On Tue, Aug 18, 2009 at 18:40, Greg KH<greg@xxxxxxxxx> wrote: > On Tue, Aug 18, 2009 at 11:53:32AM -0400, Ric Wheeler wrote: >> On 08/18/2009 10:57 AM, Greg KH wrote: >> > On Tue, Aug 18, 2009 at 09:59:56AM -0400, Ric Wheeler wrote: >> > >> >> On 08/18/2009 09:25 AM, Greg KH wrote: >> >> >> >>> On Tue, Aug 18, 2009 at 09:18:30AM -0400, 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 > > Ok, it looks like the way that udev handles it's internal "database" > can't handle paths that are larger than a single filename size. > > Kay, I think this is all yours :) Yeah, seems so. Linux can not have filenames longer than 256. We'll need to change the way we store the DEVPATH in a filename. I'll look into it. Thanks, Kay -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
