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装了个Archlinux,md确实精简,只用了50几M内存啊卧槽。
然后去用秋水哥的bench脚本跑了一下。io能上100M,赚了,用smartmontools看了一下,果然,才210个小时。
- [root@sd-118224 ~]# ./bench.sh
- ----------------------------------------------------------------------
- CPU model : Intel(R) Atom(TM) CPU C2338 @ 1.74GHz
- Number of cores : 2
- CPU frequency : 1400.000 MHz
- Total size of Disk : 917.5 GB (337.3 GB Used)
- Total amount of Mem : 3952 MB (52 MB Used)
- Total amount of Swap : 3947 MB (0 MB Used)
- System uptime : 0 days, 0 hour 33 min
- Load average : 0.00, 0.00, 0.00
- OS : Arch Linux
- Arch : x86_64 (64 Bit)
- Kernel : 4.10.6-1-ARCH
- ----------------------------------------------------------------------
- I/O speed(1st run) : 103 MB/s
- I/O speed(2nd run) : 103 MB/s
- I/O speed(3rd run) : 103 MB/s
- Average I/O speed : 103.0 MB/s
- ----------------------------------------------------------------------
- Node Name IPv4 address Download Speed
- CacheFly 62.210.187.96 68.3MB/s
- Linode, Tokyo, JP 106.187.96.148 8.75MB/s
- Linode, Singapore, SG 139.162.23.4 3.96MB/s
- Linode, London, UK 176.58.107.39 18.6MB/s
- Linode, Frankfurt, DE 139.162.130.8 14.1MB/s
- Linode, Fremont, CA 50.116.14.9 2.07MB/s
- Softlayer, Dallas, TX 173.192.68.18 11.1MB/s
- Softlayer, Seattle, WA 67.228.112.250 10.6MB/s
- Softlayer, Frankfurt, DE 159.122.69.4 47.7MB/s
- Softlayer, Singapore, SG 119.81.28.170 3.21MB/s
- Softlayer, HongKong, CN 119.81.130.170 1.71MB/s
- ----------------------------------------------------------------------
- [root@sd-118224 ~]# pacman -S smartmontools
- resolving dependencies...
- looking for conflicting packages...
- Packages (2) libcap-ng-0.7.8-1 smartmontools-6.5-1
- Total Download Size: 0.44 MiB
- Total Installed Size: 1.67 MiB
- :: Proceed with installation? [Y/n] Y
- :: Retrieving packages...
- libcap-ng-0.7.8-1-x86_64 34.9 KiB 261K/s 00:00 [####################################] 100%
- smartmontools-6.5-1-x86_64 411.8 KiB 1040K/s 00:00 [####################################] 100%
- (2/2) checking keys in keyring [####################################] 100%
- (2/2) checking package integrity [####################################] 100%
- (2/2) loading package files [####################################] 100%
- (2/2) checking for file conflicts [####################################] 100%
- :: Processing package changes...
- (1/2) installing libcap-ng [####################################] 100%
- (2/2) installing smartmontools [####################################] 100%
- Optional dependencies for smartmontools
- s-nail: to get mail alerts to work [installed]
- :: Running post-transaction hooks...
- (1/1) Arming ConditionNeedsUpdate...
- [root@sd-118224 ~]# df -h
- Filesystem Size Used Avail Use% Mounted on
- dev 2.0G 0 2.0G 0% /dev
- run 2.0G 336K 2.0G 1% /run
- /dev/sda3 913G 1.3G 865G 1% /
- tmpfs 2.0G 0 2.0G 0% /dev/shm
- tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup
- tmpfs 2.0G 0 2.0G 0% /tmp
- /dev/sda2 488M 35M 418M 8% /boot
- tmpfs 396M 0 396M 0% /run/user/1000
- [root@sd-118224 ~]# smartctl -A /dev/sda
- sda sda1 sda2 sda3 sda4
- [root@sd-118224 ~]# smartctl -A /dev/sda
- sda sda1 sda2 sda3 sda4
- [root@sd-118224 ~]# smartctl -A /dev/sda
- smartctl 6.5 2016-05-07 r4318 [x86_64-linux-4.10.6-1-ARCH] (local build)
- Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
- === START OF READ SMART DATA SECTION ===
- SMART Attributes Data Structure revision number: 16
- Vendor Specific SMART Attributes with Thresholds:
- ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
- 1 Raw_Read_Error_Rate 0x000b 100 100 062 Pre-fail Always - 0
- 2 Throughput_Performance 0x0004 100 100 000 Old_age Offline - 0
- 3 Spin_Up_Time 0x0007 100 100 033 Pre-fail Always - 2
- 4 Start_Stop_Count 0x0012 100 100 000 Old_age Always - 9
- 5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail Always - 0
- 7 Seek_Error_Rate 0x000a 100 100 000 Old_age Always - 0
- 8 Seek_Time_Performance 0x0004 100 100 000 Old_age Offline - 0
- 9 Power_On_Hours 0x0012 100 100 000 Old_age Always - 209
- 10 Spin_Retry_Count 0x0012 100 100 000 Old_age Always - 0
- 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 9
- 191 G-Sense_Error_Rate 0x000a 100 100 000 Old_age Always - 0
- 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 3
- 193 Load_Cycle_Count 0x0012 100 100 000 Old_age Always - 21
- 194 Temperature_Celsius 0x0002 222 222 000 Old_age Always - 27 (Min/Max 19/27)
- 196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0
- 197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always - 0
- 198 Offline_Uncorrectable 0x0008 100 100 000 Old_age Offline - 0
- 199 UDMA_CRC_Error_Count 0x000a 200 200 000 Old_age Always - 0
- 223 Load_Retry_Count 0x000a 100 100 000 Old_age Always - 0
- 240 Head_Flying_Hours 0x0032 100 100 000 Old_age Always - 209
- 241 Total_LBAs_Written 0x0032 100 100 000 Old_age Always - 45343312
- 242 Total_LBAs_Read 0x0032 100 100 000 Old_age Always - 588821
- 254 Free_Fall_Sensor 0x0032 100 100 000 Old_age Always - 0
- [root@sd-118224 ~]# smartctl -A /dev/sda3
- smartctl 6.5 2016-05-07 r4318 [x86_64-linux-4.10.6-1-ARCH] (local build)
- Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
- === START OF READ SMART DATA SECTION ===
- SMART Attributes Data Structure revision number: 16
- Vendor Specific SMART Attributes with Thresholds:
- ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
- 1 Raw_Read_Error_Rate 0x000b 100 100 062 Pre-fail Always - 0
- 2 Throughput_Performance 0x0004 100 100 000 Old_age Offline - 0
- 3 Spin_Up_Time 0x0007 100 100 033 Pre-fail Always - 2
- 4 Start_Stop_Count 0x0012 100 100 000 Old_age Always - 9
- 5 Reallocated_Sector_Ct 0x0033 100 100 005 Pre-fail Always - 0
- 7 Seek_Error_Rate 0x000a 100 100 000 Old_age Always - 0
- 8 Seek_Time_Performance 0x0004 100 100 000 Old_age Offline - 0
- 9 Power_On_Hours 0x0012 100 100 000 Old_age Always - 210
- 10 Spin_Retry_Count 0x0012 100 100 000 Old_age Always - 0
- 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 9
- 191 G-Sense_Error_Rate 0x000a 100 100 000 Old_age Always - 0
- 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 3
- 193 Load_Cycle_Count 0x0012 100 100 000 Old_age Always - 21
- 194 Temperature_Celsius 0x0002 222 222 000 Old_age Always - 27 (Min/Max 19/27)
- 196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0
- 197 Current_Pending_Sector 0x0022 100 100 000 Old_age Always - 0
- 198 Offline_Uncorrectable 0x0008 100 100 000 Old_age Offline - 0
- 199 UDMA_CRC_Error_Count 0x000a 200 200 000 Old_age Always - 0
- 223 Load_Retry_Count 0x000a 100 100 000 Old_age Always - 0
- 240 Head_Flying_Hours 0x0032 100 100 000 Old_age Always - 210
- 241 Total_LBAs_Written 0x0032 100 100 000 Old_age Always - 45589632
- 242 Total_LBAs_Read 0x0032 100 100 000 Old_age Always - 591013
- 254 Free_Fall_Sensor 0x0032 100 100 000 Old_age Always - 0
- [root@sd-118224 ~]#
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