60%
27.08.2014
was the sequential write test using 1MB record sizes:
./iozone -i 0 -c -e -w -r 1024k -s 32g -t 2 -+n > iozone_write_1.out
To gather the block statistics, I ran ioprof in a different terminal window before I ran
60%
21.08.2012
.3.3-14.el6_3.x86_64.rpm | 2.2 MB 00:01
(3/4): php-common-5.3.3-14.el6_3.x86_64.rpm | 522 kB 00:00
(4/4): php-gd-5.3.3-14.el6_3.x86_64.rpm
59%
26.01.2012
32KB < < 128KB
64
128KB < < 256KB
0
256KB < < 512KB
2
512KB < < 1MB
3
1MB < < 10MB
87
10MB < < 100MB
0
100MB < < 1GB
59%
15.02.2012
32KB < < 128KB
64
128KB < < 256KB
0
256KB < < 512KB
2
512KB < < 1MB
3
1MB < < 10MB
87
10MB < < 100MB
0
100MB < < 1GB
59%
02.08.2021
,048
0.776039
22.137891
1.612694
10.652902
0.199173
86.256026
0.455025
37.755903
4,096
5.855209
23.472936
12.275261
11
59%
07.11.2023
the last command as an example, an option to specify the extent size would be:
# vgcreate -s 8M vg0 /dev/sdb1 /dev/sdd
The -s 8M
option specifies a PE size of 8MB when the VG is created. You can change
58%
16.10.2012
bytes:215392635 (215.3 MB) TX bytes:1759757 (1.7 MB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK
58%
24.02.2022
type: ldiskfs
Flags: 0x62
(OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.0.0.2@tcp
device size = 48128MB
formatting
58%
07.04.2022
=10.0.0.2@tcp
device size = 48128MB
formatting backing filesystem ldiskfs on /dev/sdb
target name testfs:OST0000
kilobytes 49283072
options -I 512 -i 1024 -J size
57%
11.04.2016
records in
1000000+0 records out
512000000 bytes (512 MB) copied, 1.58155 s, 324 MB/s
# dd of=file if=/dev/zero bs=512 count=1000000 oflag=direct
1000000+0 records in
1000000+0 records out
512000000 bytes
