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rbench [2019-08-26 15:09]
ziggi
rbench [2020-02-15 00:57]
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-=====RAID5 vs RAID10===== 
- 
-====RAID5==== 
- 
-Write, read-write, read  
- 
-<​file>​ 
-# dd if=/​dev/​zero of=/mnt/AAA bs=128k count=1000000 status=progress 
-  130946695168 bytes (131 GB, 122 GiB) transferred 267.028s, 490 MB/s 
-1000000+0 records in 
-1000000+0 records out 
-131072000000 bytes transferred in 267.276048 secs (490399349 bytes/sec) 
- 
-# dd if=/mnt/AAA of=/​mnt/​AAA2 bs=128k ​ status=progress 
-^C33032896512 bytes (33 GB, 31 GiB) transferred 224.030s, 147 MB/s 
-252380+0 records in 
-252380+0 records out 
-33079951360 bytes transferred in 224.334439 secs (147458194 bytes/sec) 
- 
-# dd of=/​dev/​zero if=/mnt/AAA bs=128k count=1000000 status=progress 
-  130589523968 bytes (131 GB, 122 GiB) transferred 184.058s, 710 MB/s 
-1000000+0 records in 
-1000000+0 records out 
-131072000000 bytes transferred in 184.938336 secs (708733533 bytes/sec) 
- 
-# gpart show da1 
-=>         ​40 ​ 23438819248 ​ da1  GPT  (11T) 
-           ​40 ​ 23438819248 ​   1  freebsd-ufs ​ (11T) 
- 
-</​file>​ 
- 
-====RAID10==== 
- 
-<​file>​ 
-# dd of=/​dev/​zero if=/mnt/AAA bs=128k count=1000000 status=progress 
-69164335104 bytes (69 GB, 64 GiB) transferred 173.063s, 400 MB/s 
-527956+0 records in 
-527956+0 records out 
-69200248832 bytes transferred in 173.147398 secs (399660923 bytes/sec) 
- 
-# dd if=/mnt/AAA of=/​mnt/​AAA2 bs=128k ​ status=progress 
-15308029952 bytes (15 GB, 14 GiB) transferred 199.014s, 77 MB/s 
-116962+0 records in 
-116962+0 records out 
-15330443264 bytes transferred in 199.327982 secs (76910643 bytes/sec) 
- 
-# dd of=/​dev/​zero if=/mnt/AAA bs=128k count=1000000 status=progress 
-81759043584 bytes (82 GB, 76 GiB) transferred 169.005s, 484 MB/s 
-626718+0 records in 
-626718+0 records out 
-82145181696 bytes transferred in 169.969621 secs (483293314 bytes/sec) 
-</​file>​ 
- 
-=== result === 
- 
-^ type ^ write ^ read-write ^ read ^ 
-| raid5 | 490 | 147 | 710 | 
-| raid10 | 400 | 77 | 484 | 
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