| ナビゲーションリンクをスキップ | |
| 印刷ビューの終了 | |
|
Oracle Solaris 11.1 の管理: SAN 構成およびマルチパス化 Oracle Solaris 11.1 Information Library (日本語) |
11. x86 ベースシステムのファイバチャネルデバイスからの Oracle Solaris OS のブート
Solaris OS マルチパス化サポートは、mpathadm コマンドを使用して判別および構成します。mpathadm コマンドにより、ANSI 標準のマルチパス管理 API を介したマルチパス化管理が可能になります。パス、イニシエータポート、ターゲットポート、および LU を表すためにこの章で使用される用語は、T10 仕様と一貫性があります。
マルチパス化デバイスを管理するには、次のタスクを実行します。
mpathadm コマンドを使用して、マルチパス化サポート情報を表示し、マルチパス化の発見を管理することもできます。マルチパス化サポートおよびプロパティー情報は、マルチパス管理 API プラグインライブラリ名で識別され、これは mpathadm コマンドを使用して表示されます。
# mpathadm list mpath-support mpath-support: libmpscsi_vhci.so
# mpathadm show mpath-support libmpscsi_vhci.so
mpath-support: libmpscsi_vhci.so
Vendor: Sun Microsystems
Driver Name: scsi_vhci
Default Load Balance: round-robin
Supported Load Balance Types:
round-robin
logical-block
Allows To Activate Target Port Group Access: yes
Allows Path Override: no
Supported Auto Failback Config: yes
Auto Failback: on
Failback Polling Rate (current/max): 0/0
Supported Auto Probing Config: 0
Auto Probing: NA
Probing Polling Rate (current/max): NA/NA
Supported Devices:
Vendor: SUN
Product: T300
Revision:
Supported Load Balance Types:
round-robin
Vendor: SUN
Product: T4
Revision:
Supported Load Balance Types:
round-robin
.
.
.コマンド出力では、マルチパス化サポートソフトウェアによってサポートされるデバイス製品のリストも表示されます。マルチパス化サポート libmpscsi_vhci.so ライブラリファイルは、T10 ターゲットポートグループに準拠したデバイスをデフォルトでサポートします。
次のステップでは、イニシエータポートのプロパティーを表示する方法について説明します。
# mpathadm list initiator-port Initiator Port: iqn.1986-03.com.sun:01:ffffffffffff.4e94f9bd,4000002a00ff Initiator Port: 210100e08ba41feb Initiator Port: 210000e08b841feb
# mpathadm show initiator-port 2000000173018713
Initiator Port: 210100e08ba41feb
Transport Type: Fibre Channel
OS Device File: /devices/pci@1,0/pci1022,7450@1/pci1077,141@2,1/fp@0,0mpathadm コマンドを使用して、LU のリストと、各 LUN のプロパティーを表示します。表示される LU のリストには、特定の LU のプロパティーを表示するために使用できる名前が含まれています。
# mpathadm list lu
/dev/rdsk/c0t600144F08069703400004E828EE10004d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600144F08069703400004E8183DF0002d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF44E233FCFd0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800026D63A0000A4974E23424Ed0s2
Total Path Count: 4
Operational Path Count: 4
.
.
.# mpathadm show lu /dev/rdsk/c4t60003BA27D2120004204AC2B000DAB00d0s2
mpath-support: libmpscsi_vhci.so
Vendor: SUN
Product: Sun Storage NAS
Revision: 1.0
Name Type: unknown type
Name: 600144f08069703400004e828ee10004
Asymmetric: yes
Current Load Balance: round-robin
Logical Unit Group ID: NA
Auto Failback: on
Auto Probing: NA
Paths:
Initiator Port Name: 210100e08ba41feb
Target Port Name: 2100001b329b6c3f
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210100e08ba41feb
Target Port Name: 2101001b32bb6c3f
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210100e08ba41feb
Target Port Name: 2100001b329b793c
Override Path: NA
Path State: OK
Disabled: no
.
.
.
Target Port Groups:
ID: 0
Explicit Failover: no
Access State: active optimized
Target Ports:
Name: 2100001b329b6c3f
Relative ID: 1
Name: 2101001b32bb6c3f
Relative ID: 2
ID: 1
Explicit Failover: no
Access State: standby
Target Ports:
Name: 2100001b329b793c
Relative ID: 257
Name: 2101001b32bb793c
Relative ID: 256次のステップを使用して、ターゲットポートのパスを表示します。
# mpathadm list lu
/dev/rdsk/c0t600144F08069703400004E828EE10004d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600144F08069703400004E8183DF0002d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
Total Path Count: 4
Operational Path Count: 4
.
.
.# mpathadm show lu /dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
Logical Unit: /dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
mpath-support: libmpscsi_vhci.so
Vendor: SUN
Product: CSM200_R
Revision: 0660
Name Type: unknown type
Name: 600a0b800029065c00007cf54e234013
Asymmetric: yes
Current Load Balance: round-robin
Logical Unit Group ID: NA
Auto Failback: on
Auto Probing: NA
Paths:
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
.
.
.
Target Port Groups:
ID: 4
Explicit Failover: yes
Access State: standby
Target Ports:
Name: 200800a0b826d63b
Relative ID: 0
Name: 200800a0b826d63c
Relative ID: 0
ID: 14
Explicit Failover: yes
Access State: active
Target Ports:
Name: 200900a0b826d63b
Relative ID: 0
Name: 200900a0b826d63c
Relative ID: 0# mpathadm list lu -t 20030003ba27d212
mpath-support: libmpscsi_vhci.so
/dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Total Path Count: 4
Operational Path Count: 4
mpath-support: libmpscsi_vhci.so
/dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
Total Path Count: 4
Operational Path Count: 4
mpath-support: libmpscsi_vhci.so
/dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
Total Path Count: 4
Operational Path Count: 4
mpath-support: libmpscsi_vhci.so
/dev/rdsk/c0t600A0B800029065C00007CF44E233FCFd0s2
Total Path Count: 4
Operational Path Count: 4
.
.
.マルチパス化された LU について、パスおよびターゲットポートグループ情報を含む詳細情報を表示します。この情報の名前プロパティーは、ハードウェアから導出し、このシステムによって使用されるこの LU の識別子を表します。名前が SCSI 照会の重要な製品データ (VPD) ページ 83h から導出される場合、名前タイプのプロパティーは、SCSI 標準によって定義される関連した識別子タイプを表します。
# mpathadm list lu
/dev/rdsk/c0t600144F08069703400004E828EE10004d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600144F08069703400004E8183DF0002d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF44E233FCFd0s2
Total Path Count: 4
Operational Path Count: 4
.
.
.# mpathadm show lu /dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Logical Unit: /dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
mpath-support: libmpscsi_vhci.so
Vendor: SUN
Product: CSM200_R
Revision: 0660
Name Type: unknown type
Name: 600a0b800026d63a0000a4994e2342d4
Asymmetric: yes
Current Load Balance: round-robin
Logical Unit Group ID: NA
Auto Failback: on
Auto Probing: NA
Paths:
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Target Port Groups:
ID: 3
Explicit Failover: yes
Access State: active
Target Ports:
Name: 200800a0b826d63b
Relative ID: 0
Name: 200800a0b826d63c
Relative ID: 0
ID: 13
Explicit Failover: yes
Access State: standby
Target Ports:
Name: 200900a0b826d63b
Relative ID: 0
Name: 200900a0b826d63c
Relative ID: 0# mpathadm list lu -n 600a0b800026d63a0000a4994e2342d4
mpath-support: libmpscsi_vhci.so
/dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Total Path Count: 4
Operational Path Count: 4対称型デバイスでは、使用可能な最適パスへの自動フェイルバックが可能です。最初のパスでフェイルオーバーが発生した場合、待機パスは新しいオンラインパスになります。通常、待機パスは準最適なパスです。自動フェイルバックが有効な場合、最初のパスがオンラインに戻り、最初のパスへのフェイルオーバーが自動的に発生します。
# mpathadm list mpath-support mpath-support: libmpscsi_vhci.so
# mpathadm modify mpath-support -a on libmpscsi_vhci.so
# mpathadm show mpath-support libmpscsi_vhci.so
mpath-support: libmpscsi_vhci.so
Vendor: Sun Microsystems
Driver Name: scsi_vhci
Default Load Balance: round-robin
Supported Load Balance Types:
round-robin
logical-block
Allows To Activate Target Port Group Access: yes
Allows Path Override: no
Supported Auto Failback Config: 1
Auto Failback: on
Failback Polling Rate (current/max): 0/0
Supported Auto Probing Config: 0
Auto Probing: NA
Probing Polling Rate (current/max): NA/NA
Supported Devices:
Vendor: SUN
Product: T300
Revision:
Supported Load Balance Types:
round-robin
Vendor: SUN
Product: T4
Revision:
Supported Load Balance Types:
round-robin
.
.
.
注 - mpathadm modify コマンド設定によって開始された自動表示は、システムが実行している間有効です。ただし、変更された設定を持続させるには、/etc/driver/drv/scsi_vhci.conf ファイルを更新する必要があります。「自動フェイルバックの構成」を参照してください。
この操作は、次の 2 つのカテゴリのデバイスにのみ該当します。
マルチパス化サポートによって認識およびサポートされる、専有のフェイルオーバーメカニズムを持つ非対称型デバイス
T10 標準のターゲットポートグループサポート libmpscsi_vhci.so に準拠し、明示的な非対称型 LU アクセスのモードを提供するデバイス
# mpathadm list lu
/dev/rdsk/c0t600144F08069703400004E828EE10004d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600144F08069703400004E8183DF0002d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
Total Path Count: 4
Operational Path Count: 4
.
.
.# mpathadm show lu /dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
Logical Unit: /dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
mpath-support: libmpscsi_vhci.so
Vendor: SUN
Product: CSM200_R
Revision: 0660
Name Type: unknown type
Name: 600a0b800026d63a0000a4984e234298
Asymmetric: yes
Current Load Balance: round-robin
Logical Unit Group ID: NA
Auto Failback: on
Auto Probing: NA
Paths:
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Target Port Groups:
ID: 5
Explicit Failover: yes
Access State: active
Target Ports:
Name: 200800a0b826d63b
Relative ID: 0
Name: 200800a0b826d63c
Relative ID: 0
ID: 15
Explicit Failover: yes
Access State: standby
Target Ports:
Name: 200900a0b826d63b
Relative ID: 0
Name: 200900a0b826d63c
Relative ID: 0# mpathadm failover lu /dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
この操作に成功した場合、デバイスのターゲットポートグループのアクセス状態は、論理ユニットのフェイルオーバーの結果、変更されます。
# mpathadm show lu /dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
Logical Unit: /dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
mpath-support: libmpscsi_vhci.so
Vendor: SUN
Product: CSM200_R
Revision: 0660
Name Type: unknown type
Name: 600a0b800026d63a0000a4984e234298
Asymmetric: yes
Current Load Balance: round-robin
Logical Unit Group ID: NA
Auto Failback: on
Auto Probing: NA
Paths:
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Target Port Groups:
ID: 5
Explicit Failover: yes
Access State: standby
Target Ports:
Name: 200800a0b826d63b
Relative ID: 0
Name: 200800a0b826d63c
Relative ID: 0
ID: 15
Explicit Failover: yes
Access State: active
Target Ports:
Name: 200900a0b826d63b
Relative ID: 0
Name: 200900a0b826d63c
Relative ID: 0LU へのパスが無効な場合、enable コマンドによってパスは元の有効な状態に変更されます。イニシエータポート名、ターゲットポート名、および LU を使用して、完全なパス名を指定する必要があります。変更を確認するには、論理ユニットに対して show コマンドを実行します。
# mpathadm list lu
/dev/rdsk/c0t600144F08069703400004E828EE10004d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600144F08069703400004E8183DF0002d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF44E233FCFd0s2
Total Path Count: 4
Operational Path Count: 4
.
.
.# mpathadm show lu
Logical Unit: /dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
mpath-support: libmpscsi_vhci.so
Vendor: SUN
Product: CSM200_R
Revision: 0660
Name Type: unknown type
Name: 600a0b800026d63a0000a4984e234298
Asymmetric: yes
Current Load Balance: round-robin
Logical Unit Group ID: NA
Auto Failback: on
Auto Probing: NA
Paths:
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Target Port Groups:
ID: 5
Explicit Failover: yes
Access State: standby
Target Ports:
Name: 200800a0b826d63b
Relative ID: 0
Name: 200800a0b826d63c
Relative ID: 0
ID: 15
Explicit Failover: yes
Access State: active
Target Ports:
Name: 200900a0b826d63b
Relative ID: 0
Name: 200900a0b826d63c
Relative ID: 0# mpathadm enable path -i 210000e08b841feb -t 200900a0b826d63b \
-l /dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2この操作は LU のパスの動作状態にかかわらず、LU のパスを使用不能にします。
注 - 無効な状態は、リブートの前後で持続しません。次回のブート手順の前にパスが動作中であった場合、パスはデフォルトで有効にされます。指定されたパスが、残っている最後の動作中のパスであるとき、この操作は許可されません。
# mpathadm list lu
/dev/rdsk/c0t600144F08069703400004E828EE10004d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600144F08069703400004E8183DF0002d0s2
Total Path Count: 8
Operational Path Count: 8
/dev/rdsk/c0t600A0B800026D63A0000A4994E2342D4d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF54E234013d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800026D63A0000A4984E234298d0s2
Total Path Count: 4
Operational Path Count: 4
/dev/rdsk/c0t600A0B800029065C00007CF44E233FCFd0s2
Total Path Count: 4
Operational Path Count: 4
.
.
.# mpathadm show lu /dev/rdsk/c0t600A0B800029065C00007CF34E233F89d0s2
Logical Unit: /dev/rdsk/c0t600A0B800029065C00007CF34E233F89d0s2
mpath-support: libmpscsi_vhci.so
Vendor: SUN
Product: CSM200_R
Revision: 0660
Name Type: unknown type
Name: 600a0b800029065c00007cf34e233f89
Asymmetric: yes
Current Load Balance: round-robin
Logical Unit Group ID: NA
Auto Failback: on
Auto Probing: NA
Paths:
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63b
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200800a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 210000e08b841feb
Target Port Name: 200900a0b826d63c
Override Path: NA
Path State: OK
Disabled: no
Target Port Groups:
ID: 8
Explicit Failover: yes
Access State: standby
Target Ports:
Name: 200800a0b826d63b
Relative ID: 0
Name: 200800a0b826d63c
Relative ID: 0
ID: 18
Explicit Failover: yes
Access State: active
Target Ports:
Name: 200900a0b826d63b
Relative ID: 0
Name: 200900a0b826d63c
Relative ID: 0# mpathadm disable path -i 210000e08b841feb -t 200900a0b826d63b \
-l /dev/rdsk/c0t600A0B800029065C00007CF34E233F89d0s2