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PowerVault (Dell MD1400) Setup Guide

Summary of Contents for PowerVault MD1400

Page 1: ...PowerVault Dell MD1400 Setup Guide ...

Page 2: ...roperty rights thereto is hereby transferred Any unauthorized use or reproduction of this software and the documentation may be subject to civil and or criminal liability This software is subject to change without notice and should not be construed as a commitment by Dell Third Party Licenses This product may include software developed by parties other than RSA The text of the license agreements a...

Page 3: ...hysical Host 12 Connect a PowerVault to a Hybrid 20 Run the PowerVault Installation Scripts on the Decoder Log Decoder Concentrator or Archiver 22 Run the PowerVault Installation Scripts on a Hybrid 25 Restart the Service 28 Task 4 Conditional License Host Services 29 Install PowerVault with Encryption on a Series 6 R640 Host 30 Enclosure Options for Encryption 30 Minimum NetWitness Platform Softw...

Page 4: ...der Hosts 44 Connect External Storage Devices to Series 5 R630 44 Connect External Storage Devices to Series 6 R640 46 Run the External Storage Script on the Decoder Log Decoder or Archiver 48 Restart the Service 55 Install PowerVault on Core Appliance Used as a Hybrid 56 Prerequisites 56 Introduction 57 High Level Procedure 57 NetWitness Platform 11 3 and Later 57 NetWitness Platform 11 2 and Ear...

Page 5: ...Platform 11 2 and earlier For NetWitness Platform 11 3 and later use the hardware connection information in this guide but refer to Storage Guide for RSA NetWitness Platform Version 11 3 and later for instructions on how to allocate storage for your hardware Caution If you are adding a previously used PowerVault and would like to preserve the data DO NOT follow the instructions in this guide Conta...

Page 6: ...Host SKU Description Specification Decoder Archiver NW PVHD72 NetWitness PowerVault High Density 72TB DellStorage MD1400 12HDs 3 5 Rackmount 2Us 12x6TB NLSAS Decoder Archiver NW PVHD144 NetWitness PowerVault High Density 144TB DellStorage MD1400 12HDs 3 5 Rackmount 2Us 12x12TB NL SAS Decoder Archiver NW PVHDE96 NetWitness PowerVault High Density 96TB SED Self Encrypted Drives DellStorage MD1400 12...

Page 7: ...ncluded with the PowerVault The Dell Storage MD1400 Enclosures Hardware Owner s Manual http topics cdn dell com pdf storage md1400 dsms_ owners manual_en us pdf contains detailed instruction on all the optional setups you can implement with PowerVault to address the needs of your environment Note The PowerVault comes with four SAS cables You only need one cable to connect the PowerVault to a Serie...

Page 8: ...sy chain using the rest of the ports if you have multiple PowerVaults connected to a Series 5 or 6 host 2 Power Input Connections Mini to Mini SAS Cable Connector Both connectors are the same on the Mini to Mini SAS cable The following figures shows one mini connector Note You must insert the cable correctly at both ends with the correct side up If you have done this correctly you hear a click and...

Page 9: ...RAC Refer to the Monitoring network devices using web interface and Monitoring network devices using RACADM sections of the Integrated Dell Remote Access Controller 8 7 Version 2 60 60 60 User s Guide https topics cdn dell com pdf idrac7 8 lifecycle controller v2606060_users guide_en us pdf for information on how to monitor network devices through IDRAC 9 Hardware Description ...

Page 10: ...as root on the physical hosts and run the following command rpm qa grep sa tools Results example l For 11 x rsa sa tools 11 2 1 0 1901070555 5 d1d4cb3 el7 noarch rpm l For 10 6 6 x rsa sa tools 10 6 6 1 199 5 47209f4 el6 noarch rpm This RPM is updated quarterly Contact RSA Customer Support to obtain the most recent version l RSA NetWitness Platform The minimum version is 10 6 6 0 licensed only The...

Page 11: ...mediately the table NetWitness Platform 11 3 and Later Deployment Scen ario Tasks Concentrator Archiver Decoder and Log Decoder Multiple Power Vaults 1 Connect the PowerVaults to the physical host before powering on the physical host as described in Connect PowerVaults to a Concentrator Archiver Decoder or Log Decoder Physical Host 2 Follow the instructions in the Storage Guide for RSA NetWitness ...

Page 12: ...SA physical hosts Hybrid 1 Connect the PowerVault to the physical host before powering on the physical host as described in Connect a PowerVault to a Hybrid 2 Run the NwArrayConfig py script as described in Run the PowerVault Installation Scripts on a Hybrid 3 Restart the services for this host as described in Restart the Service 4 License the services for this host if they are not already license...

Page 13: ...al host For RSA Series 5 physical hosts use a cable with the mini SAS connector 1 Ensure that the physical host is powered off 2 Connect one end of the SAS cable to the left port of the RAID controller on the back of the Concentrator Archiver Decoder or Log Decoder physical host 3 Connect the other end of the SAS cable to the PowerVault unit When you connect the first PowerVault to the RAID contro...

Page 14: ...means that l Port 0 is on the left and port 1 is on the right on the R730 l You must attach the cable to the R730 with the connector s blue tab on the top l You must attach the other end the cable to the PowerVault with the connector s blue tab on the top l You know if the cable is properly connected when you hear a click as the cable locks into place and see the green port light illuminate on the...

Page 15: ...slot 1 This means that l Port 0 is on the left and port 1 is on the right on the R640 l You must attach the cable to the R640 with the connector s blue tab on the top l You must attach the other end the cable to the PowerVault with the connector s blue tab on the top l You know if the cable is properly connected when you hear a click as the cable locks into place and see the green port light illum...

Page 16: ... This means that l Port 0 is on the right and port 1 is on the left on the R740 l You must attach the cable to the R740 with the connector s blue tab on the bottom as shown in the following picture l You must attach the other end the cable to the PowerVault with the connector s blue tab on the top l You know if the cable is properly connected when you hear a click as the cable locks into place and...

Page 17: ...y Port 1 of the first PowerVault to Port 0 of the Decoder RAID controller l Daisy chain up to three additional PowerVaults to the first PowerVault The following figure shows you how to connect eight PowerVaults to an RSA Series 5 and Series 6 physical hosts Series 5 R630 Attached to Eight PowerVaults 17 Install PowerVault without Encryption ...

Page 18: ...Dell MD1400 Setup Guide Series 5 R730 Hybrid Attached to Eight PowerVaults Series 6 R640 Attached to Eight PowerVaults Series 6 R740xd Hybrid Attached to Eight PowerVaults Install PowerVault without Encryption 18 ...

Page 19: ...stalled in slot 4 inverted upside down in this slot This means that Port 0 is on the right and port 1 is on the left on the R740 5 When you finish the cabling ensure that the PowerVault is powered on and then power on the physical host 19 Install PowerVault without Encryption ...

Page 20: ...er or Log Decoder Physical Host procedure above and connect the RSA Series Series 6 Hybrid physical host to only one PowerVault To connect a PowerVault to a Hybrid physical host 1 Ensure that the physical host is powered off 2 Connect one end of the mini to mini SAS cable to the Port 0 of the RAID controller on the back of the Series 5 Hybrid physical host 3 Connect the other end of the mini to mi...

Page 21: ...werVault Dell MD1400 Setup Guide Series 6 R740xd Hybrid 4 When you finish the cabling ensure that the PowerVault is powered on and then power on the physical host 21 Install PowerVault without Encryption ...

Page 22: ...Change the directory to the rsa sa tools RPM base directory cd opt rsa saTools 3 Execute the following command nwraidutil pl 4 Important Check the results and resolve ALL conditions before running the script Ensure that there are no foreign configurations and no drives with an Unconfigured bad state on the PowerVault drives Adapter 1 PERCH810 Adapter enclosures found 2 Adapter 1 PERCH810 Adapter e...

Page 23: ...ut you only see slots 0 11 it means that slot 12 is bad and cannot be seen by the RAID controller Contact RSA Customer Support before running the script because an RMA may be necessary 5 To run the NwArrayConfig py script using the default parameters use one of the following commands For RSA NetWitness Platform versions 10 6 6 0 or later run the following command NwArrayConfig py For RSA NetWitnes...

Page 24: ...s df hP grep decoder concentrator archiver Filesystem The following is an example of the results that are displayed on a Decoder c Ensure that there is an entry for each PowerVault added An individual packetdb metadb and sessiondb is created for each PowerVault where is the number associated with the PowerVault in the order it was added For the first PowerVault that you add is blank and does not h...

Page 25: ...ripts on a Hybrid This procedure only applies to NetWitness Platform 11 2 and earlier Note For NetWitness Platform 11 3 and later refer to Storage Guide for RSA NetWitness Platform Version 11 3 and later for instructions on how to allocate storage for your hardware Caution After configuring the PowerVault the first time for a service there is a possibility of background RAID initialization running...

Page 26: ...ive is in a foreign state it shows F in the State column If a drive is in a bad state it shows B in the State column A PowerVault that has never been used before should show U for unconfigured b Ensure that the number of drives listed in the results equals 12 The following example lines from the results show the correct number of drives Adapter 1 PERCH810 Adapter enclosures found 1 Adapter 1 PERCH...

Page 27: ...Ensure that the script did not produce any errors by viewing the opt rsa saTools arrayCfg log file more opt rsa saTools arrayCfg log b Run the following command to verify the new sizes of the databases df hP grep decoder concentrator Filesystem The following is an example of the results that are displayed for a Hybrid Network Decoder c Ensure that there is an entry for the added PowerVault An indi...

Page 28: ...centrator or Archiver service which is aggregating it is recommended to stop aggregation before restarting these services to allow the indexes in memory to be saved to disk 1 To restart the service run the following commands using the appropriate service name for your service For RSA NetWitness Platform versions 10 6 6 0 or later stop nwdecoder nwarchiver nwconcentrator nwlogdecoder Wait until thi...

Page 29: ...t Services License host services if not already licensed Refer to the Licensing Guide available through the application Help option and RSA Link at https community rsa com docs DOC 40370 for instructions on licensing RSA hosts 29 Install PowerVault without Encryption ...

Page 30: ...erVault High Density 96TB SED Self Encrypted Drives DellStorage MD1400 12HDs 3 5 Rackmount 2Us 12x8TB NL SAS SED Concentrator NW PVHPE78 NetWitness PowerVault High Performance 78TB SED Self Encrypted Drives DellStorage MD1400 12HDs 3 5 Rackmount 2Us 9x8TB NLSAS SED 3x1 92TB SSD SED Minimum NetWitness Platform Software Versions For RSA NetWitness Platform Software 11 x the minimum version is 11 2 0...

Page 31: ...orage for your hardware NetWitness Platform 11 2 and Earlier Deployment Scenario Tasks Concentrator Archiver or Network Decoder to Mul tiple PowerVaults 1 Connect the PowerVaults to the host before powering on the host as described in Task 1 Connect PowerVaults to an Archiver Concentrator or Network Decoder Host 2 Run the NwArrayConfig py script as described in Task 2 Run the PowerVault Installati...

Page 32: ... the PD Profile 1 Enter the DELL PERC 10 Configuration Utility See Navigating to Dell PERC 10 configuration utility 2 Click Main Menu Controller Management Advanced Controller Properties Profile Management Current profile and profile properties are displayed 3 Change profile using the Choose Profile option 4 Select Set Profile Click Reboot The PowerVault comes with four SAS cables You only need on...

Page 33: ...o the RAID controller make sure that you insert the cable into the Primary SAS port on the PowerVault as shown in the following figure The following figure shows an RSA Series 6 R640 host port 0 connected to a PowerVault port 1 in top row of ports using a mini to mini SAS cable 33 Install PowerVault with Encryption on a Series 6 R640 Host ...

Page 34: ... host and daisy chain PowerVaults two three and four to the first PowerVault 5 When you finish the cabling ensure that the PowerVault is powered on and then power on the host Task 2 Run the PowerVault Installation Scripts on the Archiver Concentrator or Network Decoder This procedure only applies to NetWitness Platform 11 2 and earlier Note For NetWitness Platform 11 3 and later refer to Storage G...

Page 35: ...following command rpm qa grep rsa sa tools Results example rsa sa tools 11 2 0 0 1808301802 5 941817f noarch If the package is not installed contact RSA Customer Support to obtain a copy of the RPM and install it 2 Change the directory to the rsa sa tools RPM base directory cd opt rsa saTools 3 Execute the following command nwraidutil pl 4 Important Check the results and resolve ALL conditions bef...

Page 36: ...m versions 11 2 0 0 1808301802 5 941817f or later run the following command NwArrayConfig py root P hostname saTools This script discovers all available PowerVaults creates all the necessary virtual drives logical volumes and the directory structure and writes the debug messages to opt rsa saTools arrayCfg log On Network Decoder hosts this script adds the database types of packetdb metadb and sess...

Page 37: ...prompt is displayed Please re enter passphrase again for validation 8 Type the passphrase again for example nFreDaW 792 and press Enter The following output and prompt is displayed Enter an optional ID string for the security key less than 256 characters or press Enter for none 9 Press Enter if you do not want an optional ID string The following output and prompt is displayed The Passphrase for th...

Page 38: ...tion for this device The following output and prompt is displayed Creating new volume group decodersmall0 on dev sde Volume group decodersmall0 successfully created Creating new volume group decoder0 on dev sde Volume group decoder0 successfully created Additional enclosures available Rerunning to add additional storage The enclosure DEL MD1400 ID 73 supports encryption enable encryption for this ...

Page 39: ...encryption enable encryption for this device y n Success Added all available storage found The decoder service will need to be restarted for the extended storage to be available 14 Verify the results a Make sure that the script did not produce any errors by viewing the opt rsa saTools arrayCfg log file more opt rsa saTools arrayCfg log b Run the following command to verify the new sizes of the dat...

Page 40: ...ket dir meta dir and session dir as applicable to your service Compare the output of the df hP command to the database config values shown in NetWitness Platform Make sure that there is an entry for each PowerVault added and the size of the db for each service is as follows var netwitness decoder packetdb n where n is similar to the size of the new storage Task 3 Restart the Service You must resta...

Page 41: ...green b Select the service and then select View System c If you see the Start Capture or Start Aggregation icon in the toolbar click the icon to start it Task 4 Conditional License Host Services License host services if not already licensed Refer to the Licensing Guide available through the application Help option and RSA Link at https community rsa com docs DOC 40370 for instructions on licensing...

Page 42: ...tness Platform Software Versions For RSA NetWitness Platform Software 11 x the minimum version is 11 2 0 0 1808301802 5 941817f For RSA NetWitness Platform Software 10 6 x the minimum version is 10 6 6 1 199 5 47209f4 Caution If you are adding a previously used external storage device and would like to preserve the data DO NOT follow the instructions in this guide Contact RSA Customer Support Runn...

Page 43: ...itness Platform 11 2 and Earlier Deployment Scen ario Tasks Archiver Decoder and Log Decoder two PowerVaults and two 15 Drive DACs 1 Connect the PowerVaults and 15 Drive DACs to the host before powering on the host as described in Connect External Storage Devices to an Archiver Decoder or Log Decoder Host 2 Run the NwArrayConfig py script as described in Run the External Storage Installation Scrip...

Page 44: ...Note A PowerVault requires a mini to mini SAS cable as described in Mini to Mini SAS Cable Connector A DAC requires a mini to SAS connector DAC comes with 4 of these cables Connect External Storage Devices to Series 5 R630 1 Ensure that the host is powered off 2 Connect one end of the SAS cables to the ports of the RAID controller on the back of the Archiver Decoder or Log Decoder host Install Pow...

Page 45: ...aults to the first PowerVault using mini to mini SAS cables c Connect the Primary Port 1 of the first 15 Drive DAC to Port 0 of the PERC Card on the right the using mini to SAS cables d Daisy chain up to three additional 15 Drive DACs to the first 15 Drive DAC using mini to SAS cables The following figure shows an RSA Series 5 R630 host connected to four PowerVaults and four 15 Drive DACs 45 Insta...

Page 46: ...the PowerVault ports are green l Make sure that you have a live connection to the 15 Drive DACs l Make sure that the green light next to the Port 0 of the right Card on the RSA Series 5 is green l Make sure that the blue lights next to the 15 Drive DACs are blue Connect External Storage Devices to Series 6 R640 1 Ensure that the host is powered off 2 Connect one end of the SAS cables to the ports ...

Page 47: ... shows an RSA Series 6 R640 host connected to four PowerVaults and two 15 Drive DACs 4 When you finish the cabling make sure that the external storage devices are powered on and then power on the host l Make sure that you have a live connection to PowerVaults l Make sure that the green light next to the Port 0 of the left PERC Card on the RSA Series 6 host is green l Make sure that the green light...

Page 48: ...ls package is installed by running the following command rpm qa grep rsa sa tools Results example for 11 2 0 0 1808301802 5 941817f rsa sa tools 11 2 0 0 1808301802 5 941817f el7 noarch Results example for 10 6 6 1 199 5 47209f4 rsa sa tools 10 6 6 1 199 5 47209f4 el6 noarch If the package is not installed contact RSA Customer Support to obtain a copy of the RPM and install it 2 Change the directo...

Page 49: ...1 O 0 10 692 TB HGST HUH721212AL5200 NS018DGZ2GXH Adapter 1 PERC H830 Adapter enclosure 13 slots found 12 Encl Slot State P Fail Count Raw Size Inquiry Data 13 0 O 0 10 692 TB HGST HUH721212AL5200 NS018DGT6G3D 13 1 O 0 10 692 TB HGST HUH721212AL5200 NS018DGT6J6D 13 2 O 0 10 692 TB HGST HUH721212AL5200 NS018DGT6EWD 13 3 O 0 10 692 TB HGST HUH721212AL5200 NS018DGT6EBD 13 4 O 0 10 692 TB HGST HUH7212...

Page 50: ...728 TB HITACHI HUS72604CLAR3000N9C0K4KE4W0B 41 5 O 0 2 728 TB HITACHI HUS72604CLAR3000N9C0K4KDUAZB 41 7 O 0 2 728 TB HITACHI HUS72604CLAR3000N9C0K4KEGW7B 41 8 O 0 2 728 TB HITACHI HUS72604CLAR3000N9C0K4KE8PZB 41 9 O 0 2 728 TB HITACHI US72604CLAR3000N9C0K4KDWPJB 41 10 O 0 2 728 TB HITACHI HUS72604CLAR3000N9C0K4KDT26B 41 11 O 0 2 728 TB HITACHI HUS72604CLAR3000N9C0K4KDYY0B 41 12 O 0 2 728 TB HITACH...

Page 51: ... O 0 3 638 TB SEAGATE STMFSND2CLAR4000BS03ZC14LPYN 74 2 O 0 3 638 TB SEAGATE STMFSND2CLAR4000BS03ZC14LP45 74 3 O 0 3 638 TB SEAGATE STMFSND2CLAR4000BS03ZC14LX7F 74 4 O 0 3 638 TB SEAGATE STMFSND2CLAR4000BS03ZC14FYWJ 74 5 O 0 3 638 TB SEAGATE STMFSND2CLAR4000BS03ZC14LXNP 74 6 O 0 3 638 TB SEAGATE STMFSND2CLAR4000BS03ZC14LPJ9 74 7 O 0 3 638 TB SEAGATE STMFSND2CLAR4000BS03ZC14LNRZ 74 8 O 0 3 638 TB S...

Page 52: ...5 941817f and later run the following command OWB_ALLOW_NON_FIPS 1 NwArrayConfig py root P hostname saTools This script discovers all available PowerVaults creates all the necessary virtual drives logical volumes and the directory structure and writes the debug messages to opt rsa saTools arrayCfg log On a Log Decoder and Network Decoder host this script adds the database types of packetdb metadb ...

Page 53: ...ample of the output 6 Verify the results a Ensure that the script did not produce any errors by viewing the opt rsa saTools arrayCfg log file more opt rsa saTools arrayCfg log 53 Install PowerVaults and 15 Drive DACs on a Series 5 or Series 6 Host Mixed Mode ...

Page 54: ...tached Write this value down so that you can verify it in the user interface d Log in to RSA NetWitness Platform and go to Administration Services or ADMIN Services The Administration Services view is displayed e Select the appropriate service and then select View Explore f Expand the database folder and select the config folder g Look at packet dir meta dir and session dir as applicable to your s...

Page 55: ...ice For RSA NetWitness Platform versions 10 6 6 1 199 5 47209f4 or later stop nwdecoder nwarchiver nwconcentrator nwlogdecoder Wait until this completes start nwdecoder nwarchiver nwconcentrator nwlogdecoder For RSA NetWitness Platform 11 2 0 0 1808301802 5 941817f and later service nwdecoder nwarchiver nwconcentrator nwlogdecoder stop Wait until this completes service nwdecoder nwarchiver nwconce...

Page 56: ...ware rsa sa tools rsa sa tools 11 x x x build information el7 noarch rpm or later which contains the script you need to configure the storage For RSA NetWitness Platform 11 3 and later use the version shipped with the product To verify the rsa sa tools version log in as root on the physical hosts and run the following command rpm qa grep sa tools Results example rsa sa tools 11 x x x build informa...

Page 57: ...deployment High Level Procedure NetWitness Platform 11 3 and Later Deployment Scenario Tasks Log Hybrid or Network Hybrid Running on Core Appliance 1 Connect a Concentrator PowerVault NW PVHP56 NW PVHP113 or NW PVHPE78 to an R630 or R640 the physical host before powering on the physical host as described in Install PowerVault on Core Appliance Used as a Hybrid 2 Follow the instructions in the Stor...

Page 58: ...Core Appliance Used as a Hybrid 2 Run the NwArrayConfig py script as described in Run the PowerVault Installation Scripts on an R603 or R640 Used as a Hybrid 3 Restart the services for this host as described in Restart the Services 4 License the services for this host if they are not already licensed Refer to the Licensing Guide available through the application Help option and RSA Link at https c...

Page 59: ...ault however this is not set from factory To set the PD Profile 1 Enter the DELL PERC 10 Configuration Utility See Navigating to Dell PERC 10 configuration utility 2 Click Main Menu Controller Management Advanced Controller Properties Profile Management Current profile and profile properties are displayed 3 Change profile using the Choose Profile option 4 Select Set Profile Click Reboot 2 The Powe...

Page 60: ...t l Port 0 is on the left and port 1 is on the right on the R630 l You must attach the cable to the R630 with the connector s blue tab on the top l You must attach the other end the cable to the PowerVault with the connector s blue tab on the top l You know if the cable is properly connected when you hear a click as the cable locks into place and see the green port light illuminate on the R630 Ins...

Page 61: ...eans that l Port 0 is on the left and port 1 is on the right on the R640 l You must attach the cable to the R640 with the connector s blue tab on the top l You must attach the other end the cable to the PowerVault with the connector s blue tab on the top l You know if the cable is properly connected when you hear a click as the cable locks into place and see the green port light illuminate on the ...

Page 62: ...ain up to three additional PowerVaults to the first PowerVault The following figure shows you how to connect eight PowerVaults to an RSA Series 5 and Series 6 physical hosts Series 5 R630 Attached to Eight PowerVaults Series 6 R640 Attached to Eight PowerVaults 5 When you finish the cabling make sure that the PowerVault is powered on and then power on the physical host Install PowerVault on Core A...

Page 63: ...e package is not installed contact RSA Customer Support to obtain a copy of the RPM and install it 2 Change the directory to the rsa sa tools RPM base directory cd opt rsa saTools 3 Execute the following command nwraidutil pl 4 Important Check the results and resolve ALL conditions before running the script Ensure that there are no foreign configurations and no drives with an Unconfigured bad stat...

Page 64: ...pear numerically in the nwraidutil output It is possible that a bad drive may not show up at all in the output You will see a jump in the Slot count For example if the enclosure has 12 drives but you only see slots 0 11 it means that slot 12 is bad and cannot be seen by the RAID controller Contact RSA Customer Support before running the script because an RMA may be necessary 5 To run the NwArrayCo...

Page 65: ...ing is an example of the output Checksum type md5 disabled Creating new volume group decodersmall on dev sdc Volume group decodersmall successfully created Creating new volume group decoder on dev sdd Volume group decoder successfully created Additional enclosures available Rerunning to add additional storage Creating new volume group decodersmall0 on dev sde Volume group decodersmall0 successfull...

Page 66: ...in to RSA NetWitness Platform and go to Administration Services or ADMIN Services The Administration Services view is displayed e Select the appropriate service and then select View Explore f Expand the database folder and select the config folder g Look at packet dir meta dir and session dir as applicable to your service Compare the output of the df hP command to the database config values shown ...

Page 67: ...k 1 To restart the service run the following commands using the appropriate service name for your service l For Log Hybrid service nwlogcollector nwlogdecoder nwconcentrator stop Wait until this completes service nwlogcollector nwlogdecoder nwconcentrator start l For Network Hybrid service nwdecoder nwconcentrator stop Wait until this completes service nwdecoder nwconcentrator start 2 Make sure th...

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