[CentOS] iostat a partition
John R Pierce
pierce at hogranch.com
Fri Feb 20 02:41:08 UTC 2015
On 2/19/2015 9:27 AM, Tim Dunphy wrote:
> So if I have this disk partition:
>
>
> [root at uszmpdblp010la mysql]# df -h /mysql
> Filesystem Size Used Avail Use% Mounted on
> /dev/mapper/MysqlVG-MysqlVol
> 9.9G 1.1G 8.4G 11% /mysql
thats not a partition thats a file system on a logical volume...
# df -h /mirror
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_sg1data-lvmirror
1.0T 736G 289G 72% /mirror
# pvs
PV VG Fmt Attr PSize PFree
/dev/sdb2 vg_sg1 lvm2 a-- 2.00t 0
/dev/sdc1 vg_sg1data lvm2 a-- 16.37t 415.80g
/dev/sdd1 vg_sg1data lvm2 a-- 16.37t 7.87t
or, a gnarlier case...
# df -h /home2
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vgdata-lvhome2
1.8T 306G 1.6T 17% /home2
# pvs
PV VG Fmt Attr PSize PFree
/dev/md127 vgdata lvm2 a-- 1.82t 19.68g
# mdadm -D /dev/md127
/dev/md127:
Version : 1.2
Creation Time : Sat Jun 14 13:18:25 2014
Raid Level : raid1
Array Size : 1953383232 (1862.89 GiB 2000.26 GB)
Used Dev Size : 1953383232 (1862.89 GiB 2000.26 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Update Time : Thu Feb 19 18:40:15 2015
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : new.freescruz.com:0 (local to host new.freescruz.com)
UUID : d9c90fda:9a0e5d4f:d27cf1f6:19d0b43a
Events : 1485
Number Major Minor RaidDevice State
0 8 17 0 active sync /dev/sdb1
1 8 33 1 active sync /dev/sdc1
--
john r pierce 37N 122W
somewhere on the middle of the left coast
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