OSDの状態を確認する
Cephストレージシステムでは、データ保存用に指定された各ディスクに対して、それを管理するためのOSD（オブジェクトストレージデーモン）が作成されます。 ユーザーは以下の手順に従って、OSDの状態を確認できます。
すべてのOSDを表示
コマンド storage > list_osd を使用して、Ceph ストレージクラスタ内のすべての OSD を一覧表示します。
cc2> storage list_osd
OSD STATE HOST DEV SERIAL POWER_ON USE REMARK
2 ok cc1 sdb3 PHDV829200KG800CGN 2187 days 20%
3 ok cc1 sdb4 PHDV829200KG800CGN 2187 days 19%
0 ok cc1 sdc3 BTWA6326019F800HGN 2940 days 12%
1 ok cc1 sdc4 BTWA6326019F800HGN 2940 days 23%
4 ok cc1 sdd3 BTWA6326017L800HGN 2938 days 16%
5 ok cc1 sdd4 BTWA6326017L800HGN 2938 days 17%
6 ok cc2 sdb3 BTWA632602Q3800HGN 2900 days 19%
7 ok cc2 sdb4 BTWA632602Q3800HGN 2900 days 0%
8 ok cc2 sdc3 BTWA6326030T800HGN 2939 days 20%
9 ok cc2 sdc4 BTWA6326030T800HGN 2939 days 26%
10 ok cc2 sdd3 BTWA632603GR800HGN 2939 days 21%
11 ok cc2 sdd4 BTWA632603GR800HGN 2939 days 18%
12 ok cc3 sdb3 BTWA63250476800HGN 2899 days 22%
13 ok cc3 sdb4 BTWA63250476800HGN 2899 days 14%
16 ok cc3 sdc3 BTWA63260583800HGN 2939 days 18%
17 ok cc3 sdc4 BTWA63260583800HGN 2939 days 23%
14 ok cc3 sdd3 BTWA632601X9800HGN 2900 days 16%
15 ok cc3 sdd4 BTWA632601X9800HGN 2900 days 13%
情報
「REMARK」列には、ディスクが暗号化されているかどうかが表示されます。 以下に例を示します。
cc3> storage list_osd
OSD STATE HOST DEV SERIAL POWER_ON USE REMARK
4 ok cc1 sda3 183222E1E59A 1165 days 2%
5 ok cc1 sda4 183222E1E59A 1165 days 2%
0 ok cc1 sdc3 PHYM809401PZ480BGN 1642 days 2%
1 ok cc1 sdc4 PHYM809401PZ480BGN 1642 days 3%
2 ok cc1 sdd3 BTYF91230BVA960CGN 1281 days 2%
3 ok cc1 sdd4 BTYF91230BVA960CGN 1281 days 2%
6 ok cc2 sda3 PHYM809401GY480BGN 1347 days 2%
7 ok cc2 sda4 PHYM809401GY480BGN 1347 days 2%
8 ok cc2 sdb3 BTYF91230FHD960CGN 1277 days 2%
9 ok cc2 sdb4 BTYF91230FHD960CGN 1277 days 2%
10 ok cc2 sdc3 PHYM809301WD480BGN 1860 days 2%
11 ok cc2 sdc4 PHYM809301WD480BGN 1860 days 2%
12 ok cc3 sdb3 PHYM809401PY480BGN 1735 days 3%
13 ok cc3 sdb4 PHYM809401PY480BGN 1735 days 2%
14 ok cc3 sdc3 PHYM809401LJ480BGN 1389 days 1%
15 ok cc3 sdc4 PHYM809401LJ480BGN 1389 days 2%
16 ok cc3 sdd BTYF91230FJX960CGN 1377 days 2% LUKS2-encrypted
特定のOSDの詳細を取得する
コマンド storage > list_osd [OSD_ID] を使用します
cc2> storage list_osd 3
overall-health self-assessment test result: PASSED
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
5 Reallocated_Sector_Ct 0x0032 100 100 000 Old_age Always - 0
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 52522
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 183
170 Available_Reservd_Space 0x0033 100 100 010 Pre-fail Always - 0
171 Program_Fail_Count 0x0032 100 100 000 Old_age Always - 0
172 Erase_Fail_Count 0x0032 100 100 000 Old_age Always - 0
174 Unsafe_Shutdown_Count 0x0032 100 100 000 Old_age Always - 160
175 Power_Loss_Cap_Test 0x0033 100 100 010 Pre-fail Always - 15950 (476 1231)
183 SATA_Downshift_Count 0x0032 100 100 000 Old_age Always - 0
184 End-to-End_Error 0x0033 100 100 090 Pre-fail Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
190 Temperature_Case 0x0022 069 064 000 Old_age Always - 31 (Min/Max 22/36)
192 Unsafe_Shutdown_Count 0x0032 100 100 000 Old_age Always - 160
194 Temperature_Internal 0x0022 100 100 000 Old_age Always - 31
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0
199 CRC_Error_Count 0x003e 100 100 000 Old_age Always - 0
225 Host_Writes_32MiB 0x0032 100 100 000 Old_age Always - 701123
226 Workld_Media_Wear_Indic 0x0032 100 100 000 Old_age Always - 3010
227 Workld_Host_Reads_Perc 0x0032 100 100 000 Old_age Always - 54
228 Workload_Minutes 0x0032 100 100 000 Old_age Always - 3151277
232 Available_Reservd_Space 0x0033 100 100 010 Pre-fail Always - 0
233 Media_Wearout_Indicator 0x0032 098 098 000 Old_age Always - 0
234 Thermal_Throttle 0x0032 100 100 000 Old_age Always - 0/0
241 Host_Writes_32MiB 0x0032 100 100 000 Old_age Always - 701123
242 Host_Reads_32MiB 0x0032 100 100 000 Old_age Always - 852820
243 NAND_Writes_32MiB 0x0032 100 100 000 Old_age Always - 4645947
HDD Device 0: /dev/sdb
HDD Model ID : INTEL SSDSC2BB800G7
HDD Serial No: PHDV829200KG800CGN
HDD Revision : N2010121
HDD Size : 763098 MB
Interface : SAT Standard USB/ATA
Temperature : 31 °C
Highest Temp.: 36 °C
Health : 98 %
Performance : 100 %
Power on time: 2188 days, 10 hours
Est. lifetime: more than 98 days
Total written: 21.40 TB
The status of the solid state disk is PERFECT. Problematic or weak sectors were not found.
The health is determined by SSD specific S.M.A.R.T. attribute(s): #233 Media Wearout Indicator
OSD STATE HOST DEV SERIAL POWER_ON USE REMARK
3 ok cc1 sdb4 PHDV829200KG800CGN 2188 days 17%