Huawei
H13-629_V3.0 · Question #31
A company's business runs on a Linux system (with a Linux 2.6 kernel) and is connected to storage via ISCSI. Engineers tested and found that the read and write bandwidth of the host accessing the…
The correct answer is A. Change the Linux block device queue depth C. Change the amount of pre-reading in Linux D. Change the Linux block device 10 scheduling policy. See the full explanation below for the reasoning.
Storage O&M and Troubleshooting
Question
A company's business runs on a Linux system (with a Linux 2.6 kernel) and is connected to storage via ISCSI. Engineers tested and found that the read and write bandwidth of the host accessing the storage is very low, causing application stalls and read and write errors. Which of the following actions would help resolve the issue in this scenario? (Multiple choice)
Options
- AChange the Linux block device queue depth
- BChange the CPU operation mode of Linux to downclocking
- CChange the amount of pre-reading in Linux
- DChange the Linux block device 10 scheduling policy
How the community answered
(50 responses)- A84% (42)
- B16% (8)
Topics
#Linux iSCSI performance#block device queue depth#IO scheduling policy#read-ahead tuning
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