Date: Wed, 30 Jan 2013 23:51:45 +0200 From: "Vladislav Prodan" <universite@ukr.net> To: "Beeblebrox" <zaphod@berentweb.com> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re[2]: Re[2]: AHCI timeout when using ZFS + AIO + NCQ Message-ID: <87448.1359582705.624376220320202752@ffe17.ukr.net> In-Reply-To: <1359317924363-5781425.post@n5.nabble.com> References: <70362.1359299605.3196836531757973504@ffe11.ukr.net> <16B555759C2041ED8185DF478193A59D@multiplay.co.uk> <917933DB5C9A490D93A739058C2507A1@multiplay.co.uk> <93308.1359297551.14145052969567453184@ffe15.ukr.net> <13391.1359029978.3957795939058384896@ffe16.ukr.net> <70578.1359313319.18126575192049975296@ffe16.ukr.net> <221B307551154F489452F89E304CA5F7@multiplay.co.uk> <1359317924363-5781425.post@n5.nabble.com>
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> I once ran into a very severe AHCI timeout problem. After months of trying to
> figure it out and insane "Hardware_ECC_Recovered" error values, I found that
> the error was with the power connector plug / sata HDD interface. All errors
> disappeared after replacing that cable. Since you have error on more than 1
> HDD, I suggest:
> 1. Check smartctl output for each AND all HDD
> 2. Check whether your power supply unit is still healthy or if it is
> supplying inconsistent power.
> 3. Check the main power supply line and whether it shows any voltage
> fluctuations or if there is a new heavy consumer of amps on the same power
> line as the server is plugged to.
>
>
I've deliberately chose a different server that has a different chipset, and that there were no problems with the HDD.
Added kernel support:
device ahci # AHCI-compatible SATA controllers
And now, after 2.5 days fell off one HDD.
[3:14]beastie:root->/root# zpool status
pool: tank
state: DEGRADED
status: One or more devices has been removed by the administrator.
Sufficient replicas exist for the pool to continue functioning in a
degraded state.
action: Online the device using 'zpool online' or replace the device with
'zpool replace'.
scan: none requested
config:
NAME STATE READ WRITE CKSUM
tank DEGRADED 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk0 ONLINE 0 0 0
gpt/disk2 ONLINE 0 0 0
mirror-1 DEGRADED 0 0 0
gpt/disk1 ONLINE 0 0 0
4931885954389536913 REMOVED 0 0 0 was /dev/gpt/disk3
errors: No known data errors
Jan 30 09:49:28 beastie kernel: ahcich3: Timeout on slot 29 port 0
Jan 30 09:49:28 beastie kernel: ahcich3: is 00000000 cs 20000000 ss 00000000 rs 20000000 tfd c0 serr 00000000 cmd 0004dd17
Jan 30 09:49:28 beastie kernel: (ada3:ahcich3:0:0:0): FLUSHCACHE48. ACB: ea 00 00 00 00 40 00 00 00 00 00 00
Jan 30 09:49:28 beastie kernel: (ada3:ahcich3:0:0:0): CAM status: Command timeout
Jan 30 09:49:28 beastie kernel: (ada3:ahcich3:0:0:0): Retrying command
Jan 30 09:51:31 beastie kernel: ahcich3: AHCI reset: device not ready after 31000ms (tfd = 00000080)
Jan 30 09:51:31 beastie kernel: ahcich3: Timeout on slot 29 port 0
Jan 30 09:51:31 beastie kernel: ahcich3: is 00000000 cs 20000000 ss 00000000 rs 20000000 tfd 80 serr 00000000 cmd 0004dd17
Jan 30 09:51:31 beastie kernel: (aprobe0:ahcich3:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00
Jan 30 09:51:31 beastie kernel: (aprobe0:ahcich3:0:0:0): CAM status: Command timeout
Jan 30 09:51:31 beastie kernel: (aprobe0:ahcich3:0:0:0): Error 5, Retry was blocked
Jan 30 09:51:31 beastie kernel: ahcich3: AHCI reset: device not ready after 31000ms (tfd = 00000080)
Jan 30 09:51:31 beastie kernel: ahcich3: Timeout on slot 29 port 0
Jan 30 09:51:31 beastie kernel: ahcich3: is 00000000 cs 00000000 ss 00000000 rs 20000000 tfd 58 serr 00000000 cmd 0004dd17
Jan 30 09:51:31 beastie kernel: (aprobe0:ahcich3:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00
Jan 30 09:51:31 beastie kernel: (aprobe0:ahcich3:0:0:0): CAM status: Command timeout
Jan 30 09:51:31 beastie kernel: (aprobe0:ahcich3:0:0:0): Error 5, Retry was blocked
Jan 30 09:51:31 beastie kernel: (ada3:ahcich3:0:0:0): lost device
Jan 30 09:51:31 beastie kernel: (pass3:ahcich3:0:0:0): passdevgonecb: devfs entry is gone
--
Vladislav V. Prodan
System & Network Administrator
http://support.od.ua
+380 67 4584408, +380 99 4060508
VVP88-RIPE
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