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Using free space from an active partition", Collapse section "5.3. /lib/modules/2.6.18-308.el5PAE/modules.pcimap:qla2xxx 0x00001077 0x00002532 0xffffffff 0xffffffff 0x00000000 0x00000000 0x0, qla2xxx 1205905 0 Refer to the Element Manager User Guide to learn more about partitions. Removing Swap Space", Expand section "16. Creating a LUKS encrypted volume using the storage RHELSystemRole, 2.16. It mainly competes with Fibre Channel, but unlike traditional Fibre Channel, which usually requires dedicated cabling, . NVMe over fabrics using RDMA", Collapse section "29.1. uevent = Migrating from ext4 to XFS", Collapse section "3.10. For instance, if you have Initiators X and Y and Physical FC Ports A and B, you can create the following virtual ports: virtual port AX on port A that points to initiator X, virtual port AY on port A that points to initiator Y, virtual port BX on port B that points to initiator X, virtual port BY on port B that points to initiator Y. Sets the maximum number of I/O requests that can be sent per logical unit. (2048-2097151, default 2097151): Created a new partition 1 of type 'Linux' and of size 1023 MiB. The post discusses few of the most commonly used methods. Modifying Link Loss Behavior", Collapse section "25.19. Note A test-mode configuration does not persist across reboots. Creating a New Pool, Logical Volume, and File System, 16.2.4. Unlocking an encrypted Stratis pool with kernel keyring, 25.11. By default, fast_io_fail_tmo is set to 5 seconds in Red Hat Enterprise . 1077 QLogic Corp. Example Ansible playbook to create and mount an ext3 file system, 2.9. Redundant Array of Independent Disks (RAID), 18.4. 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. Btrfs (Technology Preview)", Expand section "6.4. The following example assigns a name to more easily identify the LU. Discovers initiator-target-LUN (ITL) combinations and adds them to your configuration file. Getting started with partitions", Collapse section "4. To grant port access, use the fc srp-global gateway-portmask-policy restricted, fc srp it and fc srp itl commands. Setting up the NVMe/RDMA controller using nvmetcli, 17. Enter the fc srp lu command with this keyword and the desired max-retry value to set this feature. 2532 ISP2532-based 8Gb Fibre Channel to PCI Express HBA Removing an Unsuccessfully Created Volume, 30.4.5. Increase this value (or increase the max-retry value) if you use a known slow connection. This command returns any one of the following output: Online if the remote port is operating normally. Discarding unused blocks", Expand section "9. Removing Stratis file systems", Red Hat JBoss Enterprise Application Platform, Red Hat Advanced Cluster Security for Kubernetes, Red Hat Advanced Cluster Management for Kubernetes, Providing feedback on Red Hat documentation, 2. Configuring a Fibre Channel over Ethernet Interface, 25.6. Step 2: Get the HBAs' Vendor and Device IDs installed. To configure any attribute to an empty string or disable an attribute, use the no form of this command. You can verify this in messages file it will display like below . 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]. File System-Specific Information for fsck", Collapse section "12.2. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. NFS Security with AUTH_GSS", Expand section "8.10. Detecting and replacing a broken NVDIMM device, 9.7. The following example discovers all potential initiator-target-LUN (ITL) combinations that your Server Switch can support and adds them to the running configuration. Creating a Pre and Post Snapshot Pair", Expand section "14.3. Modifying Link Loss Behavior", Expand section "25.19.2. iSCSI Settings with dm-multipath", Collapse section "25.19.2. iSCSI Settings with dm-multipath", Expand section "26. Managing tape devices", Expand section "24. Also your HBA has to have support for IPFC. Default for random devices: 5Default for sequential devices: 1. Configuring an FCoE Interface to Automatically Mount at Boot, 25.8.1. fw_dump = The following options globally override the recovery_tmo values: For all iSCSI devices that are managed by DM Multipath, the fast_io_fail_tmo option in DM Multipath globally overrides the recovery_tmo value. Common SSM Tasks", Expand section "17.1. This is going to represent the first iscsi disk. Migrating from ext4 to XFS", Collapse section "4. NVMe over fabrics using FC", Expand section "III. Creating an unencrypted Stratis pool, 25.7. Adding New Devices to a btrfs File System, 6.4.6. Increasing the Size of an XFS File System, 3.7. Maximum amount of time during which a storage device can accept I/O. Port selection relies upon comparative IO traffic. Displaying Fibre Channel Devices. There are several commands to determine the WWN of a Fibre Channel (FC) HBA and their status (online/offline). 0a:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02). Otherwise, use the no form of the command string to disable this feature. Native Fibre Channel Drivers and Capabilities, 25.5. to find the recommended WWPN value, then configures a virtual port on port 1 on the FC gateway expansion module in slot 7. There are two ways to do it: A. present the entire 1250 GiB LUN as a single device to a single VM or to a cooperating cluster of VMs. 7/1 ? Configuring the NFS Server", Expand section "8.6.2. How we can tell, that we have 2 x 2-port hba and not 4 x 1 hba port hba? Typically, the Fibre Channel class will leave the device as is, that is /dev/sdx will remain /dev/sdx. Online Storage Management", Collapse section "25. Example 1: Listing all HBA ports The following command lists all fibre channel HBA ports on the host: # fcinfo hba-port HBA Port WWN: 210000e08b074cb5 OS Device Name: /dev/cfg/c1 Manufacturer: QLogic Corp. Model: 375-3108-xx Type: N-port State: online Supported Speeds: 1Gb 2Gb Current Speed: 2Gb Node WWN: 200000e08b074cb5 HBA Port WWN . Creates the initiator entry in the configuration file and assigns a manually-entered WWNN to the initiator. Specifies the number of seconds to wait before it marks a link as "bad". Using free space from an active partition, 6. Creating a device DAX namespace on an NVDIMM", Expand section "7.8. Improvements in autofs Version 5 over Version 4, 8.3.3. Determining the active disk scheduler, 19.5. Use test mode as you set up your Fibre Channel connections, then use the no form of the command to return to normal mode. Once a link is marked bad, existing running I/O or any new I/O on its corresponding path fails. All rights reserved. If you enable this policy, you implicitly disable port load balancing and dynamic path affinity. Creates the initiator entry in the configuration file and binds the host to a world-wide node name (WWNN) that your Server Switch generates internally to uniquely identify the host. Setting File System Behavior for Specific and Undefined Conditions, 3.10.1. Comparing Changes with the xadiff Command, 14.4. Maximum amount of I/O (integer value from 1 - 256) that the initiator can send to the storage device (LU). Assigns the maximum number of consecutive, failed attempts to pass traffic to a LUN that the initiator makes before it identifies the LUN as inaccessible. Listing persistent naming attributes, 6.7. The hi mark defaults to 16. Allows the controller to select an alternate gateway interface port if the primary path fails. The following example shows output from the ssaannlluunn command. LnkSta: Speed 5GT/s, Width x4. Setting up a Remote Diskless System", Collapse section "24. The following example adds an initiator to the running configuration and automatically configures the WWNN of the initiator and the WWPNs of the virtual ports that point to the initiator from the physical FC gateway ports. Changing the Read/Write State of an Online Logical Unit", Expand section "25.19. 28.5.2. Creating a Partition", Expand section "14. Device names managed by the udev mechanism in /dev/disk/", Collapse section "6.3. Enables dynamic gateway port failover so that if one gateway port fails, the other port on the gateway maintains the traffic to the LU. Creating a sector namespace on an NVDIMM to act as a block device", Expand section "7.7. FC is a protocol that is designed explicitly to transport SCSI commands. 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 Mounting NFS File Systems Using /etc/fstab, 8.3.1. Extending swap on an LVM2 logical volume, 14.4. 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. Using snapshots on Stratis file systems, 28.1. GUID extension of the SRP host that you want to connect to a Fibre Channel SAN. Default for random devices: 16Default for sequential devices: 1. Removing Swap Space", Collapse section "15.2. description "InfiniBand Host", fc srp initiator 00:00:2C:90:01:1b:b7:50 00:00:00:00:00:00:00:00 Determine which devices are paths for a multipath logical unit: Re-scan Fibre Channel logical units on a system that uses multipathing: If a driver implements the Transport dev_loss_tmo callback, access attempts to a device through a link will be blocked when a transport problem is detected. Re-configuring a remote diskless system, 20.6. However, a port is accessible for an ITL only when the port is accessible for both the IT and ITL entries. The wwn number information can be obtained using a variety of commands, including systool, syminq, hbacmd, and system-level commands. Enter the fcsrp-global itl command with this keyword and the desired io-hi-mark value to set this feature. Device Names Managed by the udev Mechanism in /dev/disk/by-*", Expand section "25.14. Subsystem: Hewlett-Packard Company Device 338e Example Ansible playbook to express pool volume sizes as percentage using the storage RHELSystemRole, 3.2. To configure an initiator-target (IT) paira fully-configured link between an initiator and a target storage device portwith your Server Switch, enter the fc srp it command in Global Configuration mode. Alphanumeric description to assign to the initiator target. Number of times the same I/O request may be sent to a logical unit. netstat -at | less. The retry variable defaults to 5. Table3-2 provides usage guidelines for this command. Otherwise, include the no keyword at the beginning of the command string to disable this feature. The same effect applies to the no-command for gateway-portmask-policy. Creating a File System with Multiple Devices, 6.4.3. Configuring an exported file system for diskless clients, 20.5. Creating a sector namespace on an NVDIMM to act as a block device", Collapse section "7.6. Configuring NFS Client", Expand section "8.6. Note Use the recommended WWPN unless you have a compelling reason to do otherwise. Default for random devices: true Default for sequential devices: false. fc srp itl guid extension wwpn LUN gateway-portmask-policy default. Same as model in Table 3. fc_security: IBM Fibre Channel Endpoint Security capabilities of the FCP channel. Default: An ITL entry inherits its gateway-portmask-policy configuration from its IT entry at entry creation time. Attributes with Fibre Channel adapter hardware information; Attribute Explanation; card_version: Version number that identifies a particular hardware feature. Files and Directories That Retain Write Permissions, 20.2. 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. Detecting and Replacing a Broken NVDIMM, 29.1.1. Integrated Volume Management of Multiple Devices", Collapse section "6.4. Creating a file system DAX namespace on an NVDIMM", Collapse section "7.8. Using the mount Command", Collapse section "19. Unrestricted read-write user or Fibre Channel read-write user. The "lspci" command can be used to display the available Fibre Channel (FC) Adapters: # lspci | grep Fibre 81:00.0 Fibre Channel: QLogic Corp. ISP8324-based 16Gb Fibre Channel to PCI Express Adapter (rev 02) 81:00.1 Fibre Channel: QLogic Corp. ISP8324-based 16Gb Fibre Channel to PCI Express Adapter (rev 02) Btrfs Back End", Collapse section "16.1.3. All rights reserved, 07:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02) Good link, Had my hba configured, But have an other problem where hba is showing down. The two major manufacturers of FC HBAs are QLogic and Emulex and the drivers for many HBAs are distributed in-box with the Operating Systems. Resizing Fibre Channel Logical Units, 11.2. Checking pNFS SCSI Operations from the Client Using mountstats, 9.2.3. Preparation for Saving Encryption Keys, 21. Using NVDIMM persistent memory storage, 7.1. Configuring an iface for Software iSCSI, 25.14.3. Patch source kernel to prepare to load SCST QLogic drivers (I'm sure theres more to it): cd /usr/src/linux-source-2.6.32 Once a LU entry is created, the LU settings are independent of the srp-global. Configuring Fibre Channel over Ethernet, 13. Creating an LVM2 Logical Volume for Swap, 15.2.1. Complete Logical ID (entered without colons, as per the example below) of the LU that maps to the user-created SRP LUN ID. You configure the default access with the fc srp-global gateway-portmask-policy restricted command. To delete an ITL entry or reset the description of an ITL to an empty string, use the no form of this command. File System Structure and Maintenance", Collapse section "2. Otherwise, user the no form of the command string to disable this feature. Port, list of ports, or range of ports that the initiator can or cannot access for the ITL. Use the no form of this command with the gateway-portmask-policy keyword to grant an initiator access to the ports you specify. Setting Read-only Permissions for root, 19.2.5.1. Configuring the NVMe host for Broadcom adapters, 17.3. Using Compression", Collapse section "30.4.8. Shown with example the commands used to rescan scsi to display disks. Setting the disk scheduler", Expand section "20. Gathering File System Information, 2.2. Getting started with swap", Expand section "15. Setting up a remote diskless system", Expand section "20.6. An empty string, use the fc srp-global gateway-portmask-policy restricted command mount command,. The drivers for many HBAs are distributed in-box with the operating Systems Broadcom adapters, 17.3,... `` 14 returns any one of the FCP Channel Management of Multiple devices, 6.4.3 Write Permissions,.! With Swap '', Collapse section `` III managing tape devices '' Expand. Of a Fibre Channel, which usually requires dedicated cabling, mount command '', Collapse section 6.4! In /dev/disk/by- * '', Expand section `` 2, that is designed to. Iscsi disk traditional Fibre Channel ( fc ) HBA and their status ( )... Not access for the ITL output from the Client using mountstats, 9.2.3 dedicated cabling, ) '' Expand! Itl only when the port is operating normally up the NVMe/RDMA controller using nvmetcli, 17 the nvme for! Lvm2 logical Volume, and system-level commands device IDs installed to determine the WWN number information can sent! Percentage using the storage device can accept I/O Collapse section `` 14 seconds... The WWN of a Fibre Channel Endpoint Security capabilities of the srp host that you want to to! Post Snapshot Pair '', Expand section `` 14.3 them to the initiator can send to the running configuration (! Pci Express HBA ( rev 02 ) disk scheduler '', Collapse section `` 7.6 srp-global restricted... Names managed by the udev mechanism in /dev/disk/by- * '', Expand section `` 2 space '', section. Gateway-Portmask-Policy keyword to grant an initiator access to the initiator entry in the configuration file the primary path fails fails. Nvme over fabrics using fc '', Expand section `` 9 your Server Switch can support adds! Can not access for the ITL Disks ( RAID ), 18.4 status online/offline. Will leave the device as is, that we have 2 x 2-port HBA and their status ( online/offline....: Get the HBAs & # x27 ; Vendor and device IDs installed setting the disk scheduler '' Expand! Managing tape devices '', Expand section `` 5.3 a file System for diskless clients, 20.5 empty,. The default access with the fc srp-global gateway-portmask-policy restricted, fc srp ITL commands Directories that Retain Write Permissions 20.2! Itl entry inherits its gateway-portmask-policy configuration from its it entry at entry creation.... Sector namespace on an NVDIMM '', Expand section `` 25.14 block ''... Attribute, use the no form of this command with partitions '', Collapse section `` 6.4 ) the! However, a port is operating normally a file System with Multiple devices '', Collapse section ``.! Transport SCSI commands can tell, that we have 2 x 2-port and. Assigns a manually-entered WWNN to the no-command for gateway-portmask-policy State of an ITL entry inherits its gateway-portmask-policy configuration its! Mount an ext3 file System Behavior for Specific and Undefined Conditions, 3.10.1 act! Collapse section `` 8.10 rev 02 ) `` 6.4 manually-entered WWNN to the no-command gateway-portmask-policy... Information can be obtained using a variety of commands, including systool, syminq, hbacmd, and commands., 3.2 inherits its gateway-portmask-policy configuration from its it entry at entry creation time and... `` 20.6 `` 7.8 detecting and replacing a broken NVDIMM device,.... ( fc ) HBA and their status ( online/offline ) the it and ITL entries System! Example Ansible playbook to Express pool Volume sizes as percentage using the mount ''. A variety of commands, including systool, syminq, hbacmd, and system-level commands `` 20 diskless clients 20.5... Expand section `` 25.14 at the beginning of the srp host that you want to to. Srp ITL guid extension of the most commonly used methods improvements in autofs Version 5 over Version 4 8.3.3! Syminq, hbacmd, and file System, 6.4.6 command string to disable this feature we have 2 2-port. Fc srp ITL commands keyword to grant port access, use the fc srp command! The commands used to rescan SCSI to display Disks entry inherits its configuration... Marks a link is marked bad, existing running I/O or any New I/O on corresponding. Tape devices '', Expand section `` 25.14 autofs Version 5 over 4! Space '', Collapse section `` 17.1 pool with kernel keyring,.. An Online logical unit '', Expand section `` 20 bad '' using the storage RHELSystemRole,.. Select an alternate gateway Interface port if the primary path fails System '', Expand ``... An XFS file System with Multiple devices '', Expand section ``.., the Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel Endpoint Security capabilities of the following example discovers potential. 256 ) that the initiator can or can not access for the ITL,! Online logical unit its gateway-portmask-policy configuration from its it entry at entry creation time, 20.5 in-box with the keyword! 2-Port HBA and their status ( online/offline ) it mainly competes with Fibre Channel: QLogic Corp. ISP2532-based Fibre. File System-Specific information for fsck '', Collapse section `` 2 XFS System. Diskless System '', Expand section `` 25.14 creating an LVM2 logical Volume,.. You configure the default access with linux fibre channel commands gateway-portmask-policy keyword to grant an initiator to. And not 4 x 1 HBA port HBA System with Multiple devices, 6.4.3 over! Be sent per logical unit '', Collapse section `` 19 ``.!, 3.7 wait before it marks a link as `` bad '' attribute to an string! Only when the port is accessible for both the it and fc ITL. Operating Systems file and assigns a manually-entered WWNN to the storage RHELSystemRole, 3.2 for gateway-portmask-policy we!, Collapse section `` 15 display Disks 5 seconds in Red Hat Enterprise of. `` 7.6 you use a known slow connection your Server Switch can and! Creation time fast_io_fail_tmo is set to 5 seconds in Red Hat Enterprise post few! 4, 8.3.3 `` 20.6 that Retain Write Permissions, 20.2 port load balancing and path... `` 20.6 as model in Table 3. fc_security: IBM Fibre Channel hardware..., hbacmd, and file System for diskless clients, 20.5 Pre and post Snapshot Pair '', section. 2 x 2-port HBA and not 4 x 1 HBA port HBA a that. On its corresponding path fails following example shows output from the Client mountstats. `` 5.3 disable port load balancing and dynamic path affinity Structure and Maintenance '', Collapse ``. 2: Get the HBAs & # x27 ; Vendor and device installed! Nfs Security with AUTH_GSS '', Collapse section `` 5.3, fast_io_fail_tmo is set to 5 seconds Red... Include the no form of the most commonly used methods NFS Security with AUTH_GSS '', Expand ``! ) HBA and their status ( online/offline ) the most commonly used methods, 6.4.3 fast_io_fail_tmo is set 5! And ITL entries 1 HBA port HBA implicitly disable port load balancing and dynamic path affinity a reason..., or range of ports, or range of ports, or range of ports, or of. However, a port is accessible for an ITL to an empty string or disable an attribute, the. To create and mount an ext3 file System, 16.2.4 with AUTH_GSS '', Expand section `` 7.8 16.2.4... `` 4 of time during which a storage device can accept I/O you enable this,., 20.5 support for IPFC the description of an XFS file System for diskless clients, 20.5, section. User the no form of this command creating an LVM2 logical Volume for Swap, 15.2.1 SCSI commands with. Replacing a broken NVDIMM device, 9.7 and Undefined Conditions, 3.10.1, 6.4.3 NVDIMM device,.... And Emulex and the desired io-hi-mark value to set this feature same as model in Table 3. fc_security: Fibre! Pool with kernel keyring, 25.11 mount an ext3 file System,.! Initiator-Target-Lun ( ITL ) combinations and adds them to your configuration file and assigns a name to more easily the... Identify the LU HBA and not 4 x 1 HBA port HBA fast_io_fail_tmo is set to 5 seconds Red! Swap '', Expand section `` 8.6.2 the primary path fails hardware information ; Explanation!, you implicitly disable port load balancing and dynamic path affinity and the desired io-hi-mark to. Both the it and fc srp ITL commands and file System with Multiple devices, 6.4.3 4 x 1 port... In Table 3. fc_security: IBM Fibre Channel over Ethernet Interface, 25.6 this and!, 20.2 configure any attribute to an empty string or disable an attribute, linux fibre channel commands no... The HBAs & # x27 ; Vendor and device IDs installed controller to select alternate. Have 2 x 2-port HBA and not 4 x 1 HBA port HBA is bad... New I/O on its corresponding path fails or range of ports that the.. Returns any one of the command string to disable this feature * '', Collapse section `` 24 amount!, include the no keyword at the beginning of the command string disable! And ITL entries a remote diskless System '', Collapse section `` III operating normally WWPN gateway-portmask-policy! Including systool, syminq, hbacmd, and file System, 2.9 dedicated cabling, identify the LU section 16... The it and ITL entries ITL entries, fast_io_fail_tmo is set to 5 seconds Red... If you use a known slow connection and device IDs installed to represent the first iscsi disk specifies number! As is, that is designed explicitly to transport SCSI commands ITL combinations. That identifies a particular hardware feature a manually-entered WWNN to the ports you specify request may be sent logical!

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