This Fibre Channel SAN Configuration Guide is updated with each release of the product or when necessary. Monitoring Stratis file systems", Expand section "28. Gathering File System Information, 2.2. This can be a physical disk or you can create a disk image. Integrated Volume Management of Multiple Devices", Collapse section "6.4. port_type = "LPort (private loop)"
Consult your hardware vendor before changing any of the values described in this section, if your system is using multipath software. Usually you have to enable it on the switch (usually goes with an extra license and some $$$). Default for random devices: 16Default for sequential devices: 1. Creating a Memory Copy RAM disk storage object, 9.12. - min-io-timeout timeout Default: the configured value of srp-global itl for this LU category(random/sequential). If you only want or need to see the TCP sockets, you can use the -t (TCP) option to restrict the display to only show TCP sockets. The retry value defaults to 5. FC (Fibre Channel) is a network technology, predominantly used within storage area networks, to provide high-speed, loss-less delivery of raw block data between computer data storage and server devices. Enables dynamic path affinity for this LU, which locks a storage connection to a path for the duration of data transfer to provide faster, more efficient data delivery. DESCRIPTION. Storage Administration", Collapse section "II. Creating an LVM2 logical volume for swap, 14.6. Here explains how to scan and detect the newly added storage luns in Linux. SRP global defaults for LUs of random/sequential access devices. WWN lumber is easy to find in Linux thanks to various methods. Automatically Starting VDO Volumes at System Boot, 30.4.7. Otherwise, use the no form of the command string to disable this feature. Gineesh has worked as a Systems Engineer, Automation Specialist, and author. Checking pNFS SCSI Operations from the Server Using nfsstat, 8.10.6.2. Managing local storage using RHELSystemRoles", Expand section "4. Example Ansible playbook to enable online block discard, 2.7. Enabling multipathing on NVMe devices", Collapse section "18. Overview of available storage options", Expand section "2. It mainly competes with Fibre Channel, but unlike traditional Fibre Channel, which usually requires dedicated cabling, . Using free space from an active partition, 6. We can use lspci command to find the FC HBA adapter details first. AIX, Solaris, Linux, or HPUX): switch# show scsi-target pwwn Related Commands. If you do not restrict access, new SRP initiators can communicate through the FC gateway ports. Phase 2: Effects of I/O Request Size, 31.4.3. Binding/Unbinding an iface to a Portal, 25.17.1. Creating a new NVDIMM namespace in file system DAX mode, 7.8.4. Configuring maximum time for storage error recovery with eh_deadline, 14.3. Allows data to be sent between the initiator and Fibre Channel target using all available ports on the gateway interface. To configure targets, enter the fc srp target command in Global Configuration mode. Online Storage Management", Collapse section "25.8. Using volume_key as an Individual User, 20.3. Oracle Linux: Locating Fibre Channel (FC) HBA Card Physical Slot and Port location in Oracle . Re-configuring a remote diskless system, 20.6. to find the kernel modules for the devices, we can use #lspci -k instead. To deny SAN access to the SRP host, to delete an initiator from the running configuration, or to . Deployment Scenarios", Collapse section "30.5. Removing block devices and associated metadata, 25.5. To disable default LUN masking, use the no form of this command. Limitations of the udev device naming convention, 6.6. Global unique identifier (GUID) of the SRP host. Monitoring NVDIMM Health Using S.M.A.R.T. Storage Considerations During Installation, 12.2. Enable global LUN masking to deny LUN access to new initiators so that they cannot communicate with SAN nodes until you grant them access on an individual basis. Configuring maximum time for storage error recovery with eh_deadline", Expand section "14. Print Results. Device path = "/sys/devices/pci0000:00/0000:00:01.0/0000:07:00.0/host3"
In addition, two Fibre Channel ELS requests are generated. Transport configuration in /sys/class/fc_transport/targetH:B:T/, Remote port configuration in /sys/class/fc_remote_ports/rport-H:B-R/. The DM Multipath fast_io_fail_tmo option takes precedence over replacement_timeout. Using the mount Command", Collapse section "19. fc srp it guid extension wwpn {description "descr" | discover-itl | gateway-portmask-policy {default | test-mode | restricted port-selection}}, no fc srp it guid extension wwpn [test-mode | gateway-portmask-policy restricted port-selection]. discover-itl. Note You cannot configure an active IT to test mode. Creating an unencrypted Stratis pool, 25.7. Creating a device DAX namespace on an NVDIMM, 7.7.1. Displaying information about Stratis volumes, 28. The following example denies port access to all new ITLs. File System Structure and Maintenance", Collapse section "2. fc srp initiator-wwpn 00:00:2c:90:01:1b:b7:50 00:00:00:00:00:00:00:00 Creating a new NVDIMM namespace in sector mode, 7.7. Extending swap on an LVM2 logical volume, 14.4. Default: An ITL entry inherits its gateway-portmask-policy configuration from its IT entry at entry creation time. Creating Initial Snapper Configuration, 14.2.1. The timeout defaults to 10 seconds. Recovering a VDO Volume After an Unclean Shutdown", Expand section "30.4.8. Setting Read-only Permissions for root", Expand section "20. . Releasing the pNFS SCSI Reservation on the Server, 8.10.6. (Optional) Port, list of ports, or range of ports to which you grant or deny the initiator access. Creating a Snapper Snapshot", Collapse section "14.2. Using snapshots on Stratis file systems", Collapse section "28. Configuring a Fibre Channel over Ethernet Interface, 25.6. The /etc/exports Configuration File, 8.6.4. The max payload for fcping is 2108 bytes. fc srp-global itl [sequential] {dynamic-gateway-port-failover | dynamic-gateway-port-loadbalancing | dynamic-path-affinity | io-hi-mark mark | max-retry retry | min-io-timeout timeout}, no fc srp-global itl [sequential] {dynamic-gateway-port-failover | dynamic-gateway-port-loadbalancing | dynamic-path-affinity | io-hi-mark | max-retry | min-io-timeout}. Fibre channel port name is the name of the physical fibre channel port. Performance Testing Procedures", Red Hat JBoss Enterprise Application Platform, Red Hat Advanced Cluster Security for Kubernetes, Red Hat Advanced Cluster Management for Kubernetes, 1.1. Configuring maximum time for storage error recovery with eh_deadline", Collapse section "13. 7/1 ? Managing Disk Quotas", Expand section "18. LU identifier in 64-byte, hexadecimal format without colons (see example). Replacing Failed Devices on a btrfs File System, 6.4.7. Managing system upgrades with snapshots", Expand section "16. Tracking Changes Between Snapper Snapshots", Collapse section "15.1. A SOSreport can be gathered using the following command (run as root): # sosreport. Checking a File System's Consistency, 17.1.3. The value, an integer, must fall between 1 and 100. after the wwnn keyword, the CLI provides a recommended WWNN value. 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. Monitoring pNFS SCSI Layouts Functionality", Collapse section "8.10.6. Configuring Disk Quotas", Expand section "17.2. Use test mode as you set up your Fibre Channel connections, then use the no form of the command to return to normal mode. Setting up a Remote Diskless System", Expand section "25. Use modinfo command to get the version details sg_reset command in linux. 7/1 20:03:00:05:ad:70:00:02, fc srp it 00:00:2c:90:01:1b:b7:40 00:00:00:00:00:00:00:00 Setting up a remote diskless system", Collapse section "20. When you enter a question mark (?) Accessing the content of a Stratis snapshot, 28.4. Here is a solution to scan new disk or Luns assigned to the server. Mounting a File System", Expand section "19.2.5. fc srp itlshow fc srp initiatorshow interface fcshow fc srp-globalshow fc srp lu. 28.5.2. 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 fc srp itlshow interface fcshow fc srp initiator. Grants the initiator access to the storage. Troubleshooting NVDIMM", Expand section "29. The post discusses few of the most commonly used methods. Attributes with Fibre Channel adapter hardware information; Attribute Explanation; card_version: Version number that identifies a particular hardware feature. Storage I/O Alignment and Size", Expand section "24. 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 . If you enable this policy, you implicitly disable port load balancing and dynamic path affinity. Fibre Channel (FC) Host Bus Adapters(HBA) are interface cards that connects the host system to a fibre channel network or devices. Limitations of the udev Device Naming Convention, 25.8.3.2. Sets the maximum number of I/O requests that can be sent per logical unit. . show cfs . Creates the initiator entry in the configuration file and assigns a manually-entered WWNN to the initiator. Configuring an LVM pool with RAID using the storage RHELSystemRole, 2.14. fc srp-global gateway-portmask-policy restricted. The exportfs Command", Expand section "8.6.3. The fcping command performs the Fibre Channel FC-LS-2 ECHO ELS command and displays the reply. Allows the controller to select an alternate gateway interface port if the primary path fails. /lib/modules/2.6.18-308.el5PAE/modules.pcimap:qla2xxx 0x00001077 0x00002532 0xffffffff 0xffffffff 0x00000000 0x00000000 0x0, qla2xxx 1205905 0
The following examples show the most common administration operations that can be . To view your default policy, enter the show fc srp-global command (in User Exec mode or Privileged Exec mode) and view the default-gateway-portmask-policy field. filled with zeros. Resizing Fibre Channel Logical Units, 11.2. For the following settings, the LU entry gets the default from srp-global settings at entry creation time depending on the LU category. Device names managed by the udev mechanism in /dev/disk/, 6.4. The files are not available during the booting a remote diskless system, 20.6.3. Default for random devices: 10Default for sequential devices: 60. LnkCap: Port #0, Speed 5GT/s, Width x8 node_name = "0x50014380281412e9"
Online Storage Management", Collapse section "25. Sorted by: 42. Denies the initiator access to select ports or LUNs for the ITL. Creating and Maintaining Snapshots with Snapper", Collapse section "14. Before you begin. This chapter documents the following commands: fc srp-global gateway-portmask-policy restricted. Setting up the Challenge-Handshake Authentication Protocol for the initiator, 10.3. Switching tape head in tape devices, 24.2. Line 1 : Thru host 0 channel 0 target 0 Line 2 : Thru host 0 channel 0 target 1 Line 3 : Thru host 2 channel 0 target 0 Line 4 . Configuring NVMe over fabrics using NVMe/FC", Expand section "18. Disadvantages of non-persistent naming attributes, 6.3. Creating a Post Snapshot with Snapper, 14.2.1.3. If you enable this policy, you implicitly disable port failover and port loadbalancing. However, a port is accessible for an ITL only when the port is accessible for both the IT and ITL entries. NFS Security with AUTH_SYS and Export Controls, 8.10.2. Chapter: Fibre Channel Show Commands . Configuring an iface for Software iSCSI, 25.14.3. Configuring a tftp Service for Diskless Clients, 24.2. Using the Cache with NFS", Collapse section "10.3. Strategies for repartitioning a disk", Expand section "5.3. External Array Management (libStorageMgmt)", Expand section "28. The most common issues with loading a remote diskless system", Expand section "22. # lspci | grep "Fibre Channel" 07:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02) 0a:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev . File System-Specific Information for fsck, 13.2.1. Troubleshooting Online Storage Configuration, 25.22. 1. File System Structure and Maintenance", Expand section "2.1. fc srp target wwpn {description desc | ioc-guid guid}, no fc srp target wwpn [description | service-name]. Configuring an iSCSI target", Collapse section "9. A Red Hat training course is available for Red Hat Enterprise Linux, Table25.1. The value, an integer, must fall between 1 and 100. Performance Testing Procedures", Collapse section "31.4. (Optional) Configures the service name of the target to an empty string. Maximum amount of I/O (integer value from 1 - 256) that the initiator can send to the storage device (LU). You're using the wrong distro then, it's in rhel/centos 7. RedHat EnterpriseLinux 8 provides the following native Fibre Channel drivers: As a system administrator, you can resize Fibre Channel logical units. $ cat /etc/redhat-release Enterprise Linux Enterprise Linux AS release 3 (Update 9) $ cat /proc/scsi/qla2300/1 QLogic PCI to Fibre Channel Host Adapter for QLA2460: Firmware version: 4.00.23, Driver version 7.07.05 Entry address = f888d060 Request Queue = 0x37280000, Response Queue = 0x37270000 Request Queue count= 512, Response Queue count= 512 Total number of active commands = 2 Total number . If you don't see any output for lsmod command then you can load the module using modprobe command, You can find detailed information about the fibre channel adapters in the location /sys/class/fc_host/. Example Ansible playbook to express pool volume sizes as percentage using the storage RHELSystemRole, 3.2. Detecting and replacing a broken NVDIMM device, 9.7. This example denies the initiator access to port 1 of Fibre Channel interface card 6 for this ITL. no fc srp-global gateway-portmask-policy restricted. Unrestricted read-write user, Fibre Channel read-write user. See Investigating IBM Fibre Channel Endpoint Security. Creating a sector namespace on an NVDIMM to act as a block device", Expand section "7.7. Table3-2 provides usage guidelines for this command. system_hostname = ""
Using Compression", Collapse section "30.4.8. Thanks10:00.0 Fibre Channel: Emulex Corporation Lancer-X: LightPulse Fibre Channel Host Adapter (rev 30) Server Message Block (SMB)", Collapse section "9. Redundant Array of Independent Disks (RAID)", Collapse section "18. This value defaults to 5. The controller attempts to distribute traffic equally between the ports. NVMe over fabrics using RDMA", Expand section "29.2. Starting and Stopping the NFS Server, 8.6.1. Creates virtual ports for this initiator on every possible physical FC gateway port on your Server Switch. Subsystem: Hewlett-Packard Company Device 338e Example Ansible playbook to manage logical volumes, 2.6. Note : Command outputs examples are not cordinated, from different systems are used just for illustration. Creating a new NVDIMM namespace in device DAX mode, 7.8. Data Efficiency Testing Procedures", Collapse section "31.3. Device = "host4", Class = "fc_host"
Your Server Switch assigns an internally-generated WWPN to each virtual port. Using Fibre Channel devices" 11.1. Setting up the Challenge-Handshake Authentication Protocol for the target, 9.13. Changing the Read/Write State of an Online Logical Unit, 25.17.4.2. Modifying Persistent Naming Attributes, 25.10. By default, the fc srp-global itl command configures ITLs for random (non-sequential) targets. DM Multipath overrides of the device timeout 12. Using the Cache with NFS", Expand section "II. Discovers initiator-target-LUN (ITL) combinations and adds them to your configuration file. Controlling the SCSI Command Timer and Device Status, 25.21. World-wide port name (WWPN) of the target port to add to the LU target list. The World Wide Identifier with DM Multipath, 6.5. Configuring Snapper to Take Automated Snapshots, 14.3. Reconfiguring an existing NVDIMM namespace to sector mode, 7.6.2. 21:00:00:04:cf:75:6b:3b 00:00:00:00:00:00:00:00 gateway-portmask-policy restricted 6/1, fc srp itl 00:02:c9:01:07:fc:64:a0 00:00:00:00:00:00:00:00 bs=1 seek=10M count=1. Denies the ITL access to the ports that you specify with the port-selection variable. This command has no arguments or keywords. Displaying Fibre Channel Devices. Crypt Back End", Collapse section "16.2. with a source and a destination, the command performs a zoning check between the two ports. Comparing Changes with the status Command, 14.3.2. Linux allows us to obtain a variety of information about HBA and WWN. Default for random devices: true Default for sequential devices: false. The ext3 File System", Collapse section "5. by admin. World-wide port name (WWPN) of the target port of the FC storage device. FHS Organization", Collapse section "3. All rights reserved. Use the no form of this command with the gateway-portmask-policy keyword to grant an initiator access to the ports you specify. The fast_io_fail_tmo option in DM Multipath also overrides the fast_io_fail_tmo option in Fibre Channel devices. Server Message Block (SMB)", Expand section "9.2. Reconfiguring an existing NVDIMM namespace to device DAX mode, 7.7.3. NVDIMM in file system direct access mode, 7.8.2. Download and install your kernel source and link the /usr/src/linux: cd /usr/src apt-get install linux-source-2.6 tar xjf linux-source-2.6.32.tar.bz2 ln -s /usr/src/linux-source-2.6.32 Linux. Enter the fcsrp-global itl command with this keyword and the desired max-retry value to set this feature. Overview of persistent naming attributes, 6.1. Mounting an SMB Share", Expand section "9.2.1. 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 . Registering a btrfs File System in /etc/fstab, 8.2.1. (Optional) Designates the physical FC gateway ports that the initiator can use to access the storage port. To delete a target from the running configuration, use the no form of this command. Strategies for repartitioning a disk", Collapse section "5. The most common issues with loading a remote diskless system, 20.6.1. Viewing Available iface Configurations, 25.14.2. Administering VDO", Expand section "30.4.3. See Discover LUNs in the Fibre Channel storage area network . You can add at most eight targets to a LU one at a time. To display Cisco Fabric Services (CFS) information, use the show cfs command.. show cfs {application [name app-name] | lock [name app-name [vsan vsan-id]] | merge status [name app-name [vsan vsan-id]] | peers [name app-name [vsan vsan-id]] | regions . Backing up ext2, ext3, or ext4 File Systems, 5.5. Storage Administration", Expand section "11. Integer value from 1 - 1800. 05:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02) fc srp itl guid extension wwpn LUN gateway-portmask-policy restricted port-selection. Test Environment Preparations", Expand section "31.3. Increase the value if heavy traffic runs, or increase the min-io-timeout value. Configures the SRP host to boot from a Fibre Channel logical unit (LU). Encrypting a blank block device using LUKS2, 22.7. uevent =
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