On old Barracudas it appear to me to actually work right. I think they removed it on those drives in the new 1.5tb disks, older 1.5tb disks had it, newer 1.5tb disks did not. On Wed, Dec 19, 2018 at 6:45 AM Alexis BRENON <brenon.alexis@xxxxxxxxx> wrote: > > Le mer. 19 déc. 2018 à 11:25, Wols Lists <antlists@xxxxxxxxxxxxxxx> a écrit : > > > > On 19/12/18 08:13, Alexis BRENON wrote: > > >> OMG - I was just looking for your version of mdadm, and I noticed - > > >> > Seagate Baracudas! Can you let us know (a) what version of mdadm, and > > >> > (b) have you fixed the timeout problem! If you haven't done (b) then > > >> > that's probably your problem! > > >> > > > > I do not have access to my computer right now but if I remember well, > > > my system is a Debian stretch and I upgraded it recently. So mdadm > > > should be in version 3.4-4. I will confirm that as soon as possible. > > > > Okay. So do as the wiki says and upgrade. 3.4 has a bunch of known bugs, > > although they're probably not responsible this. > > Okay, I will compile v4.1 this evening. No particular risk of > incompatibilities with other packages on my debian stretch ? > > > > > > > I "fixed" the timeout problem yesterday, while reading the wiki saying > > > "If you didn't fix timeout, do it right now!" ^^ My 3 SG Baracudas > > > reported a disabled SCT Error Recovery, and my WesternDigital reports > > > an unsupported command. > > > > > I used the script provided in the wiki to set the timeout to 7s on the > > > Baracudas and to 180ms for my WD but the latter is not preserve > > > accross reboot as reported in smartctl sum-up (see below). > > > > > Okay, the Barracudas don't support ERC - I think you can't enable it, so > > setting it 7s probably did nothing. Set the kernel timeout to 180 for > > the Barracudas also. > > > > Setting to 7s return 0 as output code and smartctl now reports > SCT Error Recovery Control: > Read: 70 (7,0 seconds) > Write: 70 (7,0 seconds) > for all my Barracudas drives. Is smartctl kidding me ? > > > Cheers, > > Wol > > Kind, > Alexis