import pandas as pd
pd.read_csv('<fileanme>', delimiter='<delimeter>', names=['col1', 'col2'])
data['status'].unique()
return
array(['activated', 'running', 'closed', 'transferring', 'finished',
'holding'], dtype=object)
convert string/int(unix time) to datetime object
pd.to_datetime(data['time'], unit='s')
caution
this configuration only work on sl6+promise machine.
/etc/multipath.conf
defaults {
user_friendly_names yes
}
blacklist {
devnode "^(sd)[a-z][[0-9]*]"
}
devices {
device {
vendor "Promise"
product "VTrak"
path_grouping_policy group_by_prio
#getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
#prio_callout "/sbin/mpath_prio_intel /dev/%n"
prio alua
path_checker tur
path_selector "round-robin 0"
hardware_handler "1 alua"
failback immediate
rr_weight uniform
rr_min_io 10000
no_path_retry queue
features "1 queue_if_no_path"
product_blacklist "VTrak V-LUN"
}
}
df -h should be:Filesystem Size Used Avail Use% Mounted on
/dev/sdq2 1.8T 107G 1.6T 7% /
tmpfs 47G 0 47G 0% /dev/shm
/dev/sdq1 194M 82M 103M 45% /boot
/dev/mapper/mpathi 21T 235G 20T 2% /data01
/dev/mapper/mpathb 21T 252G 20T 2% /data02
/dev/mapper/mpatha 21T 243G 20T 2% /data03
/dev/mapper/mpathc 21T 249G 20T 2% /data04
/dev/mapper/mpathg 21T 252G 20T 2% /data05
/dev/mapper/mpathd 21T 255G 20T 2% /data06
/dev/mapper/mpathe 21T 238G 20T 2% /data07
/dev/mapper/mpathh 13T 160G 13T 2% /data08
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20T 0 disk
└─mpathi (dm-0) 253:0 0 20T 0 mpath /data01
sdb 8:16 0 20T 0 disk
└─mpathb (dm-1) 253:1 0 20T 0 mpath /data02
sdd 8:48 0 20T 0 disk
└─mpatha (dm-2) 253:2 0 20T 0 mpath /data03
sdc 8:32 0 20T 0 disk
└─mpathc (dm-3) 253:3 0 20T 0 mpath /data04
sde 8:64 0 20T 0 disk
└─mpathg (dm-4) 253:4 0 20T 0 mpath /data05
sdf 8:80 0 20T 0 disk
└─mpathd (dm-5) 253:5 0 20T 0 mpath /data06
sdg 8:96 0 20T 0 disk
└─mpathe (dm-6) 253:6 0 20T 0 mpath /data07
sdh 8:112 0 12.8T 0 disk
└─mpathh (dm-7) 253:7 0 12.8T 0 mpath /data08
sdq 65:0 0 1.8T 0 disk
├─sdq1 65:1 0 200M 0 part /boot
├─sdq2 65:2 0 1.8T 0 part /
└─sdq3 65:3 0 8G 0 part [SWAP]
sdi 8:128 0 20T 0 disk
└─mpathi (dm-0) 253:0 0 20T 0 mpath /data01
sdj 8:144 0 20T 0 disk
└─mpathb (dm-1) 253:1 0 20T 0 mpath /data02
sdl 8:176 0 20T 0 disk
└─mpatha (dm-2) 253:2 0 20T 0 mpath /data03
sdk 8:160 0 20T 0 disk
└─mpathc (dm-3) 253:3 0 20T 0 mpath /data04
sdm 8:192 0 20T 0 disk
└─mpathg (dm-4) 253:4 0 20T 0 mpath /data05
sdo 8:224 0 20T 0 disk
└─mpathe (dm-6) 253:6 0 20T 0 mpath /data07
sdn 8:208 0 20T 0 disk
└─mpathd (dm-5) 253:5 0 20T 0 mpath /data06
sdp 8:240 0 12.8T 0 disk
└─mpathh (dm-7) 253:7 0 12.8T 0 mpath /data08
blkid
/dev/sdq1: UUID="bf6357f7-44e8-4f64-9a10-0a58969f070f" TYPE="ext3"
/dev/sdq2: UUID="77bddbd6-8e9a-4712-8ad4-5dd73ac2538b" TYPE="ext4"
/dev/sdq3: UUID="e66ef8f7-6c99-44fe-9802-62e7dd8d357f" TYPE="swap"
/dev/sdb: LABEL="data02" UUID="c88f14b9-056f-443a-ba91-3b842495501e" TYPE="xfs"
/dev/sdd: LABEL="data03" UUID="cce1537b-31dc-4f5e-b34f-084cefa31604" TYPE="xfs"
/dev/sdf: LABEL="data06" UUID="a51935d3-56e6-4f42-b302-941d8f0480b1" TYPE="xfs"
/dev/sdh: LABEL="data08" UUID="e9c3ce71-823d-4121-a1ee-f18150e61e96" TYPE="xfs"
/dev/sdi: LABEL="data01" UUID="38c17b01-23d7-4e40-b2c4-70a0fe72ec70" TYPE="xfs"
/dev/sdk: LABEL="data04" UUID="07518c1e-5ff3-44b1-9937-79c446644401" TYPE="xfs"
/dev/sdm: LABEL="data05" UUID="245602d8-e42e-467c-b81b-4efcb9e659aa" TYPE="xfs"
/dev/sdo: LABEL="data07" UUID="27208abf-7b8c-4e00-afc2-c1675174a9c2" TYPE="xfs"
/dev/mapper/mpathi: LABEL="data01" UUID="38c17b01-23d7-4e40-b2c4-70a0fe72ec70" TYPE="xfs"
/dev/mapper/mpathb: LABEL="data02" UUID="c88f14b9-056f-443a-ba91-3b842495501e" TYPE="xfs"
/dev/mapper/mpatha: LABEL="data03" UUID="cce1537b-31dc-4f5e-b34f-084cefa31604" TYPE="xfs"
/dev/mapper/mpathc: LABEL="data04" UUID="07518c1e-5ff3-44b1-9937-79c446644401" TYPE="xfs"
/dev/mapper/mpathg: LABEL="data05" UUID="245602d8-e42e-467c-b81b-4efcb9e659aa" TYPE="xfs"
/dev/mapper/mpathd: LABEL="data06" UUID="a51935d3-56e6-4f42-b302-941d8f0480b1" TYPE="xfs"
/dev/mapper/mpathe: LABEL="data07" UUID="27208abf-7b8c-4e00-afc2-c1675174a9c2" TYPE="xfs"
/dev/mapper/mpathh: LABEL="data08" UUID="e9c3ce71-823d-4121-a1ee-f18150e61e96" TYPE="xfs"