XtremSF User Guide for Linux Systems

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1 EMC Xtrem XtremSF V 1.2 Linux P/N REV 01

3 BIOS XtremSF CPU XtremSF XtremSF XtremSF XtremSF550\ XFS EXT RAID scan delete_map list perf_ctrs health_report irq_mode pwr_limit EMC XtremSF 3

4 write_cache secure_erase sanitize chmod check_part smart_attr version debug_logs beacon MySQL A /dev/vgca XtremSF550\ XtremSF350S\700S\350\700\ XtremSF350S\700S\350\700\ On-Board XtremSF550\ XtremSF350\700\ XtremSF350S\700S B C XtremSF PCIe XtremSF 4 EMC XtremSF

5 EMC... EMC. :. EMC ( Linux XtremSF.,, XtremSF. EMC. XtremSF XtremSF Windows XtremSF VMware XtremSF EMC XtremSF 5

6 EMC.... :.. Monospace Monospace Monospace ( :,,,,,, ) : ( :, ),, [ ]. ( ). { } ( : x, y z) EMC XtremSF

7 EMC,.,, EMC EMC. EMC. EMC.. EMC. EMC,.. EMC XtremSF 7

8 8 EMC XtremSF

9 1 EMC XtremSF PCIe DAS. XtremSF NAND, PCIe CPU.,,. Linux EMC XtremSF Solid State.. 1 XtremSF EMC HW NAND XtremSF350 PCIEHHM-350M emlc 5.25PB XtremSF550 PCIEHHM-550V emlc 10PB XtremSF700 PCIEHHM-700M emlc 10.5PB XtremSF1400 PCIEHHM-1400M emlc 21PB XtremSF2200 PCIEHHM-2200V cmlc 33PB XtremSF350S PCIEHHS-3XXM SLC 52.5PB XtremSF700S PCIEHHS-7XXM SLC 105PB : 1 XtremSF350S XtremSF700S EMC XtremCache, DAS(Direct Attached Storage)., 9

10 . DAS.., XtremSF.. 10 BIOS XtremSF. XtremSF 2 XtremSF350\550\700\1400\ XtremSF350S\700S. 2 XtremSF350\550\700\1400\2200 PCI-Express Gen 2, x8\x16, XtremSF LFM(Linear Feet per Minute), 45 C XtremSF LFM, 45 C XtremSF LFM(Linear Feet per Minute), 50 C XtremSF LFM(Linear Feet per Minute), 50 C XtremSF LFM(Linear Feet per Minute), 50 C Intel Xeon (5500 ) AMD Opteron 10 EMC XtremSF

11 2 XtremSF350\550\700\1400\2200 () XtremSF350 - XtremSF550-2GB XtremSF700 - XtremSF XtremSF2200-6GB RHEL , (x86_x64). EMC Support Matrix. OEL OEL (x86_64) SLES 11 SP2 CLI / : XtremSF x8 x16 PCIe. x4 x8 PCIe., x4. PCIe. 3 XtremSF350S\700S PCI-Express Gen 2, x8\x16, 300LFM(Linear Feet per Minute), 50 C Intel Xeon (5500 ) AMD Opteron 11

12 3 XtremSF350S\700S () 8GB(12GB ) RHEL , (x86_x64). EMC Support Matrix. OEL OEL (x86_64) SLES 11 SP2 CLI / XtremSF. XtremSF. 4 BIOS XtremSF550\2200: 0 C 45 C XtremSF350S\700S\350\700\1400: 0 C 50 C XtremSF550\2200: 83 C XtremSF350S\700S\350\700\1400: 100 C XtremSF CLI XtremSF. 36 health_report. 12 EMC XtremSF

13 : 78 C XtremSF550\ XtremSF350S\700S\350\700\1400. XtremSF350S\700S\350\700\ C. 100 C ( ). BIOS XtremSF BIOS. BIOS. BIOS. BIOS. BIOS.. BIOS.. HP Dell. HP. BIOS > Advanced Options > Thermal Configuration > Increased/Maximum Cooling. BIOS 13

14 Dell. System Settings > idrac Settings > Thermal. Fan Speed Offset High Fan Speed Offset BIOS. Advanced Processor/Chipset Control BIOS.. Processor Performance States/C States/C-State Tech/EIST C1E States/C1 Enhanced States (Link) Active State Power Management Intel. Hyperthreading/Logical Processors Turbo Mode (System Power Modes) Maximum Performance. Intel Xeon E CPU PCIe XtremSF. C2 C1E. Erratum BT XtremSF.. 14 EMC XtremSF

15 XtremSF. XtremSF PB XtremSF550-10PB XtremSF PB XtremSF PB XtremSF PB XtremSF350S PB XtremSF700S - 105PB : CLI XtremSF550\ health_report. XtremSF350S\700S\350\700\

16 16 EMC XtremSF

17 2 XtremSF,,, XtremSF.. XtremSF 17 CPU 22 XtremSF 22 XtremSF XtremSF 26 XtremSF XtremSF.., XtremSF. XtremSF ESD( ). ESD /. XtremSF 17

18 :. XtremSF. : XtremSF. Serial number (FNM): EMC Hardware Kit number: x Revision number (REV):. EMC EMC. 2.., ( )., EMC XtremSF

19 1 XtremSF, 2.5mm 2.5mm. XtremSF, 20 2. 2.5mm... 4.

19 19 1 XtremSF, 2.5mm 2.5mm. XtremSF, mm PCI Express (8x ) XtremSF. PCI Express. PCI Express. ( ). PCI Express PCI Express. 1 XtremSF 19

20 2 20 EMC XtremSF

21 3 PCIe XtremSF :,. 5.. ( ). 6..,... XtremSF 21

22 CPU XtremSF CPU. CPU.. RHEL cpuspeed. service cpuspeed stop chkconfig cpuspeed off XtremSF EMC. EMC. Red Hat, SLES OEL.. 1. /tmp/. 2.. XXXX. SLES11 SP2 rpm -ivh /tmp/emcxtremsf.linux bxxxx.sles11sp2. x86_64.rpm RHEL or OEL rpm -ivh /tmp/emcxtremsf.linux bxxxx.rhel6. x86_64.rpm RHEL OEL rpm -ivh /tmp/emcxtremsf.linux bxxxx.rhel5. x86_64.rpm 22 EMC XtremSF

23 . Preparing... ########################################### [100%] 1:EMCXtremSF.LINUX ########################################### [100%] Loading kernel modules... done Rescanning SW RAID volumes... done Rescanning LVM volumes... done Enabling swap devices... done Rescanning mount points... done # 3.. xtremcli display -all. # xtremcli display -all Card xsfa: OS Device Name : rssda Serial Number : BB8F Device Model : XtremSF350 Device Model Number : PCIEHHM-350M Device Capacity : Device Endurance : 5.25 PB Current Firmware : v1.2 Required Firmware : v1.2 Card xsfb: OS Device Name : rssdb Serial Number : C8A Device Model : XtremSF700S Device Model Number : PCIEHHS-7XXM Device Capacity : Device Endurance : 10.5 PB Current Firmware : v1.2 Required Firmware : v1.2 XtremSF 23

24 Card xsfc0: OS Device Name : vgca0 Serial Number : SJT06063 Device Model : XtremSF220 Device Model Number : PCIEHHM-2200V Device Capacity : Device Endurance : 33 PB Current Firmware : v1.2 Required Firmware : v XtremSF XtremSF. 22 XtremSF XtremSF. XtremSF ().. ( ). : Linux ESX\ESXi. 24 EMC XtremSF

25 : CLI xtremcli display -all.. 1. XtremSF. 22 XtremSF. 2.. xtremcli fw_update -device <path to device_name> -upgrade : rssda. xtremcli fw_update -device /dev/rssda -upgrade. 3. yes... Loading... Firmware upgrade completed successfully, you must power-cycle your system. 4. ( ) ( ). 5. xtremcli display -all. Current Firmware Required Firmware.. 25

26 XtremSF XtremSF. : XtremSF XtremSF. 3.. rpm -ev EMCXtremSF.LINUX EMC XtremSF

27 3 XtremSF.. XtremSF550\ RAID XtremSF550\ XFS 28 EXT3 29 mkfs Linux XtremSF550\2200. /dev/vgca0, /dev/vgcb0,. fdisk/gparted. fdisk 2TB parted. XtremSF550\

28 XFS XFS. 4KB. XFS 4KB. XFS mkfs. mkfs.xfs -s size=4096 /dev/vgca0 : 4KB Sybase -s size= EXT3 EXT3. EXT3. XtremSF. EXT3. mkfs.ext3 -J size=400 <other standard options as required> /dev/vgca0 -J size (MB),. 1, ,400. 1K 1MB 4K 4MB. XtremSF. EXT3 EXT2. 28 EMC XtremSF

29 RAID XtremSF550\2200. XtremSF. 1. /etc/fstab noauto 0,0. XtremSF. /dev/vgca0 /mnt1 ext3 noauto,defaults 0 0 /dev/vgcb0 /mnt2 xfs noauto,defaults /etc/sysconfig/vgcd.conf XtremSF MOUNT_POINTS. MOUNT_POINT /etc/fstab. # The list of mount points that the script should mount MOUNT_POINTS="/mnt1 /mnt2" XtremSF550\2200 RAID. XtremSF550\ P RAID.. RAID. XtremSF550\2200. /dev/vgcb0 /dev/vgca0 RAID. mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/vgcb0 /dev/vgca0 RAID 29

30 XtremSF.. : CLI xtremcli. [0-1] XtremSF2200. XtremSF550 [0]. XtremSF XtremSF. CLI. XtremSF. (Max Capacity/Max Performance).. EMC. beacon check_part chmod debug_logs delete_map 34,,..,. (coalescing). fw_update health_report irq_mode EMC XtremSF

31 CLI (). PCIe. list pcie_info perf_ctrs 35 /. pwr_limit 39 ( ).... SMART (Self-Monitoring, Analysis Reporting Technology). sanitize scan secure_erase smart_attr XtremSF CLI. version 48. write_cache 40 display XtremSF.. Capacity 31

32 (PB) FTL(Flash Translation Layer) (%) : FTL xsf????. FTL. : xtremcli display -device xsf[a-h][0-1] xtremcli display -all -all -device.. -h. display -all. xtremcli display -all Card xsfa0: OS Device Name : vgca0 Serial Number : SJT06097 Device Model : XtremSF2200 Device Model Number : PCIEHHM-2200V Device Capacity : Device Endurance : 33 PB Current Firmware : v1.2 Required Firmware : v EMC XtremSF

33 Card xsfb OS Device Name : rssda Serial Number : F358 Device Model : XtremSF700 Device Model Number : PCIEHHM-700M Device Capacity : Device Endurance : 10.5 PB Current Firmware : v1.2 Required Firmware : v1.2 scan scan. : xtremcli scan -h., (xsfc). xtremcli scan Current Device Mapping xsfa0 mapped to :SJT06041 xsfb0 mapped to :SJT New Device Mapping xsfa0 mapped to :SJT06041 xsfb0 mapped to :SJT06055 xsfc mapped to : BBA0 33

34 delete_map delete_map. : xtremcli delete_map -device xsf[a-h][0-1] -force -device -force.. -h.,. xtremcli delete_map -device xsfc -force Deleting... xsfc mapped to : BBA0 : xsf. xtremcli scan. 33 scan. list list. : xtremcli list -h. 34 EMC XtremSF

35 ,. xtremcli list Current Device Mapping xsfa0 mapped to :SJT06041 xsfb0 mapped to :SJT06055 perf_ctrs perf_ctrs XtremSF.. : / XtremSF550\2200. : xtremcli perf_ctrs -device <device> -all -all -device EMC.. -h. 35

36 perf_ctrs. xtremcli perf_ctrs -device xsfc Card Name: xsfc Sector size 512 Sectors read per second Sectors written per second xtremcli perf_ctrs -device xsfa0 Card Name: xsfa0 Sector size 512 Sectors read per second N/A Sectors written per second N/A health_report health_report XtremSF,. XtremSF. : xtremcli health_report -device xsf[a-h][0-1] xtremcli health_report -all -all -device EMC.. -h. 36 EMC XtremSF

37 xsfa0. Card xsfa0: OS Device Name /dev/vgca0 Device State is in good health Current Temp 60 degrees Centigrade Thermal Limit begins at 78 degrees Centigrade Thermal Shutdown begins at 85 degrees Centigrade Life time used is 1 % Write protect progress is 0 % failed FTL rebuild write protect. Card xsfa: OS Device Name rssda Device state is Internal table rebuild has failed!!. A secure-erase is required to recover from this mode. Current Temp 41 degrees Centigrade Thermal Limit begins at 87 degrees Centigrade Thermal Shutdown begins at 102 degrees Centigrade Life time used is 0 % Write protect progress is 0 % Card xsfd: OS Device Name rssdd Device state is Drive is now in Write Protect(Read Only) Mode. Current Temp 49 degrees Centigrade Thermal Limit begins at 87 degrees Centigrade Thermal Shutdown begins at 102 degrees Centigrade Life time used is 0 % Write protect progress is 100% 37

38 irq_mode irq_mode XtremSF350\350S\700\700S\1400 (coalescing).. 0xD200F: High IOPS, medium timeout( ) 0xD801F: High IOPS, aggressive timeout 0xD020F: Latency sensitive :. : XtremSF550\2200. : xtremcli irq_mode -device <device> [-value <D200F D801F D020F>] xtremcli irq_mode -all -all -device -value 0xD200F: 0xD801F 0xD020F EMC.. (coalescing). High IOPS, medium timeout( ) High IOPS, aggressive timeout Latency sensitive -h. xsfc (coalescing). xtremcli irq_mode -device xsfc -value d020f Card Name: xsfc Irq Mode has been set to 0xd020f. Please reboot the host at the earliest!!. 38 EMC XtremSF

39 -all : xtremcli irq_mode -all Card Name: xsfa0 Card Name: xsfb0 Card Name: xsfc Irq Mode is Unsupported. Irq Mode is Unsupported. Irq Mode is 0xd020f. pwr_limit XtremSF350S, XtremSF700S XtremSF W. 25W. XtremSF 25W. : XtremSF350, XtremSF550, XtremSF700 XtremSF2200. : xtremcli pwr_limit -device xsf[a-h] [-on -off] xtremcli pwr_limit -all -all -device -off -on EMC.... -h. 39

40 . xtremcli pwr_limit -all Card Name: xsfa Power Limiting is Disabled. Card Name: xsfb Power Limiting is Disabled. Card Name: xsfc Power Limiting is Unsupported. write_cache write_cache XtremSF350S\700S... : XtremSF. : xtremcli write_cache -device xsf[a-h] [-on -off] xtremcli write_cache -all -all -device -on -off EMC.... Unsupported. -h. 40 EMC XtremSF

41 xsfa -on -all XtremSF. xtremcli write_cache -device xsfa -on xtremcli write_cache -all Card Name: xsfa Card Name: xsfb Card Name: xsfc Card Name: xsfd Write cache is Enabled. Write cache is Unsupported. Write cache is Unsupported. Write cache is Unsupported. secure_erase sanitize secure_erase sanitize.. secure_erase. XtremSF. sanitize. sanitize secure_erase. sanitize... 41

42 . secure_erase. secure_erase. DOD M - EPROM ( greement.pdf) NIST SP EPROM ( pdf) (NIST DOD ). : Data Sheet. : Data Sheet. secure_erase sanitize XtremSF.. secure erase. XtremSF XtremSF2200. XtremSF2200. secure_erase sanitize... ' ' sanitize. 42 EMC XtremSF

43 Secure_erase : xtremcli secure_erase -device <device_name> -device. -h. xsfc secure_erase. xtremcli secure_erase -device xsfc This operation will erase all data on the physical partition or device xsfc!!. It may take several minutes to complete. Once started, this operation cannot be stopped or undone. Please ensure that all file systems on xsfc are unmounted, and that xsfc is otherwise not in use prior to initiating the secure_erase operation!!. Do you want to continue? yes/[no]: yes Initiating the secure_erase operation. Please wait... Card Name: xsfc has been securely erased. Sanitize : xtremcli sanitize -device <device_name> -device. -h. 43

44 xsff0 sanitize. xtremcli sanitize -device xsff0 This operation will erase all data on the physical partition or device xsff0!!. It may take several hours to complete. Once started, this operation cannot be stopped or undone. Please ensure that all file systems on xsff0 are unmounted, and that xsff0 is otherwise not in use prior to initiating the sanitize operation!!. Do you want to continue? yes/[no]: yes Initiating the sanitize operation. Please wait... Card Name: xsff0 has been sanitized. chmod XtremSF550\2200 chmod maxcapacity maxperformance. XtremSF. : XtremSF350\350S\700\700S\1400. XtremSF550\2200 maxcapacity. maxcapacity maxperformance. maxperformance 2 17%. maxperformance maxcapacity. maxperformance. 44 EMC XtremSF

45 : XtremSF XtremSF. XtremSF xsfa0 xsfa1. chmod.. : XtremCache. : xtremcli chmod -device <device_name> [-capacity -performance] xtremcli chmod -all -all -capacity -device -performance EMC. Max Capacity.. Max Performance. -h. 45

46 xsff0 Max Capacity. xtremcli chmod -device xsff0 -capacity Changing the device mode will result in loss of existing data on xsff0!!. Please ensure that all file systems on xsff0 are unmounted, and that xsff0 is otherwise not in use prior to changing the device mode!!. Do you want to continue? yes/[no]: yes Changing the device mode. Please wait... xsf3097:~ # xtremcli chmod -device xsff0 Card Name: xsff0 Drive Mode is Max Capacity. check_part check_part XtremSF.. :. Device is busy. : xtremcli check_part -h.. xtremcli check_part Found no cards with partitions EMC XtremSF

47 . xtremcli check_part Found 1 cards with partitions on them... Card Name: xsfa0 Do you want to erase partitions on any of these devices? yes/[no]: yes Card Name: xsfa0 This operation will erase all data on all physical partitions on device xsfa0!!. It may take several minutes to complete. Once started, this operation cannot be stopped or undone. Please ensure that all file systems on xsfa0 are unmounted, and that xsfa0 is otherwise not in use prior to initiating this operation!! Do really you want to continue? yes/[no]: yes Destroying partitions on xsfa0. Please wait... smart_attr smart_attr SMART (Self-Monitoring, Analysis Reporting Technology). : xtremcli smart_attr -device xsf[a-h][0-1] -all -all -device EMC.. -h. 47

48 . xtremcli smart_attr -all Card Name: xsfa0 Total Power ON Hours 2569 Total Power Cycles 8 Current Temperature 60 degrees Centigrade New Bad Block Count 0 Total Reported Command Timeouts 0 Card Name: xsfb0 Total Power ON Hours 2569 Total Power Cycles 8 Current Temperature 54 degrees Centigrade New Bad Block Count 0 Total Reported Command Timeouts 0 version version XtremSF CLI. : xtremcli version version. xtremcli version XtremSF(c) Version 1.2 (build 224) 48 EMC XtremSF

49 debug_logs debug_logs,,, zip. 10. XtremSF debug_logs. zip EMC. : xtremcli debug_logs -device <device> [-path <path>] -file <filename> -device -filename -path. ZIP. ZIP. ZIP. -h.. xtremcli debug_logs -device xsfa -path /tmp -file xsfa_debug.zip beacon beacon XtremSF.. On-Board. beacon 2~3 On-Board XtremSF. : beacon. 49

50 : xtremcli beacon -device <device_name> [-on -off] xtremcli beacon -all -on -off -device -all beacon. beacon ON. XtremSF350\350S\700\700S\1400: Beacon, 255. XtremSF550\2200: Beacon OFF. beacon. beacon OFF. -on/-off. -on/-off beacon. XtremSF550\2200 beacon. XtremSF beacon unsupported. -h. xsfa0 beacon. xtremcli beacon -device xsfa0 -on 50 EMC XtremSF

51 4 XtremSF550\ MySQL 52 Max Performance Max Capacity XtremSF550\ chmod.. XtremSF. xtremcli chmod -all. # xtremcli chmod -all Card Name: xsfa0 Card Name: xsfb0 Drive Mode is Max Capacity. Drive Mode is Max Performance. Card Name: xsfc Drive Mode is Unsupported. Max Capacity Max Performance 44 chmod. 51

52 MySQL MySQL XtremSF550\2200. MySQL InnoDB XtraDB Google Percona. XtremSF /etc/my.cnf. XtremSF MySQL EMC. : /etc/my.cnf... [mysqld] innodb_write_io_threads=8 innodb_read_io_threads=8 innodb_io_capacity=10000 innodb_flush_method=o_direct 52 EMC XtremSF

53 5.. /dev/vgca XtremSF550\ XtremSF350S\700S\350\700\ XtremSF350S\700S\350\700\ XtremSF. EMC. EMC debug_logs. 49 debug_logs. 53

54 /dev/vgca0 /dev/vgca0,. : On-Board XtremSF550\2200. lsmod grep vgc. service vgcd start 2. vgcd. service vgcd status. INFO: kernel modules are loaded vgcd is running.... service vgcd start. Loading kernel modules... [ OK ] Rescanning SW RAID volumes... [ OK ] Rescanning LVM volumes... [ OK ] Enabling swap devices... [ OK ] Rescanning mount points... [ OK ] 54 EMC XtremSF

55 3. service vgcd start, VGC syslog. cat /var/log/messages grep -i VGC. a. Firmware Version Mismatch Found (GRTL) Expected The firmware for drive 'a',pcie 0000:82:00.0 does not match the installed driver. Please install vgc-firmware bundle from support site to upgrade the firmware. : 17. b. vgcd: Not loading kernel modules because the previous load was unsuccessful. Check the system logs for details. To force load, remove /var/lib/vgc/loading.lck : loading.lck service vgcd start. c. vgcd: FATAL: Module vgcdrive not found. :. rpm -ev EMCXtremSF.LINUX rpm. XtremSF xtremcli display -device /dev/vgc[a-h] - XtremSF550\2200 (T[throttle], : 78 C) XtremSF550\ C. 85 C(T[offline]). T[throttle]. - XtremSF550\

56 :. XtremSF. 12. BIOS PCI. BIOS umount/dev/vgc[a-h][0-1] 2.. service vgcd stop 3.. service vgcd status service vgcd start 6.. mount /dev/vgc[a-h][0-1] /tmp/vgc[a-h][0-1] - XtremSF350S\700S\350\700\1400 XtremSF350S\700S\350\700\1400 FTL(Flash Translation Layer).. FTL display -all. /var/log/messages FTL ( 3 ). 56 EMC XtremSF

57 - XtremSF350S\700S\350\700\1400 XtremSF350S\700S\350\700\ C. 100 C ( ). XtremSF. 12. BIOS, PCI. BIOS W XtremSF550\ W,... XtremSF550\2200 chkconfig vgcd off. chkconfig vgcd on. - XtremSF350S\700S\350\700\

58 . kernel: INFO: task vgc_mtwa0:13866 blocked for more than 120 seconds. debug_logs XtremSF550\2200. ZIP EMC. 49 debug_logs. XtremSF... /var/log/messages /opt/emc/xtremsf/logs/xtremcli_log.txt. 58 EMC XtremSF

59 On-Board A On-Board XtremSF On-Board. beacon. 49 beacon.. XtremSF550\ XtremSF350\700\ XtremSF350S\700S

60 On-Board XtremSF550\2200 XtremSF550\2200 On-Board Beacon 60 EMC XtremSF

61 On-Board XtremSF350\700\ PCI,. 6 - XtremSF350\700\1400 HHHL. / (200ms)... ATA.. (30ms) PCIe/NAND...,,.,.. : 112: DRAM 113: DRAM 313: DRAM UECC 441: 411: XtremSF350\700\

62 On-Board 6 - XtremSF350\700\1400 () HHHL (30ms) NAND.. (parked). NAND EMC XtremSF

63 On-Board XtremSF350S\700S 3 PCI,. 7 - XtremSF350S\700S HHHL. / (200ms).,. (30ms), PCI NAND.,,.,.. : 112: DRAM 113: DRAM 313: DRAM UECC 441: 411: (30ms).... XtremSF350S\700S 63

64 On-Board 64 EMC XtremSF

65 XtremSF PCIe B XtremSF PCIe XtremSF PCIe. PCIe. xtremcli pcie_info -device <device> <device> XtremSF. XtremSF PCIe. xtremcli pcie_info -all. Card Name: xsfa0 OS Device Name /dev/vgca0 Vendor ID 0x1a78 Device ID 0x40 Revision ID 0x0 Max Link Width 8 Negotiated Link Width 8 Curr Link Speed 5.0 GT/s PCI Slot 0 PCI Gen 2 Sub-System Vendor ID 0x1a78 Sub-System ID 0x40 Class Code 0x0 Bus 0x83 Device 0 Function 0 65

66 XtremSF PCIe Card Name: xsfb OS Device Name /dev/rssda Vendor ID 0x1344 Device ID 0x5161 Revision ID 0x3 Max Link Width 8 Negotiated Link Width 8 Curr Link Speed 5.0 GT/s PCI Slot 0 PCI Gen N/A Sub-System Vendor ID 0x1344 Sub-System ID 0x2204 Class Code 0x18000 Bus 0x9 Device 0 Function 0 66 EMC XtremSF

67 XtremSF C XtremSF XtremSF. ( ) ( x). : XtremSF : ( ).. 67

68 XtremSF 68 EMC XtremSF

휠세미나3 ver0.4

휠세미나3 ver0.4 andromeda@sparcs:/$ ls -al dev/sda* brw-rw---- 1 root disk 8, 0 2014-06-09 18:43 dev/sda brw-rw---- 1 root disk 8, 1 2014-06-09 18:43 dev/sda1 brw-rw---- 1 root disk 8, 2 2014-06-09 18:43 dev/sda2 andromeda@sparcs:/$