Allows the system to maintain a preference for a specific path. 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. Enter the fcsrp-global itl command with this keyword to enable this feature. Port selection relies upon comparative IO traffic. The recovery_tmo sysfs option controls the timeout for a particular iSCSI device. Keep your systems secure with Red Hat's specialized responses to security vulnerabilities. Configuring NFS Client", Expand section "8.6. Creating a Pre and Post Snapshot Pair", Collapse section "14.2.1. 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. Monitoring an iSCSI session using the iscsiadm utility, 10.4. Migrating from ext4 to XFS", Collapse section "3.10. System Requirements", Collapse section "30.2. scsi_mod 144277 16 be2iscsi, ib_iser, iscsi_tcp, bnx2i, libcxgbi, libiscsi2, scsi_transport_iscsi2, scsi_dh, sr_mod, sg, usb_storage, qla2xxx, scsi_transport_fc, libata,cciss, sd_mod, drwxr-xr-x 3 root root 0 Feb 5 11:28 host3 Configuring Snapper to Take Automated Snapshots, 14.3. The most common issues with loading a remote diskless system, 20.6.1. The few sockets that are listed are all TCP sockets. Gathering File System Information, 2.2. 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. Enabling and Disabling Write Barriers, 24.1. This command returns any one of the following output: Online if the remote port is operating normally. Server Message Block (SMB)", Collapse section "9. Adding Swap Space", Expand section "15.2. speed = "8 Gbit" Run the lspci command to list all PCI cards detected on the system. Creating a Memory Copy RAM disk storage object, 9.12. fc srp itlshow interface fcshow fc srp initiator. Monitoring NVDIMM health using S.M.A.R.T. 15:00.1 Fibre Ch. Table3-2 provides usage guidelines for this command. Denies the ITL access to the ports that you specify with the port-selection variable. Slot of the FC gateway expansion module that you want to use. The World Wide Identifier with DM Multipath, 6.5. show cfs . supported_speeds = "1 Gbit, 2 Gbit, 4 Gbit, 8 Gbit" port_state = "Online" When you use the no keyword to remove FC gateway ports from the policy, the initiator can access the storage through those ports. Allows the controller to select an alternate gateway interface port if the primary path fails. Introduction to NFS", Collapse section "8.1. The fc srp itl command no longer supports this syntax. # /usr/bin/sg_reset -H /dev/sgx # sg_reset -H /dev/sg30 Here /dev/sgx is the device via which LUNs are getting allocated. In order to set up a disk image, run the dd command: dd if=/dev/zero of=/srv/iscsi.image. NFS Security with AUTH_GSS", Expand section "8.10. Backing up ext2, ext3, or ext4 File Systems, 5.5. Allows data to be sent between the initiator and Fibre Channel target using all available ports on the gateway interface. Re: [ANNOUNCE]: Generic SCSI Target Mid-level For Linux (SCST),target drivers for iSCSI and QLogic Fibre Channel cards released From: Nicholas A. Bellinger Date: Tue Jul 08 2008 - 17:09:34 EST Next message: Dmitry: "Re: [PATCH 1/2] Generic per-device coherent dma allocator" Previous message: Mike Travis: "Re: [PATCH 1/1] x86: Change _node_to_cpumask_ptr to return constptr" Increase visibility into IT operations to detect and resolve technical issues before they impact your business. NOTE: Although most Fibre Channel drivers register a model name and description within sysfs, not all scsi drivers will.For example, the Smart Array, SIL2424 and ATA HBA, as shown in the above configuration, do not supply that information. Mounting a File System", Expand section "19.2.5. Resizing Fibre Channel Logical Units, 11.2. How we can tell, that we have 2 x 2-port hba and not 4 x 1 hba port hba? Encrypting a blank block device using LUKS2, 22.7. Using Compression", Collapse section "30.4.8. Removing Swap Space", Expand section "16. Data Efficiency Testing Procedures", Collapse section "31.3. NVMe over fabrics using RDMA", Collapse section "29.1. When enabled, the gateway uses the current path until the path condition changes. Writing to non-rewinding tape devices, 23.5. 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. The following example assigns the description InfiniBand Host to an existing initiator. Online Storage Management", Collapse section "25. Enter the fc srp lu command with this keyword and the desired io-hi-mark value to set this feature. 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]. This value appears in the fc-lunid field of the showfc srp itl command output. Increase this value (or increase the max-retry value) if you use a known slow connection. Crypt Back End", Collapse section "16.2. Configuring iSCSI Offload and Interface Binding", Collapse section "25.14. - min-io-timeout timeout Default: the configured value of srp-global itl for this LU category(random/sequential). To deny SAN access to the SRP host, to delete an initiator from the running configuration, or to . To configure an initiator normally a SAN-attached host but in IB terms a SRP host combined with a Server Switchto communicate with a Fibre Channel SAN across a Fibre Channel gateway on your Server Switch, enter the fc srp initiator command in Global Configuration mode. 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. So How to scan new FC LUNS and SCSI disks in Linux without rebooting the server? Creating and Maintaining Snapshots with Snapper", Expand section "14.2. All SCSI commands have a FC equivalent, and FC has a few extra ones that allow for networking. If you perform a manual configuration, you may create duplicate WWNNs that create traffic conflicts. 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. Persistent Naming", Expand section "25.8.3. authenticationradius-serverfc srp itfc srp itlfc srp-global gateway-portmask-policy restrictedshow fc srp-global. Configuring an iSCSI target", Collapse section "9. Using free space from an active partition", Expand section "6. If you enable this policy, you implicitly disable port failover and port loadbalancing. To delete or reconfigure an IT pair entry from the configuration file, use the no form of this command. NFS Security with AUTH_GSS", Collapse section "8.7.2. 1 minutes. Migrating from ext4 to XFS", Collapse section "4. Phase 3: Effects of Mixing Read & Write I/Os, 31.4.4. DM Multipath overrides of the device timeout, 12. fc srp initiator . Starting and Stopping the NFS Server, 8.6.1. External Array Management (libStorageMgmt)", Expand section "28. Note We strongly recommend that you use the auto-bind keyword to assign WWNNs to initiators as you configure the initiators. Assigns a partition key (P_key) to the initiator. Btrfs (Technology Preview)", Collapse section "6. Setting the disk scheduler using TuneD, 19.6. Creating a file system on a file system DAX device. eg: broken card: NFS Security with AUTH_SYS and Export Controls, 8.10.2. issue_lip = Configures the SRP host to boot from a Fibre Channel logical unit (LU). 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. Setting up pNFS SCSI on the Client, 8.10.5. Another useful command to find the information about HBAs is systool. Replacing Failed Devices on a btrfs File System, 6.4.7. Also your HBA has to have support for IPFC. Example Ansible playbook to express pool volume sizes as percentage using the storage RHELSystemRole, 3.2. Using volume_key in a Larger Organization, 20.3.1. Checking for a SCSI Device Compatible with pNFS, 8.10.3. Storage Considerations During Installation, 12.2. auto-bind, fc srp initiator 00:00:2C:90:01:1b:b7:50 00:00:00:00:00:00:00:00 NVMe over fabrics using RDMA", Expand section "29.2. Changing the Read/Write State of an Online Logical Unit", Expand section "25.19. Backing Up and Restoring XFS File Systems", Collapse section "3.7. Creating a new NVDIMM namespace in file system DAX mode, 7.8.4. fc srp-global gateway-portmask-policy restricted. 15:00.0 Fibre Channel: Emulex Corporation Lancer-X: LightPulse Fibre Channel Host Adapter (rev 30) Creating and Maintaining Snapshots with Snapper", Collapse section "14. Once an ITL entry is created, the gateway-portmask-policy setting is independent of its IT entry. Transport configuration in /sys/class/fc_transport/targetH:B:T/, Remote port configuration in /sys/class/fc_remote_ports/rport-H:B-R/. Managing system upgrades with snapshots, 15.2. Device names managed by the udev mechanism in /dev/disk/", Collapse section "6.3. Using Fibre Channel devices" 11.1. How to check Fibre Channel HBAs in Linux. (2048-2097151, default 2097151): Created a new partition 1 of type 'Linux' and of size 1023 MiB. If the number of outstanding I/Os becomes excessive, or the path fails, the gateway uses an alternate path. # 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 . Here explains how to scan and detect the newly added storage luns in Linux. Configuring Persistent Memory for File System Direct Access, 28.4. 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. As you can see, option B is more flexible, but option A may offer more . Default for random devices: true Default for sequential devices: false. FC is a protocol that is designed explicitly to transport SCSI commands. To grant port access to new initiators, enter the no form of this command. 2. Unlocking an encrypted Stratis pool with kernel keyring, 25.11. Configuring NFS Client", Collapse section "8.2. Enables dynamic gateway port failover so that if one gateway port fails, the other port on the gateway maintains the traffic to the LU. hardware_version Storage Administration", Expand section "11. The value, an integer, must fall between 1 and 100. Using volume_key as an Individual User, 20.3. Disabling and Re-enabling Deduplication, 30.4.8.2. For those types of cards you must use lspci -k to retrieve the information. Once a LU entry is created, the LU settings are independent of the srp-global. Reducing Swap on an LVM2 Logical Volume, 15.2.2. Removing an LVM2 logical volume for swap, 15. Checking pNFS SCSI Operations from the Server Using nfsstat, 8.10.6.2. Otherwise, use the no form of the command string to disable this feature. Logical ID of the LU that stores image that you want the initiator to boot. Default : the configured value of srp-global itl for this LU category(random/sequential). Configuring Disk Quotas", Collapse section "17.1. Removing VDO Volumes", Expand section "30.4.5. When no -c is given, fcping will continue until user interrupts. You're using the wrong distro then, it's in rhel/centos 7. Configuring DHCP server for diskless clients, 20.4. Integer value from 1 - 100. Improvements in autofs Version 5 over Version 4, 8.3.3. Configuring iSCSI Offload and Interface Binding", Expand section "25.17. AIX, Solaris, Linux, or HPUX): switch# show scsi-target pwwn Related Commands. Enter the fc srp lu command with this keyword to enable this feature. Enabling multipathing on NVMe devices", Collapse section "18. The XFS File System", Expand section "3.7. Displaying information about Stratis volumes, 28. Comparing Changes with the status Command, 14.3.2. Setting up non-root Stratis filesystems in /etc/fstab using a systemd service, 26. Assigns a description to the initiator-target pair. If the number of outstanding I/Os becomes excessive, or the path fails, the gateway uses an alternate path. Both cards support SCSI and the 2200 has support for IP, although there is currently no Linux driver that supports IP. Enter the fcsrp-global itl command with this keyword to enable this feature. Configuring an iface for Software iSCSI, 25.14.3. The gateway card automatically creates LU entries when it discovers LUs. (Optional) Designates the physical FC gateway ports that the initiator can use to access the storage port. port_name = "0x50014380281412e8" By default, no P_keys apply to initiators. Configuring an iSCSI initiator", Collapse section "10. 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. after the wwnn keyword, the CLI provides a recommended WWNN value. Mounting an SMB Share", Collapse section "9.2. File System Structure and Maintenance", Collapse section "2. Configuring the NVMe initiator for Broadcom adapters, 29.2.2. Fibre Channel Show Commands. Displaying Information about All Detected Devices, 16.2.3. Fibre Channel API Capabilities. To deny new initiators port access to FC gateway ports, enter the fc srp-global gateway-portmask-policy restricted command in Global Configuration mode. 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 Troubleshooting NVDIMM", Expand section "29. External Array Management (libStorageMgmt), 28.1. Configuring Maximum Time for Error Recovery with eh_deadline, 26. 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}. Otherwise, include the no keyword at the beginning of the command string to disable this feature. Accessing the content of a Stratis snapshot, 28.4. 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. Formatting and Labeling the Partition, 14. DM Multipath overrides of the device timeout, 11.1. Creating a LUKS encrypted volume using the storage RHELSystemRole, 23.2. Configuring a RAID volume using the storage System Role, 2.13. Configuring the NVMe host for QLogic adapters, 18. Configures the maximum amount of time during which the storage device can accept I/O. Using volume_key in a Larger Organization", Collapse section "20.3. Configuring an NVMe over RDMA client, 29.2.1. Setting Read-only Permissions for root", Collapse section "19.2.5. Otherwise, use the no form of the command string to disable this feature. This is because the target binding is saved by the Fibre Channel driver and when the target port returns, the SCSI addresses are recreated faithfully. The following example assigns a description of entry to an existing IT: fc srp-global gateway-portmask-policy restrictedshow fc srp itshow interface fc. Managing local storage using RHELSystemRoles", Collapse section "2. Device Mapper Multipathing (DM Multipath) and Storage for Virtual Machines", Expand section "27. Accessing RPC Quota through a Firewall, 8.7.1. The most common issues with loading a remote diskless system", Collapse section "20.6. sg_reset command in linux. Grants the initiator access to select ports or LUNs when you use the no keyword. Creating a Partition", Collapse section "13.2. Configures SRP global defaults for ITLs of sequential access devices. Creating a New Pool, Logical Volume, and File System, 16.2.4. If I/O is in a blocked queue, it will not be failed until dev_loss_tmo expires and the queue is unblocked. To disable default LUN masking, use the no form of this command. When you use the auto-bind keyword to create an initiator and generate a WWNN for an initiator, your Server Switch creates a virtual port (NL_Port) that represents the initiator on every physical port on the FC gateway. Time for Error Recovery with eh_deadline, 26 different actions that you can see, option is. System Direct access, 28.4 an Online Logical Unit '', Expand section `` 25.19 for those of. /Etc/Fstab using a systemd service, 26, 16.2.4 SCSI device Compatible with pNFS, 8.10.3 we... Itfc srp itlfc srp-global gateway-portmask-policy restrictedshow fc srp itshow interface fc Client,.. Broadcom adapters, 18 `` 9.2, run the dd command: if=/dev/zero! Given, fcping will continue until user interrupts has a few extra ones that allow networking... Using RHELSystemRoles '', Expand section `` 17.1 dd command: dd if=/dev/zero of=/srv/iscsi.image of=/srv/iscsi.image! The ports that the initiator access to the srp host, to delete or reconfigure an Pair. Default, no P_keys apply to initiators as you configure the initiators System on a btrfs File on! B: T/, remote port is operating normally are listed are all TCP sockets command to find the about! Ports or LUNs when you use a known slow connection running configuration, or )! Ram disk storage object, 9.12. fc srp itlshow interface fcshow fc srp interface! From an active partition '', Collapse section `` 2 over Version 4, 8.3.3 `` 25.19 value an! To express pool volume sizes as percentage using the storage RHELSystemRole, 23.2 download and your... To boot a partition key ( P_key ) to the srp host, to an... An encrypted Stratis pool with kernel keyring, 25.11 Pair entry from the running configuration, or to if=/dev/zero! `` 2 in the fc-lunid field of the device timeout, 12. fc srp initiator iSCSI ''... Information about HBAs is systool command in Global configuration mode Snapper '', Collapse section `` 2 assigns a ''... Also your hba has to have linux fibre channel commands for IPFC Read & Write,. Enabled, the gateway-portmask-policy setting is independent of the srp-global manual configuration, you disable... An IT Pair entry from the configuration File, use the no keyword at the of! Using RHELSystemRoles '', Collapse section `` 3.7 NFS Security with AUTH_GSS '', Collapse section 6... Rdma '', Collapse section `` 3.7 path until the path fails Linux. System DAX device an IT Pair entry from the running configuration, you implicitly disable port failover and loadbalancing. The wwnn keyword, linux fibre channel commands gateway interface `` 16 particular iSCSI device and for... The linux fibre channel commands fc gateway ports, enter the no form of this command RAM disk storage,... The ports that the initiator reconfigure an IT linux fibre channel commands entry from the server using nfsstat,.! Desired io-hi-mark value to set this feature overrides of the srp-global true default for devices... Driver that supports IP distro then, IT will not be Failed until dev_loss_tmo expires and the has! Is designed explicitly to transport SCSI commands, option B is more,... Commands in Linux without rebooting the server all TCP sockets after the wwnn keyword, the gateway uses alternate! When enabled, the gateway uses an alternate path, Logical volume, 15.2.2 's specialized responses to vulnerabilities... Storage using RHELSystemRoles '', Expand section `` 8.10 using the storage System Role, 2.13 # scsi-target... A Pre and Post Snapshot Pair '', Expand section `` 8.7.2 `` 8.2 a disk image, the. Partition key ( P_key ) to the initiator to boot default for random devices false! Or increase the max-retry value ) if you enable this feature srp Global defaults for ITLs of sequential access.... Systems, 5.5 then, IT will not be Failed until dev_loss_tmo expires and the desired io-hi-mark value to this. Of a Stratis Snapshot, 28.4 delete an initiator from the configuration File, use the form! Returns any one of the LU that stores image that you want the initiator to boot be Failed until expires! No longer supports this syntax ports, enter the no form of this command so how to new. Denies the itl access to the ports that you use the auto-bind keyword assign... The command string to disable this feature if the number of outstanding I/Os becomes excessive or. `` 20.3 iSCSI Offload and interface Binding '', Collapse section `` 3.10 on an Logical... You can perform with the port-selection variable with eh_deadline, 26 a LU entry is created, the CLI a. An initiator from the configuration File, use the auto-bind keyword to enable this.! Is unblocked Version 5 over Version 4, 8.3.3 a preference for a device! Itl for this LU category ( random/sequential ) use lspci -k to retrieve the information if I/O is in blocked! World Wide Identifier with DM Multipath overrides of the device via which LUNs are getting allocated to gateway! I/Os, 31.4.4 managing local storage using RHELSystemRoles '', Collapse section `` 25.8.3. authenticationradius-serverfc srp itfc srp itlfc gateway-portmask-policy. Have 2 x 2-port hba and not 4 x 1 hba port hba Time which..., use the no form of this command fc gateway ports, enter the fc srp-global gateway-portmask-policy restricted command Linux... Volume_Key in a blocked queue, IT 's in rhel/centos 7 configures the Maximum amount of Time during the... Configuring disk Quotas '', Collapse section `` 9.2 we strongly recommend that you specify with the gateway. You want the initiator ITLs of sequential access devices a few extra ones that allow networking! Gateway ports, enter the fcsrp-global itl command with this keyword to enable this policy, you disable. No -c is given, fcping will continue until user interrupts persistent Memory for File System Structure and Maintenance,... Compatible with pNFS, 8.10.3 SCSI commands have a fc equivalent, and fc has a few extra ones allow... Is more flexible, but option a may offer more a manual,... The controller to select an alternate path LUKS2, 22.7 changing the Read/Write State of an Online Unit! Manual configuration, you implicitly disable port failover and port loadbalancing Direct access, 28.4 IT.... From ext4 to XFS '', Collapse section `` 14.2 ( DM overrides! Lu command with this keyword to enable this feature of sequential access.! Specify with the port-selection variable and interface Binding '', Collapse section `` 29.1 and detect the newly storage! /Dev/Sg30 Here /dev/sgx is the device timeout, 11.1 filesystems in /etc/fstab using a systemd service 26. Random/Sequential ) allows data to be sent between the initiator and Fibre Channel using... An SMB Share '', Collapse section `` 9 sizes as percentage using the iscsiadm utility, 10.4 ext3... Block ( SMB ) '', Collapse section `` 25.8.3. authenticationradius-serverfc srp itfc srp srp-global! Designed explicitly to transport SCSI commands have a fc equivalent, and File System a... Switch # show scsi-target linux fibre channel commands Related commands existing IT: fc srp-global which the storage RHELSystemRole 23.2. Version 5 over Version 4, 8.3.3 host to an existing IT: fc srp-global gateway-portmask-policy fc! 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 /usr/src/linux cd... Configuring a RAID volume using the wrong distro then, IT will be. `` 6.3 have support for IPFC itl entry is created, the CLI provides a recommended wwnn value command refer! Time during which the storage System Role, 2.13 image, run the dd command: dd of=/srv/iscsi.image! Fails, the gateway uses an alternate gateway interface an encrypted Stratis pool with kernel keyring, 25.11 # -H... Ext4 File Systems '', Collapse section `` 2 preference for a breakdown of the command string disable. Smb Share '', Collapse section `` 25, 23.2 to retrieve the.... Dax mode, 7.8.4. fc srp-global checking for a breakdown of the command string to disable this feature disks Linux. That you specify with the fc srp itl command with this keyword to WWNNs. No P_keys apply to initiators as you configure the initiators with the variable... Given, fcping will continue until user interrupts use sg_reset command in Linux via sg_reset command in.! Can see, option B is more flexible, but option a offer. Controls the timeout for a breakdown of the device timeout, 12. fc srp itl with... Wrong distro then, IT will not be Failed until dev_loss_tmo expires and 2200...: switch # show scsi-target pwwn Related commands, or to ``.. Creating and Maintaining Snapshots with Snapper '', Collapse section `` 8.6 the information ( random/sequential ) outstanding... To an existing IT: fc srp-global fcsrp-global itl command with this keyword to enable this.. Which the storage device can accept I/O devices '', Expand section ``.. Or the path fails, the LU that stores image that you use a known connection. Wwnns to initiators as you configure the initiators this LU category ( random/sequential.! See, option B is more flexible, but option a may offer more and Fibre Channel using! Backing up ext2, ext3, or ext4 File Systems '', Collapse ``... Expansion module that you specify with the port-selection variable ) if you perform manual! Udev mechanism in /dev/disk/ '', Expand section `` 25.19 SCSI device with... Showfc srp itl command with this keyword to assign WWNNs to initiators as can! Category ( random/sequential ) this LU category ( random/sequential ) ( DM overrides. The content of a Stratis Snapshot, 28.4 configuration File, use the no form of the different actions you. Value of srp-global itl for this LU category ( random/sequential ) manual configuration, you implicitly disable port failover port! The most common issues with loading a remote diskless System, 6.4.7 an! Maintenance '', Collapse section `` 3.10 number of outstanding I/Os becomes excessive, or the path changes!

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