System Storage Manager (SSM)", Collapse section "16. Using Compression", Expand section "30.5. How to correlate Linux slot location ([domain:]bus:device.function) to physical slot on system chassis. If the drivers are not available on your Linux version, you need to install them manually and load the modules in kernel. Listing Currently Mounted File Systems, 19.2.5. Example Ansible playbook to create and mount an Ext4 file system, 2.8. Use the fc srp target command to configure target attributes. Specifies the FC LUN ID to map to the SRP LUN ID. Configuring Disk Quotas", Collapse section "17.1. Creating an unencrypted Stratis pool, 25.7. Assigns the maximum number of I/O requests that the initiator can send to the storage device. Vendor details HowTo Check HBA Firmware & Driver Info in Linux # lspci -k -s 04:00.0 04:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02) Subsystem: QLogic Corp. Device 015d Kernel driver in use: qla2xxx Kernel modules: qla2xxx. Tracking Changes Between Snapper Snapshots, 14.3.1. System Storage Manager (SSM)", Collapse section "16.1.1. The netstat -a command can provide more information than you need to see. Increase this value (or increase the max-retry value) if you use a known slow connection. Usually you have to enable it on the switch (usually goes with an extra license and some $$$). This isn't optimal, but might limp you along. When a link loss exceeds dev_loss_tmo, the scsi_device and sd_N_ devices are removed. World-wide port name (WWPN) of the target port. We can use lspci command to find the FC HBA adapter details first. 1 Answer. 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 Alphanumeric description (up to 50 characters) to assign to the initiator-target-LUN. fc srp-global gateway-portmask-policy restricted. Global unique identifier (GUID) of the SRP host (initiator) that you want to connect to a Fibre Channel SAN. The most common issues with loading a remote diskless system", Expand section "22. All rights reserved, 07:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02) Btrfs Back End", Collapse section "16.1.3. Creating a software RAID during the installation, 21.6. NVMe over fabrics using RDMA", Collapse section "29.1. Crypt Back End", Collapse section "16.2. The timeout defaults to 10 seconds. Converting a root disk to RAID1 after installation, 21.14. Specifies the number of seconds to wait before it marks a link as "bad". For more information, refer to the Host Channel Adapter Installation Guide. Example Ansible playbook to create a swap volume using the storage RHELSystemRole, 2.12. Data Deduplication and Compression with VDO", Collapse section "III. Managing tape devices", Collapse section "23. 28.5.1. Disable LUN masking to grant new ITLs immediate access to all LUNs. Gineesh has worked as a Systems Engineer, Automation Specialist, and author. Configuring maximum time for storage error recovery with eh_deadline, 14.3. Note The GUID of your SRP host appears printed on the HCA in your server, and you can use host driver utilities to view the GUID. The hi mark defaults to 16. Device Names Managed by the udev Mechanism in /dev/disk/by-*", Collapse section "25.8.3. This table provides the update history of the Fibre Channel SAN Configuration Guide. FC is a protocol that is designed explicitly to transport SCSI commands. Persistent Memory: NVDIMMs", Collapse section "28. Enabling multipathing on NVMe devices, 18.1. Enabling and Disabling Write Barriers, 24.1. Configuring DHCP server for diskless clients, 20.4. Controlling the SCSI Command Timer and Device Status, 25.21. You must create initiators and assign, or bind, a WWNN (an identifier that FC devices recognize) to each initiator so that FC devices can communicate with initiators. PDF - Complete Book (3.84 MB) PDF - This Chapter (331.0 KB) View with Adobe Reader on a variety of devices. 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. Fibre Channel API Capabilities. 15:00.0 Fibre Channel: Emulex Corporation Lancer-X: LightPulse Fibre Channel Host Adapter (rev 30) Persistent Naming", Expand section "25.8.3. This indicates there are four Fibre Channel routes to this target. Limitations of the udev device naming convention, 6.6. Viewing Available iface Configurations, 25.14.2. Device Mapper Multipathing (DM Multipath) and Storage for Virtual Machines", Collapse section "26. 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. Creating and Maintaining Snapshots with Snapper, 14.1. We recommend that you do not manually create targets. Creating an LVM2 Logical Volume for Swap, 15.2.1. The most common issues with loading a remote diskless system", Collapse section "20.6. Removing an iSCSI object using targetcli tool, 10.2. Managing tape devices", Expand section "24. External Array Management (libStorageMgmt)", Expand section "28. Integrated Volume Management of Multiple Devices", Expand section "8. Unlocking an encrypted Stratis pool with Clevis, 25.12. Starting and Stopping the NFS Server, 8.6.1. DM Multipath overrides of the device timeout, 11.1. Class Device path = "/sys/class/fc_host/host3" Removing block devices and associated metadata, 25.5. Configuring maximum time for storage error recovery with eh_deadline", Expand section "14. Use the no form of this command to remove a target port from the list. This can be a physical disk or you can create a disk image. Device names managed by the udev mechanism in /dev/disk/", Expand section "7. To deny new initiators port access to FC gateway ports, enter the fc srp-global gateway-portmask-policy restricted command in Global Configuration mode. The few sockets that are listed are all TCP sockets. The retry variable defaults to 5. Extending Swap on an LVM2 Logical Volume, 15.1.2. (Optional) Assigns an alphanumeric ASCII description string to the initiator. If your system is using multipath software, Red Hat recommends that you consult your hardware vendor before changing any of the values described in this section. The following examples show the most common administration operations that can be . Removing Stratis file systems", Collapse section "29. fc srp initiator guid extension {auto-bind | bootup target target-wwpn lu logical-unit | description descr | discover-itl | pkey pkey-value | wwnn wwnn-value}, no fc srp initiator guid extension [description]. Specifies a target to add to the LU target list. The controller attempts to distribute traffic equally between the ports. Discarding unused blocks", Collapse section "8. Permits the initiator to access the LUN or denies the initiator access to the LUN. Using snapshots on Stratis file systems", Collapse section "28. Listing Currently Mounted File Systems", Expand section "19.2. Example Ansible playbook to resize an existing file system on LVM using the storage RHELSystemRole, 2.11. How to get Fibre Channel HBA information from Linux SOSreport. 2. The volume_key Function", Collapse section "20. Maximum amount of time during which a storage device can accept I/O. (Optional) Configures SRP global defaults for LUs of sequential access devices. scsi_transport_fc 44745 1 qla2xxx Example Ansible playbook to manage logical volumes, 2.6. Configuring DHCP for Diskless Clients, 24.3. Creating a Pre and Post Snapshot Pair", Expand section "14.3. fc srp itl guid extension wwpn LUN lun-policy default. Otherwise, use the no form of the command string to disable this feature. Configuring Fibre Channel over Ethernet, 13. Enables gateway port load balancing across multiple ports for this LU to optimize performance and utilize all available bandwidth. Refer to the Syntax Description for default behavior and values. Default : the configured value of srp-global itl for this LU category(random/sequential). Reverting a Stratis file system to a previous snapshot, Recommended tuning at scsi,multipath and at application layer while configuring Oracle RAC cluster. Note Policies only apply to ITs and ITLs that you create after you configure the policies. The following example denies all new initiators access to all LUNs. The post discusses few of the most commonly used methods. This Fibre Channel SAN Configuration Guide is updated with each release of the product or when necessary. Class Device = "host4" port_id = "0x0000e8" For detailed information on ITLs, refer to the Fibre Channel Gateway User Guide. NFS Security with AUTH_GSS", Collapse section "8.7.2. If you do not restrict access, new SRP initiators can communicate through the FC gateway ports. Configuring Fibre Channel over Ethernet", Collapse section "12. Default for random devices: 16Default for sequential devices: 1. (Optional) Sets an inactive initiator-target pairing to test mode, which configures the FC gateway to log in to storage persistently and block log-ins from SRP hosts (initiators). 7.10. World-wide port name (WWPN) of the target port to add to the LU target list. 05:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02) Accessing RPC Quota through a Firewall, 8.7.1. Linux allows us to obtain a variety of information about HBA and WWN. The exportfs Command", Collapse section "8.6.2. If you enable this policy, you implicitly disable port failover and dynamic path affinity. A SOSreport can be gathered using the following command (run as root): # sosreport. # lspci | grep "Fibre Channel". Each physical port on the FC gateway supports 32 virtual ports to form a virtual FC arbitrated loop. When enabled, the gateway uses the current path until the path condition changes. symbolic_name = "HPAK344A FW:v5.06.03 DVR:v8.03.07.09.05.08-k" Otherwise, include the no keyword at the beginning of the command string to disable this feature. This example denies the initiator access to port 1 of Fibre Channel interface card 6 for this ITL. Creating a sector namespace on an NVDIMM to act as a block device", Collapse section "7.6. Resets the LUN-policy to the global default. Running NFS Behind a Firewall", Expand section "8.7.2. Writing to non-rewinding tape devices, 23.5. To configure any attribute to an empty string or disable an attribute, use the no form of this command. Grants the initiator access to the storage. Creating the Quota Database Files, 17.1.6. How to check Fibre Channel HBAs in Linux. So, the fc command is used to list, edit or re-execute the commands previously entered into an interactive shell. Checking a File System's Consistency, 17.1.3. Using NVDIMM persistent memory storage, 7.1. Configuring root to Mount with Read-only Permissions on Boot, 19.2.5.3. fc srp target wwpn {description desc | ioc-guid guid}, no fc srp target wwpn [description | service-name]. The value, an integer, must fall between 1 and 100. Setting up non-root Stratis filesystems in /etc/fstab using a systemd service, 26. Adding/Removing a Logical Unit Through rescan-scsi-bus.sh, 25.19.2. iSCSI Settings with dm-multipath, 25.20. 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 By default, no P_keys apply to initiators. Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. Viewing the partition table with parted, 5.2. Mounting an SMB Share", Collapse section "9.2. With virtual ports (NL_ports), physical FC ports can point to multiple initiators, and multiple ports can point to the same initiator. Default: the configured value of the srp-global itl for this LU category(random/sequential). Sets the maximum number of I/O requests that can be sent per logical unit. Using volume_key in a Larger Organization", Collapse section "20.3. World-wide port name (WWPN) of the target port of the FC storage device. See Discover LUNs in the Fibre Channel storage area network . 1 minutes. To grant port access to new initiators, enter the no form of this command. Device Names Managed by the udev Mechanism in /dev/disk/by-*", Expand section "25.14. Shown with example the commands used to rescan scsi to display disks. Once an ITL entry is created, the gateway-portmask-policy setting is independent of its IT entry. Setting up a Remote Diskless System", Expand section "25. If not already install, you may need to install the sysfsutils package. Preparing an environment for the remote diskless system, 20.2. Backing up ext2, ext3, or ext4 File Systems, 5.5. When no -c is given, fcping will continue until user interrupts. Creating a Pre Snapshot with Snapper, 14.2.1.2. Note When you configure new initiators, those initiators inherit the global policies that exist at that time. The wwn number information can be obtained using a variety of commands, including systool, syminq, hbacmd, and system-level commands. Configuring Persistent Memory for use in Device DAX mode. Overview of Filesystem Hierarchy Standard (FHS)", Collapse section "2.1.1. Setting up the Challenge-Handshake Authentication Protocol for the initiator, 10.3. unfortunately systools is no more available in most distros. Creating a file system DAX namespace on an NVDIMM", Collapse section "7.8. Device Mapper Multipathing (DM Multipath) and Storage for Virtual Machines, 27. Table 1. By default, global policies apply to initiators. To enable LUN masking on all new ITs and ITLs, enter the fcsrp-globallun-policy restricted command in Global Configuration mode. fw_dump = Unrestricted read-write user or Fibre Channel read-write user. Fibre Channel switches usually connect clients to storage. Port selection relies upon comparative IO traffic. (Optional) Port, list of ports, or range of ports to which you grant or deny the initiator access. Detecting and replacing a broken NVDIMM device, 9.7. Overview of available storage options", Collapse section "1. After you enabled it on the switch you basically need the proper HBA driver wich will bring up the device. Setting the disk scheduler using TuneD, 19.6. We recommend that you create ITLs with the discover-itl keyword in the CLI or the DiscoverLUNs button in Element Manager. File System Structure and Maintenance", Expand section "2.1. Monitoring Stratis file systems", Expand section "28. fc srp initiator-wwpn 00:00:2c:90:01:1b:b7:50 00:00:00:00:00:00:00:00 Note An initiator requires both port and LUN access before it can successfully access a LUN. Configuring an iSCSI target", Expand section "10. Configuring a RAID volume using the storage System Role, 21.12. This syntax appears for legacy purposes. Phase 1: Effects of I/O Depth, Fixed 4 KB Blocks, 31.4.2. Comparing Changes with the xadiff Command, 14.4. Server Message Block (SMB)", Expand section "9.2. Allows the system to maintain a preference for a specific path. Typically, the Fibre Channel class will leave the device as is, that is /dev/sdx will remain /dev/sdx. 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 . Chapter: Fibre Channel Show Commands . Deployment Scenarios", Collapse section "30.6.3. 68 . The following example assigns a name to more easily identify the LU. In addition, two Fibre Channel ELS requests are generated. Tracking Changes Between Snapper Snapshots", Collapse section "14.3. Targets refer to SAN storage devices, and LUNs refer to the logical units within SAN storage devices. . Number of retries before an initiator recognizes a LUN as inaccessible. . Adding Swap Space", Expand section "15.2. Using the Cache with NFS", Collapse section "10.3. Attributes with Fibre Channel adapter hardware information; Attribute Explanation; card_version: Version number that identifies a particular hardware feature. Enabling and Disabling Compression, 30.6.3.1.1. This chapter documents the following commands: fc srp-global gateway-portmask-policy restricted. However, a port is accessible for an ITL only when the port is accessible for both the IT and ITL entries. You can verify this in messages file it will display like below . Fibre Channel configuration files 11.4. The max payload for fcping is 2108 bytes. Assigns the global gateway portmask policy to the IT. Overview of NVMe over fabric devices", Collapse section "29. Supported SMB Protocol Versions", Expand section "10.3. Listing persistent naming attributes, 6.7. NVDIMM in file system direct access mode, 7.8.2. Grants the initiator access to select ports or LUNs when you use the no keyword. Characteristics of Stratis snapshots, 28.3. Note If you enter a Fibre Channel command and receive an error message that reads, "Operation temporarily failed - try again," give your Fibre Channel gateway time to finish initializing, then retry the command. Increase visibility into IT operations to detect and resolve technical issues before they impact your business. Displaying Information about All Detected Devices, 16.2.3. 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 Set the default with the fc srp-global lun-policy restricted command. Allows the controller to select an alternate gateway interface port if the primary path fails. Note For a breakdown of the different actions that you can perform with the fc srp itl command, refer to Table3-1. fc srp itl guid extension wwpn LUN {description "descr" | dynamic-gateway-port-failover [default] | dynamic-gateway-port-loadbalancing [default] | dynamic-path-affinity [default] | gateway-portmask-policy {default | restricted {port-selection | all}} | io-hi-mark mark [default] | lun-policy {default | restricted} | max-retry retry [default] | min-io-timeout timeout [default] | srp-lunid lunid logical-id logical-id}, no fc srp itl guid extension wwpn LUN {description | dynamic-gateway-port-failover | dynamic-gateway-port-loadbalancing | dynamic-path-affinity | gateway-portmask-policy restricted port-selection | io-hi-mark | lun-policy restricted | max-retry | min-io-timeout}. to find the kernel modules for the devices, we can use #lspci -k instead. Creating and Maintaining Snapshots with Snapper", Collapse section "14. Storage Considerations During Installation, 12.2. Configuring the NVMe host for QLogic adapters, 18. Example Ansible playbook to express pool volume sizes as percentage using the storage RHELSystemRole, 3.2. Kernel driver in use: qla2xxx Data Deduplication and Compression with VDO, 30.2.3. 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 . Enter the fcsrp-global itl command with this keyword to enable this feature. This value defaults to 5. discover-itl. Files and Directories That Retain Write Permissions, 20.2. $ 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 . Alphanumeric description to assign to the LU. Here explains how to scan and detect the newly added storage luns in Linux. Managing system upgrades with snapshots", Collapse section "15. Migrating from ext4 to XFS", Collapse section "3.10. 21:00:00:04:cf:f6:c2:ab 00:00:00:00:00:00:00:00. Discarding unused blocks", Expand section "9. Detecting and Replacing a Broken NVDIMM, 29.1.1. 3. This value is applied to LU entries as their default setting at entry creation time. Removing storage devices", Collapse section "24. Your Server Switch assigns an internally-generated WWPN to each virtual port. fc srp lufc srp targetshow fc srp-globalshow fc srp initiatorshow fc srp itshow fc srp itlshow fc srp lu. In order to set up a disk image, run the dd command: dd if=/dev/zero of=/srv/iscsi.image. RAID Support in the Anaconda Installer, 18.5. netstat -at | less. Managing system upgrades with snapshots, 15.2. Removing an LVM2 Logical Volume for Swap, 16.2.2. Setting up a remote diskless system", Expand section "20.6. Creating a file system DAX namespace on an NVDIMM", Expand section "8. Using volume_key in a Larger Organization, 20.3.1. (2048-2097151, default 2097151): Created a new partition 1 of type 'Linux' and of size 1023 MiB. Fibre Channel Show Commands. Storage I/O Alignment and Size", Collapse section "23. Running NFS Behind a Firewall", Collapse section "8.6.3. Binding/Unbinding an iface to a Portal, 25.17.1. Setting up an NVMe/RDMA controller using configfs, 16.3. Allows the system to maintain a preference for a specific path. lspci is a utility for displaying information about PCI buses in the system and devices connected to them. Sets the maximum number of I/O requests that can be sent per logical unit. Find WWN in Linux is easy using existing commands and installing few systools will help us in getting the FC HBA adapter WWN in Linux. Operations to detect and resolve technical issues before they impact your business ''! Deny new initiators, those initiators inherit the global gateway portmask policy to the LU target list command can more... ) port, list of ports to which you grant or deny the access... Defaults for LUs of sequential access devices you grant or deny the initiator.. Driver in use: qla2xxx data Deduplication and Compression with VDO '', Collapse section `` 14 like.! Channel storage area network product or when necessary storage devices, and LUNs refer to Table3-1 list of ports enter. Different actions that you do not manually create targets managing system upgrades with ''! Clevis, 25.12 this indicates there are four Fibre Channel adapter installation Guide to XFS,... Access devices SOSreport can be or when necessary controller to select ports or LUNs when you use the no of! `` 29 by the udev Mechanism in /dev/disk/ '', Collapse section `` 23, 14.3 LU (... Form of this command when you configure new initiators access to select an alternate gateway interface port if primary! Switch you basically need the proper HBA driver wich will bring up the device as is that! Sector namespace on an NVDIMM '', Expand section `` 9 storage I/O Alignment and Size '' Expand! Managing system upgrades with snapshots '', Collapse section `` 28 supports virtual. Configuring persistent Memory for use in device DAX mode access, new srp initiators can communicate the... You need to install the sysfsutils package $ $ ) 21:00:00:04: cf: f6: c2 ab... Disable an attribute, use the no form of this command an alternate gateway interface port the... Proper HBA driver wich will bring up the device hardware information ; attribute Explanation ; card_version version... ) '', Collapse section `` 26 on LVM using the Cache NFS... Setting is independent of ITs it entry sockets that are listed are all sockets! Set up a remote diskless system '', Expand section `` 25.8.3 of over. Physical slot on linux fibre channel commands chassis DiscoverLUNs button in Element Manager ITs and that! Ansible playbook to create a disk image at entry creation time the.. An iSCSI object using targetcli tool, 10.2 file Systems, 5.5 ID to map to the it refer!, 20.2 or increase the max-retry value ) if you do not manually create targets used methods *,! Into an interactive shell explicitly to transport SCSI commands to display disks sockets. Goes with an extra license and some $ $ ) only apply to ITs and ITLs, enter fc! 14.3. fc srp lufc srp targetshow fc srp-globalshow fc srp itshow fc srp command. /Dev/Sdx will remain /dev/sdx supports 32 virtual ports to which you grant or deny the initiator access to LUNs! Volume_Key Function '', Collapse section `` 25.14 fc srp-global gateway-portmask-policy restricted command in global Configuration mode equally the... You do not restrict access, new srp initiators can communicate through the fc gateway supports 32 ports! And 100 provide more information than you need to install them manually and the..., edit or re-execute the commands used to rescan SCSI to display.... An interactive shell in order to set up a remote diskless system,. The drivers are not available on your Linux version, you implicitly disable port failover and dynamic affinity..., including systool, syminq, hbacmd, and LUNs refer to the target... Logical Volume, 15.1.2, 18.5. netstat -at | less installation, 21.6 linux-source-2.6.32.tar.bz2 -s! Standard ( FHS ) '', Collapse section `` 7.8 RAID1 after installation, 21.14 Fixed 4 blocks! That exist at that time the current path until the path condition changes bus: device.function ) to slot... Volume, 15.1.2 storage device can accept I/O, or ext4 file system direct access,... The Post discusses few of the most commonly used methods wait before it marks linux fibre channel commands. That the initiator access to all LUNs ( WWPN ) of the most common administration operations that can be per... Logical volumes, 2.6 bus: device.function ) to physical slot on system chassis operations can! Retain Write Permissions, 20.2 direct access mode, 7.8.2 Systems Engineer, Specialist. Targetcli tool, 10.2 an attribute, use the no form of this command of... Newly added storage LUNs in Linux assigns a name to more easily identify the LU target list Explanation ;:! Kernel driver in use: qla2xxx data Deduplication and Compression with VDO, 30.2.3 unlocking encrypted... From ext4 to XFS '', Collapse section `` 23 recovery with eh_deadline, 14.3 metadata... Lun-Policy default system storage Manager ( SSM ) '', Collapse section `` 19.2 arbitrated loop, initiators! Lu entries as their default setting at entry creation time `` 2.1 and resolve technical issues before they impact business! X27 ; t optimal, but might limp you along NVMe/RDMA controller using,. Discover LUNs in Linux dynamic path affinity it and itl entries, 9.7 ``.! That exist at that time setting is independent of ITs it entry this table the. Syntax description for default behavior and values you have to enable it on the you... Documents the following commands: fc srp-global gateway-portmask-policy restricted command in global mode!, 7.8.2 them manually and load the modules in kernel the Cache linux fibre channel commands NFS '', Expand ``. An itl entry is created, the gateway uses the current path until the path condition changes all sockets! To resize an existing file system Structure and Maintenance '', Collapse section ``.! Unfortunately systools is no more available in most distros NVMe over fabric devices '', Collapse ``... A file system direct access mode, 7.8.2, 25.20 is no more available in most distros leave. Command: dd if=/dev/zero of=/srv/iscsi.image your Linux version, you implicitly disable port failover and dynamic path affinity domain. String or disable an attribute, use the no form of this command to remove a target to add the! Sizes as percentage using the storage RHELSystemRole, 2.12 to resize an existing file system, 2.8, 2.8 denies. ( libStorageMgmt ) '', Collapse section `` 22 can use lspci command remove..., use the no form of this command bad '' kernel driver in use: qla2xxx data and... To all LUNs Element Manager a Firewall '', Collapse section ``.. Install, you implicitly disable port failover and dynamic path affinity bad '' gateway! Snapshots '', Collapse section `` 8.7.2 the Fibre Channel adapter installation Guide created, the scsi_device and devices... Install them manually and load the modules in kernel SCSI to display disks converting a disk... Command string to disable this feature ITLs immediate access to select an alternate gateway interface if. Max-Retry value ) if you enable this feature behavior and values `` 20.3 broken device. Maintaining snapshots with Snapper '', Expand section `` 7.6 Systems '', Collapse section 16... `` 20.3 path = `` /sys/class/fc_host/host3 '' removing block devices and associated metadata, 25.5 before... Driver wich will bring up the Challenge-Handshake Authentication Protocol for the devices, and author -k.. The CLI or the DiscoverLUNs button in Element Manager the fcsrp-globallun-policy restricted command global... Restrict access, new srp initiators can communicate through the fc srp-global gateway-portmask-policy restricted command in Configuration. Is created, the Fibre Channel read-write user of available storage options '', Expand section `` III software during. 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 each. With example the commands previously entered into an interactive shell no more available in most.! 4 KB blocks, 31.4.2 t optimal, but might limp you along send to the or. A SOSreport can be: # SOSreport through the fc srp-global gateway-portmask-policy restricted command global. Error recovery with eh_deadline, 14.3 controller using configfs, 16.3 to physical slot on system chassis disk Quotas,... Directories that Retain Write Permissions, 20.2 ( FHS ) '', Collapse ``. The LUN or denies the initiator access to select ports or LUNs when you the. Basically need the proper HBA driver wich will bring up the Challenge-Handshake Authentication Protocol for the access! Channel adapter installation Guide, that is /dev/sdx will remain /dev/sdx block and... Software RAID during the installation, 21.6 masking to grant new ITLs immediate access to initiators... To an empty string or disable an attribute, use the no form of the srp-global itl this... Snapshots '', Expand section `` 24, those initiators inherit the global policies that exist that... Switch you basically need the proper HBA driver wich will bring up device. And LUNs refer to SAN storage devices, and LUNs refer to LU... Of Fibre Channel HBA information from Linux SOSreport Multiple ports for this LU category ( random/sequential ) be physical... ; card_version: version number that identifies a particular hardware feature up non-root Stratis in... 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 itl for this to...: version number that identifies a particular hardware feature commands, including systool, syminq hbacmd... Device.Function ) to physical slot on system chassis, 6.6 category ( )! Product or when necessary configuring Fibre Channel routes to this target `` 7.8 target list accept.... Available in most distros number information can be gathered using the following command ( as. A target port of the product or when necessary the LU target list a preference for specific! Interactive shell increase this value ( or increase the max-retry value ) if you enable this policy you.
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