Messages in this thread |  | | | Date | Tue, 02 Jun 2009 22:10:30 -0600 | | From | Robert Hancock <> | | Subject | Re: Seagate Barracuda 7200.11 ST31500341AS fw SD17 |
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Markus wrote: > Hello! > > I have some Seagate Barracuda 7200.11 ST31500341AS 1.5TB drives. They > use the firmware SD17. > They time out at the flush write cache and sometimes on the identify > command. > I know that sounds suspicious so I wrote to seagate but they told me my > drives are ok. (Although I dont think so.) > > This drive+fw is blacklisted in the kernel, but there is no firmware > upgrade for these drives. (Only very few serial numbers are able to > upgrade.) > > Now I want to know after what period of the time the kernel timeouts at > these commands!? And if this timeout can be increased (manually, small > patch for the kernel) and the min/max/avg time could somehow be > messured. Every timeout kicks the drives off the raid, so I disabled > the write cache (hdparm -W0 /dev/sdx) but thats no solution, just a bad > workaround.
I believe the timeout for commands like these is usually 30 seconds. Normally if it doesn't respond after that length of time, it never will. Even if it eventually did, I don't think you'd be happy with disk access delays of over 30 seconds..
> > Its a amd64 system with the 2.6.29.4 on an AM3 board with AMDs 790GX + > SB750 Chipsets running in ahci mode. > > Thanks for your time and support! > > Markus > > PS: Please CC me!
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