[OpenIndiana-discuss] zpool and HDD problems

[Rainer Heilke]

I had been having problems with the server. Techs finally found that the
CMOS battery died. (A good reason to check Gary's suggestion.)

Rainer

On 04/10/2015 7:42 PM, Jason Matthews wrote:
>
>
> Gary is right to suspect other issue.
>
> Is your cmos clock reporting the correct time? A battery failure
> could cause the loss of your disk controller setting which might lead
> you to believe your disks failed.
>
> J.
>
> Sent from my iPhone
>
>> On Oct 4, 2015, at 3:27 PM, Rainer Heilke
>> <rheilke at dragonhearth.com> wrote:
>>
>> Greetings. I've recently had three hard drives fail in my server.
>> One was the OS disk, so I just reinstalled. The other two, however,
>> were each one-half of zpool mirrors. They are the problem disks.
>>
>> Both have been replaced, but now I cannot seem to work with them.
>> In format -e, they are giving errors, specifically: 1. c3d1 <drive
>> type unknown> /pci at 0,0/pci-ide at 11/ide at 0/cmdk at 1,0 and, 7. c7d1
>> <drive type unknown> /pci at 0,0/pci-ide at 14,1/ide at 0/cmdk at 1,0
>>
>> There is also a third disk erroring out: 3. c5t9d1 <SS330055-
>> 99JJXXK-0001 cyl 60797 alt 2 hd 255 sec 63>
>> /pci at 0,0/pci1002,5a17 at 3/pci1000,9240 at 0/sd at 9,1
>>
>> I am suspecting c3d1 to be an old OS mirror, due to the low
>> controller number.
>>
>> When I select 1 or 7, I get a Segmentation fault, and get booted
>> out of the format utility. (If I select 3, the format utility never
>> comes back, freezing.) A zpool status shows:
>>
>> pool: Pool1 state: ONLINE status: Some supported features are not
>> enabled on the pool. The pool can still be used, but some features
>> are unavailable. action: Enable all features using 'zpool upgrade'.
>> Once this is done, the pool may no longer be accessible by software
>> that does not support the features. See zpool-features(5) for
>> details. scan: resilvered 2.78M in 0h0m with 0 errors on Tue Sep 16
>> 14:11:00 2014 config:
>>
>> NAME        STATE     READ WRITE CKSUM Pool1       ONLINE       0
>> 0     0 c5t8d1    ONLINE       0     0     0
>>
>> errors: No known data errors
>>
>> pool: data state: DEGRADED status: One or more devices has
>> experienced an error resulting in data corruption.  Applications
>> may be affected. action: Restore the file in question if possible.
>> Otherwise restore the entire pool from backup. see:
>> http://illumos.org/msg/ZFS-8000-8A scan: resilvered 36.1M in 0h17m
>> with 738 errors on Thu Oct  1 18:17:43 2015 config:
>>
>> NAME                     STATE     READ WRITE CKSUM data
>> DEGRADED 20.6K     0     0 mirror-0               DEGRADED 81.8K
>> 0     0 7152018192933189428  FAULTED      0     0     0  was
>> /dev/dsk/c11t8d1s0 c6d0                 ONLINE       0     0 81.8K
>>
>> errors: 737 data errors, use '-v' for a list
>>
>> (Doing a zpool status -v freezes the terminal.)
>>
>> The system has three disks connected to an LSI MegaRAID SAS 9240-8i
>> controller.
>>
>> I am suspecting that disk 3 (c5t9d1) might be the detached mirror
>> of Pool1 ( c5t8d1), but being unable to work with it, I cannot
>> verify this. I have no idea on how to deal with the data mirror.
>> Should I just detach /dev/dsk/c11t8d1s0 ( 7152018192933189428) and
>> hope that c6d0 will be clean enough for a decent scrub? Or is
>> /dev/dsk/c11t8d1s0 ( 7152018192933189428) the disk with the less
>> corrupted data? Not being able to even get a listing (ls) of the
>> data pool leaves me very hesitant.
>>
>> Does anyone have any ideas on how to clean this up?
>>
>> Thanks in advance, Rainer
>>
>> -- Put your makeup on and fix your hair up pretty, And meet me
>> tonight in Atlantic  City Bruce Springsteen
>>
>>
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>
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-- 
Put your makeup on and fix your hair up pretty,
And meet me tonight in Atlantic  City
			Bruce Springsteen