Re: port-i386/43252: SiI 3512A SATA disks unreliable if used for software raid

[Rainer Glaschick <rg%g-pb.de@localhost>]

The following reply was made to PR port-i386/43252; it has been noted by GNATS.

From: Rainer Glaschick <rg%g-pb.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-i386/43252: SiI 3512A SATA disks unreliable if used for
 software raid
Date: Sat, 8 May 2010 09:57:16 +0200 (CEST)

 Testing 5.1 RC1 installation with smaller RAID size (150GB), but same 
 controller, results in the same kind of failure:
    exec /sbin/init: error 20
 
 
 
 On Fri, 7 May 2010, Rainer Glaschick wrote:
 
 > The following reply was made to PR port-i386/43252; it has been noted by 
 > GNATS.
 >
 > From: Rainer Glaschick <rg%g-pb.de@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc:
 > Subject: Re: port-i386/43252: SiI 3512A SATA disks unreliable if used for
 > software raid
 > Date: Fri, 7 May 2010 20:35:55 +0200 (CEST)
 >
 > I have tried the same procedure with 5.02, which fails to install at
 > all, as sysinst clears the disklabel during installation and
 > consequently cannot make the file system; in detail:
 >
 > I created a RAID1 on wd0a and wd1a, with identical disklabels, partition a
 > starting on offset 63, size 2927634192 sectors, i.e. 1.5 TByte each.
 > There is also a "b" swap partion of 1.3 GB (2642913 sectors) starting
 > behind the "a" partition.
 >
 > With raidctl, I initialized the raid0 device successfully (12hrs), then,
 > to be sure, created a disklabel for the whole disk (2927634048 sectors),
 > and called 'newfs /dev/raid0a', which took about 6hrs and succeded.
 >
 > Then I went back into sysinstall, selected raid0, reuse existing sizes.
 > sysinstall reported a nice disklabel, 1429507 MB in partitions raid0a,
 > raid0c, raid0d, with FFSv1 in raid0a.
 > Did not change anything, just acknowledged.
 > Last chance yes, and sysinstall reports:
 >
 > Status: Command failed
 > Command: /sbin/newfs -V2 -O 1 -b 16384 -f 2048 /dev/rraid0a
 > newfs: /dev/rraid0a partition is unavailable
 >
 > This is true, as disklabel now reports an empty disklabel.
 > Can be repeated by deleting the disklabel, creating a new one,
 > and going to sysinit again.
 >
 > When I say I want to set the sizes, the screen reads like this:
 >
 >     MB        Cylinders    Sectors     Filesystem
 >   210(4294299653        420    430080 + /
 >     0                     0          0     swap (and tmp, /usr, /var, /home)
 >   Add user defined partition
 >   Change input units
 >   Reduce partition sizes by 667853 MB (1367763328 sectors)
 >
 > which looks fairly dubious for me.
 > As I could continue, I changed the size in the first line to 1429500MB, and 
 > get:
 >
 >     MB         Cylinders   Sectors   Filesystem
 >   4294299645      42936319932927617024   /
 > ...
 >   Accept partition sizes. Free space 8 MB, 13 free partitions.
 >
 > Same display (now 1429499 MB size), and if I go on,
 > the disklabel is empty again.
 >
 > Thus, I cannot install FreeBSD 5.0.2 on a Raid1 frame with two 1.5 TB SATA
 > disks.
 >
 > Next, I will try again with FreeBSD 5.1 RC1, but with 150GB instead of
 > 1500GB for the RAID.
 >
 >
 >
 >
 >
 >
 >
 >