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NEC
M110/M310 Disk Array
Configuration Guide
Rev.1.2
21 May 2015
Information of disclosure and limitation of usage
NEC Corporation has all the rights about this material. You can not use this
material for any purposes other than provided purpose. In addition, you can not
duplicate, modify and disclose this material to any third party without
permission of NEC Corporation. Meanwhile, we may change the contents of
this guide without notice in the future.
NEC Corporation

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   Summary of Contents for NEC M310

  • Page 1

    21 May 2015 Information of disclosure and limitation of usage NEC Corporation has all the rights about this material. You can not use this material for any purposes other than provided purpose. In addition, you can not duplicate, modify and disclose this material to any third party without permission of NEC Corporation.

  • Page 2

    Support SAS Disk Drive (2.5” 10krpm/1.8TB) *1 Support SAS SSD (2.5” 200GB, 3.5” 200GB) *1 Support NL-SAS Disk Drive (3.5” 7.2krpm/6TB) *1 *1 Storage Control Software Revision 0920 or above, and NEC StorageManager Ver9.2 or above are required. NEC Confidential...

  • Page 3: Table Of Contents

    Table of Contents 1. Specifications ……….………………………………………………………….. 2. Component Selection M110 Component Selection .………………………………………………... – M310 Component Selection .………………………………………………... 30 – 3. Rack Guide ……………………………………………………………………... 4. Disk Drive ….……………………………………………………………………. 5. Functions ……………………………………………….……………………….. 54 Appendix: Dynamic Pool Capacity List ..……………………………… Excel sheet...

  • Page 4: Specifications

    *1 Support disk encryption for SAS 2.5" 600GB(15krpm), SAS 2.5" 600GB(10krpm), NL-SAS 4TB(7.2krpm), SSD 2.5" 200GB, and SSD 3.5" 200GB.[Not supported in China] *2 Available to Hot swap,drive failure detection and rebuild *3 Refer to P.26 Component Selection(21) [CAUTION:The Number of Disk Enclosures] *4 See Support matrix for detailed information NEC Confidential...

  • Page 5

    1. Specifications <M310> Item M310 2.5" HDD: Max. 24 HDDs per controller or disk enclosure unit. 3.5" HDD: Max. 12 HDDs per controller or disk enclosure unit. 2.5" HDD: Max. 480 HDDs supported. Chassis configuration 3.5" HDD: Max. 240 HDDs supported.

  • Page 6: M110 Component Selection

    M110 Component Selection NEC Confidential...

  • Page 7

    2. M110 Component Selection (1) n Structure M110 Disk Array is a compact and entry level disk storage system in NEC Storage M-Series. M110 has the following host interfaces: 8/16Gb FC, 1/10Gb iSCSI, 12Gb SAS, Combo(FC and iSCSI). M110 base units support 24x 2.5” drives and 12x 3.5” drives per 2U chassis. Disk enclosures can include a mix of SAS disk drives, Nearline SAS disk drives and SAS SSD.

  • Page 8

    NL-SAS HDD/SAS SSD Switch Base Unit DISK Port DISK Port DE#01 Disk Enclosure Power Power Switch NL-SAS HDD/SAS SSD Switch DE#09 Disk Enclosure Power Power Switch 電源 NL-SAS HDD/SAS SSD 電源 Switch Refer to “The Number of Disk Enclosures” NEC Confidential...

  • Page 9

    Steps for Expansion Add Server (1)Select Model of / HBA / NIC/ (2)Host Port Card Disk Array Unit SAS Controller Expand Disk (3)Select Disk Drive (4)Select Disk Enclosure (7)Select Rack Capacity (5)Select Dummy HDD (6)Select Front Bezel NEC Confidential...

  • Page 10

    Ø Refer to M110 Component Selection (2-4): Dual availability are required. Controller vs. Single Controller Choose Single Controller Configuration (Controller Card x (4) Low cost is required. Ø Refer to M110 Component Selection (2-4): Dual Controller vs. Single Controller NEC Confidential...

  • Page 11

    (2-1) Base Unit a) Dual controller Model Number Product Name Remarks Accessories • Power supply unit • NEC Storage Rack Mount Kit M110 Disk Array Unit AC 100-240V • List of accessories NF5322-SR01E (2.5“) • 24 x 2.5” disk drives •...

  • Page 12

    - Blank slot x2 for 10Gb iSCSI optical SFP Host Port card x 1 NF5322- Host Port Card List of - Blank slot x2 for FC SFP SF84E accessories (FC/10Gb iSCSI Copper Combo) - Blank slot x2 for 1/10Gb iSCSI copper NEC Confidential...

  • Page 13

    SFP module is kind of the transceiver to communicate in a Fibre channel or Gigabit Ethernet. The connection of the apparatus is enabled by putting it on Host Port Card. Therefore, the arrangement of the SFP module becomes required. NEC Confidential...

  • Page 14

    16G FC 8Port 8G FC 2Port 16G FC 2Port 8G FC 2Port 16G FC 4Port 8G FC 2Port 16G FC 6Port 8G FC 4Port 16G FC 2Port 8G FC 4Port 16G FC 4Port 8G FC 6Port 16G FC 2Port NEC Confidential...

  • Page 15

    M110 M110 Controller 1 Controller 0 Controller 1 Controller 0 Host Port Card Host Port Card Host Port Card Host Port Card Port0 Port1 Port2 Port3 Port0 Port1 Port2 Port3 Port0 Port1 Port2 Port3 Port0 Port1 Port2 Port3 NEC Confidential...

  • Page 16

    The following table shows available SFP combination in case of M110 disk array(single controller) with two Host Port Card(10Gb iSCSI Optical 4Port). Port combination 10Gb iSCSI Optical SFP per unit [NF5322-SFP10E] 10G iSCSI Optical 2Port 10G iSCSI Optical 4Port Max 4 SFPs (corresponded to 2-Model Number) per unit are available. NEC Confidential...

  • Page 17

    Model Number) per unit are available. Model Number) per unit are available. Port combination 8Gb FC SFP 16G FC SFP 10Gb iSCSI Optical SFP per unit [NF5322-SFP08E] [NF5322-SFP16E] [NF5322-SFP10E] 8G FC 2Port 10G iSCSI Optical 2Port 16G FC 2Port 10G iSCSI Optical 2Port NEC Confidential...

  • Page 18

    Port Card, has initially two 10 Gb iSCSI Port combination [NF5322- [NF5322- Copper ports. per unit SFP08E] SFP16E] 8G FC 2Port 10Gb iSCSI Copper 2Port 16G FC 2Port 10Gb iSCSI Copper 2Port Max 2 FC SFPs (corresponded to 1- Module Number) per unit are available. NEC Confidential...

  • Page 19

    1) There is a case where the system crashes when a controller fails and although it is extremely rare, data integrity cannot be guaranteed. To maintain higher reliability, a dual controller configuration (standard model) is recommended. 2) Since write-cache is off, the write process does not use cache. NEC Confidential...

  • Page 20

    2. M110 Component Selection (14) (2-6) NEC StorageManager Suite NEC StorageManager Express is embedded in storage M110. This software can manage an M110 with basic functionalities and no management server is necessary. When more functions are required such as data replication, purchase NEC StorageManager Suite that requires a management server.

  • Page 21

    (Considerations for Replication) When implementing the replication feature, use the storage system information retention function* and create a replication reserved volume with the NEC StorageManager application. The capacity of a replication reserved volume is 8.0GB. (or 8.6GB if 1KB = 1000Byte) When turning power off via a planned shutdown all storage system information (differential map, etc) will be backed up onto the replication reserved volume only if it was configured.

  • Page 22

    2. M110 Component Selection (16) Considerations for Lifetime of Disk Drive ・Lifetime of SAS HDD, Nearline SAS HDD and SAS SSD are 5 years. NEC Confidential...

  • Page 23

    *2 In general, lead time of SSD is longer than lead time of HDD. When you order the SSD, please consider two to three months lead time to get the SSD. *3 Storage Control Software Revision 0920 or above, and NEC StorageManager Ver9.2 or above are required.

  • Page 24

    A pool configured by 2.5” SAS disk drives (15krpm/600GB) and 2.5” SAS disk drive(10krpm/600GB) ØThe SAS disk drive (15krpm/600GB) is treated as a SAS disk drive (10krpm/600GB). (3-5) Supported RAID NEC Storage M-Series supports the following RAID types. (Note: Only RAID-1, 10, 5/50(4+P), 6/60(4+PQ), 6/60(8+PQ) are supported with SSD) RAID Type...

  • Page 25

    Data Data Data ・・・ 1 x Hot spare disk 1 x Hot spare disk Data Data Data Data: Data disk HSP: Hot spare disk Refer to “5. Functions <Hot Spare Disk>” for more details about hot spare disks. NEC Confidential...

  • Page 26

    Disk Enclosure Mini SAS HD cable (1m) NF5322-SE81E AC100V - 240V (2.5”, 6/12Gpbs) Ear Bezel NEC Storage Rack Mount Kit Disk Enclosure NF5322-SE80E AC100V - 240V List of accessories (3.5”, 6/12Gpbs) Mini SAS HD cable (1m) Disk Enclosure...

  • Page 27

    M110 Disk Array supports disk drives up to 120. However, ・ ・ the sum of available disk drive slots in base unit and disk ・ enclosures (132) exceeds the supported maximum number of disk drives (120). → This configuration is not supported. NEC Confidential...

  • Page 28

    2.5” DAC: 24 disk drive slots 3.5” DE: 12 disk drive slots 2.5” DE: 24 disk drive slots <Example> 3.5” DAC + 3.5” DE + 2.5” DE = 12 + 12 + 24 = 48 The sum of disk driver slots is 48. NEC Confidential...

  • Page 29

    DEs and the DE numbers and PD numbers. DP0-IN DP0-OUT Disk Enclosure ・・・・・・・・ Disk Enclosure ・・・・・・・・ DP0-IN Disk Array Unit ・・・・・・・・ :Mini SAS HD cable 2.5” 3.5” DE09 DE08 DE07 DE06 DE05 DE04 DE04 DE03 DE03 DE02 DE02 DE01 DE01 DAC(DE00) DAC(DE00) NEC Confidential...

  • Page 30

    M110 are equipped with two LAN ports per Disk Array Unit. (M110 can be configured for single controller configuration. In this case, one LAN port.) Management LAN port supports the following: • 10BASE-T/100BASE-T/1000BASE-T (Auto-negotiation) • SNMP protocol (Version 1/2c/3) • NEC StorageManager • CLI commands via Telnet/SSH • Network connector RJ-45 • Floating IP...

  • Page 31: M310 Component Selection

    M310 Component Selection NEC Confidential...

  • Page 32

    8/16Gb FC, 1/10Gb iSCSI, Combo(FC and iSCSI). The units support 12x 3.5” drives and 24x 2.5” drives per 2U chassis. M310 can include a mix of SAS disk drives and Nearline SAS disk drives. Disk drives can be added to the maximum 240x 3.5” disk drives and 480x 2.5” disk drives by connecting disk enclosures.

  • Page 33

    2. M310 Component Selection (2) n Overview : M310 Disk Array (3.5”) Power Supply Power Supply Host Port Card Host Port Card Cache Cache Controller Controller 12/24GB 12/24GB DE#00(Build-in) NL-SAS HDD/SAS SSD Base Unit DISK Port DISK Port DE#01 Switch...

  • Page 34

    2. M310 Component Selection (3) n Steps for Component Selection When Purchasing a New System (1) Select Model of Disk Array Unit (Power/Disk Size) Refer to (2-1) Disk Power Supply(AC,DC) Array Unit, a) Base 2.5” 3.5” Unit (2) Host Port Card (Host I/F)

  • Page 35

    (1) System Requirement and Recommended Product An M310 Disk Array Unit does not include disk drives. A controller unit is not included with a base unit. Both the array controller unit and a controller card are required. The following steps and lists are references for choosing an appropriate product combination.

  • Page 36

    2. M310 Component Selection (5) (2) Disk Array Unit (2-1) Disk Array Unit a) Base Unit Accessories Model Number Product Name Remarks • Power supply unit M310 Disk Array • NEC Storage Rack Mount Kit NF5332-SR01E AC 100-240V Unit (2.5”) •...

  • Page 37

    2. M310 Component Selection (6) (2-2) SFP Module for FC, iSCSI(Optical), and Combo In case of SFP module-less host port card, it is required to purchase appropriate SFP module. Refer to the following table and available SFP module combination on next page for appropriate SFP type and quantity.

  • Page 38

    2. M310 Component Selection (7) ■Available SFP Module combination for Host Port Card(FC 4Port) [NF5322-SF06E] The following table shows available SFP combination in case of M310 disk array(dual controller) with two Host Port Card(FC 4Port). Port 8Gb FC SFP 16G FC SFP...

  • Page 39

    8Port ■ Available SFP Module combination for Host Port Card(FC/10Gb iSCSI Optical) [NF5322-SF83E] The following table shows available SFP combination in case of M310 disk array(dual controller) with two Host Port Card(FC / 10Gb iSCSI Optical). Max 4 iSCSI SFPs (corresponded to 2- Max 4 FC SFPs (corresponded to 2- Model Number) per unit are available.

  • Page 40

    ■ Available SFP Module combination for Host Port Card(FC/10Gb iSCSI Copper) [NF5322-SF84E] Host Port Card(FC/10Gb iSCSI Copper) initially has 2 port of 10Gb iSCSI Copper. The following table shows available SFP combination in case of M310 disk array(dual controller) with two Host Port Card(FC / 10Gb iSCSI Copper).

  • Page 41

    2. M310 Component Selection (10) (3) NEC StorageManager NEC StorageManager software performs basic and advanced storage management functions. It is a base product that manage multiple arrays from a single point. It requires a management server. Refer to the table below for functions which are available with NEC StorageManager.

  • Page 42

    (Considerations for Replication) When implementing the replication feature, use the storage system information retention function* and create a replication reserved volume with the NEC StorageManager application. The capacity of a replication reserved volume is 8.0GB. (or 8.6GB if 1KB = 1000Byte) When turning power off via a planned shutdown all storage system information (differential map, etc) will be backed up onto the replication reserved volume only if it was configured.

  • Page 43

    2. M310 Component Selection (12) Considerations for Lifetime of Disk Drive ・Lifetime of SAS HDD, Nearline SAS HDD and SAS SSD are 5 years. NEC Confidential...

  • Page 44

    *2 In general, lead time of SSD is longer than lead time of HDD. When you order the SSD, please consider two to three months lead time to get the SSD. *3 Storage Control Software Revision 0920 or above, and NEC StorageManager Ver9.2 or above are required.

  • Page 45

    A pool configured by 3.5” SAS disk drives (15krpm/600GB) and 2.5” SAS disk drive(10krpm/600GB) ØThe SAS disk drive (15krpm/600GB) is treated as a SAS disk drive (10krpm/600GB). (4-5) Supported RAID NEC Storage M-Series supports the following RAID types. (Note: Only RAID-1, 10, 5/50(4+P), 6/60(4+PQ), 6/60(8+PQ) are supported with SSD) RAID Type...

  • Page 46

    2. M310 Component Selection (15) (4-7) Hot Spare Disk When assigning hot spare disks: • Assigning a hot spare disk enables automatic restoration of data without waiting for a maintenance service agent in the event of disk failure. Data redundancy is recovered when restoring the data to the hot spare.

  • Page 47

    2. M310 Component Selection (16) (5) Disk Enclosure Select a disk enclosure below when you need more disk drives than the base unit. And when you use disk drive of different form factor from the base unit, optional disk enclosures are required.

  • Page 48

    12 (base unit) + (12 X 15) + (24 X 5) = 312 disk drive slots 15 + 5 = 20 disk enclosures 3.5”DE×15 M310 Disk Array supports disk drives up to 480. ・ ・ However, the sum of disk enclosures (20) exceeds the ・...

  • Page 49

    2. M310 Component Selection (18) DE connection Max Connection DP0: 9 DP1 : 10 ・・・ Mini SAS HD Cable(1m) ・・・ Mini SAS HD Cable(3m) NEC Confidential...

  • Page 50

    2. M310 Component Selection (19) (6) Cache Memory It is required to purchase cache memory for M310 disk array unit. Refer the following table when purchasing it. a) Cache Model at Purchase Mode Number Product Name Remarks NF5332-SC01SE Standard Cache Memory (12GB)

  • Page 51

    Figure Remarks NF9100-SF22E Front Bezel (9) Management LAN Port M310 are equipped with two LAN ports per Disk Array Unit. Management LAN port supports the following: • 10BASE-T/100BASE-T/1000BASE-T (Auto-negotiation) • SNMP protocol (Version 1/2c/3) • NEC StorageManager • CLI commands via Telnet/SSH •...

  • Page 52: Rack Guide

    U number. M110/310 Disk Array : Height and Depth M-Series Disk Array Controller (DAC) Disk Enclosure (DE) Disk Array M110/M310 Height Depth 556.0mm/21.89inches 548.5mm/21.59inches Mount in a Rack Disk Array Units do not exceed the maximum loading weight of the rack. The heavier unit is mounted in the bottom of the rack.

  • Page 53: Disk Drive

    365 days 365 days Usage • High random access • Large capacity • Mission-critical performance • Backup/archive • High transaction • High reliability • Low workload (low • Lower noise random access I/O) Note: The table is reference only. NEC Confidential...

  • Page 54

    SSD is a higher price and higher performance HDD and ideal for the systems as follows: Database index Field applications Example : SAS/NL SAS ■A mix of SAS/Large Capacity HDD (NL-SAS) Tier0 (M310/M510/M710) Tier1 ※Need PerforOptimizer Tier2 NLSAS NLSAS NLSAS ■Configuration only large Capacity HDD(NL SAS)

  • Page 55

    Since NL-SAS disk drives have a larger capacity with lower rotation speed than traditional SAS, it requires more rebuilding time when disk failure occurs, which may lead to another failure. RAID types such as RAID-6 or RAID-TM, which have multiple layers of redundancy, are strongly recommended because they provide more reliability. NEC Confidential...

  • Page 56: Functions

    (RV) in the different pool. When using DynamicDataReplication or RemoteDataReplication, it is also recommended to use the storage system information retention function* and configure replication reserved volume by NEC StorageManager. The capacity of a replication reserved volume is 8.6GB (1GB=1000 Byte) / 8.0GB (1G=1024...

  • Page 57

    When adding the following number of physical disks, the expansion time depends on the capacity and the number of the added physical disks. The logical disks are available for configuration after the expansion completes. The pool has approximately 10% more I/O load while expanding. NEC Confidential...

  • Page 58

    5. Functions <Pool (4)> (2-3) Configuring Logical Disks You can configure logical disks by allocating the required amount from the unused space in the M110 M310 dynamic pool. The maximum number of logical disk per pool 1024 1024 The maximum number of logical disk per unit...

  • Page 59

    Back up the contents of an expanded logic disk. b) expand the logic disk. c) rebuild the file system of an expanded logic disk. Note: Data of logic disks are deleted by this operation. d) Restore The contents which were backed up NEC Confidential...

  • Page 60

    3. The same interface, but larger capacity than the base disk drive*. When multiple sizes of hot spare disks exist, the smaller disk is used first. * Base disk drive = disk drive with the smallest capacity/slowest rotation speed in the pool. NEC Confidential...

  • Page 61

    When replacing a failed disk with a new normal disk, and after the data restore has completed, data on the hot spare disk is copied back to the new disk. When copy back mode is in progress, scheduled maintenance (multi hot spare disk function) is not available. Refer to NEC StorageManager for copy back mode setting.

  • Page 62

    Hot spare is optional. Because SAS SSD does not have mechanical parts such as motors, heads and media, it is reliable. Therefore, hot spare is not SAS SSD necessary. Must assign hot spare disks when NL-SAS disk drives are in the system. NEC Confidential...

  • Page 63

    (MV) and the replication volumes (RV) is created in the cache memory. The storage system information retention function backs up the storage system data to a disk drive. The volume to backup, which is called “replication reserved volume”, can be configured by the procedures in the NEC StorageManager manual.

  • Page 64

    M-Series firmware is compliant with ALUA. Firmware can be updated to the latest version without stopping the system with the NEC Storage M-Series. The multipath environment with NEC Storage PathManager or OS native multipath software is required in order to perform automatic online firmware updates.

  • Page 65

    3.5” 200GB (3) How to setup encryption • When binding a pool with NEC StorageManager, see physical disk type. SED support/non- support of hard disks is displayed. • Encryption is enabled as encrypted hard drive’s default settings. • After binding a pool, protect an encryption key within hard drives by modifying authentication key using authentication key setting tool (CLI).

  • Page 66

    • A pool cannot be bound Immediately after unbinding a pool with SED HDDs. Wait a few minutes, and then bind a pool. If it fails, wait another few minutes, then bind a pool. A logical disk can be bound immediately after unbinding a logical disk. NEC Confidential...

  • Page 67

    StoragePowerConserver, which is bundled in M-Series Storage, can stop unused disks and hot spare disks. Power saving function requires Storage Manager and Storage Control Command when performing the following operations. - Start/Stop volume usage - Start/Stop pool operation - Set power saving mode for each pool NEC Confidential...

  • Page 68

    M-Series supports the following three VAAI features. • Full Copy • Block Zeroing • Hardware-Assisted Locking Overview of these features can be found in the following pages. (3) VAAI Support Settings VAAI support settings can be configured by NEC StorageManager. NEC Confidential...

  • Page 69

    Server offloads the block zeroing to the storage. VM2 data VM3 data VM1 data VM2 data VM3 data VM1 data VM2.vmdk VM3.vmdk VM1.vmdk VM1.vmdk VM2.vmdk VM3.vmdk Windows Windows Windows Windows Windows Windows Storage fills zeros in the area. NEC Confidential...

  • Page 70

    VMware ESX VMware ESX Move VM Move VM Not freed Freed Storage Storage vMotion vMotion Freed VMDK VMDK VMDK VMDK Area VMDK VMFS-A VMFS-B VMFS-A VMFS-B This example is with Storage vMotion. This function applies whenever removing/moving virtual machines. NEC Confidential...

  • Page 71

    10Gb iSCSI(Copper) Host I/F ○ ○ ○ ○ 10Gb iSCSI(Optical) Host I/F ○ ○ ○ ○ 12Gb SAS Host I/F ○ Single Controller Dual Controller ○ ○ ○ ○ NEC StorageManager Express ○ (Embedded) NEC StorageManager ○ ○ ○ ○ NEC Confidential...

  • Page 72

    12Gb SAS Host I/F ○ Single Controller Dual Controller ○ ○ ○ NEC StorageManager Express(Embedded) NEC StorageManager ○ ○ Sum of Snapshot Related Volumes = Master Volume Capacity + Snapshot Volume Capacity + Snapshot Reserved Area Capacity <Calculation Example> Master Volume 2TB has 8 generations of snapshot volumes and the snapshot reserved area per generation is 20%.

  • Page 73

    Because of this physical disk access, overall performance may be degraded. Host Director Host Director Cache Memory Control Information Area I/O Cache Area Differential Management Info Write Read (Magnetic Disk) Logical Disk Replication Reserved Volume NEC Confidential...

  • Page 74

    (NL-SAS) Disk Enclosure (NL-SAS) Rating: UPS1 750VA / 480W UPS2 Rating: 750VA / 480W UPS normal load UPS2 failure M310 (3.5”) Disk Array Controller 252.5VA/250W 252.5VA/250W 505VA/500W power consumption (NL-SAS) Disk Enclosure power consumption 150VA/147.5W 150VA/147.5W 300VA/295W (NL-SAS) 805VA/795W The active power UPS1 load power 402.5VA/397.5W...

  • Page 75

    5. Functions < E-mail Notification Function > E-mail Notification Function In M-Series, when a hardware failure occurs, NEC StorageManager (SM) notifies the remote center of the details about the failure via an e-mail. Environment The followings describe the configuration of the e-mail notification function.

  • Page 76

    When controller is degraded, normally it will default to write-through mode to ensure data integrity. As a result write request response will decline. Using second cache as replacement of cache in a degraded controller prevents write request response degradation. NEC Confidential...

  • Page 77

    • It is possible to install PerforCache later on a pre-existing storage array that was initially configured without PerforCache . • When configuring second cache, it is possible to use spare SSDs which were used for another purpose. For example, unbind pool and re-configure as second cache. NEC Confidential...

  • Page 78

    Battery: 5 years Battery Replacement The NEC Disk Array Unit performance is enhanced when write-cache is on. The battery power is used to retain the data on cache when an unplanned disconnection such as a power outage occurs. The battery power is consumed while the disk array is running. It is necessary to replace the battery in about 5 years*.

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M110

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