Re: mpt2sas logged messages

[Ric Wheeler <rwheeler@redhat.com>]

On 08/18/2009 09:18 AM, Ric Wheeler wrote:
>
> We have a new toy to test very large & slow storage with built up from 
> 5 SAS expansion shelves (Promise Vtrak J-Class) with 60 S-ATA drives 
> and 16 SAS drives (the S-ATA drives each have a Promise Vtrak S-ATA 
> MUX adapter daughter card in the disk sled).
>
> The basic idea is to build a cheap & slow test bed for file & storage 
> system scalability. Collectively, we have about 120TB (raw) of 
> capacity to play with in one server.
>
> As we work through various issues, a couple of oddities popped out.
>
> The first is that udev grumbles during boot about "file name too long" 
> like the following:
>
> Aug 17 06:49:58 megadeth udevd-event[20447]: unable to create db file 
> '/dev/.udev/db/\x2fdevices\x2fpci0000:00\x2f0000:00:04.0\x2f0000:17:00.0\x2f0000:18:0a.0\x2f0000:1f:00.0\x2fhost11\x2fport-11:0\x2fexpander-11:0\x2fport-11:0:0\x2fexpander-11:1\x2fport-11:1:0\x2fexpander-11:2\x2fport-11:2:17\x2fexpander-11:3\x2fport-11:3:1\x2fend_device-11:3:1\x2fbsg\x2fend_device-11:3:1': 
> File name too long
>
> The second is that the mpt2sas driver spews various messages like:
>
> Aug 17 06:55:17 megadeth kernel: mpt2sas0: log_info(0x31120102): 
> originator(PL), code(0x12), sub_code(0x0102)
>
> Any insight into whether these are issues worth pursuing is 
> appreciated, thanks!
>
> Ric
>
>

I left out the interesting part - this was an F11 system with a 
2.6.31-rc6 kernel. I am updating the box to F12 rawhide to make sure 
that udev and related components are updated and will retest,

Ric