OSD磁盘日常监控

磁盘碎片管理

# xfs_db -c frag -r /dev/sdb1
actual 981, ideal 964, fragmentation factor 1.73%

# xfs_fsr /dev/sdb1

OSD磁盘性能

root@demo:~# ceph --admin-daemon /var/run/ceph/ceph-osd.0.asok perf dump
{
"WBThrottle": {
"bytes_dirtied": 0,
"bytes_wb": 0,
"ios_dirtied": 0,
"ios_wb": 0,
"inodes_dirtied": 0,
"inodes_wb": 0
},
"filestore": {
"journal_queue_max_ops": 300,
"journal_queue_ops": 0,
"journal_ops": 3210,
"journal_queue_max_bytes": 33554432,
"journal_queue_bytes": 0,
"journal_bytes": 5007708,
"journal_latency": {
"avgcount": 3210,
"sum": 9.786657669
},
"journal_wr": 2643,
"journal_wr_bytes": {
"avgcount": 2643,
"sum": 13221888
},
"journal_full": 0,
"committing": 0,
"commitcycle": 270,
"commitcycle_interval": {
"avgcount": 270,
"sum": 1352.249982669
},
"commitcycle_latency": {
"avgcount": 270,
"sum": 2.088010691
},
"op_queue_max_ops": 50,
"op_queue_ops": 0,
"ops": 3210,
"op_queue_max_bytes": 104857600,
"op_queue_bytes": 0,
"bytes": 4962768,
"apply_latency": {
"avgcount": 3210,
"sum": 34.241022045
},
"queue_transaction_latency_avg": {
"avgcount": 3210,
"sum": 0.431766161
}
},
......
}

root@demo:~# ceph osd perf
osd fs_commit_latency(ms) fs_apply_latency(ms)
0                     3                   10
1                     3                   12
2                     3                   13

通电时长

# smartctl -A /dev/sda
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.8.0-44-generic] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net 
Current Drive Temperature:     27 C
Drive Trip Temperature:        65 C
Elements in grown defect list: 0
Vendor (Seagate) cache information
Blocks sent to initiator = 0
Vendor (Seagate/Hitachi) factory information
number of hours powered up = 53413.70
number of minutes until next internal SMART test = 7