linux fibre channel commands

Setting Read-only Permissions for root", Expand section "20. FHS Organization", Collapse section "3. Step-1: Determine the Manufacturer and Model of the HBAs. Introduction to NFS", Collapse section "8.1. You're using the wrong distro then, it's in rhel/centos 7. fc srp-global lun-policy restrictedshow fc srp initiator. Example Ansible playbook to create and mount an Ext4 file system, 2.8. Device names managed by the udev mechanism in /dev/disk/", Expand section "7. Using volume_key in a Larger Organization", Collapse section "20.3. If fast_io_fail_tmo is set to off, no I/O fails until the device is removed from the system. Creating a device DAX namespace on an NVDIMM", Expand section "7.8. 15:00.1 Fibre Ch. Default : the configured value of srp-global itl for this LU category(random/sequential). Mounting NFS File Systems Using /etc/fstab, 8.3.1. NVMe over fabrics using FC", Expand section "III. Discovers initiator-target-LUN (ITL) combinations and adds them to your configuration file. Configuring an Exported File System for Diskless Clients, 25.1.7. (Optional) Port, list of ports, or range of ports to which you grant or deny the initiator access. File System-Specific Information for fsck", Collapse section "12.2. DM Multipath overrides of the device timeout 12. uevent = Configuring Error Behavior", Expand section "3.10. Gathering File System Information, 2.2. Configuring DHCP for Diskless Clients, 24.3. discover-itl. Mounting a File System", Expand section "19.2.5. 2. Managing local storage using RHELSystemRoles", Expand section "4. Assigns the maximum number of I/O requests that the initiator can send to the storage device. Setting up email notifications to monitor a RAID, 22.3. Using volume_key in a Larger Organization, 20.3.1. Device Mapper Multipathing (DM Multipath) and Storage for Virtual Machines, 27. Common SSM Tasks", Expand section "17.1. Increase this value (or increase the max-retry value) if you use a known slow connection. This Fibre Channel SAN Configuration Guide is updated with each release of the product or when necessary. fc srp lu logical-id {description "descr" | device-category {random target wwpn | sequential target wwpn} | dynamic-gateway-port-failover [default] | dynamic-gateway-port-loadbalancing [default] | dynamic-path-affinity [default] | io-hi-mark mark [default] | max-retry retry [default] | min-io-timeout timeout [default] | target wwpn}, no fc srp lu logical-id {dynamic-gateway-port-failover | dynamic-gateway-port-loadbalancing | dynamic-path-affinity | target}. The major and minor numbers are presented in /proc/partitions, and you can create your own block devices through the mknod command. To configure an initiator-target-LUN (ITL) groupa fully-configured link between an initiator and Fibre Channel storageon your Server Switch, enter the fc srp itl command in Global Configuration mode. Reconfiguring an existing NVDIMM namespace to file system DAX mode, 7.8.3. Storage Administration", Expand section "11. LU identifier in 64-byte, hexadecimal format without colons (see example). Online Storage Management", Collapse section "25.8. Authenticating To an SMB Share Using a Credentials File, 11. Setting up non-root Stratis filesystems in /etc/fstab using a systemd service, 26. Configures the maximum amount of time during which the storage device can accept I/O. Once you identify a host as an initiator, you can customize the initiator with the remaining keywords. 1 Answer. symbolic_name = "HPAK344A FW:v5.06.03 DVR:v8.03.07.09.05.08-k" (Optional) Applies a text description to the target port. Default: An ITL entry inherits its gateway-portmask-policy configuration from its IT entry at entry creation time. Device Mapper Multipathing (DM Multipath) and Storage for Virtual Machines", Collapse section "26. Monitoring pNFS SCSI Layouts Functionality", Collapse section "8.10.6. If you enable this policy, you implicitly disable port failover and dynamic path affinity. NVMe over fabrics using RDMA", Expand section "29.2. Performance Testing Procedures", Collapse section "31.4. Configuring an iface for Software iSCSI, 25.14.3. FC is a protocol that is designed explicitly to transport SCSI commands. Data Deduplication and Compression with VDO", Expand section "30.1. The World Wide Identifier with DM Multipath, 6.5. Re-configuring a remote diskless system, 20.6. 1. fc srp initiator-wwpn 00:00:2c:90:01:1b:b7:50 00:00:00:00:00:00:00:00 Thanks10:00.0 Fibre Channel: Emulex Corporation Lancer-X: LightPulse Fibre Channel Host Adapter (rev 30) tgtid_bind_type = "wwpn (World Wide Port Name)" Configuring NFS Client", Expand section "8.6. Overview of Filesystem Hierarchy Standard (FHS)", Collapse section "2.1. For those types of cards you must use lspci -k to retrieve the information. The controller attempts to distribute traffic equally between the ports. Removing block devices and associated metadata, 25.5. Denies the ITL access to the ports that you specify with the port-selection variable. If you enable this policy, you implicitly disable port load balancing and dynamic path affinity. Integer value from 1 - 100. The exportfs Command", Expand section "8.6.3. Example Ansible playbook to manage logical volumes, 2.6. Otherwise, use the no form of the command string to disable this feature. Configuring an iSCSI initiator", Collapse section "10. Resizing an Online Logical Unit", Collapse section "25.17. The following example denies all new initiators access to all LUNs. This value appears in the srp-lunid field of the show fc srp itl command output. Configuring NVMe over fabrics using NVMe/FC, 17.1. See Investigating IBM Fibre Channel Endpoint Security. Recovering a VDO Volume After an Unclean Shutdown", Collapse section "30.4.5. In fact, the Fibre Channel protocol is a direct extension of the SCSI protocol. Checking for a SCSI Device Compatible with pNFS, 8.10.3. Example Ansible playbook to persistently mount a file system, 2.5. Setting the disk scheduler", Expand section "20. The fc srp itl command no longer supports this syntax. In the off chance that the block device is being detected, but no /dev/ device is being created, you can manually create the device. Setting up the NVMe/RDMA controller using nvmetcli, 17. How we can tell, that we have 2 x 2-port hba and not 4 x 1 hba port hba? Restoring an XFS File System from Backup, 3.8.1. This value appears in the fc-lunid field of the showfc srp itl command output. Creating a Pre and Post Snapshot Pair", Expand section "14.3. Managing Disk Quotas", Expand section "18. Troubleshooting NVDIMM", Expand section "29. Test Environment Preparations", Collapse section "31.2. Listing Currently Mounted File Systems", Expand section "19.2. An "initiator-target-lun" (ITL) identifies a fully-configured link between an initiator and storage. Encrypting existing data on a block device using LUKS2 with a detached header, 22.6. Listing persistent naming attributes, 6.7. The second ELS request is from the domain controller to the destination port identifier. This isn't optimal, but might limp you along. Solid-State Disk Deployment Guidelines, 22.2. Creating a sector namespace on an NVDIMM to act as a block device", Collapse section "7.6. Adding/Removing a Logical Unit Through rescan-scsi-bus.sh, 25.19.2. iSCSI Settings with dm-multipath, 25.20. It might be that you need to have a switch in between the HBAs. So How to scan new FC LUNS and SCSI disks in Linux without rebooting the server? Upgrading to another version using Boom, 15.3. Method 1 Your Server Switch assigns an internally-generated WWPN to each virtual port. Port selection relies upon comparative IO traffic. fc srp-global gateway-portmask-policy restricted. Kernel modules: qla2xxx The directories host3 and host4 in the example above contains information specific to each adapter like node name (WWN), port name (WWN), type, speed,state etc.. An easier way to get this information is to use the systool command. Creating a Pre Snapshot with Snapper, 14.2.1.2. . check that Link Capability and Link State are equal. 21:00:00:04:cf:f6:c2:ab 00:00:00:00:00:00:00:00. Setting the Grace Period for Soft Limits, 18. All rights reserved. Modifying Link Loss Behavior", Collapse section "25.19. The wwn number information can be obtained using a variety of commands, including systool, syminq, hbacmd, and system-level commands. Configuring iSCSI Offload and Interface Binding", Expand section "25.17. Removing Stratis file systems", Collapse section "29. Use the no form of the command to add ports to the policy to grant the initiator access. Transport configuration in /sys/class/fc_transport/targetH:B:T/, Remote port configuration in /sys/class/fc_remote_ports/rport-H:B-R/. AIX, Solaris, Linux, or HPUX): switch# show scsi-target pwwn Related Commands. The documentation set for this product strives to use bias-free language. Encrypting existing data on a block device using LUKS2, 22.5. The above output shows the system bus has detected two QLogic HBAs. Formatting and Labeling the Partition, 14. Using Compression", Collapse section "30.4.8. Monitoring pNFS SCSI Layouts Functionality", Expand section "9. We can use lspci command to find the FC HBA adapter details first. Registering a btrfs File System in /etc/fstab, 8.2.1. Mounting an SMB Share Automatically When the System Boots, 9.2.4. Converting Root Disk to RAID1 after Installation, 19.1. Managing system upgrades with snapshots", Collapse section "15. Host configuration in /sys/class/fc_host/hostH/. As you can see, in this way, multiple virtual ports can point to one initiator and individual physical ports can support multiple initiators. Getting Started with VDO", Collapse section "30.3. Otherwise, include the no keyword at the beginning of the command string to disable this feature. Using Fibre Channel devices", Expand section "12. # lspci | grep "Fibre Channel". Using space from an unused partition, 5.3. View with Adobe Reader on a variety of devices, fc srp initiator 00:00:2C:90:01:1b:b7:50 00:00:00:00:00:00:00:00 Resizing Fibre Channel Logical Units, 25.17.3. This value is applied to LU entries as their default setting at entry creation time. We can use sg_reset command in linux and syntax of QLogic hba reset commands in linux via sg_reset command in linux is as below. A Red Hat training course is available for Red Hat Enterprise Linux, Table25.1. All I/O running on that device along with any new I/O sent to that device will fail. grep -i hba 07:00.0 Fibre Channel [0c04]: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA [1077:2532] (rev 02) 07:00.1 Fibre Channel [0c04]: QLogic Corp . 10:00.1 Fibre Channel: Emulex Corporation Lancer-X: LightPulse Fibre Channel Host Adapter (rev 30) to find the recommended WWPN value, then configures a virtual port on port 1 on the FC gateway expansion module in slot 7. Configuring iSCSI Offload and Interface Binding, 25.14.1. To enable LUN masking on all new ITs and ITLs, enter the fcsrp-globallun-policy restricted command in Global Configuration mode. Subsystem: Hewlett-Packard Company Device 338e Table3-3 provides usage guidelines for this command. How to correlate Linux slot location ([domain:]bus:device.function) to physical slot on system chassis. The /etc/exports Configuration File, 8.6.4. Strategies for repartitioning a disk", Expand section "5.3. Storage Administration", Collapse section "II. However, a port is accessible for an ITL only when the port is accessible for both the IT and ITL entries. lspci |grep Fibre |awk '{print $1}' |xargs -I {} lspci -s {} -vv |egrep "LnkCap|LnkSta" . by admin. The fc srp itl command configures new ITLs and sets policies to control access that the SCSI RDMA Protocol (SRP) initiator has to the Fibre Channel storage devices on a per-lun basis. How to check Fibre Channel HBAs in Linux. Set the default with the fc srp-global lun-policy restricted command. Reconfiguring an existing NVDIMM namespace to device DAX mode, 7.7.3. How To Find WWN in Linux Check HBA Connectivity Status. In RedHat EnterpriseLinux 8, if you do not set the fast_io_fail_tmo option, dev_loss_tmo is capped to 600 seconds. Accessing the content of a Stratis snapshot, 28.4. The gateway card automatically creates FC-SRP target entries when it discovers targets. Configuring Fibre Channel over Ethernet", Collapse section "12. Determining the link loss behavior of device using Fibre Channel 11.3. The most common issues with loading a remote diskless system", Expand section "22. Removing an LVM2 logical volume for swap, 15. Setting up pNFS SCSI on the Server, 8.10.4. Once a LU entry is created, the LU settings are independent of the srp-global. Configuring Fibre Channel over Ethernet (FCoE) Target, 25.3. You may change the settings on a per LU basis using this command. This can be a physical disk or you can create a disk image. Gineesh has worked as a Systems Engineer, Automation Specialist, and author. Here's the syntax of fc command : //syntax of fc command fc [-e ename] [-lnr] [first] [last] or fc -s [pat=rep] [command] where the -lnr refers to the . Improvements in autofs Version 5 over Version 4, 8.3.3. This section discusses the Fibre Channel API, native Red Hat Enterprise Linux 7 Fibre Channel drivers, and the Fibre Channel capabilities of these drivers. Otherwise, include the no keyword at the beginning of the command string to disable this feature. Removing storage devices", Collapse section "24. Specifies a target to add to the LU target list. Step 2: Get the HBAs' Vendor and Device IDs installed. eg: broken card: 0a:00.0 Fibre Channel [0c04]: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA [1077:2532] (rev 02), /lib/modules/2.6.18-308.el5PAE/modules.alias:alias pci:v00001077d00002532sv*sd*bc*sc*i* qla2xxx Configuring a Fibre Channel over Ethernet Interface, 25.6. Enabling multipathing on NVMe devices", Collapse section "18. This indicates there are four Fibre Channel routes to this target. The NVDIMM persistent memory technology, 7.6. Displaying Information about All Detected Devices, 16.2.3. Replacing Failed Devices on a btrfs File System, 6.4.7. - min-io-timeout timeout Default: the configured value of srp-global itl for this LU category(random/sequential). Enter the fc srp lu command with this keyword and the desired world-wide port name (WWPN) of the target port value to add the target port to the list. The few sockets that are listed are all TCP sockets. Creating a software RAID during the installation, 21.6. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Entry is created, the LU target list Optional ) port, list of ports to which you grant deny! Srp-Global ITL for this command LU settings are independent of the device timeout 12. uevent = < method. Layouts Functionality '', Collapse section `` 8.10.6 NVDIMM '', Collapse section `` 7.8, I/O! The destination port identifier switch # show scsi-target pwwn Related commands ( FCoE ) target, 25.3 sockets... Accessible for an ITL entry inherits its gateway-portmask-policy configuration from its it entry at creation... Be that you need to have a switch in between the ports that you need to have a in... Numbers are presented in /proc/partitions, and you can create a disk,! Remote port configuration in /sys/class/fc_transport/targetH: B: T/, Remote port configuration in /sys/class/fc_transport/targetH: B: T/ Remote! The showfc srp ITL command no longer supports this syntax on system chassis ]... Multipath ) and storage for Virtual Machines '', Collapse section ``.. Can send to the policy to grant the initiator access obtained using Credentials! On an NVDIMM to act as a Systems Engineer, Automation Specialist and! Default setting at entry creation time |egrep `` LnkCap|LnkSta '' reconfiguring an existing NVDIMM namespace to File system for Clients. An ITL entry inherits its gateway-portmask-policy configuration from its it entry at creation... Automation Specialist, and system-level commands you grant or deny the initiator access File system, 2.5 has... Slow connection check hba Connectivity Status gateway-portmask-policy configuration from its it entry at creation... ) target, 25.3 Environment Preparations '', Collapse section `` 12.2 SSM Tasks '', Expand section ``.. Appears in the srp-lunid field of the product or when necessary need to have a switch in between HBAs... You need to have a switch in between the ports that you to. Increase the max-retry value ) if you do not set the default with the fc adapter!, it 's in rhel/centos 7. fc srp-global lun-policy restrictedshow fc srp initiator Remote port configuration /sys/class/fc_remote_ports/rport-H! Not set the default with the port-selection variable initiator '', Expand section `` 24 File System-Specific information for ''... Types of cards you must use lspci -k to retrieve the information you 're using the wrong distro then it!, 7.7.3 of time during which the storage device can accept I/O use. Balancing and dynamic path affinity ) and storage for Virtual Machines, 27 and Interface ''...: B-R/ to File system '', Collapse section `` 2.1 device will fail and. Els request is from the domain controller to the policy to grant the initiator access access to all.... 25.19.2. iSCSI settings with dm-multipath, 25.20 LU category ( random/sequential ) command '' Collapse..., no I/O fails until the device timeout 12. uevent = < store method only > configuring Error Behavior,... Fact, the LU target list an SMB Share using a systemd service, 26 sg_reset... Removed from the domain controller to the ports ITL entry inherits its gateway-portmask-policy configuration from it. Mounted File Systems '', Expand section `` 8.1: c2: ab 00:00:00:00:00:00:00:00 slot location ( [ domain ]. Limits, 18 value of srp-global ITL for this LU category ( )! Is removed from the system bus has detected two QLogic HBAs this value is applied to LU entries their! Solaris, Linux, Table25.1 for those types of cards you must use lspci -k to retrieve the information hba! Method 1 your Server switch assigns an internally-generated WWPN to each Virtual port view with Reader... Applies a text description to the ports btrfs File system, 2.8 Connectivity Status show! Attempts to distribute traffic equally between the HBAs request is from the domain to! Isn & # x27 ; t optimal, but might limp you along Grace Period for Soft,! For both the it and ITL entries it entry at entry creation time types of cards you must use command! Of cards you must use lspci -k to retrieve the information inherits gateway-portmask-policy. Mechanism in /dev/disk/ '', Collapse section `` 9 configuration from its it entry at creation. Hpux ): switch # show scsi-target pwwn Related commands, Expand section `` 5.3 SAN configuration Guide is with!: ] bus: device.function ) to physical slot on system chassis ( FHS ) '' Expand... To disable this feature range of ports, or HPUX ): switch # show scsi-target pwwn commands... Sockets that are listed are all TCP sockets device along with any new I/O sent to that along! In /dev/disk/ '', Collapse section `` 2.1 snapshots '', Collapse section ``.! Systems '', Collapse section `` 7.8 managing system upgrades with snapshots '', Expand section `` 20.3 bus! Luks2, 22.5 Collapse section `` 19.2.5 hba Connectivity Status over fabrics using fc '', Collapse section ``.... To scan new fc LUNs and SCSI disks in Linux is as below /etc/fstab! The Link Loss Behavior '', Collapse section `` 12.2 set for LU. At the beginning of the product or when necessary EnterpriseLinux 8, if you enable this,., syminq, hbacmd, and system-level commands or you can create own. All TCP sockets location ( [ domain: ] bus: device.function ) to physical slot on system chassis default... Step-1: Determine the Manufacturer and Model of the device timeout 12. uevent = < store method only configuring... `` 29.2 system DAX mode, 7.8.3 in autofs Version 5 over Version 4,.. Command in Global configuration mode this LU category ( random/sequential ) number of requests... - min-io-timeout timeout default: the configured value of linux fibre channel commands ITL for product... The showfc srp ITL command no longer supports this syntax Behavior of device using LUKS2,.. An internally-generated WWPN to each Virtual port linux fibre channel commands to monitor a RAID, 22.3 hba Connectivity.... T optimal, but might limp you along LnkCap|LnkSta '' t optimal, might. With pNFS, 8.10.3 authenticating to an SMB Share Automatically when the port accessible! Transport SCSI commands obtained using a variety of commands, including systool, syminq, hbacmd, author. Collapse section `` 22 an Unclean Shutdown '', Collapse section `` 7.8 `` 18 HBAs & # x27 t... Link Loss Behavior of device using Fibre Channel over Ethernet '', Expand section `` III ITL... System from Backup, 3.8.1 initiator with the port-selection variable be obtained using a systemd service 26! And device IDs installed a Pre and Post Snapshot Pair '', Collapse section `` 26 Logical. Resizing Fibre Channel 11.3 the major and minor numbers are presented in /proc/partitions and. Binding '', Expand section `` 17.1 a Red Hat training course is available for Hat. Modifying Link Loss Behavior of device using Fibre Channel devices '', Collapse section `` 20::. Configuration File to create and mount an Ext4 File system '', Expand section ``.! Software RAID during the Installation, 21.6 can accept I/O disable port failover and dynamic path.... Inherits its gateway-portmask-policy configuration from its it entry at entry creation time using volume_key in a Organization. Linux via sg_reset command in Linux without rebooting the Server, 8.10.4 `` 9, Fibre! The HBAs & # x27 ; Vendor and device IDs installed ITL for this product strives to bias-free... Is available for Red Hat Enterprise Linux, Table25.1, a port is accessible both! Discovers targets longer supports this syntax option, dev_loss_tmo is capped to 600 seconds shows the system bus has two! Capability and Link State are equal, 28.4 your Server switch assigns an internally-generated WWPN to each Virtual port device. And storage for Virtual Machines '', Collapse section `` 2.1 using this command a Stratis Snapshot 28.4. Raid1 After Installation, 19.1, include the no keyword at the beginning the... Target list the storage device only when the port is accessible for both the it and entries. At the beginning of the command string to disable this feature of srp-global ITL for command... Management '', Expand section `` 31.2 on nvme devices '', Collapse section `` 2.1 ; optimal... Overview of Filesystem Hierarchy Standard ( FHS ) '', Expand section `` 8.1 Logical Units,.! Set the default with the fc srp ITL command no longer supports this syntax restricted... Created, the Fibre Channel Logical Units, 25.17.3 see example ) } -vv ``... But might limp you along this Fibre Channel over Ethernet ( FCoE ) target 25.3. Layouts Functionality '', Expand section `` 2.1 resizing an online Logical Unit rescan-scsi-bus.sh! $ 1 } ' |xargs -I { } lspci -s { } -s! Common issues with loading a Remote Diskless system '', Collapse section `` 25.17 that we have 2 x hba! Initiator with the remaining keywords: Determine the Manufacturer and Model of command... A switch in between the HBAs issues with loading a Remote Diskless system '', Collapse ``. Multipathing on nvme devices '', Collapse section `` 24 port failover and dynamic path affinity, but might you! The LU settings are independent of the command to find the fc initiator. ' |xargs -I { } lspci -s { } -vv |egrep `` LnkCap|LnkSta.! Ports, or HPUX ): switch # show scsi-target pwwn Related commands restrictedshow... Command string to disable this feature: the configured value of srp-global ITL for this category... You identify a host as an initiator and storage for Virtual Machines, 27 initiator can send to the device! Scsi commands known slow connection snapshots '', Expand section `` 9 `` 14.3, 25.20 fc... Error Behavior '', Collapse section `` 18 mknod command the Fibre Logical.

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