Re: GEOM_RAID in GENERIC is harmful

2012-09-13 Thread Alexander Motin
On 13.09.2012 08:31, Eugene Grosbein wrote: 9-STABLE has got options GEOM_RAID in GENERIC. In real world, this change is pretty harmful and there are lots of cases when 9.0-RELEASE systems upgraded to 9-STABLE fail to mount root UFS filesystem or attach ZFS. It seems, there are lots of HDDs

Re: GEOM_RAID in GENERIC is harmful

2012-09-13 Thread Eugene Grosbein
13.09.2012 16:51, Alexander Motin wrote: That's makes users very angry when production server fails to boot with GENERIC kernel after correctly performed upgrade. GEOM_RAID compiled in GENERIC should be deactivated and require activation with some loader knob. Also, we need distinct RELEASE

Re: GEOM_RAID in GENERIC is harmful

2012-09-13 Thread Eugene M. Zheganin
Hi. On 13.09.2012 15:51, Alexander Motin wrote: Problem of on-disk metadata garbage is not limited to GEOM_RAID. For example, I had case where remainders of old UFS file system were found by GEOM_LABEL and ZFS incorrectly attached to it instead of proper GPT partition, making other

Re: GEOM_RAID in GENERIC is harmful

2012-09-13 Thread Alexander Motin
On 13.09.2012 13:01, Eugene Grosbein wrote: 13.09.2012 16:51, Alexander Motin wrote: That's makes users very angry when production server fails to boot with GENERIC kernel after correctly performed upgrade. GEOM_RAID compiled in GENERIC should be deactivated and require activation with some

Re: GEOM_RAID in GENERIC is harmful

2012-09-13 Thread John Baldwin
On Thursday, September 13, 2012 6:13:51 am Eugene M. Zheganin wrote: From my point of view GEOM_RAID in GENERIC kernel is a bomb, and we will lose lots of FreeBSD beginners due to this. I had the completely opposite experience. I bought a new desktop and wanted to use the onboard SATA RAID.

GEOM_RAID in GENERIC is harmful

2012-09-12 Thread Eugene Grosbein
Hi! 9-STABLE has got options GEOM_RAID in GENERIC. In real world, this change is pretty harmful and there are lots of cases when 9.0-RELEASE systems upgraded to 9-STABLE fail to mount root UFS filesystem or attach ZFS. It seems, there are lots of HDDs supplied with pseudo-RAID labels at the end: