Re: [CentOS] Hot swap SATA?

2007-08-23 Thread Alfred von Campe
On Aug 23, 2007, at 9:08, Lamar Owen wrote: Many motherboards that have more than two SATA connectors put two on the SouthBridge's IDE-type controller, and the others on 'something else'. Usually, the 'something else' shows as a SCSI controller in Linux. How many SATA connectors are

Re: [CentOS] Hot swap SATA?

2007-08-23 Thread Alfred von Campe
Ok, run a 'lspci' and see if it lists two controllers. Yup, it does: # lspci | fgrep IDE 00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE Controller (rev 02) 00:1f.5 IDE interface: Intel Corporation 82801H (ICH8 Family) 2 port SATA IDE Controller (rev 02)

Re: [CentOS] Hot swap SATA?

2007-08-22 Thread Alfred von Campe
/dev/hda is being controlled by a controller that mimics an IDE drive and is being accessed through the kernel's ide layer. /dev/ sda is being controlled by a libata-supported controller and is being accessed through the kernel's scsi stack with libata. As far as I know, all drives (2 hard

Re: [CentOS] Hot swap SATA?

2007-08-21 Thread Les Mikesell
Jim Perrin wrote: Should it be possible to hot-swap SATA drives with Centos5? It doesn't seem to work on my system. Removing an unmounted drive locked the system up, and leaving one out at bootup makes the devices change names and keeps grub from finding /boot on a scsi drive that is shifted

Re: [CentOS] Hot swap SATA?

2007-08-21 Thread Feizhou
Les Mikesell wrote: Jim Perrin wrote: Should it be possible to hot-swap SATA drives with Centos5? It doesn't seem to work on my system. Removing an unmounted drive locked the system up, and leaving one out at bootup makes the devices change names and keeps grub from finding /boot on a scsi

Re: [CentOS] Hot swap SATA?

2007-08-21 Thread Gordon McLellan
Just to add my 5 cents (centos 5 cents that is har har)... I have several plain jane seagate sata drives, connected mostly to nforce4 sata (module sata_nv) controller, and a few connected to a silicon image controller (sata_sil) ... hot swap is a non issue for me. All my drives are part of MD

Re: [CentOS] Hot swap SATA?

2007-08-21 Thread Lamar Owen
On Tuesday 21 August 2007, Feizhou wrote: Les Mikesell wrote: Jim Perrin wrote: Should it be possible to hot-swap SATA drives with Centos5? Depends on the SATA controller, but yes. If the controller allows, you can hotswap sata drives. How are the names supposed to work when one may

Re: [CentOS] Hot swap SATA?

2007-08-21 Thread Feizhou
Lamar Owen wrote: On Tuesday 21 August 2007, Feizhou wrote: Les Mikesell wrote: Jim Perrin wrote: Should it be possible to hot-swap SATA drives with Centos5? Depends on the SATA controller, but yes. If the controller allows, you can hotswap sata drives. How are the names supposed to