Re: [PATCH 003 of 5] md: Change ENOTSUPP to EOPNOTSUPP

Molle Bestefich wrote: NeilBrown wrote: Change ENOTSUPP to EOPNOTSUPP Because that is what you get if a BIO_RW_BARRIER isn't supported ! Dumb question, hope someone can answer it :). Does this mean that any version of MD up till now won't know that SATA disks does not support barriers, a

RAID-related: SATA disk removal?

I am testing a machine with two SATA drives in startech.com removable caddies. Everything including swap is RAID1. (I'm running x86_64 Scientific Linux 4.2, a RedHat enterprise clone.) Informal tests suggest that pulling out an active disk causes the whole machine to hang up but removing a disk fr

Re: [PATCH 003 of 5] md: Change ENOTSUPP to EOPNOTSUPP

NeilBrown wrote: Change ENOTSUPP to EOPNOTSUPP Because that is what you get if a BIO_RW_BARRIER isn't supported ! Dumb question, hope someone can answer it :). Does this mean that any version of MD up till now won't know that SATA disks does not support barriers, and therefore won't flush SATA