schweik

Asked: 2018-10-19 01:02:36 +0800 CST2018-10-19 01:02:36 +0800 CST 2018-10-19 01:02:36 +0800 CST

How to force raid1 mirror to stripe on read

I use RAID1 - mirror long time. I have beleaved yet, that RAID1 does stripping on read operation for improve the speed.

While migrating form 160GB disk to 3TB mirror, I started the file copy, watching the real speed on mirrored volume as on mirror members. I'm disappointed that all the read concerns the /dev/sdb only while the other member is sleeping. Do somebody know how to force the stripe-read operations on RAID1?

OS Debian Linux 9 Stretch, mdadm, ext3/4

How to force raid1 mirror to stripe on read

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How to force raid1 mirror to stripe on read

0 Answers