaultTime2Wait = 2<\/span>
node.session.iscsi.MaxConnections = 1<\/span>
node.session.iscsi.MaxOutstandingR2T = 1<\/span>
node.session.iscsi.ERL = 0<\/span>
node.conn[0].address = 192.168.1.46<\/span>
node.conn[0].port = 3260<\/span>
node.conn[0].startup = manual<\/span>
node.conn[0].tcp.window_size = 524288<\/span>
node.conn[0].tcp.type_of_service = 0<\/span>
node.conn[0].timeo.logout_timeout = 15<\/span>
node.conn[0].timeo.login_timeout = 15<\/span>
node.conn[0].timeo.auth_timeout = 45<\/span>
node.conn[0].timeo.noop_out_interval = 5<\/span>
node.conn[0].timeo.noop_out_timeout = 5<\/span>
node.conn[0].iscsi.MaxXmitDataSegmentLength = 0<\/span>
node.conn[0].iscsi.MaxRecvDataSegmentLength = 262144<\/span>
node.conn[0].iscsi.HeaderDigest = None<\/span>
node.conn[0].iscsi.IFMarker = No<\/span>
node.conn[0].iscsi.OFMarker = No<\/span>
# END RECORD<\/span><\/p>\n

6. \u767b\u5165\u4f7f\u7528 iSCSI \u8a2d\u5099
# \/usr\/sbin\/iscsiadm -m node –login<\/span>
Logging in to [iface: default, target: iqn.2017-04.tces.test:linux.disk, portal: 192.168.1.46,3260] (multiple)<\/span>
Login to [iface: default, target: iqn.2017-04.tces.test:linux.disk, portal: 192.168.1.46,3260] successful.<\/span><\/p>\n

7. \u986f\u793a\u9023\u7dda\u72c0\u614b
# \/usr\/sbin\/iscsiadm -m session -o show<\/span>
tcp: [1] 192.168.1.46:3260,1 iqn.2017-04.tces.test:linux.disk (non-flash)<\/span><\/p>\n

8. \u6aa2\u67e5\u662f\u5426\u6709\u591a\u500b\u4e00\u500b\u786c\u789f
# cat \/proc\/partitions<\/span>
major minor\u00a0 #blocks\u00a0 name<\/span><\/p>\n

\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0 20971520 sda<\/span>
\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0 1048576 sda1<\/span>
\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2\u00a0\u00a0 19921920 sda2<\/span>
\u00a0 11\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0 4277248 sr0<\/span>
\u00a0253\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0 17821696 dm-0<\/span>
\u00a0253\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0 2097152 dm-1<\/span>
\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 16\u00a0\u00a0 10485760 sdb<\/span><\/p>\n

# fdisk -l<\/span><\/p>\n

Disk \/dev\/sda: 21.5 GB, 21474836480 bytes, 41943040 sectors<\/span>
Units = sectors of 1 * 512 = 512 bytes<\/span>
Sector size (logical\/physical): 512 bytes \/ 512 bytes<\/span>
I\/O \u5927\u5c0f (\u6700\u5c0f\/\u6700\u4f73\u5316)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span>
Disk label type: dos<\/span>
\u78c1\u789f\u8b58\u5225\u78bc\uff1a0x000a2798<\/span><\/p>\n

\u6240\u7528\u88dd\u7f6e \u958b\u6a5f\u00a0\u00a0\u00a0\u00a0\u00a0 \u958b\u59cb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7d50\u675f\u00a0\u00a0\u00a0\u00a0\u00a0 \u5340\u584a\u00a0\u00a0 \u8b58\u5225\u865f\u00a0 \u7cfb\u7d71<\/span>
\/dev\/sda1\u00a0\u00a0 *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048\u00a0\u00a0\u00a0\u00a0 2099199\u00a0\u00a0\u00a0\u00a0 1048576\u00a0\u00a0 83\u00a0 Linux<\/span>
\/dev\/sda2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2099200\u00a0\u00a0\u00a0 41943039\u00a0\u00a0\u00a0 19921920\u00a0\u00a0 8e\u00a0 Linux LVM<\/span><\/p>\n

Disk \/dev\/mapper\/cl-root: 18.2 GB, 18249416704 bytes, 35643392 sectors<\/span>
Units = sectors of 1 * 512 = 512 bytes<\/span>
Sector size (logical\/physical): 512 bytes \/ 512 bytes<\/span>
I\/O \u5927\u5c0f (\u6700\u5c0f\/\u6700\u4f73\u5316)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span><\/p>\n

Disk \/dev\/mapper\/cl-swap: 2147 MB, 2147483648 bytes, 4194304 sectors<\/span>
Units = sectors of 1 * 512 = 512 bytes<\/span>
Sector size (logical\/physical): 512 bytes \/ 512 bytes<\/span>
I\/O \u5927\u5c0f (\u6700\u5c0f\/\u6700\u4f73\u5316)\uff1a512 \u4f4d\u5143\u7d44 \/ 512 \u4f4d\u5143\u7d44<\/span><\/p>\n

Disk \/dev\/sdb: 10.7 GB, 10737418240 bytes, 20971520 sectors<\/span>
Units = sectors of 1 * 512 = 512 bytes<\/span>
Sector size (logical\/physical): 512 bytes \/ 512 bytes<\/span>
I\/O \u5927\u5c0f (\u6700\u5c0f\/\u6700\u4f73\u5316)\uff1a512 \u4f4d\u5143\u7d44 \/ 4194304 \u4f4d\u5143\u7d44<\/span><\/p>\n

# file \/dev\/sdb<\/span>
\/dev\/sdb: block special<\/span><\/p>\n

9. \u5efa\u7acb\u639b\u76ee\u9304\u53ca\u683c\u5f0f\u5316\u786c\u789f
# mkdir \/iscsidisk<\/span>
# mkfs.xfs \/dev\/sdb<\/span>
meta-data=\/dev\/sdb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 isize=512\u00a0\u00a0\u00a0 agcount=4, agsize=655360 blks<\/span>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 =\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 sectsz=512\u00a0\u00a0 attr=2, projid32bit=1<\/span>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 =\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 crc=1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 finobt=0, sparse=0<\/span>
data\u00a0\u00a0\u00a0\u00a0 =\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 bsize=4096\u00a0\u00a0 blocks=2621440, imaxpct=25<\/span>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 =\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 sunit=0\u00a0\u00a0\u00a0\u00a0\u00a0 swidth=0 blks<\/span>
naming\u00a0\u00a0 =version 2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 bsize=4096\u00a0\u00a0 ascii-ci=0 ftype=1<\/span>
log\u00a0\u00a0\u00a0\u00a0\u00a0 =internal log\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 bsize=4096\u00a0\u00a0 blocks=2560, version=2<\/span>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 =\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 sectsz=512\u00a0\u00a0 sunit=0 blks, lazy-count=1<\/span>
realtime =none\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 extsz=4096\u00a0\u00a0 blocks=0, rtextents=0<\/span><\/p>\n

# mount \/dev\/sdb \/iscsidisk<\/span>
# df -h<\/span>
\u6a94\u6848\u7cfb\u7d71\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5bb9\u91cf\u00a0 \u5df2\u7528\u00a0 \u53ef\u7528 \u5df2\u7528% \u639b\u8f09\u9ede<\/span>
\/dev\/mapper\/cl-root\u00a0\u00a0 17G\u00a0\u00a0 11G\u00a0 7.0G\u00a0\u00a0 60% \/<\/span>
devtmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 982M\u00a0\u00a0\u00a0\u00a0 0\u00a0 982M\u00a0\u00a0\u00a0 0% \/dev<\/span>
tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 993M\u00a0\u00a0\u00a0\u00a0 0\u00a0 993M\u00a0\u00a0\u00a0 0% \/dev\/shm<\/span>
tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 993M\u00a0 8.7M\u00a0 984M\u00a0\u00a0\u00a0 1% \/run<\/span>
tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 993M\u00a0\u00a0\u00a0\u00a0 0\u00a0 993M\u00a0\u00a0\u00a0 0% \/sys\/fs\/cgroup<\/span>
\/dev\/sda1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1014M\u00a0 176M\u00a0 839M\u00a0\u00a0 18% \/boot<\/span>
tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 199M\u00a0\u00a0\u00a0\u00a0 0\u00a0 199M\u00a0\u00a0\u00a0 0% \/run\/user\/0<\/span>
\/dev\/sdb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10G\u00a0\u00a0 33M\u00a0\u00a0 10G\u00a0\u00a0\u00a0 1% \/iscsidisk<\/span><\/p>\n

10. \u5beb\u5165\u5230 \/etc\/fstab<\/span>
# blkid | grep \/dev\/sdb<\/span>
\/dev\/sdb: UUID=”8f933fbf-a56d-40bb-8c88-cb9ec851095f” TYPE=”xfs”<\/span><\/p>\n

# vim \/etc\/fstab<\/span>
\u52a0\u5165\u4e0b\u9762\u4e00\u884c
\/dev\/sdb: UUID=8f933fbf-a56d-40bb-8c88-cb9ec851095f \/iscsidisk xfs default,_netdev 0 0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u53c3\u8003\u7db2\u7ad9\uff1aCentOS 7 : Configure iSCSI Initiator(CentOS) : Ser … <\/p>\n

\u95b1\u8b80\u5168\u6587\u3008\u5728 CentOS 7 \u4e0b\u5b89\u88dd iSCSI Initiator\u3009<\/span><\/a><\/p>\n","protected":false},"author":55,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117,187],"tags":[],"class_list":["post-19674","post","type-post","status-publish","format-standard","hentry","category-c-78462","category-c-105646"],"meta_key":{"_pingme":["1"],"_encloseme":["1"],"lt_post_id":["690735"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19674"}],"collection":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/comments?post=19674"}],"version-history":[{"count":1,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19674\/revisions"}],"predecessor-version":[{"id":21170,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19674\/revisions\/21170"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=19674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=19674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=19674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}