28%
30.11.2025
:sda]RKBytes [DSK:sda]Writes
21 [DSK:sda]WMerge [DSK:sda]WKBytes [DSK:sda]Request [DSK:sda]QueLen \[DSK:sda]Wait [DSK:sda]SvcTim [DSK:sda]Util
22 20120310 13:39:10 sdb 0 0 0 2 4 24 12 0 12 2 0 sda 0 0 0 0 0 0 0 0 0 0
28%
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
28%
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
28%
28.11.2021
Compiler: Apple LLVM 12.0.5 (clang-1205.0.22.9) GCC 4.2.1 CLANG 12.0
Darwin : 20.4.0 : Darwin Kernel Version 20.4.0:
PageSize:16KB
Apple M1 8C8T
RAM size: 16384 MB, # CPU hardware threads: 8
RAM usage
28%
19.11.2019
, BW=1410KiB/s (1444kB/s)(82.8MiB/60119msec)
[ ... ]
Run status group 0 (all jobs):
WRITE: bw=1410KiB/s (1444kB/s), 1410KiB/s-1410KiB/s (1444kB/s-1444kB/s), io=82.8MiB (86.8MB), run=60119-60119msec
I
28%
30.01.2020
=1): err= 0: pid=1634: Mon Oct 14 22:18:59 2019
write: IOPS=118k, BW=463MiB/s (485MB/s)(10.0GiB/22123msec); 0 zone resets
[ ... ]
Run status group 0 (all jobs):
WRITE: bw=463MiB/s (485MB/s), 463Mi
28%
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
28%
30.11.2025
62
787
10MB < < 100MB
0
0
0
0
0
0
0
2
Table 4 from the MPI strace Analyzer report; all-zero rows for sizes >100MB
28%
18.07.2013
: XXXXXXXXXXXXXXXXXX
6 Firmware Revision: 2CV102HD
7 Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6
8 Standards:
9 Used: ATA/ATAPI-7 T13 1532
28%
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