If it is the marvell issue I had before then quit doing smartctl commands (disable all smart queries of any sort) as that seemed to massively increase the reliablity. It did not completely fix the issues, it just made them happen a lot less often. good luck, I finally just gave up and quit using marvell controllers. On Thu, Sep 21, 2017 at 7:20 AM, Roman Mamedov <rm@xxxxxxxxxxx> wrote: > On Thu, 21 Sep 2017 21:12:36 +1000 > Eyal Lebedinsky <eyal@xxxxxxxxxxxxxx> wrote: > >> It looks like the controller failed as all 7 disks disappeared together and did not respond >> to any i/o or even smart. >> >> After power off/on things look OK. The raid6 did a very short recovery, then the ext4 fs did >> a quick recovery. fsck found no problems. >> >> I later started a raid 'check' but it failed in less that an hour (out of 10) in the same way. >> A day later I tried again and it failed within 15 minutes. >> >> So far it looks like nothing was lost but I am uncomfortable with this situation. >> No surprise here... >> >> The controller did not log any errors. >> >> Does this look familiar to anyone? > > The controller is based on the Marvell 9485 chip and Marvell SATA/RAID > controllers seem to have a bad reputation for reliability: > > https://www.jethrocarr.com/2013/11/24/adventures-in-io-hell/ > https://www.youtube.com/watch?v=010urq9wY3A > > I have also faced some CRC errors or disk drop-outs/reconnects on 9123 cards, > and in one case all disks (or possibly the controller itself) disappear from > the system until reboot on a 88SX7042 based controller. > > -- > With respect, > Roman > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
