Date: Sun, 20 Apr 2008 09:51:00 -0600 From: Scott Long <scottl@samsco.org> To: Dmitry Morozovsky <marck@rinet.ru> Cc: "Andrey V. Elsukov" <bu7cher@yandex.ru>, emaste@freebsd.org, current@freebsd.org, sos@freebsd.org Subject: Re: Adaptec 1420SA support? Message-ID: <480B6664.9040602@samsco.org> In-Reply-To: <20080420194331.Y56317@woozle.rinet.ru> References: 9060000000212025383 <1415691208445504@webmail12.yandex.ru> <48077B1C.5070608@samsco.org> <20080420185448.X56317@woozle.rinet.ru> <480B5DA0.6030404@samsco.org> <20080420192735.G56317@woozle.rinet.ru> <20080420193212.Y56317@woozle.rinet.ru> <20080420194331.Y56317@woozle.rinet.ru>
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Dmitry Morozovsky wrote:
> On Sun, 20 Apr 2008, Dmitry Morozovsky wrote:
>
> DM> ar0: 76165MB <DDF RAID1> status: READY
> DM> ar0: 155985920 sectors [9709C/255H/63S] <Mole> subdisks defined as:
> DM> ar0: disk0 READY (master) using ad16 at ata8-master
> DM> ar0: disk1 READY (mirror) using ad18 at ata9-master
> DM>
> DM>
> DM> --------------------------------------------------------
> DM>
> DM> I'll do some basic checks and follow up with results.
> DM>
> DM> Thank you very much!
>
> Hmm, not too much exciting results yet:
>
> # fdisk -s ar0
> fdisk: invalid fdisk partition table found
> fdisk: read_s0: No such file or directory
> # bsdlabel -Bw ar0 auto
> # set -E
> Cannot read termcap database;
> using dumb terminal settings.
> # fdisk -s ar0
> /dev/ar0: 9709 cyl 255 hd 63 sec
> Part Start Size Type Flags
> 4: 0 50000 0xa5 0x80
> # bsdlabel -R /dev/stdin ar0
> bsdlabel: fopen ar0: No such file or directory
> # bsdlabel -R ar0 /dev/stdin
> a: 256M 16 4.2BSD 0 0
> b: 4G * swap 0 0
> d: 4G * 4.2BSD 0.0
> e: 8G * 4.2BSD 0 0
> # bsdlabel ar0
> # /dev/ar0:
> 8 partitions:
> # size offset fstype [fsize bsize bps/cpg]
> a: 524288 16 4.2BSD 0 0 0
> b: 8388608 524304 swap
> c: 155985920 0 unused 0 0 # "raw" part, don't
> edit
> d: 8388608 8912912 4.2BSD 0 0 0
> e: 16777216 17301520 4.2BSD 0 0 0
> # newfs /dev/ar0a
> /dev/ar0a: 256.0MB (524288 sectors) block size 16384, fragment size 2048
> using 4 cylinder groups of 64.02MB, 4097 blks, 8256 inodes.
> super-block backaups (for fsck -bt #) at:
> a9: FAILURE - oversized DMA transfer attempt 65536 > 64512
> ad18: setting up DMA failed
> ar0: WARNING - mirror protection lost. RAID1 array in DEGRADED mode
> aar0: writing of DDF metadata is NOT supported yet
> ta8: FAILURE - oversized DMA transfer attempt 65536 > 64512
> ad16: setting up DMA failed
> ar0: FAILURE - RAID1 array broken
> ar0: writing of DDF metadata is NOT supported yet
> newfs: wtfs: 65536 bytes at sector 160: Input/output error
> #
>
> Any further hints?
>
This is just yet another item in the long list of problems with the ata
driver. As a workaround, try the following patch:
--- ata-raid.c
+++ ata-raid.c
@@ -146,7 +146,7 @@
rdp->disk->d_mediasize = (off_t)rdp->total_sectors * DEV_BSIZE;
rdp->disk->d_fwsectors = rdp->sectors;
rdp->disk->d_fwheads = rdp->heads;
- rdp->disk->d_maxsize = 128 * DEV_BSIZE;
+ rdp->disk->d_maxsize = 32768;
rdp->disk->d_drv1 = rdp;
rdp->disk->d_unit = rdp->lun;
/* we support flushing cache if all components support it */
Scott
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